Always set matrix uniform to dirty when it updates

Remove the dirty checking of matrix uniform update at frontend and always let backend update whenever glUniformMatrix* is called. Profiled with UniformsBenchmark/* with vulkan backend, performance increases around 6% when data being updated is changing and performance increases around 2% when data being updated stays same. Bug: angleproject:3705 Change-Id: I8eaf6a1231e634b69c6dc540db1b9d3a312bf45d Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/1709725 Commit-Queue: Jiacheng Lu <lujc@google.com> Reviewed-by: Tobin Ehlis <tobine@google.com>

Always set matrix uniform to dirty when it updates
3a36f306 · Jiacheng Lu · Commit Bot · bf3d9333 · 3a36f306 · 3a36f306
Commit 3a36f306 authored Jul 19, 2019 by Jiacheng Lu Committed by Commit Bot Jul 29, 2019
4 changed files
--- a/src/libANGLE/renderer/d3d/ProgramD3D.cpp
+++ b/src/libANGLE/renderer/d3d/ProgramD3D.cpp
@@ -2612,12 +2612,10 @@ void ProgramD3D::setUniformMatrixfvInternal(GLint location,
    {
        if (targetUniform->mShaderData[shaderType])
        {
-            if (SetFloatUniformMatrixHLSL<cols, rows>::Run(arrayElementOffset, elementCount,
-                                                           countIn, transpose, value,
-                                                           targetUniform->mShaderData[shaderType]))
-            {
-                mShaderUniformsDirty.set(shaderType);
-            }
+            SetFloatUniformMatrixHLSL<cols, rows>::Run(arrayElementOffset, elementCount, countIn,
+                                                       transpose, value,
+                                                       targetUniform->mShaderData[shaderType]);
+            mShaderUniformsDirty.set(shaderType);
        }
    }
 }

--- a/src/libANGLE/renderer/renderer_utils.cpp
+++ b/src/libANGLE/renderer/renderer_utils.cpp
--- a/src/libANGLE/renderer/renderer_utils.h
+++ b/src/libANGLE/renderer/renderer_utils.h
@@ -269,7 +269,7 @@ class IncompleteTextureSet final : angle::NonCopyable
 template <int cols, int rows>
 struct SetFloatUniformMatrixGLSL
 {
-    static bool Run(unsigned int arrayElementOffset,
+    static void Run(unsigned int arrayElementOffset,
                    unsigned int elementCount,
                    GLsizei countIn,
                    GLboolean transpose,
@@ -280,7 +280,7 @@ struct SetFloatUniformMatrixGLSL
 template <int cols, int rows>
 struct SetFloatUniformMatrixHLSL
 {
-    static bool Run(unsigned int arrayElementOffset,
+    static void Run(unsigned int arrayElementOffset,
                    unsigned int elementCount,
                    GLsizei countIn,
                    GLboolean transpose,

--- a/src/libANGLE/renderer/vulkan/ProgramVk.cpp
+++ b/src/libANGLE/renderer/vulkan/ProgramVk.cpp
@@ -930,17 +930,11 @@ void ProgramVk::setUniformMatrixfv(GLint location,
            continue;
        }

-        bool updated = SetFloatUniformMatrixGLSL<cols, rows>::Run(
+        SetFloatUniformMatrixGLSL<cols, rows>::Run(
            locationInfo.arrayIndex, linkedUniform.getArraySizeProduct(), count, transpose, value,
            uniformBlock.uniformData.data() + layoutInfo.offset);

-        // If the uniformsDirty flag was true, we don't want to flip it to false here if the
-        // setter did not update any data. We still want the uniform to be included when we'll
-        // update the descriptor sets.
-        if (updated)
-        {
-            mDefaultUniformBlocksDirty.set(shaderType);
-        }
+        mDefaultUniformBlocksDirty.set(shaderType);
    }
 }