blob: b19b4c62c885fe8c6e70e201ee08706490fb2143 [file] [log] [blame] [edit]
// Copyright 2017 The Dawn Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#ifndef SRC_DAWN_NATIVE_OPENGL_SHADERMODULEGL_H_
#define SRC_DAWN_NATIVE_OPENGL_SHADERMODULEGL_H_
#include <memory>
#include <string>
#include <unordered_map>
#include <vector>
#include "dawn/native/Serializable.h"
#include "dawn/native/ShaderModule.h"
#include "dawn/native/opengl/opengl_platform.h"
namespace dawn::native {
struct ProgrammableStage;
namespace stream {
class Sink;
class Source;
} // namespace stream
namespace opengl {
class Device;
class PipelineLayout;
struct OpenGLFunctions;
std::string GetBindingName(BindGroupIndex group, BindingNumber bindingNumber);
#define BINDING_LOCATION_MEMBERS(X) \
X(BindGroupIndex, group) \
X(BindingNumber, binding)
DAWN_SERIALIZABLE(struct, BindingLocation, BINDING_LOCATION_MEMBERS){};
#undef BINDING_LOCATION_MEMBERS
bool operator<(const BindingLocation& a, const BindingLocation& b);
#define COMBINED_SAMPLER_MEMBERS(X) \
X(BindingLocation, samplerLocation) \
X(BindingLocation, textureLocation) \
/* OpenGL requires a sampler with texelFetch. If this is true, the developer did not */ \
/* provide one and Dawn should bind a placeholder non-filtering sampler; */ \
/* |samplerLocation| is unused. */ \
X(bool, usePlaceholderSampler)
DAWN_SERIALIZABLE(struct, CombinedSampler, COMBINED_SAMPLER_MEMBERS) {
std::string GetName() const;
};
#undef COMBINED_SAMPLER_MEMBERS
bool operator<(const CombinedSampler& a, const CombinedSampler& b);
using CombinedSamplerInfo = std::vector<CombinedSampler>;
class ShaderModule final : public ShaderModuleBase {
public:
static ResultOrError<Ref<ShaderModule>> Create(Device* device,
const ShaderModuleDescriptor* descriptor,
ShaderModuleParseResult* parseResult,
OwnedCompilationMessages* compilationMessages);
ResultOrError<GLuint> CompileShader(const OpenGLFunctions& gl,
const ProgrammableStage& programmableStage,
SingleShaderStage stage,
CombinedSamplerInfo* combinedSamplers,
const PipelineLayout* layout,
bool* needsPlaceholderSampler) const;
private:
ShaderModule(Device* device, const ShaderModuleDescriptor* descriptor);
~ShaderModule() override = default;
MaybeError Initialize(ShaderModuleParseResult* parseResult,
OwnedCompilationMessages* compilationMessages);
};
} // namespace opengl
} // namespace dawn::native
#endif // SRC_DAWN_NATIVE_OPENGL_SHADERMODULEGL_H_