static void obs_source_draw_async_texture(struct obs_source *source)
{
effect_t effect = gs_geteffect();
bool yuv = format_is_yuv(source->async_format);
bool limited_range = yuv && !source->async_full_range;
const char *type = yuv ? "DrawMatrix" : "Draw";
bool def_draw = (!effect);
technique_t tech;
if (def_draw) {
effect = obs_get_default_effect();
tech = effect_gettechnique(effect, type);
technique_begin(tech);
technique_beginpass(tech, 0);
}
obs_source_draw_texture(source, effect,
yuv ? source->async_color_matrix : NULL,
limited_range ? source->async_color_range_min : NULL,
limited_range ? source->async_color_range_max : NULL);
if (def_draw) {
technique_endpass(tech);
technique_end(tech);
}
}
void device_draw(device_t device, enum gs_draw_mode draw_mode,
uint32_t start_vert, uint32_t num_verts)
{
try {
if (!device->curVertexShader)
throw "No vertex shader specified";
if (!device->curPixelShader)
throw "No pixel shader specified";
if (!device->curVertexBuffer)
throw "No vertex buffer specified";
effect_t effect = gs_geteffect();
if (effect)
effect_updateparams(effect);
device->UpdateBlendState();
device->UpdateRasterState();
device->UpdateZStencilState();
device->UpdateViewProjMatrix();
device->curVertexShader->UploadParams();
device->curPixelShader->UploadParams();
} catch (const char *error) {
blog(LOG_ERROR, "device_draw (D3D11): %s", error);
return;
} catch (HRError error) {
blog(LOG_ERROR, "device_draw (D3D11): %s (%08lX)", error.str,
error.hr);
return;
}
D3D10_PRIMITIVE_TOPOLOGY newTopology = ConvertGSTopology(draw_mode);
if (device->curToplogy != newTopology) {
device->context->IASetPrimitiveTopology(newTopology);
device->curToplogy = newTopology;
}
if (device->curIndexBuffer) {
if (num_verts == 0)
num_verts = (uint32_t)device->curIndexBuffer->num;
device->context->DrawIndexed(num_verts, start_vert, 0);
} else {
if (num_verts == 0)
num_verts = (uint32_t)device->curVertexBuffer->numVerts;
device->context->Draw(num_verts, start_vert);
}
}
static inline void obs_source_main_render(obs_source_t source)
{
uint32_t flags = source->info.output_flags;
bool color_matrix = (flags & OBS_SOURCE_COLOR_MATRIX) != 0;
bool custom_draw = (flags & OBS_SOURCE_CUSTOM_DRAW) != 0;
bool default_effect = !source->filter_parent &&
source->filters.num == 0 &&
!custom_draw;
if (default_effect)
obs_source_default_render(source, color_matrix);
else
source->info.video_render(source->context.data,
custom_draw ? NULL : gs_geteffect());
}
void xcursor_render(xcursor_t *data) {
/* TODO: why do i need effects ? */
effect_t effect = gs_geteffect();
eparam_t image = effect_getparambyname(effect, "image");
effect_settexture(image, data->tex);
gs_matrix_push();
gs_matrix_translate3f(-data->pos_x, -data->pos_y, 0);
gs_enable_blending(True);
gs_blendfunction(GS_BLEND_ONE, GS_BLEND_INVSRCALPHA);
gs_draw_sprite(data->tex, 0, 0, 0);
gs_matrix_pop();
}
void device_draw(device_t device, enum gs_draw_mode draw_mode,
uint32_t start_vert, uint32_t num_verts)
{
struct gs_index_buffer *ib = device->cur_index_buffer;
GLenum topology = convert_gs_topology(draw_mode);
effect_t effect = gs_geteffect();
if (!can_render(device))
goto fail;
if (effect)
effect_updateparams(effect);
shader_update_textures(device->cur_pixel_shader);
update_viewproj_matrix(device);
#ifdef _DEBUG
if (!check_shader_pipeline_validity(device))
goto fail;
#endif
if (ib) {
if (num_verts == 0)
num_verts = (uint32_t)device->cur_index_buffer->num;
glDrawElements(topology, num_verts, ib->gl_type,
(const GLvoid*)(start_vert * ib->width));
if (!gl_success("glDrawElements"))
goto fail;
} else {
if (num_verts == 0)
num_verts = (uint32_t)device->cur_vertex_buffer->num;
glDrawArrays(topology, start_vert, num_verts);
if (!gl_success("glDrawArrays"))
goto fail;
}
return;
fail:
blog(LOG_ERROR, "device_draw (GL) failed");
}
