Example #1
0
bool GrGLFullShaderBuilder::compileAndAttachShaders(GrGLuint programId,
                                                    SkTDArray<GrGLuint>* shaderIds) const {
    const GrGLContext& glCtx = this->gpu()->glContext();
    SkString vertShaderSrc(GrGetGLSLVersionDecl(this->ctxInfo()));
    this->appendUniformDecls(kVertex_Visibility, &vertShaderSrc);
    this->appendDecls(fVSAttrs, &vertShaderSrc);
    this->appendDecls(fVSOutputs, &vertShaderSrc);
    vertShaderSrc.append("void main() {\n");
    vertShaderSrc.append(fVSCode);
    vertShaderSrc.append("}\n");
    GrGLuint vertShaderId = attach_shader(glCtx, programId, GR_GL_VERTEX_SHADER, vertShaderSrc);
    if (!vertShaderId) {
        return false;
    }
    *shaderIds->append() = vertShaderId;

#if GR_GL_EXPERIMENTAL_GS
    if (this->desc().getHeader().fExperimentalGS) {
        SkASSERT(this->ctxInfo().glslGeneration() >= k150_GrGLSLGeneration);
        SkString geomShaderSrc(GrGetGLSLVersionDecl(this->ctxInfo()));
        geomShaderSrc.append("layout(triangles) in;\n"
                             "layout(triangle_strip, max_vertices = 6) out;\n");
        this->appendDecls(fGSInputs, &geomShaderSrc);
        this->appendDecls(fGSOutputs, &geomShaderSrc);
        geomShaderSrc.append("void main() {\n");
        geomShaderSrc.append("\tfor (int i = 0; i < 3; ++i) {\n"
                             "\t\tgl_Position = gl_in[i].gl_Position;\n");
        if (this->desc().getHeader().fEmitsPointSize) {
            geomShaderSrc.append("\t\tgl_PointSize = 1.0;\n");
        }
        SkASSERT(fGSInputs.count() == fGSOutputs.count());
        for (int i = 0; i < fGSInputs.count(); ++i) {
            geomShaderSrc.appendf("\t\t%s = %s[i];\n",
                                  fGSOutputs[i].getName().c_str(),
                                  fGSInputs[i].getName().c_str());
        }
        geomShaderSrc.append("\t\tEmitVertex();\n"
                             "\t}\n"
                             "\tEndPrimitive();\n");
        geomShaderSrc.append("}\n");
        GrGLuint geomShaderId = attach_shader(glCtx, programId, GR_GL_GEOMETRY_SHADER, geomShaderSrc);
        if (!geomShaderId) {
            return false;
        }
        *shaderIds->append() = geomShaderId;
    }
#endif

    return this->INHERITED::compileAndAttachShaders(programId, shaderIds);
}
Example #2
0
bool GrGLShaderBuilder::compileAndAttachShaders(GrGLuint programId, SkTDArray<GrGLuint>* shaderIds) const {
    SkString fragShaderSrc(GrGetGLSLVersionDecl(this->ctxInfo()));
    fragShaderSrc.append(fFSExtensions);
    append_default_precision_qualifier(kDefaultFragmentPrecision,
                                       fGpu->glStandard(),
                                       &fragShaderSrc);
    this->appendUniformDecls(kFragment_Visibility, &fragShaderSrc);
    this->appendDecls(fFSInputs, &fragShaderSrc);
    // We shouldn't have declared outputs on 1.10
    SkASSERT(k110_GrGLSLGeneration != fGpu->glslGeneration() || fFSOutputs.empty());
    this->appendDecls(fFSOutputs, &fragShaderSrc);
    fragShaderSrc.append(fFSFunctions);
    fragShaderSrc.append("void main() {\n");
    fragShaderSrc.append(fFSCode);
    fragShaderSrc.append("}\n");

    GrGLuint fragShaderId = attach_shader(fGpu->glContext(), programId, GR_GL_FRAGMENT_SHADER, fragShaderSrc);
    if (!fragShaderId) {
        return false;
    }

    *shaderIds->append() = fragShaderId;

    return true;
}
bool GrGLGeometryShaderBuilder::compileAndAttachShaders(GrGLuint programId,
        SkTDArray<GrGLuint>* shaderIds) const {
    const GrGLContext& glCtx = fProgramBuilder->gpu()->glContext();
    SkASSERT(fProgramBuilder->ctxInfo().glslGeneration() >= k150_GrGLSLGeneration);
    SkString geomShaderSrc(GrGetGLSLVersionDecl(fProgramBuilder->ctxInfo()));
    geomShaderSrc.append("layout(triangles) in;\n"
                         "layout(triangle_strip, max_vertices = 6) out;\n");
    fProgramBuilder->appendDecls(fInputs, &geomShaderSrc);
    fProgramBuilder->appendDecls(fOutputs, &geomShaderSrc);
    geomShaderSrc.append("void main() {\n");
    geomShaderSrc.append("\tfor (int i = 0; i < 3; ++i) {\n"
                         "\t\tgl_Position = gl_in[i].gl_Position;\n");
    if (fProgramBuilder->desc().getHeader().fEmitsPointSize) {
        geomShaderSrc.append("\t\tgl_PointSize = 1.0;\n");
    }
    SkASSERT(fInputs.count() == fOutputs.count());
    for (int i = 0; i < fInputs.count(); ++i) {
        geomShaderSrc.appendf("\t\t%s = %s[i];\n",
                              fOutputs[i].getName().c_str(),
                              fInputs[i].getName().c_str());
    }
    geomShaderSrc.append("\t\tEmitVertex();\n"
                         "\t}\n"
                         "\tEndPrimitive();\n");
    geomShaderSrc.append("}\n");
    GrGLuint geomShaderId =
        GrGLCompileAndAttachShader(glCtx, programId,
                                   GR_GL_GEOMETRY_SHADER, geomShaderSrc,
                                   fProgramBuilder->gpu()->gpuStats());
    if (!geomShaderId) {
        return false;
    }
    *shaderIds->append() = geomShaderId;
    return true;
}
Example #4
0
bool
GrGLVertexBuilder::compileAndAttachShaders(GrGLuint programId, SkTDArray<GrGLuint>* shaderIds) {
    this->versionDecl() = GrGetGLSLVersionDecl(fProgramBuilder->ctxInfo());
    fProgramBuilder->appendUniformDecls(GrGLProgramBuilder::kVertex_Visibility, &this->uniforms());
    this->appendDecls(fInputs, &this->inputs());
    this->appendDecls(fOutputs, &this->outputs());
    return this->finalize(programId, GR_GL_VERTEX_SHADER, shaderIds);
}
bool GrGLVertexShaderBuilder::compileAndAttachShaders(GrGLuint programId,
        SkTDArray<GrGLuint>* shaderIds) const {
    GrGpuGL* gpu = fProgramBuilder->gpu();
    const GrGLContext& glCtx = gpu->glContext();
    const GrGLContextInfo& ctxInfo = gpu->ctxInfo();
    SkString vertShaderSrc(GrGetGLSLVersionDecl(ctxInfo));
    fProgramBuilder->appendUniformDecls(GrGLProgramBuilder::kVertex_Visibility, &vertShaderSrc);
    fProgramBuilder->appendDecls(fInputs, &vertShaderSrc);
    fProgramBuilder->appendDecls(fOutputs, &vertShaderSrc);
    vertShaderSrc.append("void main() {");
    vertShaderSrc.append(fCode);
    vertShaderSrc.append("}\n");
    GrGLuint vertShaderId = GrGLCompileAndAttachShader(glCtx, programId,
                                                       GR_GL_VERTEX_SHADER, vertShaderSrc,
                                                       gpu->gpuStats());
    if (!vertShaderId) {
        return false;
    }
    *shaderIds->append() = vertShaderId;
    return true;
}