1ec3ed6a5ebf6f2c406d7bcf94b6bc34fcaeb976eepoger@google.com/* 2ec3ed6a5ebf6f2c406d7bcf94b6bc34fcaeb976eepoger@google.com * Copyright 2011 Google Inc. 3ec3ed6a5ebf6f2c406d7bcf94b6bc34fcaeb976eepoger@google.com * 4ec3ed6a5ebf6f2c406d7bcf94b6bc34fcaeb976eepoger@google.com * Use of this source code is governed by a BSD-style license that can be 5ec3ed6a5ebf6f2c406d7bcf94b6bc34fcaeb976eepoger@google.com * found in the LICENSE file. 6f93e717c7f7ca679a80acbfda6a34013ae1e2b8djunov@google.com */ 7f93e717c7f7ca679a80acbfda6a34013ae1e2b8djunov@google.com 8ec3ed6a5ebf6f2c406d7bcf94b6bc34fcaeb976eepoger@google.com 9f93e717c7f7ca679a80acbfda6a34013ae1e2b8djunov@google.com#ifndef GrGLProgram_DEFINED 10f93e717c7f7ca679a80acbfda6a34013ae1e2b8djunov@google.com#define GrGLProgram_DEFINED 11f93e717c7f7ca679a80acbfda6a34013ae1e2b8djunov@google.com 126177e6999d23a4268ffd98dedfb1da00e272a89brobertphillips@google.com#include "GrGLContext.h" 135d8f69f2d492a15189e4b976ccca3fa092876419egdaniel#include "GrProgramDesc.h" 14890e3b58e78c0825820f75f1f0c5a5d71e855aa6bsalomon@google.com#include "GrGLTexture.h" 157510b224e52b9518a8ddf7418db0e9c258f79539kkinnunen#include "GrGLProgramDataManager.h" 16018fb62d12d1febf121fe265da5b6117b86a6541egdaniel#include "glsl/GrGLSLProgramDataManager.h" 177ea439b2203855db97330b25945b87dd4b170b8begdaniel#include "glsl/GrGLSLUniformHandler.h" 18f93e717c7f7ca679a80acbfda6a34013ae1e2b8djunov@google.com 19f0a104e6f16dc095286d32f1e104894ae0b2b19fbsalomon@google.com#include "SkString.h" 2097c88c255cff3dbb8343c5d090526fdbedad6dd6Scroggo 21d8dd47b5fa52430a1ab5c07335c0c13fcd43a82djoshualitt#include "builders/GrGLProgramBuilder.h" 22d8dd47b5fa52430a1ab5c07335c0c13fcd43a82djoshualitt 2347bb38283072dc87dc93220cd2f370ca109972ffjoshualittclass GrGLInstalledProcessors; 2430ba436f04e61d4505fb854d5fc56079636e0788joshualittclass GrGLProgramBuilder; 258dd688b7569df569a672a8a67b2db86a9d376cfcegdanielclass GrPipeline; 26f93e717c7f7ca679a80acbfda6a34013ae1e2b8djunov@google.com 27f93e717c7f7ca679a80acbfda6a34013ae1e2b8djunov@google.com/** 28f93e717c7f7ca679a80acbfda6a34013ae1e2b8djunov@google.com * This class manages a GPU program and records per-program information. 29f93e717c7f7ca679a80acbfda6a34013ae1e2b8djunov@google.com * We can specify the attribute locations so that they are constant 30f93e717c7f7ca679a80acbfda6a34013ae1e2b8djunov@google.com * across our shaders. But the driver determines the uniform locations 31f93e717c7f7ca679a80acbfda6a34013ae1e2b8djunov@google.com * at link time. We don't need to remember the sampler uniform location 32f93e717c7f7ca679a80acbfda6a34013ae1e2b8djunov@google.com * because we will bind a texture slot to it and never change it 33f93e717c7f7ca679a80acbfda6a34013ae1e2b8djunov@google.com * Uniforms are program-local so we can't rely on fHWState to hold the 34f93e717c7f7ca679a80acbfda6a34013ae1e2b8djunov@google.com * previous uniform state after a program change. 35f93e717c7f7ca679a80acbfda6a34013ae1e2b8djunov@google.com */ 36a4de8c257ea0be8ff7081f645249b6afe5c48e7ecommit-bot@chromium.orgclass GrGLProgram : public SkRefCnt { 37f93e717c7f7ca679a80acbfda6a34013ae1e2b8djunov@google.compublic: 387ea439b2203855db97330b25945b87dd4b170b8begdaniel typedef GrGLSLProgramBuilder::BuiltinUniformHandles BuiltinUniformHandles; 39dddc18a6bba67ad43a65f4c244b95f76cefef617kkinnunen 40d8dd47b5fa52430a1ab5c07335c0c13fcd43a82djoshualitt ~GrGLProgram(); 41f93e717c7f7ca679a80acbfda6a34013ae1e2b8djunov@google.com 4234cccde630fc618649b9737bee464203d042bfbbbsalomon@google.com /** 4334cccde630fc618649b9737bee464203d042bfbbbsalomon@google.com * Call to abandon GL objects owned by this program. 4434cccde630fc618649b9737bee464203d042bfbbbsalomon@google.com */ 45ecb60aad5c6fe5b1dbcfc86ac00bfc9326103c8dbsalomon@google.com void abandon(); 46ecb60aad5c6fe5b1dbcfc86ac00bfc9326103c8dbsalomon@google.com 4779f8faeea2692d2948c0f634e956d1e7fc8333e0joshualitt const GrProgramDesc& getDesc() { return fDesc; } 489ba4fa6f0fb8ef496d81ccac36e780aa806fea83bsalomon@google.com 49271cffc77bd2fcb3458559e509634442517ca1e9bsalomon@google.com /** 506a51dcbf81cff6d92996ab3f4c7457478e441896bsalomon@google.com * Gets the GL program ID for this program. 516a51dcbf81cff6d92996ab3f4c7457478e441896bsalomon@google.com */ 52dddc18a6bba67ad43a65f4c244b95f76cefef617kkinnunen GrGLuint programID() const { return fProgramID; } 536a51dcbf81cff6d92996ab3f4c7457478e441896bsalomon@google.com 546a51dcbf81cff6d92996ab3f4c7457478e441896bsalomon@google.com /** 55ee2af95db72152dfa61c841875df0594ca93437djoshualitt * We use the RT's size and origin to adjust from Skia device space to OpenGL normalized device 56ee2af95db72152dfa61c841875df0594ca93437djoshualitt * space and to make device space positions have the correct origin for processors that require 57ee2af95db72152dfa61c841875df0594ca93437djoshualitt * them. 586a51dcbf81cff6d92996ab3f4c7457478e441896bsalomon@google.com */ 59ee2af95db72152dfa61c841875df0594ca93437djoshualitt struct RenderTargetState { 606a51dcbf81cff6d92996ab3f4c7457478e441896bsalomon@google.com SkISize fRenderTargetSize; 616a51dcbf81cff6d92996ab3f4c7457478e441896bsalomon@google.com GrSurfaceOrigin fRenderTargetOrigin; 626a51dcbf81cff6d92996ab3f4c7457478e441896bsalomon@google.com 63ee2af95db72152dfa61c841875df0594ca93437djoshualitt RenderTargetState() { this->invalidate(); } 646a51dcbf81cff6d92996ab3f4c7457478e441896bsalomon@google.com void invalidate() { 6545a412ee365694c61b50f6177382b509d1e2462bbsalomon@google.com fRenderTargetSize.fWidth = -1; 6645a412ee365694c61b50f6177382b509d1e2462bbsalomon@google.com fRenderTargetSize.fHeight = -1; 676a51dcbf81cff6d92996ab3f4c7457478e441896bsalomon@google.com fRenderTargetOrigin = (GrSurfaceOrigin) -1; 686a51dcbf81cff6d92996ab3f4c7457478e441896bsalomon@google.com } 6947c66ddaeb48faf963a2ef3f508a7d816e4168cccommit-bot@chromium.org 7047c66ddaeb48faf963a2ef3f508a7d816e4168cccommit-bot@chromium.org /** 715af9ea399d5e0344cc4b7da4e97b5dc5b3c74f64Ethan Nicholas * Gets a float4 that adjusts the position from Skia device coords to GL's normalized device 725af9ea399d5e0344cc4b7da4e97b5dc5b3c74f64Ethan Nicholas * coords. Assuming the transformed position, pos, is a homogeneous float3, the vec, v, is 7347c66ddaeb48faf963a2ef3f508a7d816e4168cccommit-bot@chromium.org * applied as such: 7447c66ddaeb48faf963a2ef3f508a7d816e4168cccommit-bot@chromium.org * pos.x = dot(v.xy, pos.xz) 75ef4ba3da0b1fe375b9631bcd17c43c645f4aa5a6robertphillips * pos.y = dot(v.zw, pos.yz) 7647c66ddaeb48faf963a2ef3f508a7d816e4168cccommit-bot@chromium.org */ 77018fb62d12d1febf121fe265da5b6117b86a6541egdaniel void getRTAdjustmentVec(float* destVec) { 7847c66ddaeb48faf963a2ef3f508a7d816e4168cccommit-bot@chromium.org destVec[0] = 2.f / fRenderTargetSize.fWidth; 7947c66ddaeb48faf963a2ef3f508a7d816e4168cccommit-bot@chromium.org destVec[1] = -1.f; 8047c66ddaeb48faf963a2ef3f508a7d816e4168cccommit-bot@chromium.org if (kBottomLeft_GrSurfaceOrigin == fRenderTargetOrigin) { 8147c66ddaeb48faf963a2ef3f508a7d816e4168cccommit-bot@chromium.org destVec[2] = -2.f / fRenderTargetSize.fHeight; 8247c66ddaeb48faf963a2ef3f508a7d816e4168cccommit-bot@chromium.org destVec[3] = 1.f; 8347c66ddaeb48faf963a2ef3f508a7d816e4168cccommit-bot@chromium.org } else { 8447c66ddaeb48faf963a2ef3f508a7d816e4168cccommit-bot@chromium.org destVec[2] = 2.f / fRenderTargetSize.fHeight; 8547c66ddaeb48faf963a2ef3f508a7d816e4168cccommit-bot@chromium.org destVec[3] = -1.f; 8647c66ddaeb48faf963a2ef3f508a7d816e4168cccommit-bot@chromium.org } 8747c66ddaeb48faf963a2ef3f508a7d816e4168cccommit-bot@chromium.org } 886a51dcbf81cff6d92996ab3f4c7457478e441896bsalomon@google.com }; 896a51dcbf81cff6d92996ab3f4c7457478e441896bsalomon@google.com 906a51dcbf81cff6d92996ab3f4c7457478e441896bsalomon@google.com /** 917dc4bd06fca73a97dcf3ad4a7425597160f1edfcegdaniel * This function uploads uniforms, calls each GrGL*Processor's setData, and retrieves the 924271765d110be2661562f30f47addc9cb69ca4c7cdalton * textures that need to be bound on each unit. It is the caller's responsibility to ensure 934271765d110be2661562f30f47addc9cb69ca4c7cdalton * the program is bound before calling, and to bind the outgoing textures to their respective 944271765d110be2661562f30f47addc9cb69ca4c7cdalton * units upon return. (Each index in the array corresponds to its matching GL texture unit.) 954285accf5af574e6c826d5d09f0359c6149fd717bsalomon@google.com */ 9674b8d323323c8533e3e5cc7719e0bd127aacd829cdalton void setData(const GrPrimitiveProcessor&, const GrPipeline&); 979196130af83782fcac4334117142475a837dd74dbsalomon@google.com 9833f6b3f6ee4de24282f5e7f2dc31a5f538bcf40cbrianosman /** 9933f6b3f6ee4de24282f5e7f2dc31a5f538bcf40cbrianosman * This function retrieves the textures that need to be used by each GrGL*Processor, and 10033f6b3f6ee4de24282f5e7f2dc31a5f538bcf40cbrianosman * ensures that any textures requiring mipmaps have their mipmaps correctly built. 10133f6b3f6ee4de24282f5e7f2dc31a5f538bcf40cbrianosman */ 10233f6b3f6ee4de24282f5e7f2dc31a5f538bcf40cbrianosman void generateMipmaps(const GrPrimitiveProcessor&, const GrPipeline&); 10333f6b3f6ee4de24282f5e7f2dc31a5f538bcf40cbrianosman 10447bb38283072dc87dc93220cd2f370ca109972ffjoshualittprotected: 105f9f451213a3951d8a61568998de2ddbd643f6693Brian Salomon using UniformHandle = GrGLSLProgramDataManager::UniformHandle ; 106f9f451213a3951d8a61568998de2ddbd643f6693Brian Salomon using UniformInfoArray = GrGLProgramDataManager::UniformInfoArray; 107f9f451213a3951d8a61568998de2ddbd643f6693Brian Salomon using VaryingInfoArray = GrGLProgramDataManager::VaryingInfoArray; 108dbbc4e2da93cef5c0cfb0b3c92ff6c2c80f6e67absalomon@google.com 109861e1037017bbb7ac52ec5ebecab3a636a82a3e8bsalomon GrGLProgram(GrGLGpu*, 11079f8faeea2692d2948c0f634e956d1e7fc8333e0joshualitt const GrProgramDesc&, 11147bb38283072dc87dc93220cd2f370ca109972ffjoshualitt const BuiltinUniformHandles&, 11247bb38283072dc87dc93220cd2f370ca109972ffjoshualitt GrGLuint programID, 113101b844d6ba031de5c4e95b43f9292f266799237Brian Salomon const UniformInfoArray& uniforms, 114bc5d4d769098a4fb46685c0e59034dc8e12318a2Greg Daniel const UniformInfoArray& textureSamplers, 115bc5d4d769098a4fb46685c0e59034dc8e12318a2Greg Daniel const UniformInfoArray& texelBuffers, 1160eafe79f42e3c675f3c504aed4a41abf511df2b7egdaniel const VaryingInfoArray&, // used for NVPR only currently 117369e8b70eedfd151c7f88e50d7f430f4cda5d57eRobert Phillips std::unique_ptr<GrGLSLPrimitiveProcessor> geometryProcessor, 118369e8b70eedfd151c7f88e50d7f430f4cda5d57eRobert Phillips std::unique_ptr<GrGLSLXferProcessor> xferProcessor, 11909aa1fce69b214714171db12c341aebd78dd29eaegdaniel const GrGLSLFragProcs& fragmentProcessors); 1202c84aa35988c661b3e5513c8ba9b3959832ff288bsalomon@google.com 12174b8d323323c8533e3e5cc7719e0bd127aacd829cdalton // A helper to loop over effects, set the transforms (via subclass) and bind textures 122bc5d4d769098a4fb46685c0e59034dc8e12318a2Greg Daniel void setFragmentData(const GrPrimitiveProcessor&, const GrPipeline&, int* nextTexSamplerIdx, 123559f556d9d70ef9d1202e436a56d48364b279ac6Brian Salomon int* nextTexelBufferIdx); 12447bb38283072dc87dc93220cd2f370ca109972ffjoshualitt 1252c84aa35988c661b3e5513c8ba9b3959832ff288bsalomon@google.com // Helper for setData() that sets the view matrix and loads the render target height uniform 126b0e93a22bbfad05bb834e33387880ece56e0f6d2Robert Phillips void setRenderTargetState(const GrPrimitiveProcessor&, const GrRenderTargetProxy*); 1272c84aa35988c661b3e5513c8ba9b3959832ff288bsalomon@google.com 12874b8d323323c8533e3e5cc7719e0bd127aacd829cdalton // Helper for setData() that binds textures and texel buffers to the appropriate texture units 129bc5d4d769098a4fb46685c0e59034dc8e12318a2Greg Daniel void bindTextures(const GrResourceIOProcessor&, bool allowSRGBInputs, int* nextSamplerIdx, 130559f556d9d70ef9d1202e436a56d48364b279ac6Brian Salomon int* nextTexelBufferIdx); 13174b8d323323c8533e3e5cc7719e0bd127aacd829cdalton 13233f6b3f6ee4de24282f5e7f2dc31a5f538bcf40cbrianosman // Helper for generateMipmaps() that ensures mipmaps are up to date 133ab015efc48c462ffdffebb45c02cd19efb254983Brian Salomon void generateMipmaps(const GrResourceIOProcessor&, bool allowSRGBInputs); 13433f6b3f6ee4de24282f5e7f2dc31a5f538bcf40cbrianosman 13534cccde630fc618649b9737bee464203d042bfbbbsalomon@google.com // these reflect the current values of uniforms (GL uniform values travel with program) 136ee2af95db72152dfa61c841875df0594ca93437djoshualitt RenderTargetState fRenderTargetState; 13747bb38283072dc87dc93220cd2f370ca109972ffjoshualitt BuiltinUniformHandles fBuiltinUniformHandles; 13847bb38283072dc87dc93220cd2f370ca109972ffjoshualitt GrGLuint fProgramID; 1396eac42e3ab68b085117d7f91621276a722b5a3a7commit-bot@chromium.org 14047bb38283072dc87dc93220cd2f370ca109972ffjoshualitt // the installed effects 141145dbcd165d9d27298eb8888bc240e2d06a95464Ben Wagner std::unique_ptr<GrGLSLPrimitiveProcessor> fGeometryProcessor; 142145dbcd165d9d27298eb8888bc240e2d06a95464Ben Wagner std::unique_ptr<GrGLSLXferProcessor> fXferProcessor; 143fa8963252e122c5288c8e92b5ecc25a8fea21c3begdaniel GrGLSLFragProcs fFragmentProcessors; 1449681eebb0e441cee25b6faac82c3728512acda27skia.committer@gmail.com 14579f8faeea2692d2948c0f634e956d1e7fc8333e0joshualitt GrProgramDesc fDesc; 146861e1037017bbb7ac52ec5ebecab3a636a82a3e8bsalomon GrGLGpu* fGpu; 14747bb38283072dc87dc93220cd2f370ca109972ffjoshualitt GrGLProgramDataManager fProgramDataManager; 1486eac42e3ab68b085117d7f91621276a722b5a3a7commit-bot@chromium.org 149bc5d4d769098a4fb46685c0e59034dc8e12318a2Greg Daniel int fNumTextureSamplers; 150bc5d4d769098a4fb46685c0e59034dc8e12318a2Greg Daniel int fNumTexelBuffers; 151bc5d4d769098a4fb46685c0e59034dc8e12318a2Greg Daniel 15247bb38283072dc87dc93220cd2f370ca109972ffjoshualitt friend class GrGLProgramBuilder; 1536b30e457409f37c91c301cd82040e733e2930286commit-bot@chromium.org 154a4de8c257ea0be8ff7081f645249b6afe5c48e7ecommit-bot@chromium.org typedef SkRefCnt INHERITED; 155f93e717c7f7ca679a80acbfda6a34013ae1e2b8djunov@google.com}; 156f93e717c7f7ca679a80acbfda6a34013ae1e2b8djunov@google.com 157f93e717c7f7ca679a80acbfda6a34013ae1e2b8djunov@google.com#endif 158