Use active textures mask in GL and Vulkan.

src/libANGLE/State.cpp

@@ -106,6 +106,8 @@ State::State(bool debug,
       mProgram(nullptr),
       mVertexArray(nullptr),
       mActiveSampler(0),
+      mActiveTexturesCache{},
+      mCachedTexturesInitState(InitState::MayNeedInit),
       mPrimitiveRestart(false),
       mDebug(debug),
       mMultiSampling(false),
@@ -211,7 +213,6 @@ void State::initialize(const Context *context)
     {
         mSamplerTextures[TextureType::External].resize(caps.maxCombinedTextureImageUnits);
     }
-    mCompleteTextureCache.resize(caps.maxCombinedTextureImageUnits, nullptr);
     mCompleteTextureBindings.reserve(caps.maxCombinedTextureImageUnits);
     mCachedTexturesInitState = InitState::MayNeedInit;
     for (uint32_t textureIndex = 0; textureIndex < caps.maxCombinedTextureImageUnits;
@@ -1091,11 +1092,6 @@ GLuint State::getSamplerId(GLuint textureUnit) const
     return mSamplers[textureUnit].id();
 }
 
-Sampler *State::getSampler(GLuint textureUnit) const
-{
-    return mSamplers[textureUnit].get();
-}
-
 void State::detachSampler(const Context *context, GLuint sampler)
 {
     // [OpenGL ES 3.0.2] section 3.8.2 pages 123-124:
@@ -2662,7 +2658,7 @@ Error State::syncProgramTextures(const Context *context)
 
         Texture *texture = getSamplerTexture(textureUnitIndex, textureType);
         Sampler *sampler = getSampler(textureUnitIndex);
-        ASSERT(static_cast<size_t>(textureUnitIndex) < mCompleteTextureCache.size());
+        ASSERT(static_cast<size_t>(textureUnitIndex) < mActiveTexturesCache.size());
         ASSERT(static_cast<size_t>(textureUnitIndex) < newActiveTextures.size());
 
         ASSERT(texture);
@@ -2673,11 +2669,11 @@ Error State::syncProgramTextures(const Context *context)
             !mDrawFramebuffer->hasTextureAttachment(texture))
         {
             ANGLE_TRY(texture->syncState(context));
-            mCompleteTextureCache[textureUnitIndex] = texture;
+            mActiveTexturesCache[textureUnitIndex] = texture;
         }
         else
         {
-            mCompleteTextureCache[textureUnitIndex] = nullptr;
+            mActiveTexturesCache[textureUnitIndex] = nullptr;
         }
 
         // Bind the texture unconditionally, to recieve completeness change notifications.
@@ -2702,7 +2698,7 @@ Error State::syncProgramTextures(const Context *context)
         for (auto textureIndex : negativeMask)
         {
             mCompleteTextureBindings[textureIndex].reset();
-            mCompleteTextureCache[textureIndex] = nullptr;
+            mActiveTexturesCache[textureIndex] = nullptr;
         }
     }
 
@@ -2808,8 +2804,8 @@ void State::onSubjectStateChange(const Context *context,
     // TODO(jmadill): More fine-grained update.
     mDirtyObjects.set(DIRTY_OBJECT_PROGRAM_TEXTURES);
 
-    if (!mCompleteTextureCache[index] ||
-        mCompleteTextureCache[index]->initState() == InitState::MayNeedInit)
+    if (!mActiveTexturesCache[index] ||
+        mActiveTexturesCache[index]->initState() == InitState::MayNeedInit)
     {
         mCachedTexturesInitState = InitState::MayNeedInit;
     }
@@ -2831,7 +2827,7 @@ Error State::clearUnclearedActiveTextures(const Context *context)
 
     for (auto textureIndex : mProgram->getActiveSamplersMask())
     {
-        Texture *texture = mCompleteTextureCache[textureIndex];
+        Texture *texture = mActiveTexturesCache[textureIndex];
         if (texture)
         {
             ANGLE_TRY(texture->ensureInitialized(context));

src/libANGLE/State.h

@@ -184,7 +184,9 @@ class State : public angle::ObserverInterface, angle::NonCopyable
     // Sampler object binding manipulation
     void setSamplerBinding(const Context *context, GLuint textureUnit, Sampler *sampler);
     GLuint getSamplerId(GLuint textureUnit) const;
-    Sampler *getSampler(GLuint textureUnit) const;
+
+    Sampler *getSampler(GLuint textureUnit) const { return mSamplers[textureUnit].get(); }
+
     void detachSampler(const Context *context, GLuint sampler);
 
     // Renderbuffer binding manipulation
@@ -467,7 +469,7 @@ class State : public angle::ObserverInterface, angle::NonCopyable
                       GLenum format);
 
     const ImageUnit &getImageUnit(GLuint unit) const;
-    const std::vector<Texture *> &getCompleteTextureCache() const { return mCompleteTextureCache; }
+    const ActiveTexturePointerArray &getActiveTexturesCache() const { return mActiveTexturesCache; }
     ComponentTypeMask getCurrentValuesTypeMask() const { return mCurrentValuesTypeMask; }
 
     // Observer implementation.
@@ -555,7 +557,7 @@ class State : public angle::ObserverInterface, angle::NonCopyable
     // A cache of complete textures. nullptr indicates unbound or incomplete.
     // Don't use BindingPointer because this cache is only valid within a draw call.
     // Also stores a notification channel to the texture itself to handle texture change events.
-    std::vector<Texture *> mCompleteTextureCache;
+    ActiveTexturePointerArray mActiveTexturesCache;
     std::vector<angle::ObserverBinding> mCompleteTextureBindings;
     InitState mCachedTexturesInitState;
 

src/libANGLE/angletypes.h

@@ -333,6 +333,9 @@ using ActiveTextureMask = angle::BitSet<IMPLEMENTATION_MAX_ACTIVE_TEXTURES>;
 template <typename T>
 using ActiveTextureArray = std::array<T, IMPLEMENTATION_MAX_ACTIVE_TEXTURES>;
 
+using ActiveTexturePointerArray = ActiveTextureArray<Texture *>;
+using ActiveTextureTypeArray    = ActiveTextureArray<TextureType>;
+
 // OffsetBindingPointer.getSize() returns the size specified by the user, which may be larger than
 // the size of the bound buffer. This function reduces the returned size to fit the bound buffer if
 // necessary. Returns 0 if no buffer is bound or if integer overflow occurs.

src/libANGLE/renderer/d3d/d3d11/StateManager11.cpp

@@ -2375,7 +2375,7 @@ angle::Result StateManager11::applyTextures(const gl::Context *context, gl::Shad
     ASSERT(!mProgramD3D->isSamplerMappingDirty());
 
     // TODO(jmadill): Use the Program's sampler bindings.
-    const auto &completeTextures = glState.getCompleteTextureCache();
+    const gl::ActiveTexturePointerArray &completeTextures = glState.getActiveTexturesCache();
 
     unsigned int samplerRange = mProgramD3D->getUsedSamplerRange(shaderType);
     for (unsigned int samplerIndex = 0; samplerIndex < samplerRange; samplerIndex++)

src/libANGLE/renderer/d3d/d3d9/Renderer9.cpp

@@ -3147,14 +3147,14 @@ angle::Result Renderer9::applyTextures(const gl::Context *context, gl::ShaderTyp
     ASSERT(!programD3D->isSamplerMappingDirty());
 
     // TODO(jmadill): Use the Program's sampler bindings.
-    const auto &completeTextures = glState.getCompleteTextureCache();
+    const gl::ActiveTexturePointerArray &activeTextures = glState.getActiveTexturesCache();
 
     unsigned int samplerRange = programD3D->getUsedSamplerRange(shaderType);
     for (unsigned int samplerIndex = 0; samplerIndex < samplerRange; samplerIndex++)
     {
         GLint textureUnit = programD3D->getSamplerMapping(shaderType, samplerIndex, caps);
         ASSERT(textureUnit != -1);
-        gl::Texture *texture = completeTextures[textureUnit];
+        gl::Texture *texture = activeTextures[textureUnit];
 
         // A nullptr texture indicates incomplete.
         if (texture)

src/libANGLE/renderer/gl/StateManagerGL.cpp

@@ -952,16 +952,14 @@ void StateManagerGL::updateProgramTextureAndSamplerBindings(const gl::Context *c
     const gl::State &glState   = context->getGLState();
     const gl::Program *program = glState.getProgram();
 
-    const auto &completeTextures = glState.getCompleteTextureCache();
-    for (const gl::SamplerBinding &samplerBinding : program->getSamplerBindings())
-    {
-        if (samplerBinding.unreferenced)
-            continue;
+    const gl::ActiveTexturePointerArray &textures  = glState.getActiveTexturesCache();
+    const gl::ActiveTextureMask &activeTextures    = program->getActiveSamplersMask();
+    const gl::ActiveTextureTypeArray &textureTypes = program->getActiveSamplerTypes();
 
-        gl::TextureType textureType = samplerBinding.textureType;
-        for (GLuint textureUnitIndex : samplerBinding.boundTextureUnits)
+    for (size_t textureUnitIndex : activeTextures)
     {
-            gl::Texture *texture = completeTextures[textureUnitIndex];
+        gl::TextureType textureType = textureTypes[textureUnitIndex];
+        gl::Texture *texture        = textures[textureUnitIndex];
 
         // A nullptr texture indicates incomplete.
         if (texture != nullptr)
@@ -996,7 +994,6 @@ void StateManagerGL::updateProgramTextureAndSamplerBindings(const gl::Context *c
             bindSampler(textureUnitIndex, 0);
         }
     }
-    }
 }
 
 void StateManagerGL::updateProgramStorageBufferBindings(const gl::Context *context)

src/libANGLE/renderer/gl/TextureGL.cpp

@@ -1497,11 +1497,6 @@ const LevelInfoGL &TextureGL::getBaseLevelInfo() const
     return getLevelInfo(target, effectiveBaseLevel);
 }
 
-GLuint TextureGL::getTextureID() const
-{
-    return mTextureID;
-}
-
 gl::TextureType TextureGL::getType() const
 {
     return mState.mType;

src/libANGLE/renderer/gl/TextureGL.h

@@ -160,7 +160,8 @@ class TextureGL : public TextureImpl
                                 gl::TextureType type,
                                 egl::Image *image) override;
 
-    GLuint getTextureID() const;
+    GLuint getTextureID() const { return mTextureID; }
+
     gl::TextureType getType() const;
 
     gl::Error syncState(const gl::Context *context,

src/libANGLE/renderer/vulkan/ContextVk.cpp

@@ -969,28 +969,28 @@ void ContextVk::handleError(VkResult errorCode, const char *file, unsigned int l
 
 gl::Error ContextVk::updateActiveTextures(const gl::Context *context)
 {
-    const auto &completeTextures = mState.getState().getCompleteTextureCache();
-    const gl::Program *program   = mState.getState().getProgram();
+    const gl::State &glState   = mState.getState();
+    const gl::Program *program = glState.getProgram();
 
     mActiveTextures.fill(nullptr);
 
-    for (const gl::SamplerBinding &samplerBinding : program->getSamplerBindings())
-    {
-        ASSERT(!samplerBinding.unreferenced);
+    const gl::ActiveTexturePointerArray &textures  = glState.getActiveTexturesCache();
+    const gl::ActiveTextureMask &activeTextures    = program->getActiveSamplersMask();
+    const gl::ActiveTextureTypeArray &textureTypes = program->getActiveSamplerTypes();
 
-        for (GLuint textureUnit : samplerBinding.boundTextureUnits)
+    for (size_t textureUnit : activeTextures)
     {
-            gl::Texture *texture = completeTextures[textureUnit];
+        gl::Texture *texture        = textures[textureUnit];
+        gl::TextureType textureType = textureTypes[textureUnit];
 
         // Null textures represent incomplete textures.
         if (texture == nullptr)
         {
-                ANGLE_TRY(getIncompleteTexture(context, samplerBinding.textureType, &texture));
+            ANGLE_TRY(getIncompleteTexture(context, textureType, &texture));
         }
 
         mActiveTextures[textureUnit] = vk::GetImpl(texture);
     }
-    }
 
     return gl::NoError();
 }