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[Feature] float3 etc in Metal has both sizeof and alignment same as float4, need convert to correct laytout

This commit is contained in:
coulsonwang 2019-03-12 11:10:57 +08:00
parent 7c6a01affb
commit c17d361e50
1 changed files with 58 additions and 8 deletions
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66
cocos/renderer/backend/ProgramState.cpp
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@ -8,9 +8,29 @@ CC_BACKEND_BEGIN
namespace {
#define MAT3_SIZE 36
#define MAT4_SIZE 64
#define MAT4X3_SIZE 48
#define VEC3_SIZE 12
#define VEC4_SIZE 16
#define BVEC3_SIZE 3
#define BVEC4_SIZE 4
#define IVEC3_SIZE 12
#define IVEC4_SIZE 16
void convertbVec3TobVec4(const bool* src, bool* dst)
{
dst[0] = src[0];
dst[1] = src[1];
dst[2] = src[2];
dst[3] = false;
}
void convertiVec3ToiVec4(const int* src, int* dst)
{
dst[0] = src[0];
dst[1] = src[1];
dst[2] = src[2];
dst[3] = 0;
}
void convertVec3ToVec4(const float* src, float* dst)
{
@ -20,7 +40,7 @@ namespace {
dst[3] = 0.0f;
}
void convertMat3ToMat3x4(const float* src, float* dst)
void convertMat3ToMat4x3(const float* src, float* dst)
{
dst[3] = dst[7] = dst[11] = 0.0f;
dst[0] = src[0]; dst[1] = src[1]; dst[2] = src[2];
@ -229,7 +249,8 @@ void ProgramState::convertUniformData(const backend::UniformInfo& uniformInfo, c
auto basicType = static_cast<BasicType>(uniformInfo.type);
char* convertedData = new char[uniformInfo.bufferSize];
memset(convertedData, 0, uniformInfo.bufferSize);
switch (basicType) {
switch (basicType)
{
case BasicType::FLOAT:
{
for (int i=0; i<uniformInfo.count; i++)
@ -241,7 +262,7 @@ void ProgramState::convertUniformData(const backend::UniformInfo& uniformInfo, c
if(offset >= srcSize)
break;
convertMat3ToMat3x4((float*)srcData + offset, (float*)convertedData + i * MAT4_SIZE);
convertMat3ToMat4x3((float*)srcData + offset, (float*)convertedData + i * MAT4X3_SIZE);
}
else
{
@ -250,16 +271,41 @@ void ProgramState::convertUniformData(const backend::UniformInfo& uniformInfo, c
break;
convertVec3ToVec4((float*)srcData +offset, (float*)convertedData + i * VEC4_SIZE);
}
}
uniformData.assign(convertedData, convertedData + uniformInfo.bufferSize);
break;
}
case BasicType::BOOL:
{
for (int i=0; i<uniformInfo.count; i++)
{
int offset = 0;
offset = i*BVEC3_SIZE;
if(offset >= srcSize)
break;
convertbVec3TobVec4((bool*)srcData + offset, (bool*)convertedData + i * BVEC4_SIZE);
}
break;
}
case BasicType::INT:
{
for (int i=0; i<uniformInfo.count; i++)
{
int offset = 0;
offset = i*IVEC3_SIZE;
if(offset >= srcSize)
break;
convertiVec3ToiVec4((int*)srcData + offset, (int*)convertedData + i * IVEC4_SIZE);
}
break;
}
default:
CCLOGINFO("Not yet implemented...");
CC_ASSERT(false);
break;
}
uniformData.assign(convertedData, convertedData + uniformInfo.bufferSize);
CC_SAFE_DELETE_ARRAY(convertedData);
}
@ -267,6 +313,8 @@ void ProgramState::setVertexUniform(int location, const void* data, uint32_t siz
{
if(location < 0)
return;
//float3 etc in Metal has both sizeof and alignment same as float4, need convert to correct laytout
#ifdef CC_USE_METAL
auto uniformInfo = _vertexUniformInfos[location].uniformInfo;
if(uniformInfo.needConvert)
@ -282,6 +330,8 @@ void ProgramState::setFragmentUniform(int location, const void* data, uint32_t s
{
if(location < 0)
return;
//float3 etc in Metal has both sizeof and alignment same as float4, need convert to correct laytout
#ifdef CC_USE_METAL
auto uniformInfo = _fragmentUniformInfos[location].uniformInfo;
if(uniformInfo.needConvert)