mirror of https://github.com/mpv-player/mpv
144 lines
3.9 KiB
C
144 lines
3.9 KiB
C
/*
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* This file is part of mpv.
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*
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* Parts based on the MPlayer VA-API patch (see vo_vaapi.c).
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*
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* mpv 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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* mpv 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 mpv. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <stddef.h>
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#include <assert.h>
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#include <GL/glx.h>
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#include <va/va_glx.h>
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#include "x11_common.h"
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#include "gl_common.h"
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#include "video/vaapi.h"
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#include "video/hwdec.h"
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struct priv {
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struct mp_log *log;
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struct mp_vaapi_ctx *ctx;
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VADisplay *display;
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GLuint gl_texture;
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void *vaglx_surface;
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};
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static void destroy_texture(struct gl_hwdec *hw)
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{
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struct priv *p = hw->priv;
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VAStatus status;
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if (p->vaglx_surface) {
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va_lock(p->ctx);
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status = vaDestroySurfaceGLX(p->display, p->vaglx_surface);
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va_unlock(p->ctx);
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CHECK_VA_STATUS(p, "vaDestroySurfaceGLX()");
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p->vaglx_surface = NULL;
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}
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glDeleteTextures(1, &p->gl_texture);
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p->gl_texture = 0;
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}
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static void destroy(struct gl_hwdec *hw)
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{
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struct priv *p = hw->priv;
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destroy_texture(hw);
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va_destroy(p->ctx);
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}
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static int create(struct gl_hwdec *hw)
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{
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if (hw->info->vaapi_ctx)
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return -1;
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if (!hw->mpgl->vo->x11 || !glXGetCurrentContext())
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return -1;
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struct priv *p = talloc_zero(hw, struct priv);
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hw->priv = p;
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p->log = hw->log;
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p->display = vaGetDisplayGLX(hw->mpgl->vo->x11->display);
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if (!p->display)
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return -1;
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p->ctx = va_initialize(p->display, p->log);
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if (!p->ctx) {
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vaTerminate(p->display);
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return -1;
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}
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hw->info->vaapi_ctx = p->ctx;
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hw->converted_imgfmt = IMGFMT_RGB0;
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return 0;
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}
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static int reinit(struct gl_hwdec *hw, const struct mp_image_params *params)
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{
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struct priv *p = hw->priv;
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GL *gl = hw->mpgl->gl;
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VAStatus status;
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destroy_texture(hw);
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gl->GenTextures(1, &p->gl_texture);
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gl->BindTexture(GL_TEXTURE_2D, p->gl_texture);
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gl->TexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
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gl->TexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
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gl->TexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
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gl->TexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
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gl->TexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, params->w, params->h, 0,
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GL_RGBA, GL_UNSIGNED_BYTE, NULL);
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gl->BindTexture(GL_TEXTURE_2D, 0);
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va_lock(p->ctx);
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status = vaCreateSurfaceGLX(p->display, GL_TEXTURE_2D,
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p->gl_texture, &p->vaglx_surface);
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va_unlock(p->ctx);
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return CHECK_VA_STATUS(p, "vaCreateSurfaceGLX()") ? 0 : -1;
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}
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static int map_image(struct gl_hwdec *hw, struct mp_image *hw_image,
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GLuint *out_textures)
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{
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struct priv *p = hw->priv;
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VAStatus status;
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if (!p->vaglx_surface)
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return -1;
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va_lock(p->ctx);
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status = vaCopySurfaceGLX(p->display, p->vaglx_surface,
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va_surface_id(hw_image),
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va_get_colorspace_flag(hw_image->params.colorspace));
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va_unlock(p->ctx);
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if (!CHECK_VA_STATUS(p, "vaCopySurfaceGLX()"))
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return -1;
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out_textures[0] = p->gl_texture;
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return 0;
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}
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static void unmap_image(struct gl_hwdec *hw)
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{
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}
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const struct gl_hwdec_driver gl_hwdec_vaglx = {
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.api_name = "vaapi",
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.imgfmt = IMGFMT_VAAPI,
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.create = create,
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.reinit = reinit,
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.map_image = map_image,
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.unmap_image = unmap_image,
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.destroy = destroy,
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};
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