void device_load_pixelshader(device_t device, shader_t pixelshader)
{
GLuint program = 0;
if (device->cur_pixel_shader == pixelshader)
return;
if (pixelshader && pixelshader->type != SHADER_PIXEL) {
blog(LOG_ERROR, "Specified shader is not a pixel shader");
goto fail;
}
device->cur_pixel_shader = pixelshader;
if (pixelshader)
program = pixelshader->program;
glUseProgramStages(device->pipeline, GL_FRAGMENT_SHADER_BIT, program);
if (!gl_success("glUseProgramStages"))
goto fail;
clear_textures(device);
if (pixelshader)
load_default_pixelshader_samplers(device, pixelshader);
return;
fail:
blog(LOG_ERROR, "device_load_pixelshader (GL) failed");
}
void device_load_pixelshader(device_t device, shader_t pixelshader)
{
ID3D11PixelShader *shader = NULL;
ID3D11Buffer *constants = NULL;
ID3D11SamplerState *states[GS_MAX_TEXTURES];
if (device->curPixelShader == pixelshader)
return;
gs_pixel_shader *ps = static_cast<gs_pixel_shader*>(pixelshader);
if (pixelshader) {
if (pixelshader->type != SHADER_PIXEL) {
blog(LOG_ERROR, "device_load_pixelshader (D3D11): "
"Specified shader is not a pixel "
"shader");
return;
}
shader = ps->shader;
constants = ps->constants;
ps->GetSamplerStates(states);
} else {
memset(states, 0, sizeof(states));
}
clear_textures(device);
device->curPixelShader = ps;
device->context->PSSetShader(shader, NULL, 0);
device->context->PSSetConstantBuffers(0, 1, &constants);
device->context->PSSetSamplers(0, GS_MAX_TEXTURES, states);
}
void device_load_pixelshader(gs_device_t *device, gs_shader_t *pixelshader)
{
if (device->cur_pixel_shader == pixelshader)
return;
if (pixelshader && pixelshader->type != GS_SHADER_PIXEL) {
blog(LOG_ERROR, "Specified shader is not a pixel shader");
goto fail;
}
device->cur_pixel_shader = pixelshader;
clear_textures(device);
if (pixelshader)
load_default_pixelshader_samplers(device, pixelshader);
return;
fail:
blog(LOG_ERROR, "device_load_pixelshader (GL) failed");
}
void device_beginscene(device_t device)
{
clear_textures(device);
}
void device_begin_scene(gs_device_t device)
{
clear_textures(device);
}
