diff options
Diffstat (limited to 'src/3rdparty/angle/src/libGLESv2/renderer/d3d/DynamicHLSL.cpp')
| -rw-r--r-- | src/3rdparty/angle/src/libGLESv2/renderer/d3d/DynamicHLSL.cpp | 1148 |
1 files changed, 0 insertions, 1148 deletions
diff --git a/src/3rdparty/angle/src/libGLESv2/renderer/d3d/DynamicHLSL.cpp b/src/3rdparty/angle/src/libGLESv2/renderer/d3d/DynamicHLSL.cpp deleted file mode 100644 index 3d5bfe0cbe..0000000000 --- a/src/3rdparty/angle/src/libGLESv2/renderer/d3d/DynamicHLSL.cpp +++ /dev/null @@ -1,1148 +0,0 @@ -// -// Copyright (c) 2014 The ANGLE Project Authors. All rights reserved. -// Use of this source code is governed by a BSD-style license that can be -// found in the LICENSE file. -// -// DynamicHLSL.cpp: Implementation for link and run-time HLSL generation -// - -#include "libGLESv2/renderer/d3d/DynamicHLSL.h" -#include "libGLESv2/renderer/d3d/ShaderD3D.h" -#include "libGLESv2/renderer/d3d/RendererD3D.h" -#include "libGLESv2/Program.h" -#include "libGLESv2/ProgramBinary.h" -#include "libGLESv2/Shader.h" -#include "libGLESv2/formatutils.h" - -#include "common/utilities.h" -#include "common/blocklayout.h" - -// For use with ArrayString, see angleutils.h -META_ASSERT(GL_INVALID_INDEX == UINT_MAX); - -using namespace gl; - -namespace rx -{ - -namespace -{ - -std::string HLSLComponentTypeString(GLenum componentType) -{ - switch (componentType) - { - case GL_UNSIGNED_INT: return "uint"; - case GL_INT: return "int"; - case GL_UNSIGNED_NORMALIZED: - case GL_SIGNED_NORMALIZED: - case GL_FLOAT: return "float"; - default: UNREACHABLE(); return "not-component-type"; - } -} - -std::string HLSLComponentTypeString(GLenum componentType, int componentCount) -{ - return HLSLComponentTypeString(componentType) + (componentCount > 1 ? Str(componentCount) : ""); -} - -std::string HLSLMatrixTypeString(GLenum type) -{ - switch (type) - { - case GL_FLOAT_MAT2: return "float2x2"; - case GL_FLOAT_MAT3: return "float3x3"; - case GL_FLOAT_MAT4: return "float4x4"; - case GL_FLOAT_MAT2x3: return "float2x3"; - case GL_FLOAT_MAT3x2: return "float3x2"; - case GL_FLOAT_MAT2x4: return "float2x4"; - case GL_FLOAT_MAT4x2: return "float4x2"; - case GL_FLOAT_MAT3x4: return "float3x4"; - case GL_FLOAT_MAT4x3: return "float4x3"; - default: UNREACHABLE(); return "not-matrix-type"; - } -} - -std::string HLSLTypeString(GLenum type) -{ - if (gl::IsMatrixType(type)) - { - return HLSLMatrixTypeString(type); - } - - return HLSLComponentTypeString(gl::VariableComponentType(type), gl::VariableComponentCount(type)); -} - -const PixelShaderOutputVariable &GetOutputAtLocation(const std::vector<PixelShaderOutputVariable> &outputVariables, - unsigned int location) -{ - for (size_t variableIndex = 0; variableIndex < outputVariables.size(); ++variableIndex) - { - if (outputVariables[variableIndex].outputIndex == location) - { - return outputVariables[variableIndex]; - } - } - - UNREACHABLE(); - return outputVariables[0]; -} - -const std::string VERTEX_ATTRIBUTE_STUB_STRING = "@@ VERTEX ATTRIBUTES @@"; -const std::string PIXEL_OUTPUT_STUB_STRING = "@@ PIXEL OUTPUT @@"; - -} - -DynamicHLSL::DynamicHLSL(RendererD3D *const renderer) - : mRenderer(renderer) -{ -} - -static bool packVarying(PackedVarying *varying, const int maxVaryingVectors, VaryingPacking packing) -{ - GLenum transposedType = TransposeMatrixType(varying->type); - - // matrices within varying structs are not transposed - int registers = (varying->isStruct() ? HLSLVariableRegisterCount(*varying) : VariableRowCount(transposedType)) * varying->elementCount(); - int elements = (varying->isStruct() ? 4 : VariableColumnCount(transposedType)); - - if (elements >= 2 && elements <= 4) - { - for (int r = 0; r <= maxVaryingVectors - registers; r++) - { - bool available = true; - - for (int y = 0; y < registers && available; y++) - { - for (int x = 0; x < elements && available; x++) - { - if (packing[r + y][x]) - { - available = false; - } - } - } - - if (available) - { - varying->registerIndex = r; - varying->columnIndex = 0; - - for (int y = 0; y < registers; y++) - { - for (int x = 0; x < elements; x++) - { - packing[r + y][x] = &*varying; - } - } - - return true; - } - } - - if (elements == 2) - { - for (int r = maxVaryingVectors - registers; r >= 0; r--) - { - bool available = true; - - for (int y = 0; y < registers && available; y++) - { - for (int x = 2; x < 4 && available; x++) - { - if (packing[r + y][x]) - { - available = false; - } - } - } - - if (available) - { - varying->registerIndex = r; - varying->columnIndex = 2; - - for (int y = 0; y < registers; y++) - { - for (int x = 2; x < 4; x++) - { - packing[r + y][x] = &*varying; - } - } - - return true; - } - } - } - } - else if (elements == 1) - { - int space[4] = { 0 }; - - for (int y = 0; y < maxVaryingVectors; y++) - { - for (int x = 0; x < 4; x++) - { - space[x] += packing[y][x] ? 0 : 1; - } - } - - int column = 0; - - for (int x = 0; x < 4; x++) - { - if (space[x] >= registers && (space[column] < registers || space[x] < space[column])) - { - column = x; - } - } - - if (space[column] >= registers) - { - for (int r = 0; r < maxVaryingVectors; r++) - { - if (!packing[r][column]) - { - varying->registerIndex = r; - varying->columnIndex = column; - - for (int y = r; y < r + registers; y++) - { - packing[y][column] = &*varying; - } - - break; - } - } - - return true; - } - } - else UNREACHABLE(); - - return false; -} - -// Packs varyings into generic varying registers, using the algorithm from [OpenGL ES Shading Language 1.00 rev. 17] appendix A section 7 page 111 -// Returns the number of used varying registers, or -1 if unsuccesful -int DynamicHLSL::packVaryings(InfoLog &infoLog, VaryingPacking packing, ShaderD3D *fragmentShader, - ShaderD3D *vertexShader, const std::vector<std::string> &transformFeedbackVaryings) -{ - // TODO (geofflang): Use context's caps - const int maxVaryingVectors = mRenderer->getRendererCaps().maxVaryingVectors; - - vertexShader->resetVaryingsRegisterAssignment(); - fragmentShader->resetVaryingsRegisterAssignment(); - - std::set<std::string> packedVaryings; - - std::vector<gl::PackedVarying> &fragmentVaryings = fragmentShader->getVaryings(); - std::vector<gl::PackedVarying> &vertexVaryings = vertexShader->getVaryings(); - for (unsigned int varyingIndex = 0; varyingIndex < fragmentVaryings.size(); varyingIndex++) - { - PackedVarying *varying = &fragmentVaryings[varyingIndex]; - - // Do not assign registers to built-in or unreferenced varyings - if (varying->isBuiltIn() || !varying->staticUse) - { - continue; - } - - if (packVarying(varying, maxVaryingVectors, packing)) - { - packedVaryings.insert(varying->name); - } - else - { - infoLog.append("Could not pack varying %s", varying->name.c_str()); - return -1; - } - } - - for (unsigned int feedbackVaryingIndex = 0; feedbackVaryingIndex < transformFeedbackVaryings.size(); feedbackVaryingIndex++) - { - const std::string &transformFeedbackVarying = transformFeedbackVaryings[feedbackVaryingIndex]; - - if (transformFeedbackVarying == "gl_Position" || transformFeedbackVarying == "gl_PointSize") - { - // do not pack builtin XFB varyings - continue; - } - - if (packedVaryings.find(transformFeedbackVarying) == packedVaryings.end()) - { - bool found = false; - for (unsigned int varyingIndex = 0; varyingIndex < vertexVaryings.size(); varyingIndex++) - { - PackedVarying *varying = &vertexVaryings[varyingIndex]; - if (transformFeedbackVarying == varying->name) - { - if (!packVarying(varying, maxVaryingVectors, packing)) - { - infoLog.append("Could not pack varying %s", varying->name.c_str()); - return -1; - } - - found = true; - break; - } - } - - if (!found) - { - infoLog.append("Transform feedback varying %s does not exist in the vertex shader.", transformFeedbackVarying.c_str()); - return -1; - } - } - } - - // Return the number of used registers - int registers = 0; - - for (int r = 0; r < maxVaryingVectors; r++) - { - if (packing[r][0] || packing[r][1] || packing[r][2] || packing[r][3]) - { - registers++; - } - } - - return registers; -} - -std::string DynamicHLSL::generateVaryingHLSL(const ShaderD3D *shader) const -{ - std::string varyingSemantic = getVaryingSemantic(shader->mUsesPointSize); - std::string varyingHLSL; - - const std::vector<gl::PackedVarying> &varyings = shader->getVaryings(); - - for (unsigned int varyingIndex = 0; varyingIndex < varyings.size(); varyingIndex++) - { - const PackedVarying &varying = varyings[varyingIndex]; - if (varying.registerAssigned()) - { - ASSERT(!varying.isBuiltIn()); - GLenum transposedType = TransposeMatrixType(varying.type); - int variableRows = (varying.isStruct() ? 1 : VariableRowCount(transposedType)); - - for (unsigned int elementIndex = 0; elementIndex < varying.elementCount(); elementIndex++) - { - for (int row = 0; row < variableRows; row++) - { - // TODO: Add checks to ensure D3D interpolation modifiers don't result in too many registers being used. - // For example, if there are N registers, and we have N vec3 varyings and 1 float varying, then D3D will pack them into N registers. - // If the float varying has the 'nointerpolation' modifier on it then we would need N + 1 registers, and D3D compilation will fail. - - switch (varying.interpolation) - { - case sh::INTERPOLATION_SMOOTH: varyingHLSL += " "; break; - case sh::INTERPOLATION_FLAT: varyingHLSL += " nointerpolation "; break; - case sh::INTERPOLATION_CENTROID: varyingHLSL += " centroid "; break; - default: UNREACHABLE(); - } - - unsigned int semanticIndex = elementIndex * variableRows + varying.columnIndex * mRenderer->getRendererCaps().maxVaryingVectors + varying.registerIndex + row; - std::string n = Str(semanticIndex); - - std::string typeString; - - if (varying.isStruct()) - { - // matrices within structs are not transposed, so - // do not use the special struct prefix "rm" - typeString = decorateVariable(varying.structName); - } - else - { - GLenum componentType = VariableComponentType(transposedType); - int columnCount = VariableColumnCount(transposedType); - typeString = HLSLComponentTypeString(componentType, columnCount); - } - varyingHLSL += typeString + " v" + n + " : " + varyingSemantic + n + ";\n"; - } - } - } - } - - return varyingHLSL; -} - -std::string DynamicHLSL::generateVertexShaderForInputLayout(const std::string &sourceShader, - const VertexFormat inputLayout[], - const sh::Attribute shaderAttributes[]) const -{ - std::string structHLSL, initHLSL; - - int semanticIndex = 0; - unsigned int inputIndex = 0; - - for (unsigned int attributeIndex = 0; attributeIndex < MAX_VERTEX_ATTRIBS; attributeIndex++) - { - const sh::Attribute &shaderAttribute = shaderAttributes[attributeIndex]; - if (!shaderAttribute.name.empty()) - { - ASSERT(inputIndex < MAX_VERTEX_ATTRIBS); - const VertexFormat &vertexFormat = inputLayout[inputIndex]; - - // HLSL code for input structure - if (IsMatrixType(shaderAttribute.type)) - { - // Matrix types are always transposed - structHLSL += " " + HLSLMatrixTypeString(TransposeMatrixType(shaderAttribute.type)); - } - else - { - GLenum componentType = mRenderer->getVertexComponentType(vertexFormat); - structHLSL += " " + HLSLComponentTypeString(componentType, VariableComponentCount(shaderAttribute.type)); - } - - structHLSL += " " + decorateVariable(shaderAttribute.name) + " : TEXCOORD" + Str(semanticIndex) + ";\n"; - semanticIndex += VariableRegisterCount(shaderAttribute.type); - - // HLSL code for initialization - initHLSL += " " + decorateVariable(shaderAttribute.name) + " = "; - - // Mismatched vertex attribute to vertex input may result in an undefined - // data reinterpretation (eg for pure integer->float, float->pure integer) - // TODO: issue warning with gl debug info extension, when supported - if (IsMatrixType(shaderAttribute.type) || - (mRenderer->getVertexConversionType(vertexFormat) & VERTEX_CONVERT_GPU) != 0) - { - initHLSL += generateAttributeConversionHLSL(vertexFormat, shaderAttribute); - } - else - { - initHLSL += "input." + decorateVariable(shaderAttribute.name); - } - - initHLSL += ";\n"; - - inputIndex += VariableRowCount(TransposeMatrixType(shaderAttribute.type)); - } - } - - std::string replacementHLSL = "struct VS_INPUT\n" - "{\n" + - structHLSL + - "};\n" - "\n" - "void initAttributes(VS_INPUT input)\n" - "{\n" + - initHLSL + - "}\n"; - - std::string vertexHLSL(sourceShader); - - size_t copyInsertionPos = vertexHLSL.find(VERTEX_ATTRIBUTE_STUB_STRING); - vertexHLSL.replace(copyInsertionPos, VERTEX_ATTRIBUTE_STUB_STRING.length(), replacementHLSL); - - return vertexHLSL; -} - -std::string DynamicHLSL::generatePixelShaderForOutputSignature(const std::string &sourceShader, const std::vector<PixelShaderOutputVariable> &outputVariables, - bool usesFragDepth, const std::vector<GLenum> &outputLayout) const -{ - const int shaderModel = mRenderer->getMajorShaderModel(); - std::string targetSemantic = (shaderModel >= 4) ? "SV_TARGET" : "COLOR"; - std::string depthSemantic = (shaderModel >= 4) ? "SV_Depth" : "DEPTH"; - - std::string declarationHLSL; - std::string copyHLSL; - - for (size_t layoutIndex = 0; layoutIndex < outputLayout.size(); ++layoutIndex) - { - GLenum binding = outputLayout[layoutIndex]; - - if (binding != GL_NONE) - { - unsigned int location = (binding - GL_COLOR_ATTACHMENT0); - - const PixelShaderOutputVariable &outputVariable = GetOutputAtLocation(outputVariables, location); - - declarationHLSL += " " + HLSLTypeString(outputVariable.type) + " " + outputVariable.name + - " : " + targetSemantic + Str(layoutIndex) + ";\n"; - - copyHLSL += " output." + outputVariable.name + " = " + outputVariable.source + ";\n"; - } - } - - if (usesFragDepth) - { - declarationHLSL += " float gl_Depth : " + depthSemantic + ";\n"; - copyHLSL += " output.gl_Depth = gl_Depth; \n"; - } - - std::string replacementHLSL = "struct PS_OUTPUT\n" - "{\n" + - declarationHLSL + - "};\n" - "\n" - "PS_OUTPUT generateOutput()\n" - "{\n" - " PS_OUTPUT output;\n" + - copyHLSL + - " return output;\n" - "}\n"; - - std::string pixelHLSL(sourceShader); - - size_t outputInsertionPos = pixelHLSL.find(PIXEL_OUTPUT_STUB_STRING); - pixelHLSL.replace(outputInsertionPos, PIXEL_OUTPUT_STUB_STRING.length(), replacementHLSL); - - return pixelHLSL; -} - -std::string DynamicHLSL::getVaryingSemantic(bool pointSize) const -{ - // SM3 reserves the TEXCOORD semantic for point sprite texcoords (gl_PointCoord) - // In D3D11 we manually compute gl_PointCoord in the GS. - int shaderModel = mRenderer->getMajorShaderModel(); - return ((pointSize && shaderModel < 4) ? "COLOR" : "TEXCOORD"); -} - -struct DynamicHLSL::SemanticInfo -{ - struct BuiltinInfo - { - BuiltinInfo() - : enabled(false), - index(0), - systemValue(false) - {} - - bool enabled; - std::string semantic; - unsigned int index; - bool systemValue; - - std::string str() const - { - return (systemValue ? semantic : (semantic + Str(index))); - } - - void enableSystem(const std::string &systemValueSemantic) - { - enabled = true; - semantic = systemValueSemantic; - systemValue = true; - } - - void enable(const std::string &semanticVal, unsigned int indexVal) - { - enabled = true; - semantic = semanticVal; - index = indexVal; - } - }; - - BuiltinInfo dxPosition; - BuiltinInfo glPosition; - BuiltinInfo glFragCoord; - BuiltinInfo glPointCoord; - BuiltinInfo glPointSize; -}; - -DynamicHLSL::SemanticInfo DynamicHLSL::getSemanticInfo(int startRegisters, bool fragCoord, bool pointCoord, - bool pointSize, bool pixelShader) const -{ - SemanticInfo info; - bool hlsl4 = (mRenderer->getMajorShaderModel() >= 4); - const std::string &varyingSemantic = getVaryingSemantic(pointSize); - - int reservedRegisterIndex = startRegisters; - - if (hlsl4) - { - info.dxPosition.enableSystem("SV_Position"); - } - else if (pixelShader) - { - info.dxPosition.enableSystem("VPOS"); - } - else - { - info.dxPosition.enableSystem("POSITION"); - } - - info.glPosition.enable(varyingSemantic, reservedRegisterIndex++); - - if (fragCoord) - { - info.glFragCoord.enable(varyingSemantic, reservedRegisterIndex++); - } - - if (pointCoord) - { - // SM3 reserves the TEXCOORD semantic for point sprite texcoords (gl_PointCoord) - // In D3D11 we manually compute gl_PointCoord in the GS. - if (hlsl4) - { - info.glPointCoord.enable(varyingSemantic, reservedRegisterIndex++); - } - else - { - info.glPointCoord.enable("TEXCOORD", 0); - } - } - - // Special case: do not include PSIZE semantic in HLSL 3 pixel shaders - if (pointSize && (!pixelShader || hlsl4)) - { - info.glPointSize.enableSystem("PSIZE"); - } - - return info; -} - -std::string DynamicHLSL::generateVaryingLinkHLSL(const SemanticInfo &info, const std::string &varyingHLSL) const -{ - std::string linkHLSL = "{\n"; - - ASSERT(info.dxPosition.enabled && info.glPosition.enabled); - - linkHLSL += " float4 dx_Position : " + info.dxPosition.str() + ";\n"; - linkHLSL += " float4 gl_Position : " + info.glPosition.str() + ";\n"; - - if (info.glFragCoord.enabled) - { - linkHLSL += " float4 gl_FragCoord : " + info.glFragCoord.str() + ";\n"; - } - - if (info.glPointCoord.enabled) - { - linkHLSL += " float2 gl_PointCoord : " + info.glPointCoord.str() + ";\n"; - } - - linkHLSL += varyingHLSL; - - if (info.glPointSize.enabled) - { - linkHLSL += " float gl_PointSize : " + info.glPointSize.str() + ";\n"; - } - - linkHLSL += "};\n"; - - return linkHLSL; -} - -void DynamicHLSL::storeBuiltinLinkedVaryings(const SemanticInfo &info, - std::vector<LinkedVarying> *linkedVaryings) const -{ - ASSERT(info.glPosition.enabled); - - linkedVaryings->push_back(LinkedVarying("gl_Position", GL_FLOAT_VEC4, 1, info.glPosition.semantic, - info.glPosition.index, 1)); - - if (info.glFragCoord.enabled) - { - linkedVaryings->push_back(LinkedVarying("gl_FragCoord", GL_FLOAT_VEC4, 1, info.glFragCoord.semantic, - info.glFragCoord.index, 1)); - } - - if (info.glPointSize.enabled) - { - linkedVaryings->push_back(LinkedVarying("gl_PointSize", GL_FLOAT, 1, "PSIZE", 0, 1)); - } -} - -void DynamicHLSL::storeUserLinkedVaryings(const ShaderD3D *vertexShader, - std::vector<LinkedVarying> *linkedVaryings) const -{ - const std::string &varyingSemantic = getVaryingSemantic(vertexShader->mUsesPointSize); - const std::vector<PackedVarying> &varyings = vertexShader->getVaryings(); - - for (unsigned int varyingIndex = 0; varyingIndex < varyings.size(); varyingIndex++) - { - const PackedVarying &varying = varyings[varyingIndex]; - - if (varying.registerAssigned()) - { - ASSERT(!varying.isBuiltIn()); - GLenum transposedType = TransposeMatrixType(varying.type); - int variableRows = (varying.isStruct() ? 1 : VariableRowCount(transposedType)); - - linkedVaryings->push_back(LinkedVarying(varying.name, varying.type, varying.elementCount(), - varyingSemantic, varying.registerIndex, - variableRows * varying.elementCount())); - } - } -} - -bool DynamicHLSL::generateShaderLinkHLSL(const gl::Data &data, InfoLog &infoLog, int registers, - const VaryingPacking packing, - std::string &pixelHLSL, std::string &vertexHLSL, - ShaderD3D *fragmentShader, ShaderD3D *vertexShader, - const std::vector<std::string> &transformFeedbackVaryings, - std::vector<LinkedVarying> *linkedVaryings, - std::map<int, VariableLocation> *programOutputVars, - std::vector<PixelShaderOutputVariable> *outPixelShaderKey, - bool *outUsesFragDepth) const -{ - if (pixelHLSL.empty() || vertexHLSL.empty()) - { - return false; - } - - bool usesMRT = fragmentShader->mUsesMultipleRenderTargets; - bool usesFragColor = fragmentShader->mUsesFragColor; - bool usesFragData = fragmentShader->mUsesFragData; - bool usesFragCoord = fragmentShader->mUsesFragCoord; - bool usesPointCoord = fragmentShader->mUsesPointCoord; - bool usesPointSize = vertexShader->mUsesPointSize; - - if (usesFragColor && usesFragData) - { - infoLog.append("Cannot use both gl_FragColor and gl_FragData in the same fragment shader."); - return false; - } - - // Write the HLSL input/output declarations - const int shaderModel = mRenderer->getMajorShaderModel(); - const int registersNeeded = registers + (usesFragCoord ? 1 : 0) + (usesPointCoord ? 1 : 0); - - // Two cases when writing to gl_FragColor and using ESSL 1.0: - // - with a 3.0 context, the output color is copied to channel 0 - // - with a 2.0 context, the output color is broadcast to all channels - const bool broadcast = (fragmentShader->mUsesFragColor && data.clientVersion < 3); - const unsigned int numRenderTargets = (broadcast || usesMRT ? data.caps->maxDrawBuffers : 1); - - int shaderVersion = vertexShader->getShaderVersion(); - - if (static_cast<GLuint>(registersNeeded) > data.caps->maxVaryingVectors) - { - infoLog.append("No varying registers left to support gl_FragCoord/gl_PointCoord"); - return false; - } - - const std::string &varyingHLSL = generateVaryingHLSL(vertexShader); - const SemanticInfo &vertexSemantics = getSemanticInfo(registers, usesFragCoord, - false, usesPointSize, false); - - storeUserLinkedVaryings(vertexShader, linkedVaryings); - storeBuiltinLinkedVaryings(vertexSemantics, linkedVaryings); - - // Add stub string to be replaced when shader is dynamically defined by its layout - vertexHLSL += "\n" + VERTEX_ATTRIBUTE_STUB_STRING + "\n" - "struct VS_OUTPUT\n" + generateVaryingLinkHLSL(vertexSemantics, varyingHLSL) + "\n" - "VS_OUTPUT main(VS_INPUT input)\n" - "{\n" - " initAttributes(input);\n"; - - if (shaderModel >= 4) - { - vertexHLSL += "\n" - " gl_main();\n" - "\n" - " VS_OUTPUT output;\n" - " output.gl_Position = gl_Position;\n" - " output.dx_Position.x = gl_Position.x;\n" - " output.dx_Position.y = -gl_Position.y;\n" - " output.dx_Position.z = (gl_Position.z + gl_Position.w) * 0.5;\n" - " output.dx_Position.w = gl_Position.w;\n"; - } - else - { - vertexHLSL += "\n" - " gl_main();\n" - "\n" - " VS_OUTPUT output;\n" - " output.gl_Position = gl_Position;\n" - " output.dx_Position.x = gl_Position.x * dx_ViewAdjust.z + dx_ViewAdjust.x * gl_Position.w;\n" - " output.dx_Position.y = -(gl_Position.y * dx_ViewAdjust.w + dx_ViewAdjust.y * gl_Position.w);\n" - " output.dx_Position.z = (gl_Position.z + gl_Position.w) * 0.5;\n" - " output.dx_Position.w = gl_Position.w;\n"; - } - - if (usesPointSize && shaderModel >= 3) - { - vertexHLSL += " output.gl_PointSize = gl_PointSize;\n"; - } - - if (usesFragCoord) - { - vertexHLSL += " output.gl_FragCoord = gl_Position;\n"; - } - - const std::vector<PackedVarying> &vertexVaryings = vertexShader->getVaryings(); - for (unsigned int vertVaryingIndex = 0; vertVaryingIndex < vertexVaryings.size(); vertVaryingIndex++) - { - const PackedVarying &varying = vertexVaryings[vertVaryingIndex]; - if (varying.registerAssigned()) - { - for (unsigned int elementIndex = 0; elementIndex < varying.elementCount(); elementIndex++) - { - int variableRows = (varying.isStruct() ? 1 : VariableRowCount(TransposeMatrixType(varying.type))); - - for (int row = 0; row < variableRows; row++) - { - int r = varying.registerIndex + varying.columnIndex * data.caps->maxVaryingVectors + elementIndex * variableRows + row; - vertexHLSL += " output.v" + Str(r); - - vertexHLSL += " = _" + varying.name; - - if (varying.isArray()) - { - vertexHLSL += ArrayString(elementIndex); - } - - if (variableRows > 1) - { - vertexHLSL += ArrayString(row); - } - - vertexHLSL += ";\n"; - } - } - } - } - - vertexHLSL += "\n" - " return output;\n" - "}\n"; - - const SemanticInfo &pixelSemantics = getSemanticInfo(registers, usesFragCoord, usesPointCoord, - usesPointSize, true); - - pixelHLSL += "struct PS_INPUT\n" + generateVaryingLinkHLSL(pixelSemantics, varyingHLSL) + "\n"; - - if (shaderVersion < 300) - { - for (unsigned int renderTargetIndex = 0; renderTargetIndex < numRenderTargets; renderTargetIndex++) - { - PixelShaderOutputVariable outputKeyVariable; - outputKeyVariable.type = GL_FLOAT_VEC4; - outputKeyVariable.name = "gl_Color" + Str(renderTargetIndex); - outputKeyVariable.source = broadcast ? "gl_Color[0]" : "gl_Color[" + Str(renderTargetIndex) + "]"; - outputKeyVariable.outputIndex = renderTargetIndex; - - outPixelShaderKey->push_back(outputKeyVariable); - } - - *outUsesFragDepth = fragmentShader->mUsesFragDepth; - } - else - { - defineOutputVariables(fragmentShader, programOutputVars); - - const std::vector<sh::Attribute> &shaderOutputVars = fragmentShader->getActiveOutputVariables(); - for (auto locationIt = programOutputVars->begin(); locationIt != programOutputVars->end(); locationIt++) - { - const VariableLocation &outputLocation = locationIt->second; - const sh::ShaderVariable &outputVariable = shaderOutputVars[outputLocation.index]; - const std::string &variableName = "out_" + outputLocation.name; - const std::string &elementString = (outputLocation.element == GL_INVALID_INDEX ? "" : Str(outputLocation.element)); - - ASSERT(outputVariable.staticUse); - - PixelShaderOutputVariable outputKeyVariable; - outputKeyVariable.type = outputVariable.type; - outputKeyVariable.name = variableName + elementString; - outputKeyVariable.source = variableName + ArrayString(outputLocation.element); - outputKeyVariable.outputIndex = locationIt->first; - - outPixelShaderKey->push_back(outputKeyVariable); - } - - *outUsesFragDepth = false; - } - - pixelHLSL += PIXEL_OUTPUT_STUB_STRING + "\n"; - - if (fragmentShader->mUsesFrontFacing) - { - if (shaderModel >= 4) - { - pixelHLSL += "PS_OUTPUT main(PS_INPUT input, bool isFrontFace : SV_IsFrontFace)\n" - "{\n"; - } - else - { - pixelHLSL += "PS_OUTPUT main(PS_INPUT input, float vFace : VFACE)\n" - "{\n"; - } - } - else - { - pixelHLSL += "PS_OUTPUT main(PS_INPUT input)\n" - "{\n"; - } - - if (usesFragCoord) - { - pixelHLSL += " float rhw = 1.0 / input.gl_FragCoord.w;\n"; - - if (shaderModel >= 4) - { - pixelHLSL += " gl_FragCoord.x = input.dx_Position.x;\n" - " gl_FragCoord.y = input.dx_Position.y;\n"; - } - else if (shaderModel >= 3) - { - pixelHLSL += " gl_FragCoord.x = input.dx_Position.x + 0.5;\n" - " gl_FragCoord.y = input.dx_Position.y + 0.5;\n"; - } - else - { - // dx_ViewCoords contains the viewport width/2, height/2, center.x and center.y. See Renderer::setViewport() - pixelHLSL += " gl_FragCoord.x = (input.gl_FragCoord.x * rhw) * dx_ViewCoords.x + dx_ViewCoords.z;\n" - " gl_FragCoord.y = (input.gl_FragCoord.y * rhw) * dx_ViewCoords.y + dx_ViewCoords.w;\n"; - } - - pixelHLSL += " gl_FragCoord.z = (input.gl_FragCoord.z * rhw) * dx_DepthFront.x + dx_DepthFront.y;\n" - " gl_FragCoord.w = rhw;\n"; - } - - if (usesPointCoord && shaderModel >= 3) - { - pixelHLSL += " gl_PointCoord.x = input.gl_PointCoord.x;\n"; - pixelHLSL += " gl_PointCoord.y = 1.0 - input.gl_PointCoord.y;\n"; - } - - if (fragmentShader->mUsesFrontFacing) - { - if (shaderModel <= 3) - { - pixelHLSL += " gl_FrontFacing = (vFace * dx_DepthFront.z >= 0.0);\n"; - } - else - { - pixelHLSL += " gl_FrontFacing = isFrontFace;\n"; - } - } - - const std::vector<PackedVarying> &fragmentVaryings = fragmentShader->getVaryings(); - for (unsigned int varyingIndex = 0; varyingIndex < fragmentVaryings.size(); varyingIndex++) - { - const PackedVarying &varying = fragmentVaryings[varyingIndex]; - if (varying.registerAssigned()) - { - ASSERT(!varying.isBuiltIn()); - for (unsigned int elementIndex = 0; elementIndex < varying.elementCount(); elementIndex++) - { - GLenum transposedType = TransposeMatrixType(varying.type); - int variableRows = (varying.isStruct() ? 1 : VariableRowCount(transposedType)); - for (int row = 0; row < variableRows; row++) - { - std::string n = Str(varying.registerIndex + varying.columnIndex * data.caps->maxVaryingVectors + elementIndex * variableRows + row); - pixelHLSL += " _" + varying.name; - - if (varying.isArray()) - { - pixelHLSL += ArrayString(elementIndex); - } - - if (variableRows > 1) - { - pixelHLSL += ArrayString(row); - } - - if (varying.isStruct()) - { - pixelHLSL += " = input.v" + n + ";\n"; break; - } - else - { - switch (VariableColumnCount(transposedType)) - { - case 1: pixelHLSL += " = input.v" + n + ".x;\n"; break; - case 2: pixelHLSL += " = input.v" + n + ".xy;\n"; break; - case 3: pixelHLSL += " = input.v" + n + ".xyz;\n"; break; - case 4: pixelHLSL += " = input.v" + n + ";\n"; break; - default: UNREACHABLE(); - } - } - } - } - } - else - { - ASSERT(varying.isBuiltIn() || !varying.staticUse); - } - } - - pixelHLSL += "\n" - " gl_main();\n" - "\n" - " return generateOutput();\n" - "}\n"; - - return true; -} - -void DynamicHLSL::defineOutputVariables(ShaderD3D *fragmentShader, std::map<int, VariableLocation> *programOutputVars) const -{ - const std::vector<sh::Attribute> &shaderOutputVars = fragmentShader->getActiveOutputVariables(); - - for (unsigned int outputVariableIndex = 0; outputVariableIndex < shaderOutputVars.size(); outputVariableIndex++) - { - const sh::Attribute &outputVariable = shaderOutputVars[outputVariableIndex]; - const int baseLocation = outputVariable.location == -1 ? 0 : outputVariable.location; - - ASSERT(outputVariable.staticUse); - - if (outputVariable.arraySize > 0) - { - for (unsigned int elementIndex = 0; elementIndex < outputVariable.arraySize; elementIndex++) - { - const int location = baseLocation + elementIndex; - ASSERT(programOutputVars->count(location) == 0); - (*programOutputVars)[location] = VariableLocation(outputVariable.name, elementIndex, outputVariableIndex); - } - } - else - { - ASSERT(programOutputVars->count(baseLocation) == 0); - (*programOutputVars)[baseLocation] = VariableLocation(outputVariable.name, GL_INVALID_INDEX, outputVariableIndex); - } - } -} - -std::string DynamicHLSL::generateGeometryShaderHLSL(int registers, ShaderD3D *fragmentShader, ShaderD3D *vertexShader) const -{ - // for now we only handle point sprite emulation - ASSERT(vertexShader->mUsesPointSize && mRenderer->getMajorShaderModel() >= 4); - return generatePointSpriteHLSL(registers, fragmentShader, vertexShader); -} - -std::string DynamicHLSL::generatePointSpriteHLSL(int registers, ShaderD3D *fragmentShader, ShaderD3D *vertexShader) const -{ - ASSERT(registers >= 0); - ASSERT(vertexShader->mUsesPointSize); - ASSERT(mRenderer->getMajorShaderModel() >= 4); - - std::string geomHLSL; - - const SemanticInfo &inSemantics = getSemanticInfo(registers, fragmentShader->mUsesFragCoord, - false, true, false); - const SemanticInfo &outSemantics = getSemanticInfo(registers, fragmentShader->mUsesFragCoord, - fragmentShader->mUsesPointCoord, true, false); - - std::string varyingHLSL = generateVaryingHLSL(vertexShader); - std::string inLinkHLSL = generateVaryingLinkHLSL(inSemantics, varyingHLSL); - std::string outLinkHLSL = generateVaryingLinkHLSL(outSemantics, varyingHLSL); - - // TODO(geofflang): use context's caps - geomHLSL += "uniform float4 dx_ViewCoords : register(c1);\n" - "\n" - "struct GS_INPUT\n" + inLinkHLSL + "\n" + - "struct GS_OUTPUT\n" + outLinkHLSL + "\n" + - "\n" - "static float2 pointSpriteCorners[] = \n" - "{\n" - " float2( 0.5f, -0.5f),\n" - " float2( 0.5f, 0.5f),\n" - " float2(-0.5f, -0.5f),\n" - " float2(-0.5f, 0.5f)\n" - "};\n" - "\n" - "static float2 pointSpriteTexcoords[] = \n" - "{\n" - " float2(1.0f, 1.0f),\n" - " float2(1.0f, 0.0f),\n" - " float2(0.0f, 1.0f),\n" - " float2(0.0f, 0.0f)\n" - "};\n" - "\n" - "static float minPointSize = " + Str(mRenderer->getRendererCaps().minAliasedPointSize) + ".0f;\n" - "static float maxPointSize = " + Str(mRenderer->getRendererCaps().maxAliasedPointSize) + ".0f;\n" - "\n" - "[maxvertexcount(4)]\n" - "void main(point GS_INPUT input[1], inout TriangleStream<GS_OUTPUT> outStream)\n" - "{\n" - " GS_OUTPUT output = (GS_OUTPUT)0;\n" - " output.gl_Position = input[0].gl_Position;\n" - " output.gl_PointSize = input[0].gl_PointSize;\n"; - - for (int r = 0; r < registers; r++) - { - geomHLSL += " output.v" + Str(r) + " = input[0].v" + Str(r) + ";\n"; - } - - if (fragmentShader->mUsesFragCoord) - { - geomHLSL += " output.gl_FragCoord = input[0].gl_FragCoord;\n"; - } - - geomHLSL += " \n" - " float gl_PointSize = clamp(input[0].gl_PointSize, minPointSize, maxPointSize);\n" - " float4 dx_Position = input[0].dx_Position;\n" - " float2 viewportScale = float2(1.0f / dx_ViewCoords.x, 1.0f / dx_ViewCoords.y) * dx_Position.w;\n"; - - for (int corner = 0; corner < 4; corner++) - { - geomHLSL += " \n" - " output.dx_Position = dx_Position + float4(pointSpriteCorners[" + Str(corner) + "] * viewportScale * gl_PointSize, 0.0f, 0.0f);\n"; - - if (fragmentShader->mUsesPointCoord) - { - geomHLSL += " output.gl_PointCoord = pointSpriteTexcoords[" + Str(corner) + "];\n"; - } - - geomHLSL += " outStream.Append(output);\n"; - } - - geomHLSL += " \n" - " outStream.RestartStrip();\n" - "}\n"; - - return geomHLSL; -} - -// This method needs to match OutputHLSL::decorate -std::string DynamicHLSL::decorateVariable(const std::string &name) -{ - if (name.compare(0, 3, "gl_") != 0) - { - return "_" + name; - } - - return name; -} - -std::string DynamicHLSL::generateAttributeConversionHLSL(const VertexFormat &vertexFormat, const sh::ShaderVariable &shaderAttrib) const -{ - std::string attribString = "input." + decorateVariable(shaderAttrib.name); - - // Matrix - if (IsMatrixType(shaderAttrib.type)) - { - return "transpose(" + attribString + ")"; - } - - GLenum shaderComponentType = VariableComponentType(shaderAttrib.type); - int shaderComponentCount = VariableComponentCount(shaderAttrib.type); - - // Perform integer to float conversion (if necessary) - bool requiresTypeConversion = (shaderComponentType == GL_FLOAT && vertexFormat.mType != GL_FLOAT); - - if (requiresTypeConversion) - { - // TODO: normalization for 32-bit integer formats - ASSERT(!vertexFormat.mNormalized && !vertexFormat.mPureInteger); - return "float" + Str(shaderComponentCount) + "(" + attribString + ")"; - } - - // No conversion necessary - return attribString; -} - -void DynamicHLSL::getInputLayoutSignature(const VertexFormat inputLayout[], GLenum signature[]) const -{ - for (size_t inputIndex = 0; inputIndex < MAX_VERTEX_ATTRIBS; inputIndex++) - { - const VertexFormat &vertexFormat = inputLayout[inputIndex]; - - if (vertexFormat.mType == GL_NONE) - { - signature[inputIndex] = GL_NONE; - } - else - { - bool gpuConverted = ((mRenderer->getVertexConversionType(vertexFormat) & VERTEX_CONVERT_GPU) != 0); - signature[inputIndex] = (gpuConverted ? GL_TRUE : GL_FALSE); - } - } -} - -} |