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mpv/libvo/vo_gl.c

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/*
* This file is part of MPlayer.
*
* MPlayer is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* MPlayer is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with MPlayer; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* You can alternatively redistribute this file and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <math.h>
#include <stdbool.h>
#include "config.h"
#include "talloc.h"
#include "mp_msg.h"
#include "subopt-helper.h"
#include "video_out.h"
#include "libmpcodecs/vfcap.h"
#include "libmpcodecs/mp_image.h"
#include "geometry.h"
#include "osd.h"
#include "sub/sub.h"
#include "eosd_packer.h"
#include "gl_common.h"
#include "aspect.h"
#include "fastmemcpy.h"
#include "sub/ass_mp.h"
//! How many parts the OSD may consist of at most
#define MAX_OSD_PARTS 20
//for gl_priv.use_yuv
#define MASK_ALL_YUV (~(1 << YUV_CONVERSION_NONE))
#define MASK_NOT_COMBINERS (~((1 << YUV_CONVERSION_NONE) | (1 << YUV_CONVERSION_COMBINERS)))
#define MASK_GAMMA_SUPPORT (MASK_NOT_COMBINERS & ~(1 << YUV_CONVERSION_FRAGMENT))
struct vertex_eosd {
float x, y;
uint8_t color[4];
float u, v;
};
struct gl_priv {
MPGLContext *glctx;
GL *gl;
int use_osd;
int scaled_osd;
//! Textures for OSD
GLuint osdtex[MAX_OSD_PARTS];
//! Alpha textures for OSD
GLuint osdatex[MAX_OSD_PARTS];
GLuint eosd_texture;
int eosd_texture_width, eosd_texture_height;
struct eosd_packer *eosd;
struct vertex_eosd *eosd_va;
//! Display lists that draw the OSD parts
GLuint osdDispList[MAX_OSD_PARTS];
GLuint osdaDispList[MAX_OSD_PARTS];
//! How many parts the OSD currently consists of
int osdtexCnt;
int osd_color;
int use_ycbcr;
int use_yuv;
struct mp_csp_details colorspace;
int is_yuv;
int lscale;
int cscale;
float filter_strength;
float noise_strength;
int yuvconvtype;
int use_rectangle;
int err_shown;
uint32_t image_width;
uint32_t image_height;
uint32_t image_format;
uint32_t image_d_width;
uint32_t image_d_height;
int many_fmts;
int have_texture_rg;
int ati_hack;
int force_pbo;
int use_glFinish;
int swap_interval;
GLenum target;
GLint texfmt;
GLenum gl_format;
GLenum gl_type;
GLuint buffer;
GLuint buffer_uv[2];
int buffersize;
int buffersize_uv;
void *bufferptr;
void *bufferptr_uv[2];
GLuint fragprog;
GLuint default_texs[22];
char *custom_prog;
char *custom_tex;
int custom_tlin;
int custom_trect;
int mipmap_gen;
int stereo_mode;
struct mp_csp_equalizer video_eq;
int texture_width;
int texture_height;
int mpi_flipped;
int vo_flipped;
int ass_border_x, ass_border_y;
unsigned int slice_height;
};
static void resize(struct vo *vo, int x, int y)
{
struct gl_priv *p = vo->priv;
GL *gl = p->gl;
mp_msg(MSGT_VO, MSGL_V, "[gl] Resize: %dx%d\n", x, y);
if (WinID >= 0) {
int left = 0, top = 0, w = x, h = y;
geometry(&left, &top, &w, &h, vo->dwidth, vo->dheight);
top = y - h - top;
gl->Viewport(left, top, w, h);
} else
gl->Viewport(0, 0, x, y);
gl->MatrixMode(GL_PROJECTION);
gl->LoadIdentity();
p->ass_border_x = p->ass_border_y = 0;
if (aspect_scaling()) {
int new_w, new_h;
GLdouble scale_x, scale_y;
aspect(vo, &new_w, &new_h, A_WINZOOM);
panscan_calc_windowed(vo);
new_w += vo->panscan_x;
new_h += vo->panscan_y;
scale_x = (GLdouble)new_w / (GLdouble)x;
scale_y = (GLdouble)new_h / (GLdouble)y;
gl->Scaled(scale_x, scale_y, 1);
p->ass_border_x = (vo->dwidth - new_w) / 2;
p->ass_border_y = (vo->dheight - new_h) / 2;
}
gl->Ortho(0, p->image_width, p->image_height, 0, -1, 1);
gl->MatrixMode(GL_MODELVIEW);
gl->LoadIdentity();
vo_osd_resized();
gl->Clear(GL_COLOR_BUFFER_BIT);
vo->want_redraw = true;
}
static void texSize(struct vo *vo, int w, int h, int *texw, int *texh)
{
struct gl_priv *p = vo->priv;
if (p->use_rectangle) {
*texw = w;
*texh = h;
} else {
*texw = 32;
while (*texw < w)
*texw *= 2;
*texh = 32;
while (*texh < h)
*texh *= 2;
}
if (p->ati_hack)
*texw = (*texw + 511) & ~511;
}
//! maximum size of custom fragment program
#define MAX_CUSTOM_PROG_SIZE (1024 * 1024)
static void update_yuvconv(struct vo *vo)
{
struct gl_priv *p = vo->priv;
GL *gl = p->gl;
int xs, ys, depth;
struct mp_csp_params cparams = { .colorspace = p->colorspace };
mp_csp_copy_equalizer_values(&cparams, &p->video_eq);
gl_conversion_params_t params = {
p->target, p->yuvconvtype, cparams,
p->texture_width, p->texture_height, 0, 0, p->filter_strength,
p->noise_strength
};
mp_get_chroma_shift(p->image_format, &xs, &ys, &depth);
params.chrom_texw = params.texw >> xs;
params.chrom_texh = params.texh >> ys;
params.csp_params.input_bits = depth;
params.csp_params.texture_bits = depth+7 & ~7;
glSetupYUVConversion(gl, &params);
if (p->custom_prog) {
FILE *f = fopen(p->custom_prog, "rb");
if (!f) {
mp_msg(MSGT_VO, MSGL_WARN,
"[gl] Could not read customprog %s\n", p->custom_prog);
} else {
char *prog = calloc(1, MAX_CUSTOM_PROG_SIZE + 1);
fread(prog, 1, MAX_CUSTOM_PROG_SIZE, f);
fclose(f);
loadGPUProgram(gl, GL_FRAGMENT_PROGRAM, prog);
free(prog);
}
gl->ProgramEnvParameter4f(GL_FRAGMENT_PROGRAM, 0,
1.0 / p->texture_width,
1.0 / p->texture_height,
p->texture_width, p->texture_height);
}
if (p->custom_tex) {
FILE *f = fopen(p->custom_tex, "rb");
if (!f) {
mp_msg(MSGT_VO, MSGL_WARN,
"[gl] Could not read customtex %s\n", p->custom_tex);
} else {
int width, height, maxval;
gl->ActiveTexture(GL_TEXTURE3);
if (glCreatePPMTex(gl, p->custom_trect ? GL_TEXTURE_RECTANGLE : GL_TEXTURE_2D,
0, p->custom_tlin ? GL_LINEAR : GL_NEAREST,
f, &width, &height, &maxval)) {
gl->ProgramEnvParameter4f(GL_FRAGMENT_PROGRAM, 1,
1.0 / width, 1.0 / height,
width, height);
} else
mp_msg(MSGT_VO, MSGL_WARN,
"[gl] Error parsing customtex %s\n", p->custom_tex);
fclose(f);
gl->ActiveTexture(GL_TEXTURE0);
}
}
}
/**
* \brief remove all OSD textures and display-lists, thus clearing it.
*/
static void clearOSD(struct vo *vo)
{
struct gl_priv *p = vo->priv;
GL *gl = p->gl;
int i;
if (!p->osdtexCnt)
return;
gl->DeleteTextures(p->osdtexCnt, p->osdtex);
gl->DeleteTextures(p->osdtexCnt, p->osdatex);
for (i = 0; i < p->osdtexCnt; i++)
gl->DeleteLists(p->osdaDispList[i], 1);
for (i = 0; i < p->osdtexCnt; i++)
gl->DeleteLists(p->osdDispList[i], 1);
p->osdtexCnt = 0;
}
/**
* \brief construct display list from ass image list
* \param img image list to create OSD from.
*/
static void genEOSD(struct vo *vo, mp_eosd_images_t *imgs)
{
struct gl_priv *p = vo->priv;
GL *gl = p->gl;
bool need_repos, need_upload, need_allocate;
eosd_packer_generate(p->eosd, imgs, &need_repos, &need_upload,
&need_allocate);
if (!need_repos)
return;
if (!p->eosd_texture)
gl->GenTextures(1, &p->eosd_texture);
gl->BindTexture(p->target, p->eosd_texture);
if (need_allocate) {
texSize(vo, p->eosd->surface.w, p->eosd->surface.h,
&p->eosd_texture_width, &p->eosd_texture_height);
// xxx it doesn't need to be cleared, that's a waste of time
glCreateClearTex(gl, p->target, GL_ALPHA, GL_ALPHA, GL_UNSIGNED_BYTE,
GL_NEAREST, p->eosd_texture_width,
p->eosd_texture_height, 0);
}
// 2 triangles primitives per quad = 6 vertices per quad
// not using GL_QUADS, as it is deprecated in OpenGL 3.x and later
p->eosd_va = talloc_realloc_size(p->eosd, p->eosd_va,
p->eosd->targets_count
* sizeof(struct vertex_eosd) * 6);
float eosd_w = p->eosd_texture_width;
float eosd_h = p->eosd_texture_height;
if (p->use_rectangle == 1)
eosd_w = eosd_h = 1.0f;
for (int n = 0; n < p->eosd->targets_count; n++) {
struct eosd_target *target = &p->eosd->targets[n];
ASS_Image *i = target->ass_img;
if (need_upload) {
glUploadTex(gl, p->target, GL_ALPHA, GL_UNSIGNED_BYTE, i->bitmap,
i->stride, target->source.x0, target->source.y0,
i->w, i->h, 0);
}
uint8_t color[4] = { i->color >> 24, (i->color >> 16) & 0xff,
(i->color >> 8) & 0xff, 255 - (i->color & 0xff) };
float x0 = target->dest.x0;
float y0 = target->dest.y0;
float x1 = target->dest.x1;
float y1 = target->dest.y1;
float tx0 = target->source.x0 / eosd_w;
float ty0 = target->source.y0 / eosd_h;
float tx1 = target->source.x1 / eosd_w;
float ty1 = target->source.y1 / eosd_h;
#define COLOR_INIT {color[0], color[1], color[2], color[3]}
struct vertex_eosd *va = &p->eosd_va[n * 6];
va[0] = (struct vertex_eosd) { x0, y0, COLOR_INIT, tx0, ty0 };
va[1] = (struct vertex_eosd) { x0, y1, COLOR_INIT, tx0, ty1 };
va[2] = (struct vertex_eosd) { x1, y0, COLOR_INIT, tx1, ty0 };
va[3] = (struct vertex_eosd) { x1, y1, COLOR_INIT, tx1, ty1 };
va[4] = va[2];
va[5] = va[1];
#undef COLOR_INIT
}
gl->BindTexture(p->target, 0);
}
// Note: relies on state being setup, like projection matrix and blending
static void drawEOSD(struct vo *vo)
{
struct gl_priv *p = vo->priv;
GL *gl = p->gl;
if (p->eosd->targets_count == 0)
return;
gl->BindTexture(p->target, p->eosd_texture);
struct vertex_eosd *va = p->eosd_va;
size_t stride = sizeof(struct vertex_eosd);
gl->VertexPointer(2, GL_FLOAT, stride, &va[0].x);
gl->ColorPointer(4, GL_UNSIGNED_BYTE, stride, &va[0].color[0]);
gl->TexCoordPointer(2, GL_FLOAT, stride, &va[0].u);
gl->EnableClientState(GL_VERTEX_ARRAY);
gl->EnableClientState(GL_TEXTURE_COORD_ARRAY);
gl->EnableClientState(GL_COLOR_ARRAY);
gl->DrawArrays(GL_TRIANGLES, 0, p->eosd->targets_count * 6);
gl->DisableClientState(GL_VERTEX_ARRAY);
gl->DisableClientState(GL_TEXTURE_COORD_ARRAY);
gl->DisableClientState(GL_COLOR_ARRAY);
gl->BindTexture(p->target, 0);
}
/**
* \brief uninitialize OpenGL context, freeing textures, buffers etc.
*/
static void uninitGl(struct vo *vo)
{
struct gl_priv *p = vo->priv;
GL *gl = p->gl;
int i = 0;
if (gl->DeletePrograms && p->fragprog)
gl->DeletePrograms(1, &p->fragprog);
p->fragprog = 0;
while (p->default_texs[i] != 0)
i++;
if (i)
gl->DeleteTextures(i, p->default_texs);
p->default_texs[0] = 0;
clearOSD(vo);
if (p->eosd_texture)
gl->DeleteTextures(1, &p->eosd_texture);
eosd_packer_reinit(p->eosd, 0, 0);
p->eosd_texture = 0;
if (gl->DeleteBuffers && p->buffer)
gl->DeleteBuffers(1, &p->buffer);
p->buffer = 0;
p->buffersize = 0;
p->bufferptr = NULL;
if (gl->DeleteBuffers && p->buffer_uv[0])
gl->DeleteBuffers(2, p->buffer_uv);
p->buffer_uv[0] = p->buffer_uv[1] = 0;
p->buffersize_uv = 0;
p->bufferptr_uv[0] = p->bufferptr_uv[1] = 0;
p->err_shown = 0;
}
static int isSoftwareGl(struct vo *vo)
{
struct gl_priv *p = vo->priv;
const char *renderer = p->gl->GetString(GL_RENDERER);
const char *vendor = p->gl->GetString(GL_VENDOR);
return !renderer || strcmp(renderer, "Software Rasterizer") == 0 ||
strstr(renderer, "llvmpipe") ||
strcmp(vendor, "Microsoft Corporation") == 0;
}
static void autodetectGlExtensions(struct vo *vo)
{
struct gl_priv *p = vo->priv;
GL *gl = p->gl;
const char *extensions = gl->GetString(GL_EXTENSIONS);
const char *vendor = gl->GetString(GL_VENDOR);
const char *version = gl->GetString(GL_VERSION);
const char *renderer = gl->GetString(GL_RENDERER);
int is_ati = vendor && strstr(vendor, "ATI") != NULL;
int ati_broken_pbo = 0;
mp_msg(MSGT_VO, MSGL_V, "[gl] Running on OpenGL '%s' by '%s', version '%s'\n",
renderer, vendor, version);
if (is_ati && strncmp(version, "2.1.", 4) == 0) {
int ver = atoi(version + 4);
mp_msg(MSGT_VO, MSGL_V, "[gl] Detected ATI driver version: %i\n", ver);
ati_broken_pbo = ver && ver < 8395;
}
if (p->ati_hack == -1)
p->ati_hack = ati_broken_pbo;
if (p->force_pbo == -1) {
p->force_pbo = 0;
if (extensions && strstr(extensions, "_pixel_buffer_object"))
p->force_pbo = is_ati;
}
p->have_texture_rg = extensions && strstr(extensions, "GL_ARB_texture_rg");
if (p->use_rectangle == -1) {
p->use_rectangle = 0;
if (extensions) {
// if (strstr(extensions, "_texture_non_power_of_two"))
if (strstr(extensions, "_texture_rectangle"))
p->use_rectangle = renderer
&& strstr(renderer, "Mesa DRI R200") ? 1 : 0;
}
}
if (p->use_osd == -1)
p->use_osd = gl->BindTexture != NULL;
if (p->use_yuv == -1)
p->use_yuv = glAutodetectYUVConversion(gl);
int eq_caps = 0;
int yuv_mask = (1 << p->use_yuv);
if (!(yuv_mask & MASK_NOT_COMBINERS)) {
// combiners
eq_caps = (1 << MP_CSP_EQ_HUE) | (1 << MP_CSP_EQ_SATURATION);
} else if (yuv_mask & MASK_ALL_YUV) {
eq_caps = MP_CSP_EQ_CAPS_COLORMATRIX;
if (yuv_mask & MASK_GAMMA_SUPPORT)
eq_caps |= MP_CSP_EQ_CAPS_GAMMA;
}
p->video_eq.capabilities = eq_caps;
if (is_ati && (p->lscale == 1 || p->lscale == 2 || p->cscale == 1 || p->cscale == 2))
mp_msg(MSGT_VO, MSGL_WARN, "[gl] Selected scaling mode may be broken on"
" ATI cards.\n"
"Tell _them_ to fix GL_REPEAT if you have issues.\n");
mp_msg(MSGT_VO, MSGL_V, "[gl] Settings after autodetection: ati-hack = %i, "
"force-pbo = %i, rectangle = %i, yuv = %i\n",
p->ati_hack, p->force_pbo, p->use_rectangle, p->use_yuv);
}
static GLint get_scale_type(struct vo *vo, int chroma)
{
struct gl_priv *p = vo->priv;
int nearest = (chroma ? p->cscale : p->lscale) & 64;
if (nearest)
return p->mipmap_gen ? GL_NEAREST_MIPMAP_NEAREST : GL_NEAREST;
return p->mipmap_gen ? GL_LINEAR_MIPMAP_NEAREST : GL_LINEAR;
}
// Return the high byte of the value that represents white in chroma (U/V)
static int get_chroma_clear_val(int bit_depth)
{
return 1 << (bit_depth - 1 & 7);
}
/**
* \brief Initialize a (new or reused) OpenGL context.
* set global gl-related variables to their default values
*/
static int initGl(struct vo *vo, uint32_t d_width, uint32_t d_height)
{
struct gl_priv *p = vo->priv;
GL *gl = p->gl;
GLint scale_type = get_scale_type(vo, 0);
autodetectGlExtensions(vo);
p->target = p->use_rectangle == 1 ? GL_TEXTURE_RECTANGLE : GL_TEXTURE_2D;
p->yuvconvtype = SET_YUV_CONVERSION(p->use_yuv) |
SET_YUV_LUM_SCALER(p->lscale) |
SET_YUV_CHROM_SCALER(p->cscale);
texSize(vo, p->image_width, p->image_height,
&p->texture_width, &p->texture_height);
gl->Disable(GL_BLEND);
gl->Disable(GL_DEPTH_TEST);
gl->DepthMask(GL_FALSE);
gl->Disable(GL_CULL_FACE);
gl->Enable(p->target);
gl->DrawBuffer(vo_doublebuffering ? GL_BACK : GL_FRONT);
gl->TexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
mp_msg(MSGT_VO, MSGL_V, "[gl] Creating %dx%d texture...\n",
p->texture_width, p->texture_height);
glCreateClearTex(gl, p->target, p->texfmt, p->gl_format,
p->gl_type, scale_type,
p->texture_width, p->texture_height, 0);
if (p->mipmap_gen)
gl->TexParameteri(p->target, GL_GENERATE_MIPMAP, GL_TRUE);
if (p->is_yuv) {
int i;
int xs, ys, depth;
scale_type = get_scale_type(vo, 1);
mp_get_chroma_shift(p->image_format, &xs, &ys, &depth);
int clear = get_chroma_clear_val(depth);
gl->GenTextures(21, p->default_texs);
p->default_texs[21] = 0;
for (i = 0; i < 7; i++) {
gl->ActiveTexture(GL_TEXTURE1 + i);
gl->BindTexture(GL_TEXTURE_2D, p->default_texs[i]);
gl->BindTexture(GL_TEXTURE_RECTANGLE, p->default_texs[i + 7]);
gl->BindTexture(GL_TEXTURE_3D, p->default_texs[i + 14]);
}
gl->ActiveTexture(GL_TEXTURE1);
glCreateClearTex(gl, p->target, p->texfmt, p->gl_format,
p->gl_type, scale_type,
p->texture_width >> xs, p->texture_height >> ys,
clear);
if (p->mipmap_gen)
gl->TexParameteri(p->target, GL_GENERATE_MIPMAP, GL_TRUE);
gl->ActiveTexture(GL_TEXTURE2);
glCreateClearTex(gl, p->target, p->texfmt, p->gl_format,
p->gl_type, scale_type,
p->texture_width >> xs, p->texture_height >> ys,
clear);
if (p->mipmap_gen)
gl->TexParameteri(p->target, GL_GENERATE_MIPMAP, GL_TRUE);
gl->ActiveTexture(GL_TEXTURE0);
gl->BindTexture(p->target, 0);
}
if (p->is_yuv || p->custom_prog) {
if ((MASK_NOT_COMBINERS & (1 << p->use_yuv)) || p->custom_prog) {
if (!gl->GenPrograms || !gl->BindProgram)
mp_msg(MSGT_VO, MSGL_ERR,
"[gl] fragment program functions missing!\n");
else {
gl->GenPrograms(1, &p->fragprog);
gl->BindProgram(GL_FRAGMENT_PROGRAM, p->fragprog);
}
}
update_yuvconv(vo);
}
GLint max_texture_size;
gl->GetIntegerv(GL_MAX_TEXTURE_SIZE, &max_texture_size);
eosd_packer_reinit(p->eosd, max_texture_size, max_texture_size);
resize(vo, d_width, d_height);
gl->ClearColor(0.0f, 0.0f, 0.0f, 0.0f);
gl->Clear(GL_COLOR_BUFFER_BIT);
if (gl->SwapInterval && p->swap_interval >= 0)
gl->SwapInterval(p->swap_interval);
return 1;
}
static int create_window(struct vo *vo, uint32_t d_width, uint32_t d_height,
uint32_t flags)
{
struct gl_priv *p = vo->priv;
if (p->stereo_mode == GL_3D_QUADBUFFER)
flags |= VOFLAG_STEREO;
return p->glctx->create_window(p->glctx, d_width, d_height, flags);
}
static int config(struct vo *vo, uint32_t width, uint32_t height,
uint32_t d_width, uint32_t d_height, uint32_t flags,
uint32_t format)
{
struct gl_priv *p = vo->priv;
int xs, ys;
p->image_height = height;
p->image_width = width;
p->image_format = format;
p->image_d_width = d_width;
p->image_d_height = d_height;
p->is_yuv = mp_get_chroma_shift(p->image_format, &xs, &ys, NULL) > 0;
p->is_yuv |= (xs << 8) | (ys << 16);
glFindFormat(format, p->have_texture_rg, NULL, &p->texfmt, &p->gl_format,
&p->gl_type);
p->vo_flipped = !!(flags & VOFLAG_FLIPPING);
if (create_window(vo, d_width, d_height, flags) < 0)
return -1;
if (vo->config_count)
uninitGl(vo);
if (p->glctx->setGlWindow(p->glctx) == SET_WINDOW_FAILED)
return -1;
initGl(vo, vo->dwidth, vo->dheight);
return 0;
}
static void check_events(struct vo *vo)
{
struct gl_priv *p = vo->priv;
int e = p->glctx->check_events(vo);
if (e & VO_EVENT_REINIT) {
uninitGl(vo);
initGl(vo, vo->dwidth, vo->dheight);
}
if (e & VO_EVENT_RESIZE)
resize(vo, vo->dwidth, vo->dheight);
if (e & VO_EVENT_EXPOSE)
vo->want_redraw = true;
}
/**
* Creates the textures and the display list needed for displaying
* an OSD part.
* Callback function for osd_draw_text_ext().
*/
static void create_osd_texture(void *ctx, int x0, int y0, int w, int h,
unsigned char *src, unsigned char *srca,
int stride)
{
struct vo *vo = ctx;
struct gl_priv *p = vo->priv;
GL *gl = p->gl;
// initialize to 8 to avoid special-casing on alignment
int sx = 8, sy = 8;
GLint scale_type = p->scaled_osd ? GL_LINEAR : GL_NEAREST;
if (w <= 0 || h <= 0 || stride < w) {
mp_msg(MSGT_VO, MSGL_V, "Invalid dimensions OSD for part!\n");
return;
}
texSize(vo, w, h, &sx, &sy);
if (p->osdtexCnt >= MAX_OSD_PARTS) {
mp_msg(MSGT_VO, MSGL_ERR, "Too many OSD parts, contact the developers!\n");
return;
}
// create Textures for OSD part
gl->GenTextures(1, &p->osdtex[p->osdtexCnt]);
gl->BindTexture(p->target, p->osdtex[p->osdtexCnt]);
glCreateClearTex(gl, p->target, GL_LUMINANCE, GL_LUMINANCE,
GL_UNSIGNED_BYTE, scale_type, sx, sy, 0);
glUploadTex(gl, p->target, GL_LUMINANCE, GL_UNSIGNED_BYTE, src, stride,
0, 0, w, h, 0);
gl->GenTextures(1, &p->osdatex[p->osdtexCnt]);
gl->BindTexture(p->target, p->osdatex[p->osdtexCnt]);
glCreateClearTex(gl, p->target, GL_ALPHA, GL_ALPHA, GL_UNSIGNED_BYTE,
scale_type, sx, sy, 0);
{
int i;
char *tmp = malloc(stride * h);
// convert alpha from weird MPlayer scale.
// in-place is not possible since it is reused for future OSDs
for (i = h * stride - 1; i >= 0; i--)
tmp[i] = -srca[i];
glUploadTex(gl, p->target, GL_ALPHA, GL_UNSIGNED_BYTE, tmp, stride,
0, 0, w, h, 0);
free(tmp);
}
gl->BindTexture(p->target, 0);
// Create a list for rendering this OSD part
p->osdaDispList[p->osdtexCnt] = gl->GenLists(1);
gl->NewList(p->osdaDispList[p->osdtexCnt], GL_COMPILE);
// render alpha
gl->BindTexture(p->target, p->osdatex[p->osdtexCnt]);
glDrawTex(gl, x0, y0, w, h, 0, 0, w, h, sx, sy, p->use_rectangle == 1, 0, 0);
gl->EndList();
p->osdDispList[p->osdtexCnt] = gl->GenLists(1);
gl->NewList(p->osdDispList[p->osdtexCnt], GL_COMPILE);
// render OSD
gl->BindTexture(p->target, p->osdtex[p->osdtexCnt]);
glDrawTex(gl, x0, y0, w, h, 0, 0, w, h, sx, sy, p->use_rectangle == 1, 0, 0);
gl->EndList();
p->osdtexCnt++;
}
#define RENDER_OSD 1
#define RENDER_EOSD 2
/**
* \param type bit 0: render OSD, bit 1: render EOSD
*/
static void do_render_osd(struct vo *vo, int type)
{
struct gl_priv *p = vo->priv;
GL *gl = p->gl;
int draw_osd = (type & RENDER_OSD) && p->osdtexCnt > 0;
int draw_eosd = (type & RENDER_EOSD);
if (!draw_osd && !draw_eosd)
return;
// set special rendering parameters
if (!p->scaled_osd) {
gl->MatrixMode(GL_PROJECTION);
gl->PushMatrix();
gl->LoadIdentity();
gl->Ortho(0, vo->dwidth, vo->dheight, 0, -1, 1);
}
gl->Enable(GL_BLEND);
if (draw_eosd) {
gl->BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
drawEOSD(vo);
}
if (draw_osd) {
gl->Color4ub((p->osd_color >> 16) & 0xff, (p->osd_color >> 8) & 0xff,
p->osd_color & 0xff, 0xff - (p->osd_color >> 24));
// draw OSD
gl->BlendFunc(GL_ZERO, GL_ONE_MINUS_SRC_ALPHA);
gl->CallLists(p->osdtexCnt, GL_UNSIGNED_INT, p->osdaDispList);
gl->BlendFunc(GL_SRC_ALPHA, GL_ONE);
gl->CallLists(p->osdtexCnt, GL_UNSIGNED_INT, p->osdDispList);
}
// set rendering parameters back to defaults
gl->Disable(GL_BLEND);
if (!p->scaled_osd)
gl->PopMatrix();
gl->BindTexture(p->target, 0);
}
static void draw_osd(struct vo *vo, struct osd_state *osd)
{
struct gl_priv *p = vo->priv;
if (!p->use_osd)
return;
if (vo_osd_has_changed(osd)) {
int osd_h, osd_w;
clearOSD(vo);
osd_w = p->scaled_osd ? p->image_width : vo->dwidth;
osd_h = p->scaled_osd ? p->image_height : vo->dheight;
osd_draw_text_ext(osd, osd_w, osd_h, p->ass_border_x,
p->ass_border_y, p->ass_border_x,
p->ass_border_y, p->image_width,
p->image_height, create_osd_texture, vo);
}
if (vo_doublebuffering)
do_render_osd(vo, RENDER_OSD);
}
static void do_render(struct vo *vo)
{
struct gl_priv *p = vo->priv;
GL *gl = p->gl;
// Enable(GL_TEXTURE_2D);
// BindTexture(GL_TEXTURE_2D, texture_id);
gl->Color4f(1, 1, 1, 1);
if (p->is_yuv || p->custom_prog)
glEnableYUVConversion(gl, p->target, p->yuvconvtype);
if (p->stereo_mode) {
glEnable3DLeft(gl, p->stereo_mode);
glDrawTex(gl, 0, 0, p->image_width, p->image_height,
0, 0, p->image_width >> 1, p->image_height,
p->texture_width, p->texture_height,
p->use_rectangle == 1, p->is_yuv,
p->mpi_flipped ^ p->vo_flipped);
glEnable3DRight(gl, p->stereo_mode);
glDrawTex(gl, 0, 0, p->image_width, p->image_height,
p->image_width >> 1, 0, p->image_width >> 1,
p->image_height, p->texture_width, p->texture_height,
p->use_rectangle == 1, p->is_yuv,
p->mpi_flipped ^ p->vo_flipped);
glDisable3D(gl, p->stereo_mode);
} else {
glDrawTex(gl, 0, 0, p->image_width, p->image_height,
0, 0, p->image_width, p->image_height,
p->texture_width, p->texture_height,
p->use_rectangle == 1, p->is_yuv,
p->mpi_flipped ^ p->vo_flipped);
}
if (p->is_yuv || p->custom_prog)
glDisableYUVConversion(gl, p->target, p->yuvconvtype);
}
static void flip_page(struct vo *vo)
{
struct gl_priv *p = vo->priv;
GL *gl = p->gl;
if (vo_doublebuffering) {
if (p->use_glFinish)
gl->Finish();
p->glctx->swapGlBuffers(p->glctx);
if (aspect_scaling())
gl->Clear(GL_COLOR_BUFFER_BIT);
} else {
do_render(vo);
do_render_osd(vo, RENDER_OSD | RENDER_EOSD);
if (p->use_glFinish)
gl->Finish();
else
gl->Flush();
}
}
static int draw_slice(struct vo *vo, uint8_t *src[], int stride[], int w, int h,
int x, int y)
{
struct gl_priv *p = vo->priv;
GL *gl = p->gl;
p->mpi_flipped = stride[0] < 0;
glUploadTex(gl, p->target, p->gl_format, p->gl_type, src[0], stride[0],
x, y, w, h, p->slice_height);
if (p->is_yuv) {
int xs, ys;
mp_get_chroma_shift(p->image_format, &xs, &ys, NULL);
gl->ActiveTexture(GL_TEXTURE1);
glUploadTex(gl, p->target, p->gl_format, p->gl_type, src[1], stride[1],
x >> xs, y >> ys, w >> xs, h >> ys, p->slice_height);
gl->ActiveTexture(GL_TEXTURE2);
glUploadTex(gl, p->target, p->gl_format, p->gl_type, src[2], stride[2],
x >> xs, y >> ys, w >> xs, h >> ys, p->slice_height);
gl->ActiveTexture(GL_TEXTURE0);
}
return 0;
}
static uint32_t get_image(struct vo *vo, mp_image_t *mpi)
{
struct gl_priv *p = vo->priv;
GL *gl = p->gl;
int needed_size;
if (!gl->GenBuffers || !gl->BindBuffer || !gl->BufferData || !gl->MapBuffer) {
if (!p->err_shown)
mp_msg(MSGT_VO, MSGL_ERR, "[gl] extensions missing for dr\n"
"Expect a _major_ speed penalty\n");
p->err_shown = 1;
return VO_FALSE;
}
if (mpi->flags & MP_IMGFLAG_READABLE)
return VO_FALSE;
if (mpi->type != MP_IMGTYPE_STATIC && mpi->type != MP_IMGTYPE_TEMP &&
(mpi->type != MP_IMGTYPE_NUMBERED || mpi->number))
return VO_FALSE;
if (p->ati_hack) {
mpi->width = p->texture_width;
mpi->height = p->texture_height;
}
mpi->stride[0] = mpi->width * mpi->bpp / 8;
needed_size = mpi->stride[0] * mpi->height;
if (!p->buffer)
gl->GenBuffers(1, &p->buffer);
gl->BindBuffer(GL_PIXEL_UNPACK_BUFFER, p->buffer);
if (needed_size > p->buffersize) {
p->buffersize = needed_size;
gl->BufferData(GL_PIXEL_UNPACK_BUFFER, p->buffersize,
NULL, GL_DYNAMIC_DRAW);
}
if (!p->bufferptr)
p->bufferptr = gl->MapBuffer(GL_PIXEL_UNPACK_BUFFER, GL_WRITE_ONLY);
mpi->planes[0] = p->bufferptr;
gl->BindBuffer(GL_PIXEL_UNPACK_BUFFER, 0);
if (!mpi->planes[0]) {
if (!p->err_shown)
mp_msg(MSGT_VO, MSGL_ERR, "[gl] could not acquire buffer for dr\n"
"Expect a _major_ speed penalty\n");
p->err_shown = 1;
return VO_FALSE;
}
if (p->is_yuv) {
// planar YUV
int xs, ys, component_bits;
mp_get_chroma_shift(p->image_format, &xs, &ys, &component_bits);
int bp = (component_bits + 7) / 8;
mpi->flags |= MP_IMGFLAG_COMMON_STRIDE | MP_IMGFLAG_COMMON_PLANE;
mpi->stride[0] = mpi->width * bp;
mpi->planes[1] = mpi->planes[0] + mpi->stride[0] * mpi->height;
mpi->stride[1] = (mpi->width >> xs) * bp;
mpi->planes[2] = mpi->planes[1] + mpi->stride[1] * (mpi->height >> ys);
mpi->stride[2] = (mpi->width >> xs) * bp;
if (p->ati_hack) {
mpi->flags &= ~MP_IMGFLAG_COMMON_PLANE;
if (!p->buffer_uv[0])
gl->GenBuffers(2, p->buffer_uv);
int buffer_size = mpi->stride[1] * mpi->height;
if (buffer_size > p->buffersize_uv) {
gl->BindBuffer(GL_PIXEL_UNPACK_BUFFER, p->buffer_uv[0]);
gl->BufferData(GL_PIXEL_UNPACK_BUFFER, buffer_size, NULL,
GL_DYNAMIC_DRAW);
gl->BindBuffer(GL_PIXEL_UNPACK_BUFFER, p->buffer_uv[1]);
gl->BufferData(GL_PIXEL_UNPACK_BUFFER, buffer_size, NULL,
GL_DYNAMIC_DRAW);
p->buffersize_uv = buffer_size;
}
if (!p->bufferptr_uv[0]) {
gl->BindBuffer(GL_PIXEL_UNPACK_BUFFER, p->buffer_uv[0]);
p->bufferptr_uv[0] = gl->MapBuffer(GL_PIXEL_UNPACK_BUFFER,
GL_WRITE_ONLY);
gl->BindBuffer(GL_PIXEL_UNPACK_BUFFER, p->buffer_uv[1]);
p->bufferptr_uv[1] = gl->MapBuffer(GL_PIXEL_UNPACK_BUFFER,
GL_WRITE_ONLY);
}
mpi->planes[1] = p->bufferptr_uv[0];
mpi->planes[2] = p->bufferptr_uv[1];
}
}
mpi->flags |= MP_IMGFLAG_DIRECT;
return VO_TRUE;
}
static void clear_border(struct vo *vo, uint8_t *dst, int start, int stride,
int height, int full_height, int value)
{
int right_border = stride - start;
int bottom_border = full_height - height;
while (height > 0) {
if (right_border > 0)
memset(dst + start, value, right_border);
dst += stride;
height--;
}
if (bottom_border > 0)
memset(dst, value, stride * bottom_border);
}
static uint32_t draw_image(struct vo *vo, mp_image_t *mpi)
{
struct gl_priv *p = vo->priv;
GL *gl = p->gl;
int slice = p->slice_height;
int stride[3];
unsigned char *planes[3];
mp_image_t mpi2 = *mpi;
int w = mpi->w, h = mpi->h;
if (mpi->flags & MP_IMGFLAG_DRAW_CALLBACK)
goto skip_upload;
mpi2.flags = 0;
mpi2.type = MP_IMGTYPE_TEMP;
mpi2.width = mpi2.w;
mpi2.height = mpi2.h;
if (p->force_pbo && !(mpi->flags & MP_IMGFLAG_DIRECT) && !p->bufferptr
&& get_image(vo, &mpi2) == VO_TRUE)
{
int bp = mpi->bpp / 8;
int xs, ys, component_bits;
mp_get_chroma_shift(p->image_format, &xs, &ys, &component_bits);
if (p->is_yuv)
bp = (component_bits + 7) / 8;
memcpy_pic(mpi2.planes[0], mpi->planes[0], mpi->w * bp, mpi->h,
mpi2.stride[0], mpi->stride[0]);
int uv_bytes = (mpi->w >> xs) * bp;
if (p->is_yuv) {
memcpy_pic(mpi2.planes[1], mpi->planes[1], uv_bytes, mpi->h >> ys,
mpi2.stride[1], mpi->stride[1]);
memcpy_pic(mpi2.planes[2], mpi->planes[2], uv_bytes, mpi->h >> ys,
mpi2.stride[2], mpi->stride[2]);
}
if (p->ati_hack) {
// since we have to do a full upload we need to clear the borders
clear_border(vo, mpi2.planes[0], mpi->w * bp, mpi2.stride[0],
mpi->h, mpi2.height, 0);
if (p->is_yuv) {
int clear = get_chroma_clear_val(component_bits);
clear_border(vo, mpi2.planes[1], uv_bytes, mpi2.stride[1],
mpi->h >> ys, mpi2.height >> ys, clear);
clear_border(vo, mpi2.planes[2], uv_bytes, mpi2.stride[2],
mpi->h >> ys, mpi2.height >> ys, clear);
}
}
mpi = &mpi2;
}
stride[0] = mpi->stride[0];
stride[1] = mpi->stride[1];
stride[2] = mpi->stride[2];
planes[0] = mpi->planes[0];
planes[1] = mpi->planes[1];
planes[2] = mpi->planes[2];
p->mpi_flipped = stride[0] < 0;
if (mpi->flags & MP_IMGFLAG_DIRECT) {
intptr_t base = (intptr_t)planes[0];
if (p->ati_hack) {
w = p->texture_width;
h = p->texture_height;
}
if (p->mpi_flipped)
base += (mpi->h - 1) * stride[0];
planes[0] -= base;
planes[1] -= base;
planes[2] -= base;
gl->BindBuffer(GL_PIXEL_UNPACK_BUFFER, p->buffer);
gl->UnmapBuffer(GL_PIXEL_UNPACK_BUFFER);
p->bufferptr = NULL;
if (!(mpi->flags & MP_IMGFLAG_COMMON_PLANE))
planes[0] = planes[1] = planes[2] = NULL;
slice = 0; // always "upload" full texture
}
glUploadTex(gl, p->target, p->gl_format, p->gl_type, planes[0],
stride[0], 0, 0, w, h, slice);
if (p->is_yuv) {
int xs, ys;
mp_get_chroma_shift(p->image_format, &xs, &ys, NULL);
if ((mpi->flags & MP_IMGFLAG_DIRECT) && !(mpi->flags & MP_IMGFLAG_COMMON_PLANE)) {
gl->BindBuffer(GL_PIXEL_UNPACK_BUFFER, p->buffer_uv[0]);
gl->UnmapBuffer(GL_PIXEL_UNPACK_BUFFER);
p->bufferptr_uv[0] = NULL;
}
gl->ActiveTexture(GL_TEXTURE1);
glUploadTex(gl, p->target, p->gl_format, p->gl_type, planes[1],
stride[1], 0, 0, w >> xs, h >> ys, slice);
if ((mpi->flags & MP_IMGFLAG_DIRECT) && !(mpi->flags & MP_IMGFLAG_COMMON_PLANE)) {
gl->BindBuffer(GL_PIXEL_UNPACK_BUFFER, p->buffer_uv[1]);
gl->UnmapBuffer(GL_PIXEL_UNPACK_BUFFER);
p->bufferptr_uv[1] = NULL;
}
gl->ActiveTexture(GL_TEXTURE2);
glUploadTex(gl, p->target, p->gl_format, p->gl_type, planes[2],
stride[2], 0, 0, w >> xs, h >> ys, slice);
gl->ActiveTexture(GL_TEXTURE0);
}
if (mpi->flags & MP_IMGFLAG_DIRECT) {
gl->BindBuffer(GL_PIXEL_UNPACK_BUFFER, 0);
}
skip_upload:
if (vo_doublebuffering)
do_render(vo);
return VO_TRUE;
}
static mp_image_t *get_screenshot(struct vo *vo)
{
struct gl_priv *p = vo->priv;
GL *gl = p->gl;
mp_image_t *image = alloc_mpi(p->texture_width, p->texture_height,
p->image_format);
glDownloadTex(gl, p->target, p->gl_format, p->gl_type, image->planes[0],
image->stride[0]);
if (p->is_yuv) {
gl->ActiveTexture(GL_TEXTURE1);
glDownloadTex(gl, p->target, p->gl_format, p->gl_type, image->planes[1],
image->stride[1]);
gl->ActiveTexture(GL_TEXTURE2);
glDownloadTex(gl, p->target, p->gl_format, p->gl_type, image->planes[2],
image->stride[2]);
gl->ActiveTexture(GL_TEXTURE0);
}
image->width = p->image_width;
image->height = p->image_height;
image->w = p->image_d_width;
image->h = p->image_d_height;
return image;
}
static mp_image_t *get_window_screenshot(struct vo *vo)
{
struct gl_priv *p = vo->priv;
GL *gl = p->gl;
GLint vp[4]; //x, y, w, h
gl->GetIntegerv(GL_VIEWPORT, vp);
mp_image_t *image = alloc_mpi(vp[2], vp[3], IMGFMT_RGB24);
gl->BindBuffer(GL_PIXEL_UNPACK_BUFFER, 0);
gl->PixelStorei(GL_PACK_ALIGNMENT, 0);
gl->PixelStorei(GL_PACK_ROW_LENGTH, 0);
gl->ReadBuffer(GL_FRONT);
//flip image while reading
for (int y = 0; y < vp[3]; y++) {
gl->ReadPixels(vp[0], vp[1] + vp[3] - y - 1, vp[2], 1,
GL_RGB, GL_UNSIGNED_BYTE,
image->planes[0] + y * image->stride[0]);
}
return image;
}
static int query_format(struct vo *vo, uint32_t format)
{
struct gl_priv *p = vo->priv;
int depth;
int caps = VFCAP_CSP_SUPPORTED | VFCAP_CSP_SUPPORTED_BY_HW | VFCAP_FLIP |
VFCAP_HWSCALE_UP | VFCAP_HWSCALE_DOWN | VFCAP_ACCEPT_STRIDE;
if (p->use_osd)
caps |= VFCAP_OSD | VFCAP_EOSD | (p->scaled_osd ? 0 : VFCAP_EOSD_UNSCALED);
if (format == IMGFMT_RGB24 || format == IMGFMT_RGBA)
return caps;
if (p->use_yuv && mp_get_chroma_shift(format, NULL, NULL, &depth) &&
(depth == 8 || depth == 16 || glYUVLargeRange(p->use_yuv)) &&
(IMGFMT_IS_YUVP16_NE(format) || !IMGFMT_IS_YUVP16(format)))
return caps;
// HACK, otherwise we get only b&w with some filters (e.g. -vf eq)
// ideally MPlayer should be fixed instead not to use Y800 when it has the choice
if (!p->use_yuv && (format == IMGFMT_Y8 || format == IMGFMT_Y800))
return 0;
if (!p->use_ycbcr && (format == IMGFMT_UYVY || format == IMGFMT_YVYU))
return 0;
if (p->many_fmts &&
glFindFormat(format, p->have_texture_rg, NULL, NULL, NULL, NULL))
return caps;
return 0;
}
static void uninit(struct vo *vo)
{
struct gl_priv *p = vo->priv;
if (p->glctx)
uninitGl(vo);
free(p->custom_prog);
p->custom_prog = NULL;
free(p->custom_tex);
p->custom_tex = NULL;
uninit_mpglcontext(p->glctx);
p->glctx = NULL;
p->gl = NULL;
}
static int backend_valid(void *arg)
{
return mpgl_find_backend(*(const char **)arg) >= 0;
}
static int preinit(struct vo *vo, const char *arg)
{
struct gl_priv *p = talloc_zero(vo, struct gl_priv);
vo->priv = p;
*p = (struct gl_priv) {
.many_fmts = 1,
.use_osd = -1,
.use_yuv = -1,
.colorspace = MP_CSP_DETAILS_DEFAULTS,
.filter_strength = 0.5,
.use_rectangle = -1,
.ati_hack = -1,
.force_pbo = -1,
.swap_interval = vo_vsync,
.custom_prog = NULL,
.custom_tex = NULL,
.custom_tlin = 1,
.osd_color = 0xffffff,
};
p->eosd = eosd_packer_create(vo);
int allow_sw = 0;
char *backend_arg = NULL;
//essentially unused; for legacy warnings only
int user_colorspace = 0;
int levelconv = -1;
int aspect = -1;
const opt_t subopts[] = {
{"manyfmts", OPT_ARG_BOOL, &p->many_fmts, NULL},
{"osd", OPT_ARG_BOOL, &p->use_osd, NULL},
{"scaled-osd", OPT_ARG_BOOL, &p->scaled_osd, NULL},
{"ycbcr", OPT_ARG_BOOL, &p->use_ycbcr, NULL},
{"slice-height", OPT_ARG_INT, &p->slice_height, int_non_neg},
{"rectangle", OPT_ARG_INT, &p->use_rectangle,int_non_neg},
{"yuv", OPT_ARG_INT, &p->use_yuv, int_non_neg},
{"lscale", OPT_ARG_INT, &p->lscale, int_non_neg},
{"cscale", OPT_ARG_INT, &p->cscale, int_non_neg},
{"filter-strength", OPT_ARG_FLOAT, &p->filter_strength, NULL},
{"noise-strength", OPT_ARG_FLOAT, &p->noise_strength, NULL},
{"ati-hack", OPT_ARG_BOOL, &p->ati_hack, NULL},
{"force-pbo", OPT_ARG_BOOL, &p->force_pbo, NULL},
{"glfinish", OPT_ARG_BOOL, &p->use_glFinish, NULL},
{"swapinterval", OPT_ARG_INT, &p->swap_interval,NULL},
{"customprog", OPT_ARG_MSTRZ,&p->custom_prog, NULL},
{"customtex", OPT_ARG_MSTRZ,&p->custom_tex, NULL},
{"customtlin", OPT_ARG_BOOL, &p->custom_tlin, NULL},
{"customtrect", OPT_ARG_BOOL, &p->custom_trect, NULL},
{"mipmapgen", OPT_ARG_BOOL, &p->mipmap_gen, NULL},
{"osdcolor", OPT_ARG_INT, &p->osd_color, NULL},
{"stereo", OPT_ARG_INT, &p->stereo_mode, NULL},
{"sw", OPT_ARG_BOOL, &allow_sw, NULL},
{"backend", OPT_ARG_MSTRZ,&backend_arg, backend_valid},
// Removed options.
// They are only parsed to notify the user about the replacements.
{"aspect", OPT_ARG_BOOL, &aspect, NULL},
{"colorspace", OPT_ARG_INT, &user_colorspace, NULL},
{"levelconv", OPT_ARG_INT, &levelconv, NULL},
{NULL}
};
if (subopt_parse(arg, subopts) != 0) {
mp_msg(MSGT_VO, MSGL_FATAL,
"\n-vo gl command line help:\n"
"Example: mplayer -vo gl:slice-height=4\n"
"\nOptions:\n"
" nomanyfmts\n"
" Disable extended color formats for OpenGL 1.2 and later\n"
" slice-height=<0-...>\n"
" Slice size for texture transfer, 0 for whole image\n"
" noosd\n"
" Do not use OpenGL OSD code\n"
" scaled-osd\n"
" Render OSD at movie resolution and scale it\n"
" rectangle=<0,1,2>\n"
" 0: use power-of-two textures\n"
" 1: use texture_rectangle\n"
" 2: use texture_non_power_of_two\n"
" ati-hack\n"
" Workaround ATI bug with PBOs\n"
" force-pbo\n"
" Force use of PBO even if this involves an extra memcpy\n"
" glfinish\n"
" Call glFinish() before swapping buffers\n"
" swapinterval=<n>\n"
" Interval in displayed frames between to buffer swaps.\n"
" 1 is equivalent to enable VSYNC, 0 to disable VSYNC.\n"
" Requires GLX_SGI_swap_control support to work.\n"
" ycbcr\n"
" also try to use the GL_MESA_ycbcr_texture extension\n"
" yuv=<n>\n"
" 0: use software YUV to RGB conversion.\n"
" 1: deprecated, will use yuv=2 (used to be nVidia register combiners).\n"
" 2: use fragment program.\n"
" 3: use fragment program with gamma correction.\n"
" 4: use fragment program with gamma correction via lookup.\n"
" 5: use ATI-specific method (for older cards).\n"
" 6: use lookup via 3D texture.\n"
" lscale=<n>\n"
" 0: use standard bilinear scaling for luma.\n"
" 1: use improved bicubic scaling for luma.\n"
" 2: use cubic in X, linear in Y direction scaling for luma.\n"
" 3: as 1 but without using a lookup texture.\n"
" 4: experimental unsharp masking (sharpening).\n"
" 5: experimental unsharp masking (sharpening) with larger radius.\n"
" cscale=<n>\n"
" as lscale but for chroma (2x slower with little visible effect).\n"
" filter-strength=<value>\n"
" set the effect strength for some lscale/cscale filters\n"
" noise-strength=<value>\n"
" set how much noise to add. 1.0 is suitable for dithering to 6 bit.\n"
" customprog=<filename>\n"
" use a custom YUV conversion program\n"
" customtex=<filename>\n"
" use a custom YUV conversion lookup texture\n"
" nocustomtlin\n"
" use GL_NEAREST scaling for customtex texture\n"
" customtrect\n"
" use texture_rectangle for customtex texture\n"
" mipmapgen\n"
" generate mipmaps for the video image (use with TXB in customprog)\n"
" osdcolor=<0xAARRGGBB>\n"
" use the given color for the OSD\n"
" stereo=<n>\n"
" 0: normal display\n"
" 1: side-by-side to red-cyan stereo\n"
" 2: side-by-side to green-magenta stereo\n"
" 3: side-by-side to quadbuffer stereo\n"
" sw\n"
" allow using a software renderer, if such is detected\n"
" backend=<sys>\n"
" auto: auto-select (default)\n"
" cocoa: Cocoa/OSX\n"
" win: Win32/WGL\n"
" x11: X11/GLX\n"
"\n");
return -1;
}
if (user_colorspace != 0 || levelconv != -1) {
mp_msg(MSGT_VO, MSGL_ERR, "[gl] \"colorspace\" and \"levelconv\" "
"suboptions have been removed. Use options --colormatrix and"
" --colormatrix-input-range/--colormatrix-output-range instead.\n");
return -1;
}
if (aspect != -1) {
mp_msg(MSGT_VO, MSGL_ERR, "[gl] \"noaspect\" suboption has been "
"removed. Use --noaspect instead.\n");
return -1;
}
if (p->use_yuv == 1) {
mp_msg(MSGT_VO, MSGL_WARN, "[gl] yuv=1 (nVidia register combiners) have"
" been removed, using yuv=2 instead.\n");
p->use_yuv = 2;
}
int backend = backend_arg ? mpgl_find_backend(backend_arg) : GLTYPE_AUTO;
free(backend_arg);
p->glctx = init_mpglcontext(backend, vo);
if (!p->glctx)
goto err_out;
p->gl = p->glctx->gl;
if (p->use_yuv == -1 || !allow_sw) {
if (create_window(vo, 320, 200, VOFLAG_HIDDEN) < 0)
goto err_out;
if (p->glctx->setGlWindow(p->glctx) == SET_WINDOW_FAILED)
goto err_out;
if (!allow_sw && isSoftwareGl(vo))
goto err_out;
autodetectGlExtensions(vo);
// We created a window to test whether the GL context supports hardware
// acceleration and so on. Destroy that window to make sure all state
// associated with it is lost.
uninit(vo);
p->glctx = init_mpglcontext(backend, vo);
if (!p->glctx)
goto err_out;
p->gl = p->glctx->gl;
}
if (p->many_fmts)
mp_msg(MSGT_VO, MSGL_INFO, "[gl] using extended formats. "
"Use -vo gl:nomanyfmts if playback fails.\n");
mp_msg(MSGT_VO, MSGL_V, "[gl] Using %d as slice height "
"(0 means image height).\n", p->slice_height);
return 0;
err_out:
uninit(vo);
return -1;
}
static int control(struct vo *vo, uint32_t request, void *data)
{
struct gl_priv *p = vo->priv;
switch (request) {
case VOCTRL_QUERY_FORMAT:
return query_format(vo, *(uint32_t *)data);
case VOCTRL_DRAW_IMAGE:
return draw_image(vo, data);
case VOCTRL_DRAW_EOSD:
if (!data)
return VO_FALSE;
genEOSD(vo, data);
if (vo_doublebuffering)
do_render_osd(vo, RENDER_EOSD);
return VO_TRUE;
case VOCTRL_GET_EOSD_RES: {
mp_eosd_res_t *r = data;
r->w = vo->dwidth;
r->h = vo->dheight;
r->mt = r->mb = r->ml = r->mr = 0;
if (p->scaled_osd) {
r->w = p->image_width;
r->h = p->image_height;
} else if (aspect_scaling()) {
r->ml = r->mr = p->ass_border_x;
r->mt = r->mb = p->ass_border_y;
}
return VO_TRUE;
}
case VOCTRL_ONTOP:
if (!p->glctx->ontop)
break;
p->glctx->ontop(vo);
return VO_TRUE;
case VOCTRL_FULLSCREEN:
p->glctx->fullscreen(vo);
resize(vo, vo->dwidth, vo->dheight);
return VO_TRUE;
case VOCTRL_BORDER:
if (!p->glctx->border)
break;
p->glctx->border(vo);
resize(vo, vo->dwidth, vo->dheight);
return VO_TRUE;
case VOCTRL_GET_PANSCAN:
return VO_TRUE;
case VOCTRL_SET_PANSCAN:
resize(vo, vo->dwidth, vo->dheight);
return VO_TRUE;
case VOCTRL_GET_EQUALIZER:
if (p->is_yuv) {
struct voctrl_get_equalizer_args *args = data;
return mp_csp_equalizer_get(&p->video_eq, args->name, args->valueptr)
>= 0 ? VO_TRUE : VO_NOTIMPL;
}
break;
case VOCTRL_SET_EQUALIZER:
if (p->is_yuv) {
struct voctrl_set_equalizer_args *args = data;
if (mp_csp_equalizer_set(&p->video_eq, args->name, args->value) < 0)
return VO_NOTIMPL;
update_yuvconv(vo);
vo->want_redraw = true;
return VO_TRUE;
}
break;
case VOCTRL_SET_YUV_COLORSPACE: {
bool supports_csp = (1 << p->use_yuv) & MASK_NOT_COMBINERS;
if (vo->config_count && supports_csp) {
p->colorspace = *(struct mp_csp_details *)data;
update_yuvconv(vo);
vo->want_redraw = true;
}
return VO_TRUE;
}
case VOCTRL_GET_YUV_COLORSPACE:
*(struct mp_csp_details *)data = p->colorspace;
return VO_TRUE;
case VOCTRL_UPDATE_SCREENINFO:
if (!p->glctx->update_xinerama_info)
break;
p->glctx->update_xinerama_info(vo);
return VO_TRUE;
case VOCTRL_REDRAW_FRAME:
if (vo_doublebuffering)
do_render(vo);
return true;
case VOCTRL_SCREENSHOT: {
struct voctrl_screenshot_args *args = data;
if (args->full_window)
args->out_image = get_window_screenshot(vo);
else
args->out_image = get_screenshot(vo);
return true;
}
}
return VO_NOTIMPL;
}
const struct vo_driver video_out_gl = {
.is_new = true,
.info = &(const vo_info_t) {
"OpenGL",
"gl",
"Reimar Doeffinger <Reimar.Doeffinger@gmx.de>",
""
},
.preinit = preinit,
.config = config,
.control = control,
.draw_slice = draw_slice,
.draw_osd = draw_osd,
.flip_page = flip_page,
.check_events = check_events,
.uninit = uninit,
};
// "-vo gl" used to accept software renderers by default. This is not the case
// anymore: you have to use "-vo gl:sw" to get this. This means gl and gl_nosw
// are exactly the same thing now. Keep gl_nosw to not break user configs.
const struct vo_driver video_out_gl_nosw =
{
.is_new = true,
.info = &(const vo_info_t) {
"OpenGL no software rendering",
"gl_nosw",
"Reimar Doeffinger <Reimar.Doeffinger@gmx.de>",
""
},
.preinit = preinit,
.config = config,
.control = control,
.draw_slice = draw_slice,
.draw_osd = draw_osd,
.flip_page = flip_page,
.check_events = check_events,
.uninit = uninit,
};
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