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d3d11: Fix float3 constant alignment (128bit)

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This commit is contained in:
jp9000 2014-05-02 13:04:26 -07:00
parent 824ff961d0
commit 4a370acf22
1 changed files with 7 additions and 1 deletions
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8
libobs-d3d11/d3d11-shader.cpp
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@ -108,7 +108,7 @@ void gs_shader::BuildConstantBuffer()
case SHADER_PARAM_INT:
case SHADER_PARAM_FLOAT: constantSize += sizeof(float); break;
case SHADER_PARAM_VEC2: constantSize += sizeof(vec2); break;
case SHADER_PARAM_VEC3: constantSize += sizeof(float)*3; break;
case SHADER_PARAM_VEC3: constantSize += sizeof(vec3); break;
case SHADER_PARAM_VEC4: constantSize += sizeof(vec4); break;
case SHADER_PARAM_MATRIX4X4:
constantSize += sizeof(float)*4*4;
@ -167,6 +167,12 @@ inline void gs_shader::UpdateParam(vector<uint8_t> &constData,
param.curValue.begin(),
param.curValue.end());
/* alignment required for float3 constants */
if (param.type == SHADER_PARAM_VEC3) {
uint8_t zero = 0;
constData.insert(constData.end(), sizeof(float), zero);
}
if (param.changed) {
upload = true;
param.changed = false;