mirror of
https://github.com/mpv-player/mpv
synced 2024-12-27 01:22:30 +00:00
97ac824124
Conflicts:
bstr.c
bstr.h
libvo/cocoa_common.m
libvo/gl_common.c
libvo/video_out.c
mplayer.c
screenshot.c
sub/subassconvert.c
Merge of cocoa_common.m done by pigoz.
Picking my version of screenshot.c. The fix in commit aadf1002f8 will
be redone in a follow-up commit, as the original commit causes too many
conflicts with the work done locally in this branch, and other work in
progress.
2525 lines
84 KiB
C
2525 lines
84 KiB
C
/*
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* common OpenGL routines
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*
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* copyleft (C) 2005-2010 Reimar Döffinger <Reimar.Doeffinger@gmx.de>
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* Special thanks go to the xine team and Matthias Hopf, whose video_out_opengl.c
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* gave me lots of good ideas.
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*
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* This file is part of MPlayer.
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*
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* MPlayer is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* MPlayer is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with MPlayer; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* You can alternatively redistribute this file and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*/
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/**
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* \file gl_common.c
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* \brief OpenGL helper functions used by vo_gl.c and vo_gl2.c
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*/
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#include <stddef.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include <ctype.h>
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#include <stdbool.h>
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#include <math.h>
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#include "talloc.h"
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#include "gl_common.h"
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#include "old_vo_wrapper.h"
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#include "csputils.h"
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#include "aspect.h"
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#include "pnm_loader.h"
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#include "options.h"
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//! \defgroup glgeneral OpenGL general helper functions
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// GLU has this as gluErrorString (we don't use GLU, as it is legacy-OpenGL)
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static const char *gl_error_to_string(GLenum error)
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{
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switch (error) {
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case GL_INVALID_ENUM: return "INVALID_ENUM";
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case GL_INVALID_VALUE: return "INVALID_VALUE";
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case GL_INVALID_OPERATION: return "INVALID_OPERATION";
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case GL_INVALID_FRAMEBUFFER_OPERATION:
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return "INVALID_FRAMEBUFFER_OPERATION";
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case GL_OUT_OF_MEMORY: return "OUT_OF_MEMORY";
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default: return "unknown";
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}
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}
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void glCheckError(GL *gl, const char *info)
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{
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for (;;) {
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GLenum error = gl->GetError();
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if (error == GL_NO_ERROR)
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break;
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mp_msg(MSGT_VO, MSGL_ERR, "[gl] %s: OpenGL error %s.\n", info,
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gl_error_to_string(error));
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}
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}
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//! \defgroup glcontext OpenGL context management helper functions
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//! \defgroup gltexture OpenGL texture handling helper functions
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//! \defgroup glconversion OpenGL conversion helper functions
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/**
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* \brief adjusts the GL_UNPACK_ALIGNMENT to fit the stride.
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* \param stride number of bytes per line for which alignment should fit.
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* \ingroup glgeneral
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*/
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void glAdjustAlignment(GL *gl, int stride)
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{
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GLint gl_alignment;
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if (stride % 8 == 0)
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gl_alignment = 8;
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else if (stride % 4 == 0)
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gl_alignment = 4;
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else if (stride % 2 == 0)
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gl_alignment = 2;
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else
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gl_alignment = 1;
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gl->PixelStorei(GL_UNPACK_ALIGNMENT, gl_alignment);
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gl->PixelStorei(GL_PACK_ALIGNMENT, gl_alignment);
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}
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//! always return this format as internal texture format in glFindFormat
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#define TEXTUREFORMAT_ALWAYS GL_RGB8
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#undef TEXTUREFORMAT_ALWAYS
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/**
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* \brief find the OpenGL settings coresponding to format.
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*
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* All parameters may be NULL.
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* \param fmt MPlayer format to analyze.
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* \param bpp [OUT] bits per pixel of that format.
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* \param gl_texfmt [OUT] internal texture format that fits the
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* image format, not necessarily the best for performance.
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* \param gl_format [OUT] OpenGL format for this image format.
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* \param gl_type [OUT] OpenGL type for this image format.
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* \return 1 if format is supported by OpenGL, 0 if not.
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* \ingroup gltexture
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*/
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int glFindFormat(uint32_t fmt, int have_texture_rg, int *bpp, GLint *gl_texfmt,
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GLenum *gl_format, GLenum *gl_type)
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{
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int supported = 1;
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int dummy1;
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GLenum dummy2;
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GLint dummy3;
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if (!bpp)
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bpp = &dummy1;
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if (!gl_texfmt)
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gl_texfmt = &dummy3;
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if (!gl_format)
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gl_format = &dummy2;
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if (!gl_type)
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gl_type = &dummy2;
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if (mp_get_chroma_shift(fmt, NULL, NULL, NULL)) {
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// reduce the possible cases a bit
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if (IMGFMT_IS_YUVP16_LE(fmt))
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fmt = IMGFMT_420P16_LE;
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else if (IMGFMT_IS_YUVP16_BE(fmt))
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fmt = IMGFMT_420P16_BE;
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else
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fmt = IMGFMT_YV12;
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}
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*bpp = IMGFMT_IS_BGR(fmt) ? IMGFMT_BGR_DEPTH(fmt) : IMGFMT_RGB_DEPTH(fmt);
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*gl_texfmt = 3;
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switch (fmt) {
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case IMGFMT_RGB48NE:
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*gl_format = GL_RGB;
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*gl_type = GL_UNSIGNED_SHORT;
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break;
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case IMGFMT_RGB24:
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*gl_format = GL_RGB;
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*gl_type = GL_UNSIGNED_BYTE;
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break;
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case IMGFMT_RGBA:
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*gl_texfmt = 4;
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*gl_format = GL_RGBA;
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*gl_type = GL_UNSIGNED_BYTE;
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break;
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case IMGFMT_420P16:
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supported = 0; // no native YUV support
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*gl_texfmt = have_texture_rg ? GL_R16 : GL_LUMINANCE16;
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*bpp = 16;
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*gl_format = have_texture_rg ? GL_RED : GL_LUMINANCE;
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*gl_type = GL_UNSIGNED_SHORT;
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break;
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case IMGFMT_YV12:
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supported = 0; // no native YV12 support
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case IMGFMT_Y800:
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case IMGFMT_Y8:
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*gl_texfmt = 1;
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*bpp = 8;
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*gl_format = GL_LUMINANCE;
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*gl_type = GL_UNSIGNED_BYTE;
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break;
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case IMGFMT_UYVY:
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// IMGFMT_YUY2 would be more logical for the _REV format,
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// but gives clearly swapped colors.
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case IMGFMT_YVYU:
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*gl_texfmt = GL_YCBCR_MESA;
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*bpp = 16;
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*gl_format = GL_YCBCR_MESA;
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*gl_type = fmt == IMGFMT_UYVY ? GL_UNSIGNED_SHORT_8_8 : GL_UNSIGNED_SHORT_8_8_REV;
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break;
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#if 0
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// we do not support palettized formats, although the format the
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// swscale produces works
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case IMGFMT_RGB8:
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*gl_format = GL_RGB;
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*gl_type = GL_UNSIGNED_BYTE_2_3_3_REV;
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break;
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#endif
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case IMGFMT_RGB15:
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*gl_format = GL_RGBA;
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*gl_type = GL_UNSIGNED_SHORT_1_5_5_5_REV;
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break;
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case IMGFMT_RGB16:
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*gl_format = GL_RGB;
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*gl_type = GL_UNSIGNED_SHORT_5_6_5_REV;
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break;
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#if 0
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case IMGFMT_BGR8:
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// special case as red and blue have a different number of bits.
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// GL_BGR and GL_UNSIGNED_BYTE_3_3_2 isn't supported at least
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// by nVidia drivers, and in addition would give more bits to
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// blue than to red, which isn't wanted
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*gl_format = GL_RGB;
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*gl_type = GL_UNSIGNED_BYTE_3_3_2;
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break;
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#endif
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case IMGFMT_BGR15:
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*gl_format = GL_BGRA;
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*gl_type = GL_UNSIGNED_SHORT_1_5_5_5_REV;
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break;
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case IMGFMT_BGR16:
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*gl_format = GL_RGB;
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*gl_type = GL_UNSIGNED_SHORT_5_6_5;
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break;
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case IMGFMT_BGR24:
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*gl_format = GL_BGR;
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*gl_type = GL_UNSIGNED_BYTE;
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break;
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case IMGFMT_BGRA:
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*gl_texfmt = 4;
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*gl_format = GL_BGRA;
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*gl_type = GL_UNSIGNED_BYTE;
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break;
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default:
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*gl_texfmt = 4;
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*gl_format = GL_RGBA;
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*gl_type = GL_UNSIGNED_BYTE;
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supported = 0;
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}
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#ifdef TEXTUREFORMAT_ALWAYS
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*gl_texfmt = TEXTUREFORMAT_ALWAYS;
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#endif
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return supported;
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}
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#ifdef HAVE_LIBDL
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#include <dlfcn.h>
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#endif
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/**
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* \brief find address of a linked function
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* \param s name of function to find
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* \return address of function or NULL if not found
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*/
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static void *getdladdr(const char *s)
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{
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void *ret = NULL;
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#ifdef HAVE_LIBDL
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void *handle = dlopen(NULL, RTLD_LAZY);
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if (!handle)
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return NULL;
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ret = dlsym(handle, s);
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dlclose(handle);
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#endif
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return ret;
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}
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typedef struct {
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ptrdiff_t offset; // offset to the function pointer in struct GL
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const char *extstr;
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const char *funcnames[7];
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void *fallback;
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bool is_gl3;
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} extfunc_desc_t;
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#define DEF_FUNC_DESC(name) \
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{offsetof(GL, name), NULL, {"gl" # name}, gl ## name}
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#define DEF_EXT_FUNCS(...) __VA_ARGS__
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#define DEF_EXT_DESC(name, ext, funcnames) \
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{offsetof(GL, name), ext, {DEF_EXT_FUNCS funcnames}}
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// These are mostly handled the same, but needed because at least the MESA
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// headers don't define any function prototypes for these.
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#define DEF_GL3_DESC(name) \
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{offsetof(GL, name), NULL, {"gl" # name}, NULL, .is_gl3 = true}
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static const extfunc_desc_t extfuncs[] = {
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// these aren't extension functions but we query them anyway to allow
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// different "backends" with one binary
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DEF_FUNC_DESC(Viewport),
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DEF_FUNC_DESC(Clear),
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DEF_FUNC_DESC(GenTextures),
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DEF_FUNC_DESC(DeleteTextures),
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DEF_FUNC_DESC(TexEnvi),
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DEF_FUNC_DESC(ClearColor),
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DEF_FUNC_DESC(Enable),
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DEF_FUNC_DESC(Disable),
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DEF_FUNC_DESC(DrawBuffer),
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DEF_FUNC_DESC(DepthMask),
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DEF_FUNC_DESC(BlendFunc),
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DEF_FUNC_DESC(Flush),
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DEF_FUNC_DESC(Finish),
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DEF_FUNC_DESC(PixelStorei),
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DEF_FUNC_DESC(TexImage1D),
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DEF_FUNC_DESC(TexImage2D),
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DEF_FUNC_DESC(TexSubImage2D),
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DEF_FUNC_DESC(GetTexImage),
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DEF_FUNC_DESC(TexParameteri),
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DEF_FUNC_DESC(TexParameterf),
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DEF_FUNC_DESC(TexParameterfv),
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DEF_FUNC_DESC(GetIntegerv),
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DEF_FUNC_DESC(GetBooleanv),
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DEF_FUNC_DESC(ColorMask),
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DEF_FUNC_DESC(ReadPixels),
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DEF_FUNC_DESC(ReadBuffer),
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DEF_FUNC_DESC(DrawArrays),
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DEF_FUNC_DESC(GetString),
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DEF_FUNC_DESC(GetError),
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// legacy GL functions (1.x - 2.x)
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DEF_FUNC_DESC(Begin),
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DEF_FUNC_DESC(End),
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DEF_FUNC_DESC(MatrixMode),
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DEF_FUNC_DESC(LoadIdentity),
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DEF_FUNC_DESC(Translated),
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DEF_FUNC_DESC(Scaled),
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DEF_FUNC_DESC(Ortho),
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DEF_FUNC_DESC(PushMatrix),
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DEF_FUNC_DESC(PopMatrix),
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DEF_FUNC_DESC(GenLists),
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DEF_FUNC_DESC(DeleteLists),
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DEF_FUNC_DESC(NewList),
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DEF_FUNC_DESC(EndList),
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DEF_FUNC_DESC(CallList),
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DEF_FUNC_DESC(CallLists),
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DEF_FUNC_DESC(Color4ub),
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DEF_FUNC_DESC(Color4f),
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DEF_FUNC_DESC(TexCoord2f),
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DEF_FUNC_DESC(TexCoord2fv),
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DEF_FUNC_DESC(Vertex2f),
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DEF_FUNC_DESC(VertexPointer),
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DEF_FUNC_DESC(ColorPointer),
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DEF_FUNC_DESC(TexCoordPointer),
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DEF_FUNC_DESC(EnableClientState),
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DEF_FUNC_DESC(DisableClientState),
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// OpenGL extension functions
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DEF_EXT_DESC(GenBuffers, NULL,
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("glGenBuffers", "glGenBuffersARB")),
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DEF_EXT_DESC(DeleteBuffers, NULL,
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("glDeleteBuffers", "glDeleteBuffersARB")),
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DEF_EXT_DESC(BindBuffer, NULL,
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("glBindBuffer", "glBindBufferARB")),
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DEF_EXT_DESC(MapBuffer, NULL,
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("glMapBuffer", "glMapBufferARB")),
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DEF_EXT_DESC(UnmapBuffer, NULL,
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("glUnmapBuffer", "glUnmapBufferARB")),
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DEF_EXT_DESC(BufferData, NULL,
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("glBufferData", "glBufferDataARB")),
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DEF_EXT_DESC(ActiveTexture, NULL,
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("glActiveTexture", "glActiveTextureARB")),
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DEF_EXT_DESC(BindTexture, NULL,
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("glBindTexture", "glBindTextureARB", "glBindTextureEXT")),
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DEF_EXT_DESC(MultiTexCoord2f, NULL,
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|
("glMultiTexCoord2f", "glMultiTexCoord2fARB")),
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|
DEF_EXT_DESC(GenPrograms, "_program",
|
|
("glGenProgramsARB")),
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|
DEF_EXT_DESC(DeletePrograms, "_program",
|
|
("glDeleteProgramsARB")),
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|
DEF_EXT_DESC(BindProgram, "_program",
|
|
("glBindProgramARB")),
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|
DEF_EXT_DESC(ProgramString, "_program",
|
|
("glProgramStringARB")),
|
|
DEF_EXT_DESC(GetProgramivARB, "_program",
|
|
("glGetProgramivARB")),
|
|
DEF_EXT_DESC(ProgramEnvParameter4f, "_program",
|
|
("glProgramEnvParameter4fARB")),
|
|
DEF_EXT_DESC(SwapInterval, "_swap_control",
|
|
("glXSwapIntervalSGI", "glXSwapInterval", "wglSwapIntervalSGI",
|
|
"wglSwapInterval", "wglSwapIntervalEXT")),
|
|
DEF_EXT_DESC(TexImage3D, NULL,
|
|
("glTexImage3D")),
|
|
|
|
// ancient ATI extensions
|
|
DEF_EXT_DESC(BeginFragmentShader, "ATI_fragment_shader",
|
|
("glBeginFragmentShaderATI")),
|
|
DEF_EXT_DESC(EndFragmentShader, "ATI_fragment_shader",
|
|
("glEndFragmentShaderATI")),
|
|
DEF_EXT_DESC(SampleMap, "ATI_fragment_shader",
|
|
("glSampleMapATI")),
|
|
DEF_EXT_DESC(ColorFragmentOp2, "ATI_fragment_shader",
|
|
("glColorFragmentOp2ATI")),
|
|
DEF_EXT_DESC(ColorFragmentOp3, "ATI_fragment_shader",
|
|
("glColorFragmentOp3ATI")),
|
|
DEF_EXT_DESC(SetFragmentShaderConstant, "ATI_fragment_shader",
|
|
("glSetFragmentShaderConstantATI")),
|
|
|
|
// GL 3, possibly in GL 2.x as well in form of extensions
|
|
DEF_GL3_DESC(GenBuffers),
|
|
DEF_GL3_DESC(DeleteBuffers),
|
|
DEF_GL3_DESC(BindBuffer),
|
|
DEF_GL3_DESC(MapBuffer),
|
|
DEF_GL3_DESC(UnmapBuffer),
|
|
DEF_GL3_DESC(BufferData),
|
|
DEF_GL3_DESC(ActiveTexture),
|
|
DEF_GL3_DESC(BindTexture),
|
|
DEF_GL3_DESC(GenVertexArrays),
|
|
DEF_GL3_DESC(BindVertexArray),
|
|
DEF_GL3_DESC(GetAttribLocation),
|
|
DEF_GL3_DESC(EnableVertexAttribArray),
|
|
DEF_GL3_DESC(DisableVertexAttribArray),
|
|
DEF_GL3_DESC(VertexAttribPointer),
|
|
DEF_GL3_DESC(DeleteVertexArrays),
|
|
DEF_GL3_DESC(UseProgram),
|
|
DEF_GL3_DESC(GetUniformLocation),
|
|
DEF_GL3_DESC(CompileShader),
|
|
DEF_GL3_DESC(CreateProgram),
|
|
DEF_GL3_DESC(CreateShader),
|
|
DEF_GL3_DESC(ShaderSource),
|
|
DEF_GL3_DESC(LinkProgram),
|
|
DEF_GL3_DESC(AttachShader),
|
|
DEF_GL3_DESC(DeleteShader),
|
|
DEF_GL3_DESC(DeleteProgram),
|
|
DEF_GL3_DESC(GetShaderInfoLog),
|
|
DEF_GL3_DESC(GetShaderiv),
|
|
DEF_GL3_DESC(GetProgramInfoLog),
|
|
DEF_GL3_DESC(GetProgramiv),
|
|
DEF_GL3_DESC(GetStringi),
|
|
DEF_GL3_DESC(BindAttribLocation),
|
|
DEF_GL3_DESC(BindFramebuffer),
|
|
DEF_GL3_DESC(GenFramebuffers),
|
|
DEF_GL3_DESC(DeleteFramebuffers),
|
|
DEF_GL3_DESC(CheckFramebufferStatus),
|
|
DEF_GL3_DESC(FramebufferTexture2D),
|
|
DEF_GL3_DESC(Uniform1f),
|
|
DEF_GL3_DESC(Uniform3f),
|
|
DEF_GL3_DESC(Uniform1i),
|
|
DEF_GL3_DESC(UniformMatrix3fv),
|
|
DEF_GL3_DESC(UniformMatrix4x3fv),
|
|
|
|
{-1}
|
|
};
|
|
|
|
/**
|
|
* \brief find the function pointers of some useful OpenGL extensions
|
|
* \param getProcAddress function to resolve function names, may be NULL
|
|
* \param ext2 an extra extension string
|
|
*/
|
|
static void getFunctions(GL *gl, void *(*getProcAddress)(const GLubyte *),
|
|
const char *ext2, bool is_gl3)
|
|
{
|
|
const extfunc_desc_t *dsc;
|
|
char *allexts = talloc_strdup(NULL, ext2 ? ext2 : "");
|
|
|
|
*gl = (GL) {0};
|
|
|
|
if (!getProcAddress)
|
|
getProcAddress = (void *)getdladdr;
|
|
|
|
if (is_gl3) {
|
|
gl->GetStringi = getProcAddress("glGetStringi");
|
|
gl->GetIntegerv = getProcAddress("glGetIntegerv");
|
|
|
|
if (!(gl->GetStringi && gl->GetIntegerv))
|
|
return;
|
|
|
|
GLint exts;
|
|
gl->GetIntegerv(GL_NUM_EXTENSIONS, &exts);
|
|
for (int n = 0; n < exts; n++) {
|
|
allexts = talloc_asprintf_append(allexts, " %s",
|
|
gl->GetStringi(GL_EXTENSIONS, n));
|
|
}
|
|
} else {
|
|
gl->GetString = getProcAddress("glGetString");
|
|
if (!gl->GetString)
|
|
gl->GetString = glGetString;
|
|
const char *ext = (char*)gl->GetString(GL_EXTENSIONS);
|
|
allexts = talloc_asprintf_append(allexts, " %s", ext);
|
|
}
|
|
|
|
mp_msg(MSGT_VO, MSGL_DBG2, "OpenGL extensions string:\n%s\n", allexts);
|
|
for (dsc = extfuncs; dsc->offset >= 0; dsc++) {
|
|
void *ptr = NULL;
|
|
if (!dsc->extstr || strstr(allexts, dsc->extstr)) {
|
|
for (int i = 0; !ptr && dsc->funcnames[i]; i++)
|
|
ptr = getProcAddress((const GLubyte *)dsc->funcnames[i]);
|
|
}
|
|
if (!ptr)
|
|
ptr = dsc->fallback;
|
|
if (!ptr && !dsc->extstr && (!dsc->is_gl3 || is_gl3))
|
|
mp_msg(MSGT_VO, MSGL_WARN, "[gl] OpenGL function not found: %s\n",
|
|
dsc->funcnames[0]);
|
|
void **funcptr = (void**)(((char*)gl) + dsc->offset);
|
|
*funcptr = ptr;
|
|
}
|
|
talloc_free(allexts);
|
|
}
|
|
|
|
/**
|
|
* \brief create a texture and set some defaults
|
|
* \param target texture taget, usually GL_TEXTURE_2D
|
|
* \param fmt internal texture format
|
|
* \param format texture host data format
|
|
* \param type texture host data type
|
|
* \param filter filter used for scaling, e.g. GL_LINEAR
|
|
* \param w texture width
|
|
* \param h texture height
|
|
* \param val luminance value to fill texture with
|
|
* \ingroup gltexture
|
|
*/
|
|
void glCreateClearTex(GL *gl, GLenum target, GLenum fmt, GLenum format,
|
|
GLenum type, GLint filter, int w, int h,
|
|
unsigned char val)
|
|
{
|
|
GLfloat fval = (GLfloat)val / 255.0;
|
|
GLfloat border[4] = {
|
|
fval, fval, fval, fval
|
|
};
|
|
int stride;
|
|
char *init;
|
|
if (w == 0)
|
|
w = 1;
|
|
if (h == 0)
|
|
h = 1;
|
|
stride = w * glFmt2bpp(format, type);
|
|
if (!stride)
|
|
return;
|
|
init = malloc(stride * h);
|
|
memset(init, val, stride * h);
|
|
glAdjustAlignment(gl, stride);
|
|
gl->PixelStorei(GL_UNPACK_ROW_LENGTH, w);
|
|
gl->TexImage2D(target, 0, fmt, w, h, 0, format, type, init);
|
|
gl->TexParameterf(target, GL_TEXTURE_PRIORITY, 1.0);
|
|
gl->TexParameteri(target, GL_TEXTURE_MIN_FILTER, filter);
|
|
gl->TexParameteri(target, GL_TEXTURE_MAG_FILTER, filter);
|
|
gl->TexParameteri(target, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
|
|
gl->TexParameteri(target, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
|
|
// Border texels should not be used with CLAMP_TO_EDGE
|
|
// We set a sane default anyway.
|
|
gl->TexParameterfv(target, GL_TEXTURE_BORDER_COLOR, border);
|
|
free(init);
|
|
}
|
|
|
|
static GLint detect_hqtexfmt(GL *gl)
|
|
{
|
|
const char *extensions = (const char *)gl->GetString(GL_EXTENSIONS);
|
|
if (strstr(extensions, "_texture_float"))
|
|
return GL_RGB32F;
|
|
else if (strstr(extensions, "NV_float_buffer"))
|
|
return GL_FLOAT_RGB32_NV;
|
|
return GL_RGB16;
|
|
}
|
|
|
|
/**
|
|
* \brief creates a texture from a PPM file
|
|
* \param target texture taget, usually GL_TEXTURE_2D
|
|
* \param fmt internal texture format, 0 for default
|
|
* \param filter filter used for scaling, e.g. GL_LINEAR
|
|
* \param f file to read PPM from
|
|
* \param width [out] width of texture
|
|
* \param height [out] height of texture
|
|
* \param maxval [out] maxval value from PPM file
|
|
* \return 0 on error, 1 otherwise
|
|
* \ingroup gltexture
|
|
*/
|
|
int glCreatePPMTex(GL *gl, GLenum target, GLenum fmt, GLint filter,
|
|
FILE *f, int *width, int *height, int *maxval)
|
|
{
|
|
int w, h, m, bpp;
|
|
GLenum type;
|
|
uint8_t *data = read_pnm(f, &w, &h, &bpp, &m);
|
|
GLint hqtexfmt = detect_hqtexfmt(gl);
|
|
if (!data || (bpp != 3 && bpp != 6)) {
|
|
free(data);
|
|
return 0;
|
|
}
|
|
if (!fmt) {
|
|
fmt = bpp == 6 ? hqtexfmt : 3;
|
|
if (fmt == GL_FLOAT_RGB32_NV && target != GL_TEXTURE_RECTANGLE)
|
|
fmt = GL_RGB16;
|
|
}
|
|
type = bpp == 6 ? GL_UNSIGNED_SHORT : GL_UNSIGNED_BYTE;
|
|
glCreateClearTex(gl, target, fmt, GL_RGB, type, filter, w, h, 0);
|
|
glUploadTex(gl, target, GL_RGB, type,
|
|
data, w * bpp, 0, 0, w, h, 0);
|
|
free(data);
|
|
if (width)
|
|
*width = w;
|
|
if (height)
|
|
*height = h;
|
|
if (maxval)
|
|
*maxval = m;
|
|
return 1;
|
|
}
|
|
|
|
/**
|
|
* \brief return the number of bytes per pixel for the given format
|
|
* \param format OpenGL format
|
|
* \param type OpenGL type
|
|
* \return bytes per pixel
|
|
* \ingroup glgeneral
|
|
*
|
|
* Does not handle all possible variants, just those used by MPlayer
|
|
*/
|
|
int glFmt2bpp(GLenum format, GLenum type)
|
|
{
|
|
int component_size = 0;
|
|
switch (type) {
|
|
case GL_UNSIGNED_BYTE_3_3_2:
|
|
case GL_UNSIGNED_BYTE_2_3_3_REV:
|
|
return 1;
|
|
case GL_UNSIGNED_SHORT_5_5_5_1:
|
|
case GL_UNSIGNED_SHORT_1_5_5_5_REV:
|
|
case GL_UNSIGNED_SHORT_5_6_5:
|
|
case GL_UNSIGNED_SHORT_5_6_5_REV:
|
|
return 2;
|
|
case GL_UNSIGNED_BYTE:
|
|
component_size = 1;
|
|
break;
|
|
case GL_UNSIGNED_SHORT:
|
|
component_size = 2;
|
|
break;
|
|
}
|
|
switch (format) {
|
|
case GL_LUMINANCE:
|
|
case GL_ALPHA:
|
|
return component_size;
|
|
case GL_YCBCR_MESA:
|
|
return 2;
|
|
case GL_RGB:
|
|
case GL_BGR:
|
|
return 3 * component_size;
|
|
case GL_RGBA:
|
|
case GL_BGRA:
|
|
return 4 * component_size;
|
|
case GL_RED:
|
|
return component_size;
|
|
case GL_RG:
|
|
case GL_LUMINANCE_ALPHA:
|
|
return 2 * component_size;
|
|
}
|
|
return 0; // unknown
|
|
}
|
|
|
|
/**
|
|
* \brief upload a texture, handling things like stride and slices
|
|
* \param target texture target, usually GL_TEXTURE_2D
|
|
* \param format OpenGL format of data
|
|
* \param type OpenGL type of data
|
|
* \param dataptr data to upload
|
|
* \param stride data stride
|
|
* \param x x offset in texture
|
|
* \param y y offset in texture
|
|
* \param w width of the texture part to upload
|
|
* \param h height of the texture part to upload
|
|
* \param slice height of an upload slice, 0 for all at once
|
|
* \ingroup gltexture
|
|
*/
|
|
void glUploadTex(GL *gl, GLenum target, GLenum format, GLenum type,
|
|
const void *dataptr, int stride,
|
|
int x, int y, int w, int h, int slice)
|
|
{
|
|
const uint8_t *data = dataptr;
|
|
int y_max = y + h;
|
|
if (w <= 0 || h <= 0)
|
|
return;
|
|
if (slice <= 0)
|
|
slice = h;
|
|
if (stride < 0) {
|
|
data += (h - 1) * stride;
|
|
stride = -stride;
|
|
}
|
|
// this is not always correct, but should work for MPlayer
|
|
glAdjustAlignment(gl, stride);
|
|
gl->PixelStorei(GL_UNPACK_ROW_LENGTH, stride / glFmt2bpp(format, type));
|
|
for (; y + slice <= y_max; y += slice) {
|
|
gl->TexSubImage2D(target, 0, x, y, w, slice, format, type, data);
|
|
data += stride * slice;
|
|
}
|
|
if (y < y_max)
|
|
gl->TexSubImage2D(target, 0, x, y, w, y_max - y, format, type, data);
|
|
}
|
|
|
|
/**
|
|
* \brief download a texture, handling things like stride and slices
|
|
* \param target texture target, usually GL_TEXTURE_2D
|
|
* \param format OpenGL format of data
|
|
* \param type OpenGL type of data
|
|
* \param dataptr destination memory for download
|
|
* \param stride data stride (must be positive)
|
|
* \ingroup gltexture
|
|
*/
|
|
void glDownloadTex(GL *gl, GLenum target, GLenum format, GLenum type,
|
|
void *dataptr, int stride)
|
|
{
|
|
// this is not always correct, but should work for MPlayer
|
|
glAdjustAlignment(gl, stride);
|
|
gl->PixelStorei(GL_PACK_ROW_LENGTH, stride / glFmt2bpp(format, type));
|
|
gl->GetTexImage(target, 0, format, type, dataptr);
|
|
}
|
|
|
|
/**
|
|
* \brief Setup ATI version of register combiners for YUV to RGB conversion.
|
|
* \param csp_params parameters used for colorspace conversion
|
|
* \param text if set use the GL_ATI_text_fragment_shader API as
|
|
* used on OS X.
|
|
*/
|
|
static void glSetupYUVFragmentATI(GL *gl, struct mp_csp_params *csp_params,
|
|
int text)
|
|
{
|
|
GLint i;
|
|
float yuv2rgb[3][4];
|
|
|
|
gl->GetIntegerv(GL_MAX_TEXTURE_UNITS, &i);
|
|
if (i < 3)
|
|
mp_msg(MSGT_VO, MSGL_ERR,
|
|
"[gl] 3 texture units needed for YUV combiner (ATI) support (found %i)\n", i);
|
|
|
|
mp_get_yuv2rgb_coeffs(csp_params, yuv2rgb);
|
|
for (i = 0; i < 3; i++) {
|
|
int j;
|
|
yuv2rgb[i][3] -= -0.5 * (yuv2rgb[i][1] + yuv2rgb[i][2]);
|
|
for (j = 0; j < 4; j++) {
|
|
yuv2rgb[i][j] *= 0.125;
|
|
yuv2rgb[i][j] += 0.5;
|
|
if (yuv2rgb[i][j] > 1)
|
|
yuv2rgb[i][j] = 1;
|
|
if (yuv2rgb[i][j] < 0)
|
|
yuv2rgb[i][j] = 0;
|
|
}
|
|
}
|
|
if (text == 0) {
|
|
GLfloat c0[4] = { yuv2rgb[0][0], yuv2rgb[1][0], yuv2rgb[2][0] };
|
|
GLfloat c1[4] = { yuv2rgb[0][1], yuv2rgb[1][1], yuv2rgb[2][1] };
|
|
GLfloat c2[4] = { yuv2rgb[0][2], yuv2rgb[1][2], yuv2rgb[2][2] };
|
|
GLfloat c3[4] = { yuv2rgb[0][3], yuv2rgb[1][3], yuv2rgb[2][3] };
|
|
if (!gl->BeginFragmentShader || !gl->EndFragmentShader ||
|
|
!gl->SetFragmentShaderConstant || !gl->SampleMap ||
|
|
!gl->ColorFragmentOp2 || !gl->ColorFragmentOp3) {
|
|
mp_msg(MSGT_VO, MSGL_FATAL, "[gl] Combiner (ATI) functions missing!\n");
|
|
return;
|
|
}
|
|
gl->GetIntegerv(GL_NUM_FRAGMENT_REGISTERS_ATI, &i);
|
|
if (i < 3)
|
|
mp_msg(MSGT_VO, MSGL_ERR,
|
|
"[gl] 3 registers needed for YUV combiner (ATI) support (found %i)\n", i);
|
|
gl->BeginFragmentShader();
|
|
gl->SetFragmentShaderConstant(GL_CON_0_ATI, c0);
|
|
gl->SetFragmentShaderConstant(GL_CON_1_ATI, c1);
|
|
gl->SetFragmentShaderConstant(GL_CON_2_ATI, c2);
|
|
gl->SetFragmentShaderConstant(GL_CON_3_ATI, c3);
|
|
gl->SampleMap(GL_REG_0_ATI, GL_TEXTURE0, GL_SWIZZLE_STR_ATI);
|
|
gl->SampleMap(GL_REG_1_ATI, GL_TEXTURE1, GL_SWIZZLE_STR_ATI);
|
|
gl->SampleMap(GL_REG_2_ATI, GL_TEXTURE2, GL_SWIZZLE_STR_ATI);
|
|
gl->ColorFragmentOp2(GL_MUL_ATI, GL_REG_1_ATI, GL_NONE, GL_NONE,
|
|
GL_REG_1_ATI, GL_NONE, GL_BIAS_BIT_ATI,
|
|
GL_CON_1_ATI, GL_NONE, GL_BIAS_BIT_ATI);
|
|
gl->ColorFragmentOp3(GL_MAD_ATI, GL_REG_2_ATI, GL_NONE, GL_NONE,
|
|
GL_REG_2_ATI, GL_NONE, GL_BIAS_BIT_ATI,
|
|
GL_CON_2_ATI, GL_NONE, GL_BIAS_BIT_ATI,
|
|
GL_REG_1_ATI, GL_NONE, GL_NONE);
|
|
gl->ColorFragmentOp3(GL_MAD_ATI, GL_REG_0_ATI, GL_NONE, GL_NONE,
|
|
GL_REG_0_ATI, GL_NONE, GL_NONE,
|
|
GL_CON_0_ATI, GL_NONE, GL_BIAS_BIT_ATI,
|
|
GL_REG_2_ATI, GL_NONE, GL_NONE);
|
|
gl->ColorFragmentOp2(GL_ADD_ATI, GL_REG_0_ATI, GL_NONE, GL_8X_BIT_ATI,
|
|
GL_REG_0_ATI, GL_NONE, GL_NONE,
|
|
GL_CON_3_ATI, GL_NONE, GL_BIAS_BIT_ATI);
|
|
gl->EndFragmentShader();
|
|
} else {
|
|
static const char template[] =
|
|
"!!ATIfs1.0\n"
|
|
"StartConstants;\n"
|
|
" CONSTANT c0 = {%e, %e, %e};\n"
|
|
" CONSTANT c1 = {%e, %e, %e};\n"
|
|
" CONSTANT c2 = {%e, %e, %e};\n"
|
|
" CONSTANT c3 = {%e, %e, %e};\n"
|
|
"EndConstants;\n"
|
|
"StartOutputPass;\n"
|
|
" SampleMap r0, t0.str;\n"
|
|
" SampleMap r1, t1.str;\n"
|
|
" SampleMap r2, t2.str;\n"
|
|
" MUL r1.rgb, r1.bias, c1.bias;\n"
|
|
" MAD r2.rgb, r2.bias, c2.bias, r1;\n"
|
|
" MAD r0.rgb, r0, c0.bias, r2;\n"
|
|
" ADD r0.rgb.8x, r0, c3.bias;\n"
|
|
"EndPass;\n";
|
|
char buffer[512];
|
|
snprintf(buffer, sizeof(buffer), template,
|
|
yuv2rgb[0][0], yuv2rgb[1][0], yuv2rgb[2][0],
|
|
yuv2rgb[0][1], yuv2rgb[1][1], yuv2rgb[2][1],
|
|
yuv2rgb[0][2], yuv2rgb[1][2], yuv2rgb[2][2],
|
|
yuv2rgb[0][3], yuv2rgb[1][3], yuv2rgb[2][3]);
|
|
mp_msg(MSGT_VO, MSGL_DBG2, "[gl] generated fragment program:\n%s\n",
|
|
buffer);
|
|
loadGPUProgram(gl, GL_TEXT_FRAGMENT_SHADER_ATI, buffer);
|
|
}
|
|
}
|
|
|
|
// Replace all occurances of variables named "$"+name (e.g. $foo) in *text with
|
|
// replace, and return the result. *text must have been allocated with talloc.
|
|
static void replace_var_str(char **text, const char *name, const char *replace)
|
|
{
|
|
size_t namelen = strlen(name);
|
|
char *nextvar = *text;
|
|
void *parent = talloc_parent(*text);
|
|
for (;;) {
|
|
nextvar = strchr(nextvar, '$');
|
|
if (!nextvar)
|
|
break;
|
|
char *until = nextvar;
|
|
nextvar++;
|
|
if (strncmp(nextvar, name, namelen) != 0)
|
|
continue;
|
|
nextvar += namelen;
|
|
// try not to replace prefixes of other vars (e.g. $foo vs. $foo_bar)
|
|
char term = nextvar[0];
|
|
if (isalnum(term) || term == '_')
|
|
continue;
|
|
int prelength = until - *text;
|
|
int postlength = nextvar - *text;
|
|
char *n = talloc_asprintf(parent, "%.*s%s%s", prelength, *text, replace,
|
|
nextvar);
|
|
talloc_free(*text);
|
|
*text = n;
|
|
nextvar = *text + postlength;
|
|
}
|
|
}
|
|
|
|
static void replace_var_float(char **text, const char *name, float replace)
|
|
{
|
|
char *s = talloc_asprintf(NULL, "%e", replace);
|
|
replace_var_str(text, name, s);
|
|
talloc_free(s);
|
|
}
|
|
|
|
static void replace_var_char(char **text, const char *name, char replace)
|
|
{
|
|
char s[2] = { replace, '\0' };
|
|
replace_var_str(text, name, s);
|
|
}
|
|
|
|
// Append template to *text. Possibly initialize *text if it's NULL.
|
|
static void append_template(char **text, const char* template)
|
|
{
|
|
if (!text)
|
|
*text = talloc_strdup(NULL, template);
|
|
else
|
|
*text = talloc_strdup_append(*text, template);
|
|
}
|
|
|
|
/**
|
|
* \brief helper function for gen_spline_lookup_tex
|
|
* \param x subpixel-position ((0,1) range) to calculate weights for
|
|
* \param dst where to store transformed weights, must provide space for 4 GLfloats
|
|
*
|
|
* calculates the weights and stores them after appropriate transformation
|
|
* for the scaler fragment program.
|
|
*/
|
|
static void store_weights(float x, GLfloat *dst)
|
|
{
|
|
float w0 = (((-1 * x + 3) * x - 3) * x + 1) / 6;
|
|
float w1 = (((3 * x - 6) * x + 0) * x + 4) / 6;
|
|
float w2 = (((-3 * x + 3) * x + 3) * x + 1) / 6;
|
|
float w3 = (((1 * x + 0) * x + 0) * x + 0) / 6;
|
|
*dst++ = 1 + x - w1 / (w0 + w1);
|
|
*dst++ = 1 - x + w3 / (w2 + w3);
|
|
*dst++ = w0 + w1;
|
|
*dst++ = 0;
|
|
}
|
|
|
|
//! to avoid artefacts this should be rather large
|
|
#define LOOKUP_BSPLINE_RES (2 * 1024)
|
|
/**
|
|
* \brief creates the 1D lookup texture needed for fast higher-order filtering
|
|
* \param unit texture unit to attach texture to
|
|
*/
|
|
static void gen_spline_lookup_tex(GL *gl, GLenum unit)
|
|
{
|
|
GLfloat *tex = calloc(4 * LOOKUP_BSPLINE_RES, sizeof(*tex));
|
|
GLfloat *tp = tex;
|
|
int i;
|
|
for (i = 0; i < LOOKUP_BSPLINE_RES; i++) {
|
|
float x = (float)(i + 0.5) / LOOKUP_BSPLINE_RES;
|
|
store_weights(x, tp);
|
|
tp += 4;
|
|
}
|
|
store_weights(0, tex);
|
|
store_weights(1, &tex[4 * (LOOKUP_BSPLINE_RES - 1)]);
|
|
gl->ActiveTexture(unit);
|
|
gl->TexImage1D(GL_TEXTURE_1D, 0, GL_RGBA16, LOOKUP_BSPLINE_RES, 0, GL_RGBA,
|
|
GL_FLOAT, tex);
|
|
gl->TexParameterf(GL_TEXTURE_1D, GL_TEXTURE_PRIORITY, 1.0);
|
|
gl->TexParameteri(GL_TEXTURE_1D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
|
|
gl->TexParameteri(GL_TEXTURE_1D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
|
|
gl->TexParameteri(GL_TEXTURE_1D, GL_TEXTURE_WRAP_S, GL_REPEAT);
|
|
gl->ActiveTexture(GL_TEXTURE0);
|
|
free(tex);
|
|
}
|
|
|
|
#define NOISE_RES 2048
|
|
|
|
/**
|
|
* \brief creates the 1D lookup texture needed to generate pseudo-random numbers.
|
|
* \param unit texture unit to attach texture to
|
|
*/
|
|
static void gen_noise_lookup_tex(GL *gl, GLenum unit) {
|
|
GLfloat *tex = calloc(NOISE_RES, sizeof(*tex));
|
|
uint32_t lcg = 0x79381c11;
|
|
int i;
|
|
for (i = 0; i < NOISE_RES; i++)
|
|
tex[i] = (double)i / (NOISE_RES - 1);
|
|
for (i = 0; i < NOISE_RES - 1; i++) {
|
|
int remain = NOISE_RES - i;
|
|
int idx = i + (lcg >> 16) % remain;
|
|
GLfloat tmp = tex[i];
|
|
tex[i] = tex[idx];
|
|
tex[idx] = tmp;
|
|
lcg = lcg * 1664525 + 1013904223;
|
|
}
|
|
gl->ActiveTexture(unit);
|
|
gl->TexImage1D(GL_TEXTURE_1D, 0, 1, NOISE_RES, 0, GL_RED, GL_FLOAT, tex);
|
|
gl->TexParameterf(GL_TEXTURE_1D, GL_TEXTURE_PRIORITY, 1.0);
|
|
gl->TexParameteri(GL_TEXTURE_1D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
|
|
gl->TexParameteri(GL_TEXTURE_1D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
|
|
gl->TexParameteri(GL_TEXTURE_1D, GL_TEXTURE_WRAP_S, GL_REPEAT);
|
|
gl->ActiveTexture(GL_TEXTURE0);
|
|
free(tex);
|
|
}
|
|
|
|
#define SAMPLE(dest, coord, texture) \
|
|
"TEX textemp, " coord ", " texture ", $tex_type;\n" \
|
|
"MOV " dest ", textemp.r;\n"
|
|
|
|
static const char bilin_filt_template[] =
|
|
SAMPLE("yuv.$out_comp","fragment.texcoord[$in_tex]","texture[$in_tex]");
|
|
|
|
#define BICUB_FILT_MAIN \
|
|
/* first y-interpolation */ \
|
|
"ADD coord, fragment.texcoord[$in_tex].xyxy, cdelta.xyxw;\n" \
|
|
"ADD coord2, fragment.texcoord[$in_tex].xyxy, cdelta.zyzw;\n" \
|
|
SAMPLE("a.r","coord.xyxy","texture[$in_tex]") \
|
|
SAMPLE("a.g","coord.zwzw","texture[$in_tex]") \
|
|
/* second y-interpolation */ \
|
|
SAMPLE("b.r","coord2.xyxy","texture[$in_tex]") \
|
|
SAMPLE("b.g","coord2.zwzw","texture[$in_tex]") \
|
|
"LRP a.b, parmy.b, a.rrrr, a.gggg;\n" \
|
|
"LRP a.a, parmy.b, b.rrrr, b.gggg;\n" \
|
|
/* x-interpolation */ \
|
|
"LRP yuv.$out_comp, parmx.b, a.bbbb, a.aaaa;\n"
|
|
|
|
static const char bicub_filt_template_2D[] =
|
|
"MAD coord.xy, fragment.texcoord[$in_tex], {$texw, $texh}, {0.5, 0.5};\n"
|
|
"TEX parmx, coord.x, texture[$texs], 1D;\n"
|
|
"MUL cdelta.xz, parmx.rrgg, {-$ptw, 0, $ptw, 0};\n"
|
|
"TEX parmy, coord.y, texture[$texs], 1D;\n"
|
|
"MUL cdelta.yw, parmy.rrgg, {0, -$pth, 0, $pth};\n"
|
|
BICUB_FILT_MAIN;
|
|
|
|
static const char bicub_filt_template_RECT[] =
|
|
"ADD coord, fragment.texcoord[$in_tex], {0.5, 0.5};\n"
|
|
"TEX parmx, coord.x, texture[$texs], 1D;\n"
|
|
"MUL cdelta.xz, parmx.rrgg, {-1, 0, 1, 0};\n"
|
|
"TEX parmy, coord.y, texture[$texs], 1D;\n"
|
|
"MUL cdelta.yw, parmy.rrgg, {0, -1, 0, 1};\n"
|
|
BICUB_FILT_MAIN;
|
|
|
|
#define CALCWEIGHTS(t, s) \
|
|
"MAD "t ", {-0.5, 0.1666, 0.3333, -0.3333}, "s ", {1, 0, -0.5, 0.5};\n" \
|
|
"MAD "t ", "t ", "s ", {0, 0, -0.5, 0.5};\n" \
|
|
"MAD "t ", "t ", "s ", {-0.6666, 0, 0.8333, 0.1666};\n" \
|
|
"RCP a.x, "t ".z;\n" \
|
|
"RCP a.y, "t ".w;\n" \
|
|
"MAD "t ".xy, "t ".xyxy, a.xyxy, {1, 1, 0, 0};\n" \
|
|
"ADD "t ".x, "t ".xxxx, "s ";\n" \
|
|
"SUB "t ".y, "t ".yyyy, "s ";\n"
|
|
|
|
static const char bicub_notex_filt_template_2D[] =
|
|
"MAD coord.xy, fragment.texcoord[$in_tex], {$texw, $texh}, {0.5, 0.5};\n"
|
|
"FRC coord.xy, coord.xyxy;\n"
|
|
CALCWEIGHTS("parmx", "coord.xxxx")
|
|
"MUL cdelta.xz, parmx.rrgg, {-$ptw, 0, $ptw, 0};\n"
|
|
CALCWEIGHTS("parmy", "coord.yyyy")
|
|
"MUL cdelta.yw, parmy.rrgg, {0, -$pth, 0, $pth};\n"
|
|
BICUB_FILT_MAIN;
|
|
|
|
static const char bicub_notex_filt_template_RECT[] =
|
|
"ADD coord, fragment.texcoord[$in_tex], {0.5, 0.5};\n"
|
|
"FRC coord.xy, coord.xyxy;\n"
|
|
CALCWEIGHTS("parmx", "coord.xxxx")
|
|
"MUL cdelta.xz, parmx.rrgg, {-1, 0, 1, 0};\n"
|
|
CALCWEIGHTS("parmy", "coord.yyyy")
|
|
"MUL cdelta.yw, parmy.rrgg, {0, -1, 0, 1};\n"
|
|
BICUB_FILT_MAIN;
|
|
|
|
#define BICUB_X_FILT_MAIN \
|
|
"ADD coord.xy, fragment.texcoord[$in_tex].xyxy, cdelta.xyxy;\n" \
|
|
"ADD coord2.xy, fragment.texcoord[$in_tex].xyxy, cdelta.zyzy;\n" \
|
|
SAMPLE("a.r","coord","texture[$in_tex]") \
|
|
SAMPLE("b.r","coord2","texture[$in_tex]") \
|
|
/* x-interpolation */ \
|
|
"LRP yuv.$out_comp, parmx.b, a.rrrr, b.rrrr;\n"
|
|
|
|
static const char bicub_x_filt_template_2D[] =
|
|
"MAD coord.x, fragment.texcoord[$in_tex], {$texw}, {0.5};\n"
|
|
"TEX parmx, coord, texture[$texs], 1D;\n"
|
|
"MUL cdelta.xyz, parmx.rrgg, {-$ptw, 0, $ptw};\n"
|
|
BICUB_X_FILT_MAIN;
|
|
|
|
static const char bicub_x_filt_template_RECT[] =
|
|
"ADD coord.x, fragment.texcoord[$in_tex], {0.5};\n"
|
|
"TEX parmx, coord, texture[$texs], 1D;\n"
|
|
"MUL cdelta.xyz, parmx.rrgg, {-1, 0, 1};\n"
|
|
BICUB_X_FILT_MAIN;
|
|
|
|
static const char unsharp_filt_template[] =
|
|
"PARAM dcoord$out_comp = {$ptw_05, $pth_05, $ptw_05, -$pth_05};\n"
|
|
"ADD coord, fragment.texcoord[$in_tex].xyxy, dcoord$out_comp;\n"
|
|
"SUB coord2, fragment.texcoord[$in_tex].xyxy, dcoord$out_comp;\n"
|
|
SAMPLE("a.r","fragment.texcoord[$in_tex]","texture[$in_tex]")
|
|
SAMPLE("b.r","coord.xyxy","texture[$in_tex]")
|
|
SAMPLE("b.g","coord.zwzw","texture[$in_tex]")
|
|
"ADD b.r, b.r, b.g;\n"
|
|
SAMPLE("b.b","coord2.xyxy","texture[$in_tex]")
|
|
SAMPLE("b.g","coord2.zwzw","texture[$in_tex]")
|
|
"DP3 b, b, {0.25, 0.25, 0.25};\n"
|
|
"SUB b.r, a.r, b.r;\n"
|
|
"MAD textemp.r, b.r, {$strength}, a.r;\n"
|
|
"MOV yuv.$out_comp, textemp.r;\n";
|
|
|
|
static const char unsharp_filt_template2[] =
|
|
"PARAM dcoord$out_comp = {$ptw_12, $pth_12, $ptw_12, -$pth_12};\n"
|
|
"PARAM dcoord2$out_comp = {$ptw_15, 0, 0, $pth_15};\n"
|
|
"ADD coord, fragment.texcoord[$in_tex].xyxy, dcoord$out_comp;\n"
|
|
"SUB coord2, fragment.texcoord[$in_tex].xyxy, dcoord$out_comp;\n"
|
|
SAMPLE("a.r","fragment.texcoord[$in_tex]","texture[$in_tex]")
|
|
SAMPLE("b.r","coord.xyxy","texture[$in_tex]")
|
|
SAMPLE("b.g","coord.zwzw","texture[$in_tex]")
|
|
"ADD b.r, b.r, b.g;\n"
|
|
SAMPLE("b.b","coord2.xyxy","texture[$in_tex]")
|
|
SAMPLE("b.g","coord2.zwzw","texture[$in_tex]")
|
|
"ADD b.r, b.r, b.b;\n"
|
|
"ADD b.a, b.r, b.g;\n"
|
|
"ADD coord, fragment.texcoord[$in_tex].xyxy, dcoord2$out_comp;\n"
|
|
"SUB coord2, fragment.texcoord[$in_tex].xyxy, dcoord2$out_comp;\n"
|
|
SAMPLE("b.r","coord.xyxy","texture[$in_tex]")
|
|
SAMPLE("b.g","coord.zwzw","texture[$in_tex]")
|
|
"ADD b.r, b.r, b.g;\n"
|
|
SAMPLE("b.b","coord2.xyxy","texture[$in_tex]")
|
|
SAMPLE("b.g","coord2.zwzw","texture[$in_tex]")
|
|
"DP4 b.r, b, {-0.1171875, -0.1171875, -0.1171875, -0.09765625};\n"
|
|
"MAD b.r, a.r, {0.859375}, b.r;\n"
|
|
"MAD textemp.r, b.r, {$strength}, a.r;\n"
|
|
"MOV yuv.$out_comp, textemp.r;\n";
|
|
|
|
static const char yuv_prog_template[] =
|
|
"PARAM ycoef = {$cm11, $cm21, $cm31};\n"
|
|
"PARAM ucoef = {$cm12, $cm22, $cm32};\n"
|
|
"PARAM vcoef = {$cm13, $cm23, $cm33};\n"
|
|
"PARAM offsets = {$cm14, $cm24, $cm34};\n"
|
|
"TEMP res;\n"
|
|
"MAD res.rgb, yuv.rrrr, ycoef, offsets;\n"
|
|
"MAD res.rgb, yuv.gggg, ucoef, res;\n"
|
|
"MAD res.rgb, yuv.bbbb, vcoef, res;\n";
|
|
|
|
static const char yuv_pow_prog_template[] =
|
|
"PARAM ycoef = {$cm11, $cm21, $cm31};\n"
|
|
"PARAM ucoef = {$cm12, $cm22, $cm32};\n"
|
|
"PARAM vcoef = {$cm13, $cm23, $cm33};\n"
|
|
"PARAM offsets = {$cm14, $cm24, $cm34};\n"
|
|
"PARAM gamma = {$gamma_r, $gamma_g, $gamma_b};\n"
|
|
"TEMP res;\n"
|
|
"MAD res.rgb, yuv.rrrr, ycoef, offsets;\n"
|
|
"MAD res.rgb, yuv.gggg, ucoef, res;\n"
|
|
"MAD_SAT res.rgb, yuv.bbbb, vcoef, res;\n"
|
|
"POW res.r, res.r, gamma.r;\n"
|
|
"POW res.g, res.g, gamma.g;\n"
|
|
"POW res.b, res.b, gamma.b;\n";
|
|
|
|
static const char yuv_lookup_prog_template[] =
|
|
"PARAM ycoef = {$cm11, $cm21, $cm31, 0};\n"
|
|
"PARAM ucoef = {$cm12, $cm22, $cm32, 0};\n"
|
|
"PARAM vcoef = {$cm13, $cm23, $cm33, 0};\n"
|
|
"PARAM offsets = {$cm14, $cm24, $cm34, 0.125};\n"
|
|
"TEMP res;\n"
|
|
"MAD res, yuv.rrrr, ycoef, offsets;\n"
|
|
"MAD res.rgb, yuv.gggg, ucoef, res;\n"
|
|
"MAD res.rgb, yuv.bbbb, vcoef, res;\n"
|
|
"TEX res.r, res.raaa, texture[$conv_tex0], 2D;\n"
|
|
"ADD res.a, res.a, 0.25;\n"
|
|
"TEX res.g, res.gaaa, texture[$conv_tex0], 2D;\n"
|
|
"ADD res.a, res.a, 0.25;\n"
|
|
"TEX res.b, res.baaa, texture[$conv_tex0], 2D;\n";
|
|
|
|
static const char yuv_lookup3d_prog_template[] =
|
|
"TEMP res;\n"
|
|
"TEX res, yuv, texture[$conv_tex0], 3D;\n";
|
|
|
|
static const char noise_filt_template[] =
|
|
"MUL coord.xy, fragment.texcoord[0], {$noise_sx, $noise_sy};\n"
|
|
"TEMP rand;\n"
|
|
"TEX rand.r, coord.x, texture[$noise_filt_tex], 1D;\n"
|
|
"ADD rand.r, rand.r, coord.y;\n"
|
|
"TEX rand.r, rand.r, texture[$noise_filt_tex], 1D;\n"
|
|
"MAD res.rgb, rand.rrrr, {$noise_str, $noise_str, $noise_str}, res;\n";
|
|
|
|
/**
|
|
* \brief creates and initializes helper textures needed for scaling texture read
|
|
* \param scaler scaler type to create texture for
|
|
* \param texu contains next free texture unit number
|
|
* \param texs texture unit ids for the scaler are stored in this array
|
|
*/
|
|
static void create_scaler_textures(GL *gl, int scaler, int *texu, char *texs)
|
|
{
|
|
switch (scaler) {
|
|
case YUV_SCALER_BILIN:
|
|
case YUV_SCALER_BICUB_NOTEX:
|
|
case YUV_SCALER_UNSHARP:
|
|
case YUV_SCALER_UNSHARP2:
|
|
break;
|
|
case YUV_SCALER_BICUB:
|
|
case YUV_SCALER_BICUB_X:
|
|
texs[0] = (*texu)++;
|
|
gen_spline_lookup_tex(gl, GL_TEXTURE0 + texs[0]);
|
|
texs[0] += '0';
|
|
break;
|
|
default:
|
|
mp_msg(MSGT_VO, MSGL_ERR, "[gl] unknown scaler type %i\n", scaler);
|
|
}
|
|
}
|
|
|
|
//! resolution of texture for gamma lookup table
|
|
#define LOOKUP_RES 512
|
|
//! resolution for 3D yuv->rgb conversion lookup table
|
|
#define LOOKUP_3DRES 32
|
|
/**
|
|
* \brief creates and initializes helper textures needed for yuv conversion
|
|
* \param params struct containing parameters like brightness, gamma, ...
|
|
* \param texu contains next free texture unit number
|
|
* \param texs texture unit ids for the conversion are stored in this array
|
|
*/
|
|
static void create_conv_textures(GL *gl, gl_conversion_params_t *params,
|
|
int *texu, char *texs)
|
|
{
|
|
unsigned char *lookup_data = NULL;
|
|
int conv = YUV_CONVERSION(params->type);
|
|
switch (conv) {
|
|
case YUV_CONVERSION_FRAGMENT:
|
|
case YUV_CONVERSION_FRAGMENT_POW:
|
|
break;
|
|
case YUV_CONVERSION_FRAGMENT_LOOKUP:
|
|
texs[0] = (*texu)++;
|
|
gl->ActiveTexture(GL_TEXTURE0 + texs[0]);
|
|
lookup_data = malloc(4 * LOOKUP_RES);
|
|
mp_gen_gamma_map(lookup_data, LOOKUP_RES, params->csp_params.rgamma);
|
|
mp_gen_gamma_map(&lookup_data[LOOKUP_RES], LOOKUP_RES,
|
|
params->csp_params.ggamma);
|
|
mp_gen_gamma_map(&lookup_data[2 * LOOKUP_RES], LOOKUP_RES,
|
|
params->csp_params.bgamma);
|
|
glCreateClearTex(gl, GL_TEXTURE_2D, GL_LUMINANCE8, GL_LUMINANCE,
|
|
GL_UNSIGNED_BYTE, GL_LINEAR, LOOKUP_RES, 4, 0);
|
|
glUploadTex(gl, GL_TEXTURE_2D, GL_LUMINANCE, GL_UNSIGNED_BYTE,
|
|
lookup_data, LOOKUP_RES, 0, 0, LOOKUP_RES, 4, 0);
|
|
gl->ActiveTexture(GL_TEXTURE0);
|
|
texs[0] += '0';
|
|
break;
|
|
case YUV_CONVERSION_FRAGMENT_LOOKUP3D:
|
|
{
|
|
int sz = LOOKUP_3DRES + 2; // texture size including borders
|
|
if (!gl->TexImage3D) {
|
|
mp_msg(MSGT_VO, MSGL_ERR, "[gl] Missing 3D texture function!\n");
|
|
break;
|
|
}
|
|
texs[0] = (*texu)++;
|
|
gl->ActiveTexture(GL_TEXTURE0 + texs[0]);
|
|
lookup_data = malloc(3 * sz * sz * sz);
|
|
mp_gen_yuv2rgb_map(¶ms->csp_params, lookup_data, LOOKUP_3DRES);
|
|
glAdjustAlignment(gl, sz);
|
|
gl->PixelStorei(GL_UNPACK_ROW_LENGTH, 0);
|
|
gl->TexImage3D(GL_TEXTURE_3D, 0, 3, sz, sz, sz, 1,
|
|
GL_RGB, GL_UNSIGNED_BYTE, lookup_data);
|
|
gl->TexParameterf(GL_TEXTURE_3D, GL_TEXTURE_PRIORITY, 1.0);
|
|
gl->TexParameteri(GL_TEXTURE_3D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
|
|
gl->TexParameteri(GL_TEXTURE_3D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
|
|
gl->TexParameteri(GL_TEXTURE_3D, GL_TEXTURE_WRAP_S, GL_CLAMP);
|
|
gl->TexParameteri(GL_TEXTURE_3D, GL_TEXTURE_WRAP_T, GL_CLAMP);
|
|
gl->TexParameteri(GL_TEXTURE_3D, GL_TEXTURE_WRAP_R, GL_CLAMP);
|
|
gl->ActiveTexture(GL_TEXTURE0);
|
|
texs[0] += '0';
|
|
}
|
|
break;
|
|
default:
|
|
mp_msg(MSGT_VO, MSGL_ERR, "[gl] unknown conversion type %i\n", conv);
|
|
}
|
|
free(lookup_data);
|
|
}
|
|
|
|
/**
|
|
* \brief adds a scaling texture read at the current fragment program position
|
|
* \param scaler type of scaler to insert
|
|
* \param prog pointer to fragment program so far
|
|
* \param texs array containing the texture unit identifiers for this scaler
|
|
* \param in_tex texture unit the scaler should read from
|
|
* \param out_comp component of the yuv variable the scaler stores the result in
|
|
* \param rect if rectangular (pixel) adressing should be used for in_tex
|
|
* \param texw width of the in_tex texture
|
|
* \param texh height of the in_tex texture
|
|
* \param strength strength of filter effect if the scaler does some kind of filtering
|
|
*/
|
|
static void add_scaler(int scaler, char **prog, char *texs,
|
|
char in_tex, char out_comp, int rect, int texw, int texh,
|
|
double strength)
|
|
{
|
|
const char *ttype = rect ? "RECT" : "2D";
|
|
const float ptw = rect ? 1.0 : 1.0 / texw;
|
|
const float pth = rect ? 1.0 : 1.0 / texh;
|
|
switch (scaler) {
|
|
case YUV_SCALER_BILIN:
|
|
append_template(prog, bilin_filt_template);
|
|
break;
|
|
case YUV_SCALER_BICUB:
|
|
if (rect)
|
|
append_template(prog, bicub_filt_template_RECT);
|
|
else
|
|
append_template(prog, bicub_filt_template_2D);
|
|
break;
|
|
case YUV_SCALER_BICUB_X:
|
|
if (rect)
|
|
append_template(prog, bicub_x_filt_template_RECT);
|
|
else
|
|
append_template(prog, bicub_x_filt_template_2D);
|
|
break;
|
|
case YUV_SCALER_BICUB_NOTEX:
|
|
if (rect)
|
|
append_template(prog, bicub_notex_filt_template_RECT);
|
|
else
|
|
append_template(prog, bicub_notex_filt_template_2D);
|
|
break;
|
|
case YUV_SCALER_UNSHARP:
|
|
append_template(prog, unsharp_filt_template);
|
|
break;
|
|
case YUV_SCALER_UNSHARP2:
|
|
append_template(prog, unsharp_filt_template2);
|
|
break;
|
|
}
|
|
|
|
replace_var_char(prog, "texs", texs[0]);
|
|
replace_var_char(prog, "in_tex", in_tex);
|
|
replace_var_char(prog, "out_comp", out_comp);
|
|
replace_var_str(prog, "tex_type", ttype);
|
|
replace_var_float(prog, "texw", texw);
|
|
replace_var_float(prog, "texh", texh);
|
|
replace_var_float(prog, "ptw", ptw);
|
|
replace_var_float(prog, "pth", pth);
|
|
|
|
// this is silly, not sure if that couldn't be in the shader source instead
|
|
replace_var_float(prog, "ptw_05", ptw * 0.5);
|
|
replace_var_float(prog, "pth_05", pth * 0.5);
|
|
replace_var_float(prog, "ptw_15", ptw * 1.5);
|
|
replace_var_float(prog, "pth_15", pth * 1.5);
|
|
replace_var_float(prog, "ptw_12", ptw * 1.2);
|
|
replace_var_float(prog, "pth_12", pth * 1.2);
|
|
|
|
replace_var_float(prog, "strength", strength);
|
|
}
|
|
|
|
static const struct {
|
|
const char *name;
|
|
GLenum cur;
|
|
GLenum max;
|
|
} progstats[] = {
|
|
{"instructions", 0x88A0, 0x88A1},
|
|
{"native instructions", 0x88A2, 0x88A3},
|
|
{"temporaries", 0x88A4, 0x88A5},
|
|
{"native temporaries", 0x88A6, 0x88A7},
|
|
{"parameters", 0x88A8, 0x88A9},
|
|
{"native parameters", 0x88AA, 0x88AB},
|
|
{"attribs", 0x88AC, 0x88AD},
|
|
{"native attribs", 0x88AE, 0x88AF},
|
|
{"ALU instructions", 0x8805, 0x880B},
|
|
{"TEX instructions", 0x8806, 0x880C},
|
|
{"TEX indirections", 0x8807, 0x880D},
|
|
{"native ALU instructions", 0x8808, 0x880E},
|
|
{"native TEX instructions", 0x8809, 0x880F},
|
|
{"native TEX indirections", 0x880A, 0x8810},
|
|
{NULL, 0, 0}
|
|
};
|
|
|
|
/**
|
|
* \brief load the specified GPU Program
|
|
* \param target program target to load into, only GL_FRAGMENT_PROGRAM is tested
|
|
* \param prog program string
|
|
* \return 1 on success, 0 otherwise
|
|
*/
|
|
int loadGPUProgram(GL *gl, GLenum target, char *prog)
|
|
{
|
|
int i;
|
|
GLint cur = 0, max = 0, err = 0;
|
|
if (!gl->ProgramString) {
|
|
mp_msg(MSGT_VO, MSGL_ERR, "[gl] Missing GPU program function\n");
|
|
return 0;
|
|
}
|
|
gl->ProgramString(target, GL_PROGRAM_FORMAT_ASCII, strlen(prog), prog);
|
|
gl->GetIntegerv(GL_PROGRAM_ERROR_POSITION, &err);
|
|
if (err != -1) {
|
|
mp_msg(MSGT_VO, MSGL_ERR,
|
|
"[gl] Error compiling fragment program, make sure your card supports\n"
|
|
"[gl] GL_ARB_fragment_program (use glxinfo to check).\n"
|
|
"[gl] Error message:\n %s at %.10s\n",
|
|
gl->GetString(GL_PROGRAM_ERROR_STRING), &prog[err]);
|
|
return 0;
|
|
}
|
|
if (!gl->GetProgramivARB || !mp_msg_test(MSGT_VO, MSGL_DBG2))
|
|
return 1;
|
|
mp_msg(MSGT_VO, MSGL_V, "[gl] Program statistics:\n");
|
|
for (i = 0; progstats[i].name; i++) {
|
|
gl->GetProgramivARB(target, progstats[i].cur, &cur);
|
|
gl->GetProgramivARB(target, progstats[i].max, &max);
|
|
mp_msg(MSGT_VO, MSGL_V, "[gl] %s: %i/%i\n", progstats[i].name, cur,
|
|
max);
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
#define MAX_PROGSZ (1024 * 1024)
|
|
|
|
/**
|
|
* \brief setup a fragment program that will do YUV->RGB conversion
|
|
* \param parms struct containing parameters like conversion and scaler type,
|
|
* brightness, ...
|
|
*/
|
|
static void glSetupYUVFragprog(GL *gl, gl_conversion_params_t *params)
|
|
{
|
|
int type = params->type;
|
|
int texw = params->texw;
|
|
int texh = params->texh;
|
|
int rect = params->target == GL_TEXTURE_RECTANGLE;
|
|
static const char prog_hdr[] =
|
|
"!!ARBfp1.0\n"
|
|
"OPTION ARB_precision_hint_fastest;\n"
|
|
// all scaler variables must go here so they aren't defined
|
|
// multiple times when the same scaler is used more than once
|
|
"TEMP coord, coord2, cdelta, parmx, parmy, a, b, yuv, textemp;\n";
|
|
char *yuv_prog = NULL;
|
|
char **prog = &yuv_prog;
|
|
int cur_texu = 3;
|
|
char lum_scale_texs[1];
|
|
char chrom_scale_texs[1];
|
|
char conv_texs[1];
|
|
char filt_texs[1] = {0};
|
|
GLint i;
|
|
// this is the conversion matrix, with y, u, v factors
|
|
// for red, green, blue and the constant offsets
|
|
float yuv2rgb[3][4];
|
|
int noise = params->noise_strength != 0;
|
|
create_conv_textures(gl, params, &cur_texu, conv_texs);
|
|
create_scaler_textures(gl, YUV_LUM_SCALER(type), &cur_texu, lum_scale_texs);
|
|
if (YUV_CHROM_SCALER(type) == YUV_LUM_SCALER(type))
|
|
memcpy(chrom_scale_texs, lum_scale_texs, sizeof(chrom_scale_texs));
|
|
else
|
|
create_scaler_textures(gl, YUV_CHROM_SCALER(type), &cur_texu,
|
|
chrom_scale_texs);
|
|
|
|
if (noise) {
|
|
gen_noise_lookup_tex(gl, cur_texu);
|
|
filt_texs[0] = '0' + cur_texu++;
|
|
}
|
|
|
|
gl->GetIntegerv(GL_MAX_TEXTURE_IMAGE_UNITS, &i);
|
|
if (i < cur_texu)
|
|
mp_msg(MSGT_VO, MSGL_ERR,
|
|
"[gl] %i texture units needed for this type of YUV fragment support (found %i)\n",
|
|
cur_texu, i);
|
|
if (!gl->ProgramString) {
|
|
mp_msg(MSGT_VO, MSGL_FATAL, "[gl] ProgramString function missing!\n");
|
|
return;
|
|
}
|
|
append_template(prog, prog_hdr);
|
|
add_scaler(YUV_LUM_SCALER(type), prog, lum_scale_texs,
|
|
'0', 'r', rect, texw, texh, params->filter_strength);
|
|
add_scaler(YUV_CHROM_SCALER(type), prog,
|
|
chrom_scale_texs, '1', 'g', rect, params->chrom_texw,
|
|
params->chrom_texh, params->filter_strength);
|
|
add_scaler(YUV_CHROM_SCALER(type), prog,
|
|
chrom_scale_texs, '2', 'b', rect, params->chrom_texw,
|
|
params->chrom_texh, params->filter_strength);
|
|
mp_get_yuv2rgb_coeffs(¶ms->csp_params, yuv2rgb);
|
|
switch (YUV_CONVERSION(type)) {
|
|
case YUV_CONVERSION_FRAGMENT:
|
|
append_template(prog, yuv_prog_template);
|
|
break;
|
|
case YUV_CONVERSION_FRAGMENT_POW:
|
|
append_template(prog, yuv_pow_prog_template);
|
|
break;
|
|
case YUV_CONVERSION_FRAGMENT_LOOKUP:
|
|
append_template(prog, yuv_lookup_prog_template);
|
|
break;
|
|
case YUV_CONVERSION_FRAGMENT_LOOKUP3D:
|
|
append_template(prog, yuv_lookup3d_prog_template);
|
|
break;
|
|
default:
|
|
mp_msg(MSGT_VO, MSGL_ERR, "[gl] unknown conversion type %i\n",
|
|
YUV_CONVERSION(type));
|
|
break;
|
|
}
|
|
for (int r = 0; r < 3; r++) {
|
|
for (int c = 0; c < 4; c++) {
|
|
// "cmRC"
|
|
char var[] = { 'c', 'm', '1' + r, '1' + c, '\0' };
|
|
replace_var_float(prog, var, yuv2rgb[r][c]);
|
|
}
|
|
}
|
|
replace_var_float(prog, "gamma_r", (float)1.0 / params->csp_params.rgamma);
|
|
replace_var_float(prog, "gamma_g", (float)1.0 / params->csp_params.ggamma);
|
|
replace_var_float(prog, "gamma_b", (float)1.0 / params->csp_params.bgamma);
|
|
replace_var_char(prog, "conv_tex0", conv_texs[0]);
|
|
|
|
if (noise) {
|
|
// 1.0 strength is suitable for dithering 8 to 6 bit
|
|
double str = params->noise_strength * (1.0 / 64);
|
|
double scale_x = (double)NOISE_RES / texw;
|
|
double scale_y = (double)NOISE_RES / texh;
|
|
if (rect) {
|
|
scale_x /= texw;
|
|
scale_y /= texh;
|
|
}
|
|
append_template(prog, noise_filt_template);
|
|
replace_var_float(prog, "noise_sx", scale_x);
|
|
replace_var_float(prog, "noise_sy", scale_y);
|
|
replace_var_char(prog, "noise_filt_tex", filt_texs[0]);
|
|
replace_var_float(prog, "noise_str", str);
|
|
}
|
|
|
|
append_template(prog, "MOV result.color.rgb, res;\nEND");
|
|
|
|
mp_msg(MSGT_VO, MSGL_DBG2, "[gl] generated fragment program:\n%s\n",
|
|
yuv_prog);
|
|
loadGPUProgram(gl, GL_FRAGMENT_PROGRAM, yuv_prog);
|
|
talloc_free(yuv_prog);
|
|
}
|
|
|
|
/**
|
|
* \brief detect the best YUV->RGB conversion method available
|
|
*/
|
|
int glAutodetectYUVConversion(GL *gl)
|
|
{
|
|
const char *extensions = gl->GetString(GL_EXTENSIONS);
|
|
if (!extensions || !gl->MultiTexCoord2f)
|
|
return YUV_CONVERSION_NONE;
|
|
if (strstr(extensions, "GL_ARB_fragment_program"))
|
|
return YUV_CONVERSION_FRAGMENT;
|
|
if (strstr(extensions, "GL_ATI_text_fragment_shader"))
|
|
return YUV_CONVERSION_TEXT_FRAGMENT;
|
|
if (strstr(extensions, "GL_ATI_fragment_shader"))
|
|
return YUV_CONVERSION_COMBINERS_ATI;
|
|
return YUV_CONVERSION_NONE;
|
|
}
|
|
|
|
/**
|
|
* \brief setup YUV->RGB conversion
|
|
* \param parms struct containing parameters like conversion and scaler type,
|
|
* brightness, ...
|
|
* \ingroup glconversion
|
|
*/
|
|
void glSetupYUVConversion(GL *gl, gl_conversion_params_t *params)
|
|
{
|
|
if (params->chrom_texw == 0)
|
|
params->chrom_texw = 1;
|
|
if (params->chrom_texh == 0)
|
|
params->chrom_texh = 1;
|
|
switch (YUV_CONVERSION(params->type)) {
|
|
case YUV_CONVERSION_COMBINERS_ATI:
|
|
glSetupYUVFragmentATI(gl, ¶ms->csp_params, 0);
|
|
break;
|
|
case YUV_CONVERSION_TEXT_FRAGMENT:
|
|
glSetupYUVFragmentATI(gl, ¶ms->csp_params, 1);
|
|
break;
|
|
case YUV_CONVERSION_FRAGMENT_LOOKUP:
|
|
case YUV_CONVERSION_FRAGMENT_LOOKUP3D:
|
|
case YUV_CONVERSION_FRAGMENT:
|
|
case YUV_CONVERSION_FRAGMENT_POW:
|
|
glSetupYUVFragprog(gl, params);
|
|
break;
|
|
case YUV_CONVERSION_NONE:
|
|
break;
|
|
default:
|
|
mp_msg(MSGT_VO, MSGL_ERR, "[gl] unknown conversion type %i\n",
|
|
YUV_CONVERSION(params->type));
|
|
}
|
|
}
|
|
|
|
/**
|
|
* \brief enable the specified YUV conversion
|
|
* \param target texture target for Y, U and V textures (e.g. GL_TEXTURE_2D)
|
|
* \param type type of YUV conversion
|
|
* \ingroup glconversion
|
|
*/
|
|
void glEnableYUVConversion(GL *gl, GLenum target, int type)
|
|
{
|
|
switch (YUV_CONVERSION(type)) {
|
|
case YUV_CONVERSION_COMBINERS_ATI:
|
|
gl->ActiveTexture(GL_TEXTURE1);
|
|
gl->Enable(target);
|
|
gl->ActiveTexture(GL_TEXTURE2);
|
|
gl->Enable(target);
|
|
gl->ActiveTexture(GL_TEXTURE0);
|
|
gl->Enable(GL_FRAGMENT_SHADER_ATI);
|
|
break;
|
|
case YUV_CONVERSION_TEXT_FRAGMENT:
|
|
gl->ActiveTexture(GL_TEXTURE1);
|
|
gl->Enable(target);
|
|
gl->ActiveTexture(GL_TEXTURE2);
|
|
gl->Enable(target);
|
|
gl->ActiveTexture(GL_TEXTURE0);
|
|
gl->Enable(GL_TEXT_FRAGMENT_SHADER_ATI);
|
|
break;
|
|
case YUV_CONVERSION_FRAGMENT_LOOKUP3D:
|
|
case YUV_CONVERSION_FRAGMENT_LOOKUP:
|
|
case YUV_CONVERSION_FRAGMENT_POW:
|
|
case YUV_CONVERSION_FRAGMENT:
|
|
case YUV_CONVERSION_NONE:
|
|
gl->Enable(GL_FRAGMENT_PROGRAM);
|
|
break;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* \brief disable the specified YUV conversion
|
|
* \param target texture target for Y, U and V textures (e.g. GL_TEXTURE_2D)
|
|
* \param type type of YUV conversion
|
|
* \ingroup glconversion
|
|
*/
|
|
void glDisableYUVConversion(GL *gl, GLenum target, int type)
|
|
{
|
|
switch (YUV_CONVERSION(type)) {
|
|
case YUV_CONVERSION_COMBINERS_ATI:
|
|
gl->ActiveTexture(GL_TEXTURE1);
|
|
gl->Disable(target);
|
|
gl->ActiveTexture(GL_TEXTURE2);
|
|
gl->Disable(target);
|
|
gl->ActiveTexture(GL_TEXTURE0);
|
|
gl->Disable(GL_FRAGMENT_SHADER_ATI);
|
|
break;
|
|
case YUV_CONVERSION_TEXT_FRAGMENT:
|
|
gl->Disable(GL_TEXT_FRAGMENT_SHADER_ATI);
|
|
// HACK: at least the Mac OS X 10.5 PPC Radeon drivers are broken and
|
|
// without this disable the texture units while the program is still
|
|
// running (10.4 PPC seems to work without this though).
|
|
gl->Flush();
|
|
gl->ActiveTexture(GL_TEXTURE1);
|
|
gl->Disable(target);
|
|
gl->ActiveTexture(GL_TEXTURE2);
|
|
gl->Disable(target);
|
|
gl->ActiveTexture(GL_TEXTURE0);
|
|
break;
|
|
case YUV_CONVERSION_FRAGMENT_LOOKUP3D:
|
|
case YUV_CONVERSION_FRAGMENT_LOOKUP:
|
|
case YUV_CONVERSION_FRAGMENT_POW:
|
|
case YUV_CONVERSION_FRAGMENT:
|
|
case YUV_CONVERSION_NONE:
|
|
gl->Disable(GL_FRAGMENT_PROGRAM);
|
|
break;
|
|
}
|
|
}
|
|
|
|
void glEnable3DLeft(GL *gl, int type)
|
|
{
|
|
GLint buffer;
|
|
switch (type) {
|
|
case GL_3D_RED_CYAN:
|
|
gl->ColorMask(GL_TRUE, GL_FALSE, GL_FALSE, GL_FALSE);
|
|
break;
|
|
case GL_3D_GREEN_MAGENTA:
|
|
gl->ColorMask(GL_FALSE, GL_TRUE, GL_FALSE, GL_FALSE);
|
|
break;
|
|
case GL_3D_QUADBUFFER:
|
|
gl->GetIntegerv(GL_DRAW_BUFFER, &buffer);
|
|
switch (buffer) {
|
|
case GL_FRONT:
|
|
case GL_FRONT_LEFT:
|
|
case GL_FRONT_RIGHT:
|
|
buffer = GL_FRONT_LEFT;
|
|
break;
|
|
case GL_BACK:
|
|
case GL_BACK_LEFT:
|
|
case GL_BACK_RIGHT:
|
|
buffer = GL_BACK_LEFT;
|
|
break;
|
|
}
|
|
gl->DrawBuffer(buffer);
|
|
break;
|
|
}
|
|
}
|
|
|
|
void glEnable3DRight(GL *gl, int type)
|
|
{
|
|
GLint buffer;
|
|
switch (type) {
|
|
case GL_3D_RED_CYAN:
|
|
gl->ColorMask(GL_FALSE, GL_TRUE, GL_TRUE, GL_FALSE);
|
|
break;
|
|
case GL_3D_GREEN_MAGENTA:
|
|
gl->ColorMask(GL_TRUE, GL_FALSE, GL_TRUE, GL_FALSE);
|
|
break;
|
|
case GL_3D_QUADBUFFER:
|
|
gl->GetIntegerv(GL_DRAW_BUFFER, &buffer);
|
|
switch (buffer) {
|
|
case GL_FRONT:
|
|
case GL_FRONT_LEFT:
|
|
case GL_FRONT_RIGHT:
|
|
buffer = GL_FRONT_RIGHT;
|
|
break;
|
|
case GL_BACK:
|
|
case GL_BACK_LEFT:
|
|
case GL_BACK_RIGHT:
|
|
buffer = GL_BACK_RIGHT;
|
|
break;
|
|
}
|
|
gl->DrawBuffer(buffer);
|
|
break;
|
|
}
|
|
}
|
|
|
|
void glDisable3D(GL *gl, int type)
|
|
{
|
|
GLint buffer;
|
|
switch (type) {
|
|
case GL_3D_RED_CYAN:
|
|
case GL_3D_GREEN_MAGENTA:
|
|
gl->ColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE);
|
|
break;
|
|
case GL_3D_QUADBUFFER:
|
|
gl->DrawBuffer(vo_doublebuffering ? GL_BACK : GL_FRONT);
|
|
gl->GetIntegerv(GL_DRAW_BUFFER, &buffer);
|
|
switch (buffer) {
|
|
case GL_FRONT:
|
|
case GL_FRONT_LEFT:
|
|
case GL_FRONT_RIGHT:
|
|
buffer = GL_FRONT;
|
|
break;
|
|
case GL_BACK:
|
|
case GL_BACK_LEFT:
|
|
case GL_BACK_RIGHT:
|
|
buffer = GL_BACK;
|
|
break;
|
|
}
|
|
gl->DrawBuffer(buffer);
|
|
break;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* \brief draw a texture part at given 2D coordinates
|
|
* \param x screen top coordinate
|
|
* \param y screen left coordinate
|
|
* \param w screen width coordinate
|
|
* \param h screen height coordinate
|
|
* \param tx texture top coordinate in pixels
|
|
* \param ty texture left coordinate in pixels
|
|
* \param tw texture part width in pixels
|
|
* \param th texture part height in pixels
|
|
* \param sx width of texture in pixels
|
|
* \param sy height of texture in pixels
|
|
* \param rect_tex whether this texture uses texture_rectangle extension
|
|
* \param is_yv12 if != 0, also draw the textures from units 1 and 2,
|
|
* bits 8 - 15 and 16 - 23 specify the x and y scaling of those textures
|
|
* \param flip flip the texture upside down
|
|
* \ingroup gltexture
|
|
*/
|
|
void glDrawTex(GL *gl, GLfloat x, GLfloat y, GLfloat w, GLfloat h,
|
|
GLfloat tx, GLfloat ty, GLfloat tw, GLfloat th,
|
|
int sx, int sy, int rect_tex, int is_yv12, int flip)
|
|
{
|
|
int chroma_x_shift = (is_yv12 >> 8) & 31;
|
|
int chroma_y_shift = (is_yv12 >> 16) & 31;
|
|
GLfloat xscale = 1 << chroma_x_shift;
|
|
GLfloat yscale = 1 << chroma_y_shift;
|
|
GLfloat tx2 = tx / xscale, ty2 = ty / yscale, tw2 = tw / xscale, th2 = th / yscale;
|
|
if (!rect_tex) {
|
|
tx /= sx;
|
|
ty /= sy;
|
|
tw /= sx;
|
|
th /= sy;
|
|
tx2 = tx, ty2 = ty, tw2 = tw, th2 = th;
|
|
}
|
|
if (flip) {
|
|
y += h;
|
|
h = -h;
|
|
}
|
|
gl->Begin(GL_QUADS);
|
|
gl->TexCoord2f(tx, ty);
|
|
if (is_yv12) {
|
|
gl->MultiTexCoord2f(GL_TEXTURE1, tx2, ty2);
|
|
gl->MultiTexCoord2f(GL_TEXTURE2, tx2, ty2);
|
|
}
|
|
gl->Vertex2f(x, y);
|
|
gl->TexCoord2f(tx, ty + th);
|
|
if (is_yv12) {
|
|
gl->MultiTexCoord2f(GL_TEXTURE1, tx2, ty2 + th2);
|
|
gl->MultiTexCoord2f(GL_TEXTURE2, tx2, ty2 + th2);
|
|
}
|
|
gl->Vertex2f(x, y + h);
|
|
gl->TexCoord2f(tx + tw, ty + th);
|
|
if (is_yv12) {
|
|
gl->MultiTexCoord2f(GL_TEXTURE1, tx2 + tw2, ty2 + th2);
|
|
gl->MultiTexCoord2f(GL_TEXTURE2, tx2 + tw2, ty2 + th2);
|
|
}
|
|
gl->Vertex2f(x + w, y + h);
|
|
gl->TexCoord2f(tx + tw, ty);
|
|
if (is_yv12) {
|
|
gl->MultiTexCoord2f(GL_TEXTURE1, tx2 + tw2, ty2);
|
|
gl->MultiTexCoord2f(GL_TEXTURE2, tx2 + tw2, ty2);
|
|
}
|
|
gl->Vertex2f(x + w, y);
|
|
gl->End();
|
|
}
|
|
|
|
#ifdef CONFIG_GL_COCOA
|
|
#include "cocoa_common.h"
|
|
static int create_window_cocoa(struct MPGLContext *ctx, uint32_t d_width,
|
|
uint32_t d_height, uint32_t flags)
|
|
{
|
|
if (vo_cocoa_create_window(ctx->vo, d_width, d_height, flags, 0) == 0) {
|
|
return SET_WINDOW_OK;
|
|
} else {
|
|
return SET_WINDOW_FAILED;
|
|
}
|
|
}
|
|
|
|
static int create_window_cocoa_gl3(struct MPGLContext *ctx, int gl_flags,
|
|
int gl_version, uint32_t d_width,
|
|
uint32_t d_height, uint32_t flags)
|
|
{
|
|
int rv = vo_cocoa_create_window(ctx->vo, d_width, d_height, flags, 1);
|
|
getFunctions(ctx->gl, (void *)vo_cocoa_glgetaddr, NULL, true);
|
|
return rv;
|
|
}
|
|
|
|
static int setGlWindow_cocoa(MPGLContext *ctx)
|
|
{
|
|
vo_cocoa_change_attributes(ctx->vo);
|
|
getFunctions(ctx->gl, (void *)vo_cocoa_glgetaddr, NULL, false);
|
|
if (!ctx->gl->SwapInterval)
|
|
ctx->gl->SwapInterval = vo_cocoa_swap_interval;
|
|
return SET_WINDOW_OK;
|
|
}
|
|
|
|
static void releaseGlContext_cocoa(MPGLContext *ctx)
|
|
{
|
|
}
|
|
|
|
static void swapGlBuffers_cocoa(MPGLContext *ctx)
|
|
{
|
|
vo_cocoa_swap_buffers();
|
|
}
|
|
|
|
static int cocoa_check_events(struct vo *vo)
|
|
{
|
|
return vo_cocoa_check_events(vo);
|
|
}
|
|
|
|
static void cocoa_update_xinerama_info(struct vo *vo)
|
|
{
|
|
vo_cocoa_update_xinerama_info(vo);
|
|
}
|
|
|
|
static void cocoa_fullscreen(struct vo *vo)
|
|
{
|
|
vo_cocoa_fullscreen(vo);
|
|
}
|
|
#endif
|
|
|
|
#ifdef CONFIG_GL_WIN32
|
|
#include <windows.h>
|
|
#include "w32_common.h"
|
|
|
|
struct w32_context {
|
|
int vinfo;
|
|
HGLRC context;
|
|
};
|
|
|
|
static int create_window_w32(struct MPGLContext *ctx, uint32_t d_width,
|
|
uint32_t d_height, uint32_t flags)
|
|
{
|
|
if (!vo_w32_config(ctx->vo, d_width, d_height, flags))
|
|
return -1;
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* \brief little helper since wglGetProcAddress definition does not fit our
|
|
* getProcAddress
|
|
* \param procName name of function to look up
|
|
* \return function pointer returned by wglGetProcAddress
|
|
*/
|
|
static void *w32gpa(const GLubyte *procName)
|
|
{
|
|
HMODULE oglmod;
|
|
void *res = wglGetProcAddress(procName);
|
|
if (res)
|
|
return res;
|
|
oglmod = GetModuleHandle("opengl32.dll");
|
|
return GetProcAddress(oglmod, procName);
|
|
}
|
|
|
|
static int create_window_w32_gl3(struct MPGLContext *ctx, int gl_flags,
|
|
int gl_version, uint32_t d_width,
|
|
uint32_t d_height, uint32_t flags) {
|
|
if (!vo_w32_config(ctx->vo, d_width, d_height, flags))
|
|
return -1;
|
|
|
|
struct w32_context *w32_ctx = ctx->priv;
|
|
HGLRC *context = &w32_ctx->context;
|
|
|
|
if (*context) // reuse existing context
|
|
return 0; // not reusing it breaks gl3!
|
|
|
|
HWND win = ctx->vo->w32->window;
|
|
HDC windc = vo_w32_get_dc(ctx->vo, win);
|
|
HGLRC new_context = 0;
|
|
|
|
new_context = wglCreateContext(windc);
|
|
if (!new_context) {
|
|
mp_msg(MSGT_VO, MSGL_FATAL, "[gl] Could not create GL context!\n");
|
|
return -1;
|
|
}
|
|
|
|
// set context
|
|
if (!wglMakeCurrent(windc, new_context)) {
|
|
mp_msg(MSGT_VO, MSGL_FATAL, "[gl] Could not set GL context!\n");
|
|
goto out;
|
|
}
|
|
|
|
const char *(GLAPIENTRY *wglGetExtensionsStringARB)(HDC hdc)
|
|
= w32gpa((const GLubyte*)"wglGetExtensionsStringARB");
|
|
|
|
if (!wglGetExtensionsStringARB)
|
|
goto unsupported;
|
|
|
|
const char *wgl_exts = wglGetExtensionsStringARB(windc);
|
|
if (!strstr(wgl_exts, "WGL_ARB_create_context"))
|
|
goto unsupported;
|
|
|
|
HGLRC (GLAPIENTRY *wglCreateContextAttribsARB)(HDC hDC, HGLRC hShareContext,
|
|
const int *attribList)
|
|
= w32gpa((const GLubyte*)"wglCreateContextAttribsARB");
|
|
|
|
if (!wglCreateContextAttribsARB)
|
|
goto unsupported;
|
|
|
|
int attribs[] = {
|
|
WGL_CONTEXT_MAJOR_VERSION_ARB, MPGL_VER_GET_MAJOR(gl_version),
|
|
WGL_CONTEXT_MINOR_VERSION_ARB, MPGL_VER_GET_MINOR(gl_version),
|
|
WGL_CONTEXT_FLAGS_ARB, WGL_CONTEXT_FORWARD_COMPATIBLE_BIT_ARB,
|
|
WGL_CONTEXT_PROFILE_MASK_ARB, WGL_CONTEXT_CORE_PROFILE_BIT_ARB,
|
|
0
|
|
};
|
|
|
|
*context = wglCreateContextAttribsARB(windc, 0, attribs);
|
|
if (! *context) {
|
|
// NVidia, instead of ignoring WGL_CONTEXT_FLAGS_ARB, will error out if
|
|
// it's present on pre-3.2 contexts.
|
|
// Remove it from attribs and retry the context creation.
|
|
attribs[6] = attribs[7] = 0;
|
|
*context = wglCreateContextAttribsARB(windc, 0, attribs);
|
|
}
|
|
if (! *context) {
|
|
int err = GetLastError();
|
|
mp_msg(MSGT_VO, MSGL_FATAL, "[gl] Could not create an OpenGL 3.x"
|
|
" context: error 0x%x\n", err);
|
|
goto out;
|
|
}
|
|
|
|
wglMakeCurrent(NULL, NULL);
|
|
wglDeleteContext(new_context);
|
|
|
|
if (!wglMakeCurrent(windc, *context)) {
|
|
mp_msg(MSGT_VO, MSGL_FATAL, "[gl] Could not set GL3 context!\n");
|
|
wglDeleteContext(*context);
|
|
return -1;
|
|
}
|
|
|
|
/* update function pointers */
|
|
getFunctions(ctx->gl, w32gpa, NULL, true);
|
|
|
|
int pfmt = GetPixelFormat(windc);
|
|
PIXELFORMATDESCRIPTOR pfd;
|
|
if (DescribePixelFormat(windc, pfmt, sizeof(PIXELFORMATDESCRIPTOR), &pfd)) {
|
|
ctx->depth_r = pfd.cRedBits;
|
|
ctx->depth_g = pfd.cGreenBits;
|
|
ctx->depth_b = pfd.cBlueBits;
|
|
}
|
|
|
|
return 0;
|
|
|
|
unsupported:
|
|
mp_msg(MSGT_VO, MSGL_ERR, "[gl] The current OpenGL implementation does"
|
|
" not support OpenGL 3.x \n");
|
|
out:
|
|
wglDeleteContext(new_context);
|
|
return -1;
|
|
}
|
|
|
|
static int setGlWindow_w32(MPGLContext *ctx)
|
|
{
|
|
HWND win = ctx->vo->w32->window;
|
|
struct w32_context *w32_ctx = ctx->priv;
|
|
int *vinfo = &w32_ctx->vinfo;
|
|
HGLRC *context = &w32_ctx->context;
|
|
int new_vinfo;
|
|
HDC windc = vo_w32_get_dc(ctx->vo, win);
|
|
HGLRC new_context = 0;
|
|
int keep_context = 0;
|
|
int res = SET_WINDOW_FAILED;
|
|
GL *gl = ctx->gl;
|
|
|
|
// should only be needed when keeping context, but not doing glFinish
|
|
// can cause flickering even when we do not keep it.
|
|
if (*context)
|
|
gl->Finish();
|
|
new_vinfo = GetPixelFormat(windc);
|
|
if (*context && *vinfo && new_vinfo && *vinfo == new_vinfo) {
|
|
// we can keep the wglContext
|
|
new_context = *context;
|
|
keep_context = 1;
|
|
} else {
|
|
// create a context
|
|
new_context = wglCreateContext(windc);
|
|
if (!new_context) {
|
|
mp_msg(MSGT_VO, MSGL_FATAL, "[gl] Could not create GL context!\n");
|
|
goto out;
|
|
}
|
|
}
|
|
|
|
// set context
|
|
if (!wglMakeCurrent(windc, new_context)) {
|
|
mp_msg(MSGT_VO, MSGL_FATAL, "[gl] Could not set GL context!\n");
|
|
if (!keep_context)
|
|
wglDeleteContext(new_context);
|
|
goto out;
|
|
}
|
|
|
|
// set new values
|
|
{
|
|
RECT rect;
|
|
GetClientRect(win, &rect);
|
|
ctx->vo->dwidth = rect.right;
|
|
ctx->vo->dheight = rect.bottom;
|
|
}
|
|
if (!keep_context) {
|
|
if (*context)
|
|
wglDeleteContext(*context);
|
|
*context = new_context;
|
|
*vinfo = new_vinfo;
|
|
|
|
getFunctions(ctx->gl, w32gpa, NULL, false);
|
|
|
|
// and inform that reinit is neccessary
|
|
res = SET_WINDOW_REINIT;
|
|
} else
|
|
res = SET_WINDOW_OK;
|
|
|
|
out:
|
|
vo_w32_release_dc(ctx->vo, win, windc);
|
|
return res;
|
|
}
|
|
|
|
static void releaseGlContext_w32(MPGLContext *ctx)
|
|
{
|
|
struct w32_context *w32_ctx = ctx->priv;
|
|
int *vinfo = &w32_ctx->vinfo;
|
|
HGLRC *context = &w32_ctx->context;
|
|
*vinfo = 0;
|
|
if (*context) {
|
|
wglMakeCurrent(0, 0);
|
|
wglDeleteContext(*context);
|
|
}
|
|
*context = 0;
|
|
}
|
|
|
|
static void swapGlBuffers_w32(MPGLContext *ctx)
|
|
{
|
|
HDC vo_hdc = vo_w32_get_dc(ctx->vo, ctx->vo->w32->window);
|
|
SwapBuffers(vo_hdc);
|
|
vo_w32_release_dc(ctx->vo, ctx->vo->w32->window, vo_hdc);
|
|
}
|
|
#endif
|
|
|
|
#ifdef CONFIG_GL_X11
|
|
#include <X11/Xlib.h>
|
|
#include <GL/glx.h>
|
|
#include "x11_common.h"
|
|
|
|
struct glx_context {
|
|
XVisualInfo *vinfo;
|
|
GLXContext context;
|
|
};
|
|
|
|
static int create_window_x11(struct MPGLContext *ctx, uint32_t d_width,
|
|
uint32_t d_height, uint32_t flags)
|
|
{
|
|
struct vo *vo = ctx->vo;
|
|
|
|
static int default_glx_attribs[] = {
|
|
GLX_RGBA, GLX_RED_SIZE, 1, GLX_GREEN_SIZE, 1, GLX_BLUE_SIZE, 1,
|
|
GLX_DOUBLEBUFFER, None
|
|
};
|
|
static int stereo_glx_attribs[] = {
|
|
GLX_RGBA, GLX_RED_SIZE, 1, GLX_GREEN_SIZE, 1, GLX_BLUE_SIZE, 1,
|
|
GLX_DOUBLEBUFFER, GLX_STEREO, None
|
|
};
|
|
XVisualInfo *vinfo = NULL;
|
|
if (flags & VOFLAG_STEREO) {
|
|
vinfo = glXChooseVisual(vo->x11->display, vo->x11->screen,
|
|
stereo_glx_attribs);
|
|
if (!vinfo)
|
|
mp_msg(MSGT_VO, MSGL_ERR, "[gl] Could not find a stereo visual,"
|
|
" 3D will probably not work!\n");
|
|
}
|
|
if (!vinfo)
|
|
vinfo = glXChooseVisual(vo->x11->display, vo->x11->screen,
|
|
default_glx_attribs);
|
|
if (!vinfo) {
|
|
mp_msg(MSGT_VO, MSGL_ERR, "[gl] no GLX support present\n");
|
|
return -1;
|
|
}
|
|
mp_msg(MSGT_VO, MSGL_V, "[gl] GLX chose visual with ID 0x%x\n",
|
|
(int)vinfo->visualid);
|
|
|
|
Colormap colormap = XCreateColormap(vo->x11->display, vo->x11->rootwin,
|
|
vinfo->visual, AllocNone);
|
|
vo_x11_create_vo_window(vo, vinfo, vo->dx, vo->dy, d_width, d_height,
|
|
flags, colormap, "gl");
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* \brief Returns the XVisualInfo associated with Window win.
|
|
* \param win Window whose XVisualInfo is returne.
|
|
* \return XVisualInfo of the window. Caller must use XFree to free it.
|
|
*/
|
|
static XVisualInfo *getWindowVisualInfo(MPGLContext *ctx, Window win)
|
|
{
|
|
XWindowAttributes xw_attr;
|
|
XVisualInfo vinfo_template;
|
|
int tmp;
|
|
XGetWindowAttributes(ctx->vo->x11->display, win, &xw_attr);
|
|
vinfo_template.visualid = XVisualIDFromVisual(xw_attr.visual);
|
|
return XGetVisualInfo(ctx->vo->x11->display, VisualIDMask, &vinfo_template, &tmp);
|
|
}
|
|
|
|
/**
|
|
* \brief Changes the window in which video is displayed.
|
|
* If possible only transfers the context to the new window, otherwise
|
|
* creates a new one, which must be initialized by the caller.
|
|
* \param vinfo Currently used visual.
|
|
* \param context Currently used context.
|
|
* \param win window that should be used for drawing.
|
|
* \return one of SET_WINDOW_FAILED, SET_WINDOW_OK or SET_WINDOW_REINIT.
|
|
* In case of SET_WINDOW_REINIT the context could not be transfered
|
|
* and the caller must initialize it correctly.
|
|
* \ingroup glcontext
|
|
*/
|
|
static int setGlWindow_x11(MPGLContext *ctx)
|
|
{
|
|
struct glx_context *glx_context = ctx->priv;
|
|
XVisualInfo **vinfo = &glx_context->vinfo;
|
|
GLXContext *context = &glx_context->context;
|
|
Display *display = ctx->vo->x11->display;
|
|
Window win = ctx->vo->x11->window;
|
|
XVisualInfo *new_vinfo;
|
|
GLXContext new_context = NULL;
|
|
int keep_context = 0;
|
|
GL *gl = ctx->gl;
|
|
|
|
// should only be needed when keeping context, but not doing glFinish
|
|
// can cause flickering even when we do not keep it.
|
|
if (*context)
|
|
gl->Finish();
|
|
new_vinfo = getWindowVisualInfo(ctx, win);
|
|
if (*context && *vinfo && new_vinfo &&
|
|
(*vinfo)->visualid == new_vinfo->visualid) {
|
|
// we can keep the GLXContext
|
|
new_context = *context;
|
|
XFree(new_vinfo);
|
|
new_vinfo = *vinfo;
|
|
keep_context = 1;
|
|
} else {
|
|
// create a context
|
|
new_context = glXCreateContext(display, new_vinfo, NULL, True);
|
|
if (!new_context) {
|
|
mp_msg(MSGT_VO, MSGL_FATAL, "[gl] Could not create GLX context!\n");
|
|
XFree(new_vinfo);
|
|
return SET_WINDOW_FAILED;
|
|
}
|
|
}
|
|
|
|
// set context
|
|
if (!glXMakeCurrent(display, ctx->vo->x11->window, new_context)) {
|
|
mp_msg(MSGT_VO, MSGL_FATAL, "[gl] Could not set GLX context!\n");
|
|
if (!keep_context) {
|
|
glXDestroyContext(display, new_context);
|
|
XFree(new_vinfo);
|
|
}
|
|
return SET_WINDOW_FAILED;
|
|
}
|
|
|
|
// set new values
|
|
ctx->vo->x11->window = win;
|
|
vo_x11_update_geometry(ctx->vo, 1);
|
|
if (!keep_context) {
|
|
void *(*getProcAddress)(const GLubyte *);
|
|
if (*context)
|
|
glXDestroyContext(display, *context);
|
|
*context = new_context;
|
|
if (*vinfo)
|
|
XFree(*vinfo);
|
|
*vinfo = new_vinfo;
|
|
getProcAddress = getdladdr("glXGetProcAddress");
|
|
if (!getProcAddress)
|
|
getProcAddress = getdladdr("glXGetProcAddressARB");
|
|
|
|
const char *glxstr = "";
|
|
const char *(*glXExtStr)(Display *, int)
|
|
= getdladdr("glXQueryExtensionsString");
|
|
if (glXExtStr)
|
|
glxstr = glXExtStr(display, ctx->vo->x11->screen);
|
|
|
|
getFunctions(gl, getProcAddress, glxstr, false);
|
|
if (!gl->GenPrograms && gl->GetString &&
|
|
getProcAddress &&
|
|
strstr(gl->GetString(GL_EXTENSIONS), "GL_ARB_vertex_program")) {
|
|
mp_msg(MSGT_VO, MSGL_WARN,
|
|
"Broken glXGetProcAddress detected, trying workaround\n");
|
|
getFunctions(gl, NULL, glxstr, false);
|
|
}
|
|
|
|
// and inform that reinit is neccessary
|
|
return SET_WINDOW_REINIT;
|
|
}
|
|
return SET_WINDOW_OK;
|
|
}
|
|
|
|
// The GL3 initialization code roughly follows/copies from:
|
|
// http://www.opengl.org/wiki/Tutorial:_OpenGL_3.0_Context_Creation_(GLX)
|
|
// but also uses some of the old code.
|
|
|
|
static GLXFBConfig select_fb_config(struct vo *vo, const int *attribs)
|
|
{
|
|
int fbcount;
|
|
GLXFBConfig *fbc = glXChooseFBConfig(vo->x11->display, vo->x11->screen,
|
|
attribs, &fbcount);
|
|
if (!fbc)
|
|
return NULL;
|
|
|
|
// The list in fbc is sorted (so that the first element is the best).
|
|
GLXFBConfig fbconfig = fbc[0];
|
|
|
|
XFree(fbc);
|
|
|
|
return fbconfig;
|
|
}
|
|
|
|
typedef GLXContext (*glXCreateContextAttribsARBProc)
|
|
(Display*, GLXFBConfig, GLXContext, Bool, const int*);
|
|
|
|
static int create_window_x11_gl3(struct MPGLContext *ctx, int gl_flags,
|
|
int gl_version, uint32_t d_width,
|
|
uint32_t d_height, uint32_t flags)
|
|
{
|
|
struct vo *vo = ctx->vo;
|
|
struct glx_context *glx_ctx = ctx->priv;
|
|
|
|
if (glx_ctx->context) {
|
|
// GL context and window already exist.
|
|
// Only update window geometry etc.
|
|
Colormap colormap = XCreateColormap(vo->x11->display, vo->x11->rootwin,
|
|
glx_ctx->vinfo->visual, AllocNone);
|
|
vo_x11_create_vo_window(vo, glx_ctx->vinfo, vo->dx, vo->dy, d_width,
|
|
d_height, flags, colormap, "gl");
|
|
XFreeColormap(vo->x11->display, colormap);
|
|
return SET_WINDOW_OK;
|
|
}
|
|
|
|
int glx_major, glx_minor;
|
|
|
|
// FBConfigs were added in GLX version 1.3.
|
|
if (!glXQueryVersion(vo->x11->display, &glx_major, &glx_minor) ||
|
|
(MPGL_VER(glx_major, glx_minor) < MPGL_VER(1, 3)))
|
|
{
|
|
mp_msg(MSGT_VO, MSGL_ERR, "[gl] GLX version older than 1.3.\n");
|
|
return SET_WINDOW_FAILED;
|
|
}
|
|
|
|
const int glx_attribs_stereo_value_idx = 1; // index of GLX_STEREO + 1
|
|
int glx_attribs[] = {
|
|
GLX_STEREO, False,
|
|
GLX_X_RENDERABLE, True,
|
|
GLX_RED_SIZE, 1,
|
|
GLX_GREEN_SIZE, 1,
|
|
GLX_BLUE_SIZE, 1,
|
|
GLX_DOUBLEBUFFER, True,
|
|
None
|
|
};
|
|
GLXFBConfig fbc = NULL;
|
|
if (flags & VOFLAG_STEREO) {
|
|
glx_attribs[glx_attribs_stereo_value_idx] = True;
|
|
fbc = select_fb_config(vo, glx_attribs);
|
|
if (!fbc) {
|
|
mp_msg(MSGT_VO, MSGL_ERR, "[gl] Could not find a stereo visual,"
|
|
" 3D will probably not work!\n");
|
|
glx_attribs[glx_attribs_stereo_value_idx] = False;
|
|
}
|
|
}
|
|
if (!fbc)
|
|
fbc = select_fb_config(vo, glx_attribs);
|
|
if (!fbc) {
|
|
mp_msg(MSGT_VO, MSGL_ERR, "[gl] no GLX support present\n");
|
|
return SET_WINDOW_FAILED;
|
|
}
|
|
|
|
glXGetFBConfigAttrib(vo->x11->display, fbc, GLX_RED_SIZE, &ctx->depth_r);
|
|
glXGetFBConfigAttrib(vo->x11->display, fbc, GLX_GREEN_SIZE, &ctx->depth_g);
|
|
glXGetFBConfigAttrib(vo->x11->display, fbc, GLX_BLUE_SIZE, &ctx->depth_b);
|
|
|
|
XVisualInfo *vinfo = glXGetVisualFromFBConfig(vo->x11->display, fbc);
|
|
mp_msg(MSGT_VO, MSGL_V, "[gl] GLX chose visual with ID 0x%x\n",
|
|
(int)vinfo->visualid);
|
|
Colormap colormap = XCreateColormap(vo->x11->display, vo->x11->rootwin,
|
|
vinfo->visual, AllocNone);
|
|
vo_x11_create_vo_window(vo, vinfo, vo->dx, vo->dy, d_width, d_height,
|
|
flags, colormap, "gl");
|
|
XFreeColormap(vo->x11->display, colormap);
|
|
|
|
glXCreateContextAttribsARBProc glXCreateContextAttribsARB =
|
|
(glXCreateContextAttribsARBProc)
|
|
glXGetProcAddressARB((const GLubyte *)"glXCreateContextAttribsARB");
|
|
|
|
const char *glxstr = "";
|
|
const char *(*glXExtStr)(Display *, int)
|
|
= getdladdr("glXQueryExtensionsString");
|
|
if (glXExtStr)
|
|
glxstr = glXExtStr(vo->x11->display, vo->x11->screen);
|
|
bool have_ctx_ext = glxstr && !!strstr(glxstr, "GLX_ARB_create_context");
|
|
|
|
if (!(have_ctx_ext && glXCreateContextAttribsARB)) {
|
|
XFree(vinfo);
|
|
return SET_WINDOW_FAILED;
|
|
}
|
|
|
|
int context_attribs[] = {
|
|
GLX_CONTEXT_MAJOR_VERSION_ARB, MPGL_VER_GET_MAJOR(gl_version),
|
|
GLX_CONTEXT_MINOR_VERSION_ARB, MPGL_VER_GET_MINOR(gl_version),
|
|
GLX_CONTEXT_PROFILE_MASK_ARB, GLX_CONTEXT_CORE_PROFILE_BIT_ARB,
|
|
GLX_CONTEXT_FLAGS_ARB, GLX_CONTEXT_FORWARD_COMPATIBLE_BIT_ARB
|
|
| (gl_flags & MPGLFLAG_DEBUG ? GLX_CONTEXT_DEBUG_BIT_ARB : 0),
|
|
None
|
|
};
|
|
GLXContext context = glXCreateContextAttribsARB(vo->x11->display, fbc, 0,
|
|
True, context_attribs);
|
|
if (!context) {
|
|
mp_msg(MSGT_VO, MSGL_FATAL, "[gl] Could not create GLX context!\n");
|
|
XFree(vinfo);
|
|
return SET_WINDOW_FAILED;
|
|
}
|
|
|
|
// set context
|
|
if (!glXMakeCurrent(vo->x11->display, vo->x11->window, context)) {
|
|
mp_msg(MSGT_VO, MSGL_FATAL, "[gl] Could not set GLX context!\n");
|
|
glXDestroyContext(vo->x11->display, context);
|
|
XFree(vinfo);
|
|
return SET_WINDOW_FAILED;
|
|
}
|
|
|
|
glx_ctx->vinfo = vinfo;
|
|
glx_ctx->context = context;
|
|
|
|
getFunctions(ctx->gl, (void *)glXGetProcAddress, glxstr, true);
|
|
|
|
return SET_WINDOW_REINIT;
|
|
}
|
|
|
|
/**
|
|
* \brief free the VisualInfo and GLXContext of an OpenGL context.
|
|
* \ingroup glcontext
|
|
*/
|
|
static void releaseGlContext_x11(MPGLContext *ctx)
|
|
{
|
|
struct glx_context *glx_ctx = ctx->priv;
|
|
XVisualInfo **vinfo = &glx_ctx->vinfo;
|
|
GLXContext *context = &glx_ctx->context;
|
|
Display *display = ctx->vo->x11->display;
|
|
GL *gl = ctx->gl;
|
|
if (*vinfo)
|
|
XFree(*vinfo);
|
|
*vinfo = NULL;
|
|
if (*context) {
|
|
gl->Finish();
|
|
glXMakeCurrent(display, None, NULL);
|
|
glXDestroyContext(display, *context);
|
|
}
|
|
*context = 0;
|
|
}
|
|
|
|
static void swapGlBuffers_x11(MPGLContext *ctx)
|
|
{
|
|
glXSwapBuffers(ctx->vo->x11->display, ctx->vo->x11->window);
|
|
}
|
|
#endif
|
|
|
|
#ifdef CONFIG_GL_SDL
|
|
#include "sdl_common.h"
|
|
|
|
static int create_window_sdl(struct MPGLContext *ctx, uint32_t d_width,
|
|
uint32_t d_height, uint32_t flags)
|
|
{
|
|
SDL_WM_SetCaption(vo_get_window_title(ctx->vo), NULL);
|
|
ctx->vo->dwidth = d_width;
|
|
ctx->vo->dheight = d_height;
|
|
return 0;
|
|
}
|
|
|
|
static void swapGlBuffers_sdl(MPGLContext *ctx)
|
|
{
|
|
SDL_GL_SwapBuffers();
|
|
}
|
|
|
|
static void *sdlgpa(const GLubyte *name)
|
|
{
|
|
return SDL_GL_GetProcAddress(name);
|
|
}
|
|
|
|
static int setGlWindow_sdl(MPGLContext *ctx)
|
|
{
|
|
if (sdl_set_mode(0, SDL_OPENGL | SDL_RESIZABLE) < 0)
|
|
return SET_WINDOW_FAILED;
|
|
SDL_GL_LoadLibrary(NULL);
|
|
getFunctions(ctx->gl, sdlgpa, NULL, false);
|
|
return SET_WINDOW_OK;
|
|
}
|
|
|
|
static void releaseGlContext_sdl(MPGLContext *ctx)
|
|
{
|
|
}
|
|
|
|
static int sdl_check_events(struct vo *vo)
|
|
{
|
|
int res = 0;
|
|
SDL_Event event;
|
|
while (SDL_PollEvent(&event))
|
|
res |= sdl_default_handle_event(&event);
|
|
// poll "events" from within MPlayer code
|
|
res |= sdl_default_handle_event(NULL);
|
|
if (res & VO_EVENT_RESIZE)
|
|
sdl_set_mode(0, SDL_OPENGL | SDL_RESIZABLE);
|
|
return res;
|
|
}
|
|
|
|
static void new_sdl_update_xinerama_info(struct vo *vo) { sdl_update_xinerama_info(); }
|
|
static void new_vo_sdl_fullscreen(struct vo *vo) { vo_sdl_fullscreen(); }
|
|
static void new_vo_sdl_uninit(struct vo *vo) { vo_sdl_uninit(); }
|
|
|
|
#endif
|
|
|
|
struct backend {
|
|
const char *name;
|
|
enum MPGLType type;
|
|
};
|
|
|
|
static struct backend backends[] = {
|
|
{"auto", GLTYPE_AUTO},
|
|
{"cocoa", GLTYPE_COCOA},
|
|
{"win", GLTYPE_W32},
|
|
{"x11", GLTYPE_X11},
|
|
{"sdl", GLTYPE_SDL},
|
|
// mplayer-svn aliases (note that mplayer-svn couples these with the numeric
|
|
// values of the internal GLTYPE_* constants)
|
|
{"-1", GLTYPE_AUTO},
|
|
{ "0", GLTYPE_W32},
|
|
{ "1", GLTYPE_X11},
|
|
{ "2", GLTYPE_SDL},
|
|
|
|
{0}
|
|
};
|
|
|
|
int mpgl_find_backend(const char *name)
|
|
{
|
|
for (const struct backend *entry = backends; entry->name; entry++) {
|
|
if (strcmp(entry->name, name) == 0)
|
|
return entry->type;
|
|
}
|
|
return -1;
|
|
}
|
|
|
|
MPGLContext *init_mpglcontext(enum MPGLType type, struct vo *vo)
|
|
{
|
|
MPGLContext *ctx;
|
|
if (type == GLTYPE_AUTO) {
|
|
ctx = init_mpglcontext(GLTYPE_COCOA, vo);
|
|
if (ctx)
|
|
return ctx;
|
|
ctx = init_mpglcontext(GLTYPE_W32, vo);
|
|
if (ctx)
|
|
return ctx;
|
|
ctx = init_mpglcontext(GLTYPE_X11, vo);
|
|
if (ctx)
|
|
return ctx;
|
|
return init_mpglcontext(GLTYPE_SDL, vo);
|
|
}
|
|
ctx = talloc_zero(NULL, MPGLContext);
|
|
ctx->gl = talloc_zero(ctx, GL);
|
|
ctx->type = type;
|
|
ctx->vo = vo;
|
|
switch (ctx->type) {
|
|
#ifdef CONFIG_GL_COCOA
|
|
case GLTYPE_COCOA:
|
|
ctx->create_window = create_window_cocoa;
|
|
ctx->create_window_gl3 = create_window_cocoa_gl3;
|
|
ctx->setGlWindow = setGlWindow_cocoa;
|
|
ctx->releaseGlContext = releaseGlContext_cocoa;
|
|
ctx->swapGlBuffers = swapGlBuffers_cocoa;
|
|
ctx->check_events = cocoa_check_events;
|
|
ctx->update_xinerama_info = cocoa_update_xinerama_info;
|
|
ctx->fullscreen = cocoa_fullscreen;
|
|
ctx->ontop = vo_cocoa_ontop;
|
|
ctx->vo_uninit = vo_cocoa_uninit;
|
|
if (vo_cocoa_init(vo))
|
|
return ctx;
|
|
break;
|
|
#endif
|
|
#ifdef CONFIG_GL_WIN32
|
|
case GLTYPE_W32:
|
|
ctx->priv = talloc_zero(ctx, struct w32_context);
|
|
ctx->create_window = create_window_w32;
|
|
ctx->create_window_gl3 = create_window_w32_gl3;
|
|
ctx->setGlWindow = setGlWindow_w32;
|
|
ctx->releaseGlContext = releaseGlContext_w32;
|
|
ctx->swapGlBuffers = swapGlBuffers_w32;
|
|
ctx->update_xinerama_info = w32_update_xinerama_info;
|
|
ctx->border = vo_w32_border;
|
|
ctx->check_events = vo_w32_check_events;
|
|
ctx->fullscreen = vo_w32_fullscreen;
|
|
ctx->ontop = vo_w32_ontop;
|
|
ctx->vo_uninit = vo_w32_uninit;
|
|
if (vo_w32_init(vo))
|
|
return ctx;
|
|
break;
|
|
#endif
|
|
#ifdef CONFIG_GL_X11
|
|
case GLTYPE_X11:
|
|
ctx->priv = talloc_zero(ctx, struct glx_context);
|
|
ctx->create_window = create_window_x11;
|
|
ctx->setGlWindow = setGlWindow_x11;
|
|
ctx->create_window_gl3 = create_window_x11_gl3;
|
|
ctx->releaseGlContext = releaseGlContext_x11;
|
|
ctx->swapGlBuffers = swapGlBuffers_x11;
|
|
ctx->update_xinerama_info = update_xinerama_info;
|
|
ctx->border = vo_x11_border;
|
|
ctx->check_events = vo_x11_check_events;
|
|
ctx->fullscreen = vo_x11_fullscreen;
|
|
ctx->ontop = vo_x11_ontop;
|
|
ctx->vo_uninit = vo_x11_uninit;
|
|
if (vo_init(vo))
|
|
return ctx;
|
|
break;
|
|
#endif
|
|
#ifdef CONFIG_GL_SDL
|
|
case GLTYPE_SDL:
|
|
ctx->create_window = create_window_sdl;
|
|
ctx->setGlWindow = setGlWindow_sdl;
|
|
ctx->releaseGlContext = releaseGlContext_sdl;
|
|
ctx->swapGlBuffers = swapGlBuffers_sdl;
|
|
ctx->update_xinerama_info = new_sdl_update_xinerama_info;
|
|
ctx->check_events = sdl_check_events;
|
|
ctx->fullscreen = new_vo_sdl_fullscreen;
|
|
ctx->vo_uninit = new_vo_sdl_uninit;
|
|
//the SDL code is hardcoded to use the deprecated vo API
|
|
global_vo = vo;
|
|
if (vo_sdl_init())
|
|
return ctx;
|
|
break;
|
|
#endif
|
|
}
|
|
talloc_free(ctx);
|
|
return NULL;
|
|
}
|
|
|
|
int create_mpglcontext(struct MPGLContext *ctx, int gl_flags, int gl_version,
|
|
uint32_t d_width, uint32_t d_height, uint32_t flags)
|
|
{
|
|
if (gl_version < MPGL_VER(3, 0)) {
|
|
if (ctx->create_window(ctx, d_width, d_height, flags) < 0)
|
|
return SET_WINDOW_FAILED;
|
|
return ctx->setGlWindow(ctx);
|
|
} else {
|
|
if (!ctx->create_window_gl3) {
|
|
mp_msg(MSGT_VO, MSGL_ERR, "[gl] OpenGL 3.x context creation not "
|
|
"implemented.\n");
|
|
return SET_WINDOW_FAILED;
|
|
}
|
|
return ctx->create_window_gl3(ctx, gl_flags, gl_version, d_width,
|
|
d_height, flags);
|
|
}
|
|
}
|
|
|
|
void uninit_mpglcontext(MPGLContext *ctx)
|
|
{
|
|
if (!ctx)
|
|
return;
|
|
ctx->releaseGlContext(ctx);
|
|
ctx->vo_uninit(ctx->vo);
|
|
talloc_free(ctx);
|
|
}
|
|
|
|
void mp_log_source(int mod, int lev, const char *src)
|
|
{
|
|
int line = 1;
|
|
if (!src)
|
|
return;
|
|
while (*src) {
|
|
const char *end = strchr(src, '\n');
|
|
const char *next = end + 1;
|
|
if (!end)
|
|
next = end = src + strlen(src);
|
|
mp_msg(mod, lev, "[%3d] %.*s\n", line, (int)(end - src), src);
|
|
line++;
|
|
src = next;
|
|
}
|
|
}
|