static bool update_async_texrender(struct obs_source *source, const struct source_frame *frame) { texture_t tex = source->async_texture; texrender_t texrender = source->async_convert_texrender; texrender_reset(texrender); upload_raw_frame(tex, frame); uint32_t cx = source->async_width; uint32_t cy = source->async_height; effect_t conv = obs->video.conversion_effect; technique_t tech = effect_gettechnique(conv, select_conversion_technique(frame->format)); if (!texrender_begin(texrender, cx, cy)) return false; technique_begin(tech); technique_beginpass(tech, 0); effect_settexture(conv, effect_getparambyname(conv, "image"), tex); set_eparam(conv, "width", (float)cx); set_eparam(conv, "height", (float)cy); set_eparam(conv, "width_i", 1.0f / cx); set_eparam(conv, "height_i", 1.0f / cy); set_eparam(conv, "width_d2", cx * 0.5f); set_eparam(conv, "height_d2", cy * 0.5f); set_eparam(conv, "width_d2_i", 1.0f / (cx * 0.5f)); set_eparam(conv, "height_d2_i", 1.0f / (cy * 0.5f)); set_eparam(conv, "input_height", (float)cy); gs_ortho(0.f, (float)cx, 0.f, (float)cy, -100.f, 100.f); gs_draw_sprite(tex, 0, cx, cy); technique_endpass(tech); technique_end(tech); texrender_end(texrender); return true; }
static void render_convert_texture(struct obs_core_video *video, int cur_texture, int prev_texture) { gs_texture_t *texture = video->output_textures[prev_texture]; gs_texture_t *target = video->convert_textures[cur_texture]; float fwidth = (float)video->output_width; float fheight = (float)video->output_height; size_t passes, i; gs_effect_t *effect = video->conversion_effect; gs_eparam_t *image = gs_effect_get_param_by_name(effect, "image"); gs_technique_t *tech = gs_effect_get_technique(effect, video->conversion_tech); if (!video->textures_output[prev_texture]) return; set_eparam(effect, "u_plane_offset", (float)video->plane_offsets[1]); set_eparam(effect, "v_plane_offset", (float)video->plane_offsets[2]); set_eparam(effect, "width", fwidth); set_eparam(effect, "height", fheight); set_eparam(effect, "width_i", 1.0f / fwidth); set_eparam(effect, "height_i", 1.0f / fheight); set_eparam(effect, "width_d2", fwidth * 0.5f); set_eparam(effect, "height_d2", fheight * 0.5f); set_eparam(effect, "width_d2_i", 1.0f / (fwidth * 0.5f)); set_eparam(effect, "height_d2_i", 1.0f / (fheight * 0.5f)); set_eparam(effect, "input_height", (float)video->conversion_height); gs_effect_set_texture(image, texture); gs_set_render_target(target, NULL); set_render_size(video->output_width, video->conversion_height); gs_enable_blending(false); passes = gs_technique_begin(tech); for (i = 0; i < passes; i++) { gs_technique_begin_pass(tech, i); gs_draw_sprite(texture, 0, video->output_width, video->conversion_height); gs_technique_end_pass(tech); } gs_technique_end(tech); gs_enable_blending(true); video->textures_converted[cur_texture] = true; }