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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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[377/906] gldisplay: avoid to request gl thread when generating a texture
Thanks to the texture pool the gl textures are re-used. When re-using one, no opengl code is executed so do not need to request gl thread.
This commit is contained in:
Julien Isorce
Matthew Waters
parent
1cb459d4d5
commit
192bf749ea
1 changed files with 80 additions and 78 deletions
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@ -1895,89 +1895,64 @@ void
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gst_gl_display_glgen_texture (GstGLDisplay * display, GLuint * pTexture,
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GLint width, GLint height)
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{
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if (display->isAlive) {
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GQueue *sub_texture_pool = NULL;
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glGenTextures (1, pTexture);
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glBindTexture (GL_TEXTURE_RECTANGLE_ARB, *pTexture);
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//make a unique key from w and h
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//the key cannot be w*h because (4*6 = 6*4 = 2*12 = 12*2)
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guint key = (gint) width;
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key <<= 16;
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key |= (gint) height;
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sub_texture_pool =
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g_hash_table_lookup (display->texture_pool, GUINT_TO_POINTER (key));
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//if there is a sub texture pool associated to th given key
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if (sub_texture_pool && g_queue_get_length (sub_texture_pool) > 0) {
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//a texture is available in the pool
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GstGLDisplayTex *tex = g_queue_pop_head (sub_texture_pool);
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*pTexture = tex->texture;
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g_free (tex);
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GST_LOG ("get texture id:%d from the sub texture pool: %d",
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*pTexture, key);
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} else {
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//sub texture pool does not exist yet or empty
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glGenTextures (1, pTexture);
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glBindTexture (GL_TEXTURE_RECTANGLE_ARB, *pTexture);
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switch (display->upload_video_format) {
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case GST_VIDEO_FORMAT_RGB:
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case GST_VIDEO_FORMAT_BGR:
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case GST_VIDEO_FORMAT_RGBx:
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case GST_VIDEO_FORMAT_BGRx:
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case GST_VIDEO_FORMAT_xRGB:
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case GST_VIDEO_FORMAT_xBGR:
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case GST_VIDEO_FORMAT_RGBA:
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case GST_VIDEO_FORMAT_BGRA:
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case GST_VIDEO_FORMAT_ARGB:
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case GST_VIDEO_FORMAT_ABGR:
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switch (display->upload_video_format) {
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case GST_VIDEO_FORMAT_RGB:
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case GST_VIDEO_FORMAT_BGR:
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case GST_VIDEO_FORMAT_RGBx:
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case GST_VIDEO_FORMAT_BGRx:
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case GST_VIDEO_FORMAT_xRGB:
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case GST_VIDEO_FORMAT_xBGR:
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case GST_VIDEO_FORMAT_RGBA:
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case GST_VIDEO_FORMAT_BGRA:
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case GST_VIDEO_FORMAT_ARGB:
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case GST_VIDEO_FORMAT_ABGR:
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glTexImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, GL_RGBA8,
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width, height, 0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
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break;
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case GST_VIDEO_FORMAT_YUY2:
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case GST_VIDEO_FORMAT_UYVY:
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switch (display->upload_colorspace_conversion) {
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case GST_GL_DISPLAY_CONVERSION_GLSL:
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case GST_GL_DISPLAY_CONVERSION_MATRIX:
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glTexImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, GL_RGBA8,
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width, height, 0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
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break;
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case GST_VIDEO_FORMAT_YUY2:
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case GST_VIDEO_FORMAT_UYVY:
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switch (display->upload_colorspace_conversion) {
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case GST_GL_DISPLAY_CONVERSION_GLSL:
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case GST_GL_DISPLAY_CONVERSION_MATRIX:
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glTexImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, GL_RGBA8,
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width, height, 0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
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break;
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case GST_GL_DISPLAY_CONVERSION_MESA:
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if (display->upload_width != display->upload_data_width ||
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display->upload_height != display->upload_data_height)
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glTexImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, GL_RGBA8,
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width, height, 0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
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else
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glTexImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, GL_YCBCR_MESA, width,
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height, 0, GL_YCBCR_MESA, GL_UNSIGNED_SHORT_8_8_MESA, NULL);
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break;
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default:
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g_assert_not_reached ();
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}
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break;
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case GST_VIDEO_FORMAT_I420:
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case GST_VIDEO_FORMAT_YV12:
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case GST_VIDEO_FORMAT_AYUV:
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glTexImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, GL_RGBA8,
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width, height, 0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
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case GST_GL_DISPLAY_CONVERSION_MESA:
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if (display->upload_width != display->upload_data_width ||
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display->upload_height != display->upload_data_height)
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glTexImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, GL_RGBA8,
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width, height, 0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
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else
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glTexImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, GL_YCBCR_MESA, width,
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height, 0, GL_YCBCR_MESA, GL_UNSIGNED_SHORT_8_8_MESA, NULL);
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break;
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default:
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g_assert_not_reached ();
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}
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break;
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case GST_VIDEO_FORMAT_I420:
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case GST_VIDEO_FORMAT_YV12:
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case GST_VIDEO_FORMAT_AYUV:
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glTexImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, GL_RGBA8,
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width, height, 0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
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break;
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default:
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g_assert_not_reached ();
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}
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glTexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_MAG_FILTER,
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GL_LINEAR);
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glTexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_MIN_FILTER,
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GL_LINEAR);
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glTexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_WRAP_S,
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GL_CLAMP_TO_EDGE);
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glTexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_WRAP_T,
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GL_CLAMP_TO_EDGE);
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glTexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_MAG_FILTER,
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GL_LINEAR);
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glTexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_MIN_FILTER,
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GL_LINEAR);
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glTexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_WRAP_S,
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GL_CLAMP_TO_EDGE);
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glTexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_WRAP_T,
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GL_CLAMP_TO_EDGE);
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GST_LOG ("generate texture id:%d", *pTexture);
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}
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} else
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*pTexture = 0;
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GST_LOG ("generated texture id:%d", *pTexture);
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}
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@ -2169,11 +2144,38 @@ gst_gl_display_gen_texture (GstGLDisplay * display, GLuint * pTexture,
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GLint width, GLint height)
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{
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gst_gl_display_lock (display);
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display->gen_texture_width = width;
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display->gen_texture_height = height;
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gst_gl_window_send_message (display->gl_window,
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GST_GL_WINDOW_CB (gst_gl_display_thread_gen_texture), display);
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*pTexture = display->gen_texture;
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if (display->isAlive) {
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GQueue *sub_texture_pool = NULL;
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//make a unique key from w and h
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//the key cannot be w*h because (4*6 = 6*4 = 2*12 = 12*2)
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guint key = (gint) width;
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key <<= 16;
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key |= (gint) height;
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sub_texture_pool =
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g_hash_table_lookup (display->texture_pool, GUINT_TO_POINTER (key));
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//if there is a sub texture pool associated to the given key
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if (sub_texture_pool && g_queue_get_length (sub_texture_pool) > 0) {
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//a texture is available in the pool
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GstGLDisplayTex *tex = g_queue_pop_head (sub_texture_pool);
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*pTexture = tex->texture;
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g_free (tex);
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GST_LOG ("get texture id:%d from the sub texture pool: %d",
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*pTexture, key);
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} else {
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//only in this case we want to ask a texture from the gl thread
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display->gen_texture_width = width;
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display->gen_texture_height = height;
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gst_gl_window_send_message (display->gl_window,
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GST_GL_WINDOW_CB (gst_gl_display_thread_gen_texture), display);
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*pTexture = display->gen_texture;
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}
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} else
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*pTexture = 0;
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gst_gl_display_unlock (display);
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}
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