Mathias Agopian | 3f84483 | 2013-08-07 21:24:32 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2013 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
Mathias Agopian | 3f84483 | 2013-08-07 21:24:32 -0700 | [diff] [blame] | 17 | #ifndef SF_GLES20RENDERENGINE_H_ |
| 18 | #define SF_GLES20RENDERENGINE_H_ |
| 19 | |
| 20 | #include <stdint.h> |
| 21 | #include <sys/types.h> |
| 22 | |
Peiyong Lin | f11f39b | 2018-09-05 14:37:41 -0700 | [diff] [blame] | 23 | #include <EGL/egl.h> |
| 24 | #include <EGL/eglext.h> |
Mathias Agopian | 3f84483 | 2013-08-07 21:24:32 -0700 | [diff] [blame] | 25 | #include <GLES2/gl2.h> |
Peiyong Lin | cbc184f | 2018-08-22 13:24:10 -0700 | [diff] [blame] | 26 | #include <renderengine/RenderEngine.h> |
Peiyong Lin | 833074a | 2018-08-28 11:53:54 -0700 | [diff] [blame] | 27 | #include <renderengine/private/Description.h> |
Mathias Agopian | 3f84483 | 2013-08-07 21:24:32 -0700 | [diff] [blame] | 28 | |
Peiyong Lin | f11f39b | 2018-09-05 14:37:41 -0700 | [diff] [blame] | 29 | #define EGL_NO_CONFIG ((EGLConfig)0) |
| 30 | |
Mathias Agopian | 3f84483 | 2013-08-07 21:24:32 -0700 | [diff] [blame] | 31 | namespace android { |
Mathias Agopian | 3f84483 | 2013-08-07 21:24:32 -0700 | [diff] [blame] | 32 | |
| 33 | class String8; |
Peiyong Lin | 833074a | 2018-08-28 11:53:54 -0700 | [diff] [blame] | 34 | |
| 35 | namespace renderengine { |
| 36 | |
Mathias Agopian | 3f84483 | 2013-08-07 21:24:32 -0700 | [diff] [blame] | 37 | class Mesh; |
Mathias Agopian | 49457ac | 2013-08-14 18:20:17 -0700 | [diff] [blame] | 38 | class Texture; |
Mathias Agopian | 3f84483 | 2013-08-07 21:24:32 -0700 | [diff] [blame] | 39 | |
Peiyong Lin | 833074a | 2018-08-28 11:53:54 -0700 | [diff] [blame] | 40 | namespace gl { |
Lloyd Pique | 144e116 | 2017-12-20 16:44:52 -0800 | [diff] [blame] | 41 | |
Peiyong Lin | f1bada9 | 2018-08-29 09:39:31 -0700 | [diff] [blame] | 42 | class GLImage; |
| 43 | class GLSurface; |
| 44 | |
Peiyong Lin | 833074a | 2018-08-28 11:53:54 -0700 | [diff] [blame] | 45 | class GLES20RenderEngine : public impl::RenderEngine { |
Mathias Agopian | 3f84483 | 2013-08-07 21:24:32 -0700 | [diff] [blame] | 46 | public: |
Peiyong Lin | f11f39b | 2018-09-05 14:37:41 -0700 | [diff] [blame] | 47 | static std::unique_ptr<GLES20RenderEngine> create(int hwcFormat, uint32_t featureFlags); |
| 48 | static EGLConfig chooseEglConfig(EGLDisplay display, int format, bool logConfig); |
| 49 | |
Kalle Raita | bbdcf1f | 2017-05-22 15:47:46 -0700 | [diff] [blame] | 50 | GLES20RenderEngine(uint32_t featureFlags); // See RenderEngine::FeatureFlag |
Peiyong Lin | e5a9a7f | 2018-08-30 15:32:13 -0700 | [diff] [blame] | 51 | ~GLES20RenderEngine() override; |
Mathias Agopian | 3f84483 | 2013-08-07 21:24:32 -0700 | [diff] [blame] | 52 | |
Peiyong Lin | e5a9a7f | 2018-08-30 15:32:13 -0700 | [diff] [blame] | 53 | std::unique_ptr<Framebuffer> createFramebuffer() override; |
| 54 | std::unique_ptr<Surface> createSurface() override; |
| 55 | std::unique_ptr<Image> createImage() override; |
Peiyong Lin | f1bada9 | 2018-08-29 09:39:31 -0700 | [diff] [blame] | 56 | |
| 57 | void primeCache() const override; |
Peiyong Lin | 60bedb5 | 2018-09-05 10:47:31 -0700 | [diff] [blame] | 58 | bool isCurrent() const override; |
Peiyong Lin | f1bada9 | 2018-08-29 09:39:31 -0700 | [diff] [blame] | 59 | bool setCurrentSurface(const Surface& surface) override; |
| 60 | void resetCurrentSurface() override; |
Peiyong Lin | 60bedb5 | 2018-09-05 10:47:31 -0700 | [diff] [blame] | 61 | base::unique_fd flush() override; |
| 62 | bool finish() override; |
| 63 | bool waitFence(base::unique_fd fenceFd) override; |
| 64 | void clearWithColor(float red, float green, float blue, float alpha) override; |
Chia-I Wu | 28e3a25 | 2018-09-07 12:05:02 -0700 | [diff] [blame] | 65 | void fillRegionWithColor(const Region& region, float red, float green, float blue, |
| 66 | float alpha) override; |
Peiyong Lin | 60bedb5 | 2018-09-05 10:47:31 -0700 | [diff] [blame] | 67 | void setScissor(uint32_t left, uint32_t bottom, uint32_t right, uint32_t top) override; |
| 68 | void disableScissor() override; |
| 69 | void genTextures(size_t count, uint32_t* names) override; |
| 70 | void deleteTextures(size_t count, uint32_t const* names) override; |
Peiyong Lin | e5a9a7f | 2018-08-30 15:32:13 -0700 | [diff] [blame] | 71 | void bindExternalTextureImage(uint32_t texName, const Image& image) override; |
Peiyong Lin | 60bedb5 | 2018-09-05 10:47:31 -0700 | [diff] [blame] | 72 | void readPixels(size_t l, size_t b, size_t w, size_t h, uint32_t* pixels) override; |
Peiyong Lin | e5a9a7f | 2018-08-30 15:32:13 -0700 | [diff] [blame] | 73 | status_t bindFrameBuffer(Framebuffer* framebuffer) override; |
| 74 | void unbindFrameBuffer(Framebuffer* framebuffer) override; |
Peiyong Lin | 60bedb5 | 2018-09-05 10:47:31 -0700 | [diff] [blame] | 75 | void checkErrors() const override; |
Peiyong Lin | f1bada9 | 2018-08-29 09:39:31 -0700 | [diff] [blame] | 76 | |
Peiyong Lin | f11f39b | 2018-09-05 14:37:41 -0700 | [diff] [blame] | 77 | // internal to RenderEngine |
| 78 | EGLDisplay getEGLDisplay() const { return mEGLDisplay; } |
| 79 | EGLConfig getEGLConfig() const { return mEGLConfig; } |
| 80 | |
Mathias Agopian | 3f84483 | 2013-08-07 21:24:32 -0700 | [diff] [blame] | 81 | protected: |
Peiyong Lin | e5a9a7f | 2018-08-30 15:32:13 -0700 | [diff] [blame] | 82 | void dump(String8& result) override; |
| 83 | void setViewportAndProjection(size_t vpw, size_t vph, Rect sourceCrop, |
| 84 | ui::Transform::orientation_flags rotation) override; |
| 85 | void setupLayerBlending(bool premultipliedAlpha, bool opaque, bool disableTexture, |
| 86 | const half4& color) override; |
Peiyong Lin | e5a9a7f | 2018-08-30 15:32:13 -0700 | [diff] [blame] | 87 | void setupLayerTexturing(const Texture& texture) override; |
| 88 | void setupLayerBlackedOut() override; |
| 89 | void setupFillWithColor(float r, float g, float b, float a) override; |
| 90 | void setupColorTransform(const mat4& colorTransform) override; |
| 91 | void disableTexturing() override; |
| 92 | void disableBlending() override; |
Mathias Agopian | 3f84483 | 2013-08-07 21:24:32 -0700 | [diff] [blame] | 93 | |
Peiyong Lin | f11f39b | 2018-09-05 14:37:41 -0700 | [diff] [blame] | 94 | // HDR and color management related functions and state |
| 95 | void setSourceY410BT2020(bool enable) override; |
| 96 | void setSourceDataSpace(ui::Dataspace source) override; |
| 97 | void setOutputDataSpace(ui::Dataspace dataspace) override; |
| 98 | void setDisplayMaxLuminance(const float maxLuminance) override; |
| 99 | |
| 100 | // drawing |
Peiyong Lin | e5a9a7f | 2018-08-30 15:32:13 -0700 | [diff] [blame] | 101 | void drawMesh(const Mesh& mesh) override; |
Mathias Agopian | 3f84483 | 2013-08-07 21:24:32 -0700 | [diff] [blame] | 102 | |
Peiyong Lin | e5a9a7f | 2018-08-30 15:32:13 -0700 | [diff] [blame] | 103 | size_t getMaxTextureSize() const override; |
| 104 | size_t getMaxViewportDims() const override; |
| 105 | |
| 106 | private: |
Peiyong Lin | f11f39b | 2018-09-05 14:37:41 -0700 | [diff] [blame] | 107 | enum GlesVersion { |
| 108 | GLES_VERSION_1_0 = 0x10000, |
| 109 | GLES_VERSION_1_1 = 0x10001, |
| 110 | GLES_VERSION_2_0 = 0x20000, |
| 111 | GLES_VERSION_3_0 = 0x30000, |
| 112 | }; |
| 113 | |
| 114 | static GlesVersion parseGlesVersion(const char* str); |
| 115 | |
Peiyong Lin | e5a9a7f | 2018-08-30 15:32:13 -0700 | [diff] [blame] | 116 | // A data space is considered HDR data space if it has BT2020 color space |
| 117 | // with PQ or HLG transfer function. |
| 118 | bool isHdrDataSpace(const ui::Dataspace dataSpace) const; |
| 119 | bool needsXYZTransformMatrix() const; |
Peiyong Lin | f11f39b | 2018-09-05 14:37:41 -0700 | [diff] [blame] | 120 | void setEGLHandles(EGLDisplay display, EGLConfig config, EGLContext ctxt); |
Peiyong Lin | e5a9a7f | 2018-08-30 15:32:13 -0700 | [diff] [blame] | 121 | |
Peiyong Lin | f11f39b | 2018-09-05 14:37:41 -0700 | [diff] [blame] | 122 | EGLDisplay mEGLDisplay; |
| 123 | EGLConfig mEGLConfig; |
| 124 | EGLContext mEGLContext; |
Peiyong Lin | e5a9a7f | 2018-08-30 15:32:13 -0700 | [diff] [blame] | 125 | GLuint mProtectedTexName; |
| 126 | GLint mMaxViewportDims[2]; |
| 127 | GLint mMaxTextureSize; |
| 128 | GLuint mVpWidth; |
| 129 | GLuint mVpHeight; |
| 130 | Description mState; |
| 131 | |
| 132 | mat4 mSrgbToDisplayP3; |
| 133 | mat4 mDisplayP3ToSrgb; |
Peiyong Lin | 70b26ce | 2018-09-18 19:02:39 -0700 | [diff] [blame^] | 134 | mat4 mSrgbToXyz; |
| 135 | mat4 mBt2020ToXyz; |
| 136 | mat4 mDisplayP3ToXyz; |
Peiyong Lin | e5a9a7f | 2018-08-30 15:32:13 -0700 | [diff] [blame] | 137 | mat4 mXyzToSrgb; |
| 138 | mat4 mXyzToDisplayP3; |
| 139 | mat4 mXyzToBt2020; |
| 140 | |
| 141 | bool mRenderToFbo = false; |
Peiyong Lin | fb06930 | 2018-04-25 14:34:31 -0700 | [diff] [blame] | 142 | |
| 143 | // Current dataspace of layer being rendered |
| 144 | ui::Dataspace mDataSpace = ui::Dataspace::UNKNOWN; |
| 145 | |
| 146 | // Current output dataspace of the render engine |
| 147 | ui::Dataspace mOutputDataSpace = ui::Dataspace::UNKNOWN; |
| 148 | |
Peiyong Lin | 13effd1 | 2018-07-24 17:01:47 -0700 | [diff] [blame] | 149 | // Whether device supports color management, currently color management |
| 150 | // supports sRGB, DisplayP3 color spaces. |
| 151 | const bool mUseColorManagement = false; |
Mathias Agopian | 3f84483 | 2013-08-07 21:24:32 -0700 | [diff] [blame] | 152 | }; |
| 153 | |
Peiyong Lin | 833074a | 2018-08-28 11:53:54 -0700 | [diff] [blame] | 154 | } // namespace gl |
| 155 | } // namespace renderengine |
| 156 | } // namespace android |
Mathias Agopian | 3f84483 | 2013-08-07 21:24:32 -0700 | [diff] [blame] | 157 | |
| 158 | #endif /* SF_GLES20RENDERENGINE_H_ */ |