blob: e2c3119c5e8d7d39c06b03ffa544f27f2b392f07 [file] [log] [blame]
* Copyright 2017 Google Inc.
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
#ifndef GrGLSLVertexGeoBuilder_DEFINED
#define GrGLSLVertexGeoBuilder_DEFINED
#include "src/gpu/GrGeometryProcessor.h"
#include "src/gpu/glsl/GrGLSLShaderBuilder.h"
* Base class for vertex shader builder. This is the stage that computes input geometry for the
* rasterizer.
class GrGLSLVertexGeoBuilder : public GrGLSLShaderBuilder {
// Copies the given text verbatim to the function definitions section. Does not mangle the name.
// 'functionDefinition' should be a fully valid SkSL function, complete with return type, name,
// arguments, braces, and a body.
void insertFunction(const char* functionDefinition) {
using GrGLSLShaderBuilder::functions;
using GrGLSLShaderBuilder::code;
GrGLSLVertexGeoBuilder(GrGLSLProgramBuilder* program) : INHERITED(program) {}
void emitNormalizedSkPosition(const char* devPos,
GrSLType devPosType = GrSLType::kFloat2_GrSLType) {
this->emitNormalizedSkPosition(&this->code(), devPos, devPosType);
void emitNormalizedSkPosition(SkString* out, const char* devPos,
GrSLType devPosType = GrSLType::kFloat2_GrSLType);
friend class GrGeometryProcessor::ProgramImpl;
using INHERITED = GrGLSLShaderBuilder;
class GrGLSLVertexBuilder : public GrGLSLVertexGeoBuilder {
GrGLSLVertexBuilder(GrGLSLProgramBuilder* program) : INHERITED(program) {}
void onFinalize() override;
friend class GrGLProgramBuilder;
using INHERITED = GrGLSLVertexGeoBuilder;