70 lines
2.4 KiB
C++
70 lines
2.4 KiB
C++
// 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_PIPELINEGL_H_
|
|
#define SRC_DAWN_NATIVE_OPENGL_PIPELINEGL_H_
|
|
|
|
#include <vector>
|
|
|
|
#include "dawn/native/Pipeline.h"
|
|
|
|
#include "dawn/native/PerStage.h"
|
|
#include "dawn/native/opengl/opengl_platform.h"
|
|
|
|
namespace dawn::native {
|
|
struct ProgrammableStage;
|
|
} // namespace dawn::native
|
|
|
|
namespace dawn::native::opengl {
|
|
|
|
struct OpenGLFunctions;
|
|
class PipelineLayout;
|
|
class Sampler;
|
|
|
|
class PipelineGL {
|
|
public:
|
|
PipelineGL();
|
|
~PipelineGL();
|
|
|
|
// For each unit a sampler is bound to we need to know if we should use filtering or not
|
|
// because int and uint texture are only complete without filtering.
|
|
struct SamplerUnit {
|
|
GLuint unit;
|
|
bool shouldUseFiltering;
|
|
};
|
|
const std::vector<SamplerUnit>& GetTextureUnitsForSampler(GLuint index) const;
|
|
const std::vector<GLuint>& GetTextureUnitsForTextureView(GLuint index) const;
|
|
GLuint GetProgramHandle() const;
|
|
|
|
protected:
|
|
void ApplyNow(const OpenGLFunctions& gl);
|
|
MaybeError InitializeBase(const OpenGLFunctions& gl,
|
|
const PipelineLayout* layout,
|
|
const PerStage<ProgrammableStage>& stages);
|
|
void DeleteProgram(const OpenGLFunctions& gl);
|
|
|
|
private:
|
|
GLuint mProgram;
|
|
std::vector<std::vector<SamplerUnit>> mUnitsForSamplers;
|
|
std::vector<std::vector<GLuint>> mUnitsForTextures;
|
|
std::vector<GLuint> mPlaceholderSamplerUnits;
|
|
// TODO(enga): This could live on the Device, or elsewhere, but currently it makes Device
|
|
// destruction complex as it requires the sampler to be destroyed before the sampler cache.
|
|
Ref<Sampler> mPlaceholderSampler;
|
|
};
|
|
|
|
} // namespace dawn::native::opengl
|
|
|
|
#endif // SRC_DAWN_NATIVE_OPENGL_PIPELINEGL_H_
|