A simple change to move a bunch of stuff out of Gr*Geometry.h

BUG=skia:

Review URL: https://codereview.chromium.org/920863002

1 files changed, 75 insertions, 0 deletions

diff --git a/src/gpu/gl/GrGLPrimitiveProcessor.cpp b/src/gpu/gl/GrGLPrimitiveProcessor.cpp
new file mode 100644
index 0000000000..335dc4fe5f
--- /dev/null
+++ b/src/gpu/gl/GrGLPrimitiveProcessor.cpp
@@ -0,0 +1,75 @@
+/*
+ * Copyright 2014 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#include "GrGLPrimitiveProcessor.h"
+
+#include "builders/GrGLProgramBuilder.h"
+
+SkMatrix GrGLPrimitiveProcessor::GetTransformMatrix(const SkMatrix& localMatrix,
+                                                    const GrCoordTransform& coordTransform) {
+    SkMatrix combined;
+    // We only apply the localmatrix to localcoords
+    if (kLocal_GrCoordSet == coordTransform.sourceCoords()) {
+        combined.setConcat(coordTransform.getMatrix(), localMatrix);
+    } else {
+        combined = coordTransform.getMatrix();
+    }
+    if (coordTransform.reverseY()) {
+        // combined.postScale(1,-1);
+        // combined.postTranslate(0,1);
+        combined.set(SkMatrix::kMSkewY,
+            combined[SkMatrix::kMPersp0] - combined[SkMatrix::kMSkewY]);
+        combined.set(SkMatrix::kMScaleY,
+            combined[SkMatrix::kMPersp1] - combined[SkMatrix::kMScaleY]);
+        combined.set(SkMatrix::kMTransY,
+            combined[SkMatrix::kMPersp2] - combined[SkMatrix::kMTransY]);
+    }
+    return combined;
+}
+
+void
+GrGLPrimitiveProcessor::setupColorPassThrough(GrGLGPBuilder* pb,
+                                              GrGPInput inputType,
+                                              const char* outputName,
+                                              const GrGeometryProcessor::Attribute* colorAttr,
+                                              UniformHandle* colorUniform) {
+    GrGLGPFragmentBuilder* fs = pb->getFragmentShaderBuilder();
+    if (kUniform_GrGPInput == inputType) {
+        SkASSERT(colorUniform);
+        const char* stagedLocalVarName;
+        *colorUniform = pb->addUniform(GrGLProgramBuilder::kFragment_Visibility,
+                                       kVec4f_GrSLType,
+                                       kDefault_GrSLPrecision,
+                                       "Color",
+                                       &stagedLocalVarName);
+        fs->codeAppendf("%s = %s;", outputName, stagedLocalVarName);
+    } else if (kAttribute_GrGPInput == inputType) {
+        SkASSERT(colorAttr);
+        pb->addPassThroughAttribute(colorAttr, outputName);
+    } else if (kAllOnes_GrGPInput == inputType) {
+        fs->codeAppendf("%s = vec4(1);", outputName);
+    }
+}
+
+void GrGLPrimitiveProcessor::addUniformViewMatrix(GrGLGPBuilder* pb) {
+    fViewMatrixUniform = pb->addUniform(GrGLProgramBuilder::kVertex_Visibility,
+                                        kMat33f_GrSLType, kDefault_GrSLPrecision,
+                                        "uViewM",
+                                        &fViewMatrixName);
+}
+
+void GrGLPrimitiveProcessor::setUniformViewMatrix(const GrGLProgramDataManager& pdman,
+                                                  const SkMatrix& viewMatrix) {
+    if (!fViewMatrix.cheapEqualTo(viewMatrix)) {
+        SkASSERT(fViewMatrixUniform.isValid());
+        fViewMatrix = viewMatrix;
+
+        GrGLfloat viewMatrix[3 * 3];
+        GrGLGetMatrix<3>(viewMatrix, fViewMatrix);
+        pdman.setMatrix3f(fViewMatrixUniform, viewMatrix);
+    }
+}