Move all ShaderBuilder files to GLSL

src/gpu/gl/builders/GrGLVertexShaderBuilder.cpp

-/*
- * 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 "GrGLVertexShaderBuilder.h"
-#include "glsl/GrGLSLProgramBuilder.h"
-
-GrGLVertexBuilder::GrGLVertexBuilder(GrGLSLProgramBuilder* program)
-    : INHERITED(program)
-    , fRtAdjustName(nullptr) {
-}
-
-void GrGLVertexBuilder::addVarying(const char* name, GrSLPrecision precision, GrGLSLVarying* v) {
-    fOutputs.push_back();
-    fOutputs.back().setType(v->fType);
-    fOutputs.back().setTypeModifier(GrGLSLShaderVar::kVaryingOut_TypeModifier);
-    fOutputs.back().setPrecision(precision);
-    fProgramBuilder->nameVariable(fOutputs.back().accessName(), 'v', name);
-    v->fVsOut = fOutputs.back().getName().c_str();
-}
-
-void GrGLVertexBuilder::emitAttributes(const GrGeometryProcessor& gp) {
-    int vaCount = gp.numAttribs();
-    for (int i = 0; i < vaCount; i++) {
-        this->addAttribute(&gp.getAttrib(i));
-    }
-    return;
-}
-
-void GrGLVertexBuilder::transformToNormalizedDeviceSpace(const GrShaderVar& posVar) {
-    SkASSERT(!fRtAdjustName);
-
-    GrSLPrecision precision = kDefault_GrSLPrecision;
-    if (fProgramBuilder->glslCaps()->forceHighPrecisionNDSTransform()) {
-        precision = kHigh_GrSLPrecision;
-    }
-
-    // setup RT Uniform
-    fProgramBuilder->fUniformHandles.fRTAdjustmentUni =
-            fProgramBuilder->addUniform(GrGLSLProgramBuilder::kVertex_Visibility,
-                                        kVec4f_GrSLType, precision,
-                                        fProgramBuilder->rtAdjustment(),
-                                        &fRtAdjustName);
-    if (this->getProgramBuilder()->desc().header().fSnapVerticesToPixelCenters) {
-        if (kVec3f_GrSLType == posVar.getType()) {
-            const char* p = posVar.c_str();
-            this->codeAppendf("{vec2 _posTmp = vec2(%s.x/%s.z, %s.y/%s.z);", p, p, p, p);
-        } else {
-            SkASSERT(kVec2f_GrSLType == posVar.getType());
-            this->codeAppendf("{vec2 _posTmp = %s;", posVar.c_str());
-        }
-        this->codeAppendf("_posTmp = floor(_posTmp) + vec2(0.5, 0.5);"
-                          "gl_Position = vec4(_posTmp.x * %s.x + %s.y,"
-                                             "_posTmp.y * %s.z + %s.w, 0, 1);}",
-                          fRtAdjustName, fRtAdjustName, fRtAdjustName, fRtAdjustName);
-    } else if (kVec3f_GrSLType == posVar.getType()) {
-        this->codeAppendf("gl_Position = vec4(dot(%s.xz, %s.xy), dot(%s.yz, %s.zw), 0, %s.z);",
-                          posVar.c_str(), fRtAdjustName,
-                          posVar.c_str(), fRtAdjustName,
-                          posVar.c_str());
-    } else {
-        SkASSERT(kVec2f_GrSLType == posVar.getType());
-        this->codeAppendf("gl_Position = vec4(%s.x * %s.x + %s.y, %s.y * %s.z + %s.w, 0, 1);",
-                          posVar.c_str(), fRtAdjustName, fRtAdjustName,
-                          posVar.c_str(), fRtAdjustName, fRtAdjustName);
-    }
-    // We could have the GrGeometryProcessor do this, but its just easier to have it performed
-    // here. If we ever need to set variable pointsize, then we can reinvestigate
-    this->codeAppend("gl_PointSize = 1.0;");
-}
-
-bool GrGLVertexBuilder::addAttribute(const GrShaderVar& var) {
-    SkASSERT(GrShaderVar::kAttribute_TypeModifier == var.getTypeModifier());
-    for (int i = 0; i < fInputs.count(); ++i) {
-        const GrGLSLShaderVar& attr = fInputs[i];
-        // if attribute already added, don't add it again
-        if (attr.getName().equals(var.getName())) {
-            return false;
-        }
-    }
-    fInputs.push_back(var);
-    return true;
-}
-