A simple change to move a bunch of stuff out of Gr*Geometry.h
BUG=skia:
Review URL: https://codereview.chromium.org/920863002
diff --git a/src/gpu/gl/GrGLGeometryProcessor.cpp b/src/gpu/gl/GrGLGeometryProcessor.cpp
new file mode 100644
index 0000000..a8d020a
--- /dev/null
+++ b/src/gpu/gl/GrGLGeometryProcessor.cpp
@@ -0,0 +1,129 @@
+/*
+ * 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 "GrGLGeometryProcessor.h"
+
+#include "builders/GrGLProgramBuilder.h"
+
+void GrGLGeometryProcessor::emitCode(EmitArgs& args) {
+ GrGLVertexBuilder* vsBuilder = args.fPB->getVertexShaderBuilder();
+ GrGPArgs gpArgs;
+ this->onEmitCode(args, &gpArgs);
+ vsBuilder->transformToNormalizedDeviceSpace(gpArgs.fPositionVar);
+}
+
+void GrGLGeometryProcessor::emitTransforms(GrGLGPBuilder* pb,
+ const GrShaderVar& posVar,
+ const char* localCoords,
+ const SkMatrix& localMatrix,
+ const TransformsIn& tin,
+ TransformsOut* tout) {
+ GrGLVertexBuilder* vb = pb->getVertexShaderBuilder();
+ tout->push_back_n(tin.count());
+ fInstalledTransforms.push_back_n(tin.count());
+ for (int i = 0; i < tin.count(); i++) {
+ const ProcCoords& coordTransforms = tin[i];
+ fInstalledTransforms[i].push_back_n(coordTransforms.count());
+ for (int t = 0; t < coordTransforms.count(); t++) {
+ SkString strUniName("StageMatrix");
+ strUniName.appendf("_%i_%i", i, t);
+ GrSLType varyingType;
+
+ GrCoordSet coordType = coordTransforms[t]->sourceCoords();
+ uint32_t type = coordTransforms[t]->getMatrix().getType();
+ if (kLocal_GrCoordSet == coordType) {
+ type |= localMatrix.getType();
+ }
+ varyingType = SkToBool(SkMatrix::kPerspective_Mask & type) ? kVec3f_GrSLType :
+ kVec2f_GrSLType;
+ GrSLPrecision precision = coordTransforms[t]->precision();
+
+ const char* uniName;
+ fInstalledTransforms[i][t].fHandle =
+ pb->addUniform(GrGLProgramBuilder::kVertex_Visibility,
+ kMat33f_GrSLType, precision,
+ strUniName.c_str(),
+ &uniName).toShaderBuilderIndex();
+
+ SkString strVaryingName("MatrixCoord");
+ strVaryingName.appendf("_%i_%i", i, t);
+
+ GrGLVertToFrag v(varyingType);
+ pb->addVarying(strVaryingName.c_str(), &v, precision);
+
+ SkASSERT(kVec2f_GrSLType == varyingType || kVec3f_GrSLType == varyingType);
+ SkNEW_APPEND_TO_TARRAY(&(*tout)[i], GrGLProcessor::TransformedCoords,
+ (SkString(v.fsIn()), varyingType));
+
+ // varying = matrix * coords (logically)
+ if (kDevice_GrCoordSet == coordType) {
+ if (kVec2f_GrSLType == varyingType) {
+ if (kVec2f_GrSLType == posVar.getType()) {
+ vb->codeAppendf("%s = (%s * vec3(%s, 1)).xy;",
+ v.vsOut(), uniName, posVar.c_str());
+ } else {
+ // The brackets here are just to scope the temp variable
+ vb->codeAppendf("{ vec3 temp = %s * %s;", uniName, posVar.c_str());
+ vb->codeAppendf("%s = vec2(temp.x/temp.z, temp.y/temp.z); }", v.vsOut());
+ }
+ } else {
+ if (kVec2f_GrSLType == posVar.getType()) {
+ vb->codeAppendf("%s = %s * vec3(%s, 1);",
+ v.vsOut(), uniName, posVar.c_str());
+ } else {
+ vb->codeAppendf("%s = %s * %s;", v.vsOut(), uniName, posVar.c_str());
+ }
+ }
+ } else {
+ if (kVec2f_GrSLType == varyingType) {
+ vb->codeAppendf("%s = (%s * vec3(%s, 1)).xy;", v.vsOut(), uniName, localCoords);
+ } else {
+ vb->codeAppendf("%s = %s * vec3(%s, 1);", v.vsOut(), uniName, localCoords);
+ }
+ }
+ }
+ }
+}
+
+void
+GrGLGeometryProcessor::setTransformData(const GrPrimitiveProcessor& primProc,
+ const GrGLProgramDataManager& pdman,
+ int index,
+ const SkTArray<const GrCoordTransform*, true>& transforms) {
+ SkSTArray<2, Transform, true>& procTransforms = fInstalledTransforms[index];
+ int numTransforms = transforms.count();
+ for (int t = 0; t < numTransforms; ++t) {
+ SkASSERT(procTransforms[t].fHandle.isValid());
+ const SkMatrix& transform = GetTransformMatrix(primProc.localMatrix(), *transforms[t]);
+ if (!procTransforms[t].fCurrentValue.cheapEqualTo(transform)) {
+ pdman.setSkMatrix(procTransforms[t].fHandle.convertToUniformHandle(), transform);
+ procTransforms[t].fCurrentValue = transform;
+ }
+ }
+}
+
+void GrGLGeometryProcessor::SetupPosition(GrGLVertexBuilder* vsBuilder,
+ GrGPArgs* gpArgs,
+ const char* posName,
+ const SkMatrix& mat,
+ const char* matName) {
+ if (mat.isIdentity()) {
+ gpArgs->fPositionVar.set(kVec2f_GrSLType, "pos2");
+
+ vsBuilder->codeAppendf("vec2 %s = %s;", gpArgs->fPositionVar.c_str(), posName);
+ } else if (!mat.hasPerspective()) {
+ gpArgs->fPositionVar.set(kVec2f_GrSLType, "pos2");
+
+ vsBuilder->codeAppendf("vec2 %s = vec2(%s * vec3(%s, 1));",
+ gpArgs->fPositionVar.c_str(), matName, posName);
+ } else {
+ gpArgs->fPositionVar.set(kVec3f_GrSLType, "pos3");
+
+ vsBuilder->codeAppendf("vec3 %s = %s * vec3(%s, 1);",
+ gpArgs->fPositionVar.c_str(), matName, posName);
+ }
+}