std::string ShaderEffect_Impl::add_defines(GraphicContext &gc, const std::string * const code, const ShaderEffectDescription_Impl *description)
{
if (code[gc.get_shader_language()].empty())
return std::string();
std::string prefix;
if (gc.get_shader_language() == shader_glsl && description->glsl_version != 0)
prefix += string_format("#version %1\r\n", description->glsl_version);
for (const auto & elem : description->defines)
prefix += string_format("#define %1 %2\r\n", elem.first, elem.second);
prefix += "#line 0\r\n";
return prefix + code[gc.get_shader_language()];
}
BloomPass::BloomPass(GraphicContext &gc, const std::string &shader_path, ResourceContainer &inout)
{
viewport = inout.get<Rect>("Viewport");
final_color = inout.get<Texture2D>("FinalColor");
bloom_contribution = inout.get<Texture2D>("BloomContribution");
if (gc.get_shader_language() == shader_glsl)
{
bloom_shader = ShaderSetup::compile(gc, "", PathHelp::combine(shader_path, "Final/vertex_present.glsl"), PathHelp::combine(shader_path, "Bloom/fragment_bloom_extract.glsl"), "");
bloom_shader.bind_frag_data_location(0, "FragColor");
}
else
{
bloom_shader = ShaderSetup::compile(gc, "", PathHelp::combine(shader_path, "Final/vertex_present.hlsl"), PathHelp::combine(shader_path, "Bloom/fragment_bloom_extract.hlsl"), "");
}
ShaderSetup::link(bloom_shader, "bloom extract program");
bloom_shader.bind_attribute_location(0, "PositionInProjection");
bloom_shader.set_uniform1i("FinalColors", 0);
bloom_shader.set_uniform1i("FinalColorsSampler", 0);
bloom_shader.set_uniform1i("LogAverageLight", 1);
Vec4f positions[6] =
{
Vec4f(-1.0f, -1.0f, 1.0f, 1.0f),
Vec4f( 1.0f, -1.0f, 1.0f, 1.0f),
Vec4f(-1.0f, 1.0f, 1.0f, 1.0f),
Vec4f( 1.0f, -1.0f, 1.0f, 1.0f),
Vec4f(-1.0f, 1.0f, 1.0f, 1.0f),
Vec4f( 1.0f, 1.0f, 1.0f, 1.0f)
};
rect_positions = VertexArrayVector<Vec4f>(gc, positions, 6);
rect_primarray = PrimitivesArray(gc);
rect_primarray.set_attributes(0, rect_positions);
bloom_blur.input = bloom_contribution;
BlendStateDescription blend_desc;
blend_desc.enable_blending(false);
blend_state = BlendState(gc, blend_desc);
}
Shader::Shader(GraphicContext &gc)
{
ShaderLanguage shader_language = gc.get_shader_language();
ShaderObject vertex_shader(gc, shadertype_vertex, shader_language==shader_glsl ? vertex_glsl : vertex_hlsl);
if(!vertex_shader.compile())
{
std::string log = vertex_shader.get_info_log();
throw Exception(string_format("Unable to compile vertex shader object: %1", log));
}
ShaderObject fragment_shader(gc, shadertype_fragment, shader_language==shader_glsl ? fragment_glsl : fragment_hlsl);
if(!fragment_shader.compile())
{
std::string log = fragment_shader.get_info_log();
throw Exception(string_format("Unable to compile fragment shader object: %1", log));
}
program_object = ProgramObject(gc);
program_object.attach(vertex_shader);
program_object.attach(fragment_shader);
program_object.bind_attribute_location(0, "InPosition");
program_object.bind_attribute_location(1, "InNormal");
program_object.bind_attribute_location(2, "InMaterialAmbient");
program_object.bind_frag_data_location(0, "cl_FragColor");
if (!program_object.link())
{
throw Exception(string_format("Unable to link program object: %1", program_object.get_info_log()));
}
program_object.set_uniform_buffer_index("ProgramUniforms", 0);
gpu_uniforms = clan::UniformVector<ProgramUniforms>(gc, 1);
uniforms.LightAmbient = Vec4f(0.2f, 0.2f, 0.2f, 1.0f);
uniforms.LightVector = Vec3f(0.0f, 0.0f, -1.0f);
uniforms.LightDiffuse = Vec4f(0.7f, 0.7f, 0.7f, 1.0f);
}
ProgramObject LightsourceSimplePass::compile_and_link(GraphicContext &gc, const std::string &shader_path, const std::string &type)
{
ProgramObject program;
std::string vertex_filename = PathHelp::combine(shader_path, string_format("LightsourceSimple/vertex_%1.%2", type, gc.get_shader_language() == shader_glsl ? "glsl" : "hlsl"));
std::string fragment_filename = PathHelp::combine(shader_path, string_format("LightsourceSimple/fragment_light.%1", gc.get_shader_language() == shader_glsl ? "glsl" : "hlsl"));
program = ShaderSetup::compile(gc, "", vertex_filename, fragment_filename, type == "rect" ? "RECT_PASS" : "");
program.bind_frag_data_location(0, "FragColor");
if (!program.link())
throw Exception("Shader linking failed!");
program.bind_attribute_location(0, "AttrPositionInObject");
program.set_uniform_buffer_index("Uniforms", 0);
program.set_uniform1i("InstanceTexture", 0);
program.set_uniform1i("NormalZTexture", 1);
program.set_uniform1i("DiffuseColorTexture", 2);
program.set_uniform1i("SpecularColorTexture", 3);
program.set_uniform1i("SpecularLevelTexture", 4);
program.set_uniform1i("ShadowMapsTexture", 5);
program.set_uniform1i("ShadowMapsTextureSampler", 5);
program.set_uniform1i("SelfIlluminationTexture", 6);
return program;
}
