Beispiel #1
0
static void render_nv12(struct obs_core_video *video, gs_texture_t *target,
		int cur_texture, int prev_texture, const char *tech_name,
		uint32_t width, uint32_t height)
{
	gs_texture_t *texture = video->output_textures[prev_texture];

	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, tech_name);
	size_t         passes, i;

	gs_effect_set_texture(image, texture);

	gs_set_render_target(target, NULL);
	set_render_size(width, 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, width, height);
		gs_technique_end_pass(tech);
	}
	gs_technique_end(tech);
	gs_enable_blending(true);
}
void draw_uv_vbuffer(gs_vertbuffer_t *vbuf, gs_texture_t *tex,
		gs_effect_t *effect, uint32_t num_verts)
{
	gs_texture_t   *texture = tex;
	gs_technique_t *tech = gs_effect_get_technique(effect, "Draw");
	gs_eparam_t    *image = gs_effect_get_param_by_name(effect, "image");
	size_t      passes;

	if (vbuf == NULL || tex == NULL) return;

	gs_vertexbuffer_flush(vbuf);
	gs_load_vertexbuffer(vbuf);
	gs_load_indexbuffer(NULL);

	passes = gs_technique_begin(tech);

	for (size_t i = 0; i < passes; i++) {
		if (gs_technique_begin_pass(tech, i)) {
			gs_effect_set_texture(image, texture);

			gs_draw(GS_TRIS, 0, num_verts);

			gs_technique_end_pass(tech);
		}
	}

	gs_technique_end(tech);
}
Beispiel #3
0
static inline void render_output_texture(struct obs_core_video *video,
		int cur_texture, int prev_texture)
{
	profile_start(render_output_texture_name);

	gs_texture_t *texture = video->render_textures[prev_texture];
	gs_texture_t *target  = video->output_textures[cur_texture];
	uint32_t     width   = gs_texture_get_width(target);
	uint32_t     height  = gs_texture_get_height(target);
	struct vec2  base_i;

	vec2_set(&base_i,
		1.0f / (float)video->base_width,
		1.0f / (float)video->base_height);

	gs_effect_t    *effect  = get_scale_effect(video, width, height);
	gs_technique_t *tech;

	if (video->ovi.output_format == VIDEO_FORMAT_RGBA) {
		tech = gs_effect_get_technique(effect, "Draw");
	} else {
		tech = gs_effect_get_technique(effect, "DrawMatrix");
	}

	gs_eparam_t    *image   = gs_effect_get_param_by_name(effect, "image");
	gs_eparam_t    *matrix  = gs_effect_get_param_by_name(effect,
			"color_matrix");
	gs_eparam_t    *bres_i  = gs_effect_get_param_by_name(effect,
			"base_dimension_i");
	size_t      passes, i;

	if (!video->textures_rendered[prev_texture])
		goto end;

	gs_set_render_target(target, NULL);
	set_render_size(width, height);

	if (bres_i)
		gs_effect_set_vec2(bres_i, &base_i);

	gs_effect_set_val(matrix, video->color_matrix, sizeof(float) * 16);
	gs_effect_set_texture(image, texture);

	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, width, height);
		gs_technique_end_pass(tech);
	}
	gs_technique_end(tech);
	gs_enable_blending(true);

	video->textures_output[cur_texture] = true;

end:
	profile_end(render_output_texture_name);
}
Beispiel #4
0
static void render_convert_texture(struct obs_core_video *video,
		int cur_texture, int prev_texture)
{
	profile_start(render_convert_texture_name);

	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])
		goto end;

	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;

end:
	profile_end(render_convert_texture_name);
}
Beispiel #5
0
bool gs_effect_loop(gs_effect_t *effect, const char *name)
{
	if (!effect) {
		return false;
	}

	if (!effect->looping) {
		gs_technique_t *tech;

		if (!!gs_get_effect()) {
			blog(LOG_WARNING, "gs_effect_loop: An effect is "
			                  "already active");
			return false;
		}

		tech = gs_effect_get_technique(effect, name);
		if (!tech) {
			blog(LOG_WARNING, "gs_effect_loop: Technique '%s' "
			                  "not found.", name);
			return false;
		}

		gs_technique_begin(tech);

		effect->looping = true;
	} else {
		gs_technique_end_pass(effect->cur_technique);
	}

	if (!gs_technique_begin_pass(effect->cur_technique,
				effect->loop_pass++)) {
		gs_technique_end(effect->cur_technique);
		effect->looping = false;
		effect->loop_pass = 0;
		return false;
	}

	return true;
}
Beispiel #6
0
static void draw_texture(struct dc_capture *capture, gs_effect_t *effect)
{
	gs_texture_t   *texture = capture->texture;
	gs_technique_t *tech    = gs_effect_get_technique(effect, "Draw");
	gs_eparam_t    *image   = gs_effect_get_param_by_name(effect, "image");
	size_t      passes;

	gs_effect_set_texture(image, texture);

	passes = gs_technique_begin(tech);
	for (size_t i = 0; i < passes; i++) {
		if (gs_technique_begin_pass(tech, i)) {
			if (capture->compatibility)
				gs_draw_sprite(texture, GS_FLIP_V, 0, 0);
			else
				gs_draw_sprite(texture, 0, 0, 0);

			gs_technique_end_pass(tech);
		}
	}
	gs_technique_end(tech);
}