/*
- * Copyright (c) 2021 Samsung Electronics Co., Ltd.
+ * Copyright (c) 2023 Samsung Electronics Co., Ltd.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
namespace
{
+#if defined(DEBUG_ENABLED)
+Debug::Filter* gGraphicsReflectionLogFilter = Debug::Filter::New(Debug::NoLogging, false, "LOG_GRAPHICS_REFLECTION");
+#endif
+
+struct StringSize
+{
+ const char* const mString;
+ const uint32_t mLength;
+
+ template<uint32_t kLength>
+ constexpr StringSize(const char (&string)[kLength])
+ : mString(string),
+ mLength(kLength - 1) // remove terminating null; N.B. there should be no other null.
+ {
+ }
+
+ operator const char*() const
+ {
+ return mString;
+ }
+};
+
+bool operator==(const StringSize& lhs, const char* rhs)
+{
+ return strncmp(lhs.mString, rhs, lhs.mLength) == 0;
+}
+
+const char* const DELIMITERS = " \t\n";
+const char* const DELIMITERS_INC_INDEX = " \t\n[]";
+constexpr StringSize UNIFORM{"uniform"};
+constexpr StringSize SAMPLER_PREFIX{"sampler"};
+constexpr StringSize SAMPLER_TYPES[] = {"2D", "Cube", "ExternalOES"};
+constexpr auto END_SAMPLER_TYPES = SAMPLER_TYPES + std::extent<decltype(SAMPLER_TYPES)>::value;
+
Dali::Graphics::VertexInputAttributeFormat GetVertexAttributeTypeFormat(GLenum type)
{
switch(type)
return a.location < b.location;
}
-struct StringSize
+std::string GetShaderSource(Dali::Graphics::ShaderState shaderState)
{
- const char* const mString;
- const uint32_t mLength;
+ std::vector<uint8_t> data;
+ auto* shader = static_cast<const Dali::Graphics::GLES::Shader*>(shaderState.shader);
+ auto& shaderCreateInfo = shader->GetCreateInfo();
+ data.resize(shaderCreateInfo.sourceSize + 1);
+ std::memcpy(&data[0], shaderCreateInfo.sourceData, shaderCreateInfo.sourceSize);
+ data[shaderCreateInfo.sourceSize] = 0;
- template<uint32_t kLength>
- constexpr StringSize(const char (&string)[kLength])
- : mString(string),
- mLength(kLength - 1) // remove terminating null; N.B. there should be no other null.
- {
- }
+ return std::string(reinterpret_cast<char*>(&data[0]));
+}
- operator const char*() const
+void ParseShaderSamplers(std::string shaderSource, std::vector<Dali::Graphics::UniformInfo>& uniformOpaques, int& samplerPosition, std::vector<int>& samplerPositions)
+{
+ if(!shaderSource.empty())
{
- return mString;
- }
-};
+ char* shaderStr = strdup(shaderSource.c_str());
+ char* uniform = strstr(shaderStr, UNIFORM);
-bool operator==(const StringSize& lhs, const char* rhs)
-{
- return strncmp(lhs.mString, rhs, lhs.mLength) == 0;
-}
+ while(uniform)
+ {
+ // From "uniform" to ";", not ignoring comments.
+ char* outerToken = strtok_r(uniform + UNIFORM.mLength, ";", &uniform);
-const char* const DELIMITERS = " \t\n";
-constexpr StringSize UNIFORM{"uniform"};
-constexpr StringSize SAMPLER_PREFIX{"sampler"};
-constexpr StringSize SAMPLER_TYPES[] = {"2D", "Cube", "ExternalOES"};
-constexpr auto END_SAMPLER_TYPES = SAMPLER_TYPES + std::extent<decltype(SAMPLER_TYPES)>::value;
+ char* nextPtr = nullptr;
+ char* token = strtok_r(outerToken, DELIMITERS, &nextPtr);
+ while(token)
+ {
+ // Ignore any token up to "sampler"
+ if(SAMPLER_PREFIX == token)
+ {
+ token += SAMPLER_PREFIX.mLength;
+ if(std::find(SAMPLER_TYPES, END_SAMPLER_TYPES, token) != END_SAMPLER_TYPES)
+ {
+ bool found(false);
+ // We now are at next token after "samplerxxx" in outerToken token "stream"
+
+ // Does it use array notation?
+ int arraySize = 0; // 0 = No array
+ auto iter = std::string(token).find("[", 0);
+ if(iter != std::string::npos)
+ {
+ // Get Array size from source. (Warning, may be higher than GetActiveUniform suggests)
+ iter++;
+ arraySize = int(strtol(token + iter, nullptr, 0));
+ }
+
+ token = strtok_r(nullptr, DELIMITERS_INC_INDEX, &nextPtr); // " ", "\t", "\n", "[", "]"
+
+ for(uint32_t i = 0; i < static_cast<uint32_t>(uniformOpaques.size()); ++i)
+ {
+ if(samplerPositions[i] == -1 &&
+ strncmp(token, uniformOpaques[i].name.c_str(), uniformOpaques[i].name.size()) == 0)
+ {
+ // We have found a matching name.
+ samplerPositions[i] = uniformOpaques[i].offset = samplerPosition;
+ if(arraySize == 0)
+ {
+ ++samplerPosition;
+ }
+ else
+ {
+ samplerPosition += arraySize;
+ }
+ found = true;
+ break;
+ }
+ }
+
+ if(!found)
+ {
+ DALI_LOG_INFO(gGraphicsReflectionLogFilter, Debug::General, "Sampler uniform %s declared but not used in the shader\n", token);
+ }
+ break;
+ }
+ }
+
+ token = strtok_r(nullptr, DELIMITERS, &nextPtr);
+ }
+
+ uniform = strstr(uniform, UNIFORM);
+ }
+ free(shaderStr);
+ }
+}
} // anonymous namespace
return;
}
+ DALI_LOG_INFO(gGraphicsReflectionLogFilter, Debug::General, "Build vertex attribute reflection for glProgram : %u\n", glProgram);
+
gl->GetProgramiv(glProgram, GL_ACTIVE_ATTRIBUTE_MAX_LENGTH, &maxLength);
gl->GetProgramiv(glProgram, GL_ACTIVE_ATTRIBUTES, &nAttribs);
mVertexInputAttributes.clear();
mVertexInputAttributes.resize(nAttribs);
+ int maxLocationValue = nAttribs - 1;
+
name = new GLchar[maxLength];
for(int i = 0; i < nAttribs; i++)
{
if(location >= 0)
{
+ if(maxLocationValue < location)
+ {
+ maxLocationValue = location;
+ mVertexInputAttributes.resize(maxLocationValue + 1u);
+ }
+
AttributeInfo attributeInfo;
attributeInfo.location = location;
attributeInfo.name = name;
attributeInfo.format = GetVertexAttributeTypeFormat(type);
- mVertexInputAttributes.insert(mVertexInputAttributes.begin() + location, attributeInfo);
+ mVertexInputAttributes[location] = std::move(attributeInfo);
}
}
+
delete[] name;
}
return;
}
+ DALI_LOG_INFO(gGraphicsReflectionLogFilter, Debug::General, "Build uniform reflection for glProgram : %u\n", glProgram);
+
gl->GetProgramiv(glProgram, GL_ACTIVE_UNIFORM_MAX_LENGTH, &maxLen);
gl->GetProgramiv(glProgram, GL_ACTIVE_UNIFORMS, &numUniforms);
GLenum type;
int written;
gl->GetActiveUniform(glProgram, i, maxLen, &written, &elementCount, &type, name);
+
int location = gl->GetUniformLocation(glProgram, name);
Dali::Graphics::UniformInfo uniformInfo;
uniformInfo.name = name;
if(elementCount > 1)
{
+ // If we have an active uniform that refers to an array, only the first element
+ // is present in this list, and is referenced as "uniform[0]", but the element
+ // count is non-zero to indicate how many uniforms there are in the array.
+
+ // Strip off the array, but store the element count
auto iter = std::string(uniformInfo.name).find("[", 0);
if(iter != std::string::npos)
{
- uniformInfo.name = std::string(name).substr(0, iter);
+ uniformInfo.name = std::string(name).substr(0, iter);
+ uniformInfo.elementCount = elementCount;
}
}
-
uniformInfo.uniformClass = IsSampler(type) ? Dali::Graphics::UniformClass::COMBINED_IMAGE_SAMPLER : Dali::Graphics::UniformClass::UNIFORM;
- uniformInfo.location = location; //IsSampler(type) ? 0 : location;
- uniformInfo.binding = 0; // IsSampler(type) ? location : 0;
+ uniformInfo.location = location; // GL doesn't guarantee that consecutive array elements have sequential locations. But, we only store location of first element.
+ uniformInfo.binding = 0;
uniformInfo.bufferIndex = 0;
uniformInfo.offset = 0;
return;
}
+ DALI_LOG_INFO(gGraphicsReflectionLogFilter, Debug::General, "Build uniform block reflection for glProgram : %u\n", glProgram);
+
gl->GetProgramiv(glProgram, GL_ACTIVE_UNIFORM_BLOCKS, &numUniformBlocks);
mUniformBlocks.clear();
uint32_t Reflection::GetVertexAttributeLocation(const std::string& name) const
{
+ DALI_LOG_INFO(gGraphicsReflectionLogFilter, Debug::Verbose, "name : %s\n", name.c_str());
for(auto&& attr : mVertexInputAttributes)
{
if(attr.name == name)
Dali::Graphics::VertexInputAttributeFormat Reflection::GetVertexAttributeFormat(uint32_t location) const
{
+ DALI_LOG_INFO(gGraphicsReflectionLogFilter, Debug::Verbose, "location : %u\n", location);
if(location >= mVertexInputAttributes.size())
{
return Dali::Graphics::VertexInputAttributeFormat::UNDEFINED;
std::string Reflection::GetVertexAttributeName(uint32_t location) const
{
+ DALI_LOG_INFO(gGraphicsReflectionLogFilter, Debug::Verbose, "location : %u\n", location);
if(location >= mVertexInputAttributes.size())
{
return std::string();
auto& programCreateInfo = mProgram.GetCreateInfo();
std::vector<uint8_t> data;
+ std::string vertShader;
std::string fragShader;
for(auto& shaderState : *programCreateInfo.shaderState)
{
- if(shaderState.pipelineStage == PipelineStage::FRAGMENT_SHADER)
+ if(shaderState.pipelineStage == PipelineStage::VERTEX_SHADER)
{
- auto* shader = static_cast<const GLES::Shader*>(shaderState.shader);
- auto& shaderCreateInfo = shader->GetCreateInfo();
- data.resize(shaderCreateInfo.sourceSize + 1);
- std::memcpy(&data[0], shaderCreateInfo.sourceData, shaderCreateInfo.sourceSize);
- data[shaderCreateInfo.sourceSize] = 0;
- fragShader = std::string(reinterpret_cast<char*>(&data[0]));
- break;
+ vertShader = GetShaderSource(shaderState);
}
- }
-
- if(!fragShader.empty())
- {
- char* shaderStr = strdup(fragShader.c_str());
- char* uniform = strstr(shaderStr, UNIFORM);
- int samplerPosition = 0;
- std::vector<int> samplerPositions(mUniformOpaques.size(), -1);
-
- while(uniform)
+ else if(shaderState.pipelineStage == PipelineStage::FRAGMENT_SHADER)
{
- char* outerToken = strtok_r(uniform + UNIFORM.mLength, ";", &uniform);
-
- char* nextPtr = nullptr;
- char* token = strtok_r(outerToken, DELIMITERS, &nextPtr);
- while(token)
- {
- if(SAMPLER_PREFIX == token)
- {
- token += SAMPLER_PREFIX.mLength;
- if(std::find(SAMPLER_TYPES, END_SAMPLER_TYPES, token) != END_SAMPLER_TYPES)
- {
- bool found(false);
- token = strtok_r(nullptr, DELIMITERS, &nextPtr);
-
- for(uint32_t i = 0; i < static_cast<uint32_t>(mUniformOpaques.size()); ++i)
- {
- if(samplerPositions[i] == -1 &&
- strncmp(token, mUniformOpaques[i].name.c_str(), mUniformOpaques[i].name.size()) == 0)
- {
- samplerPositions[i] = mUniformOpaques[i].offset = samplerPosition++;
- found = true;
- break;
- }
- }
+ fragShader = GetShaderSource(shaderState);
+ }
+ }
- if(!found)
- {
- DALI_LOG_ERROR("Sampler uniform %s declared but not used in the shader\n", token);
- }
- break;
- }
- }
+ int samplerPosition = 0;
+ std::vector<int> samplerPositions(mUniformOpaques.size(), -1);
- token = strtok_r(nullptr, DELIMITERS, &nextPtr);
- }
+ ParseShaderSamplers(vertShader, mUniformOpaques, samplerPosition, samplerPositions);
+ ParseShaderSamplers(fragShader, mUniformOpaques, samplerPosition, samplerPositions);
- uniform = strstr(uniform, UNIFORM);
- }
- free(shaderStr);
- }
std::sort(mUniformOpaques.begin(), mUniformOpaques.end(), [](const UniformInfo& a, const UniformInfo& b) { return a.offset < b.offset; });
}