TorqueGameEngines/Torque3D
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Merge pull request #1477 from marauder2k9-torque/development

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Fix UBO OpenGL
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Brian Roberts 2025-05-21 10:12:11 -05:00 • committed by GitHub
commit e557f5962b
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GPG key ID: B5690EEEBB952194
2 changed files with 10 additions and 2 deletions
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4
Engine/source/gfx/gl/gfxGLDevice.cpp
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@ -323,9 +323,13 @@ GLuint GFXGLDevice::getDeviceBuffer(const GFXShaderConstDesc desc)
GLuint uboHandle;
glGenBuffers(1, &uboHandle);
glBindBuffer(GL_UNIFORM_BUFFER, uboHandle);
glBufferData(GL_UNIFORM_BUFFER, desc.size, NULL, GL_DYNAMIC_DRAW); // allocate once
mDeviceBufferMap[name] = uboHandle;
glBindBuffer(GL_UNIFORM_BUFFER, 0);
return uboHandle;
}

8
Engine/source/gfx/gl/gfxGLShader.cpp
View file

@ -713,7 +713,8 @@ void GFXGLShader::initConstantDescs()
// fill out ubo desc.
desc.name = String((char*)uboName);
desc.bindPoint = uboBinding;
desc.bindPoint = uboBinding == 0 ? glGetUniformBlockIndex(mProgram, uboName) : uboBinding;
glUniformBlockBinding(mProgram, glGetUniformBlockIndex(mProgram, uboName), desc.bindPoint);
desc.size = uboSize;
desc.constType = GFXSCT_ConstBuffer;
desc.samplerReg = -1;
@ -888,7 +889,8 @@ void GFXGLShader::initHandles()
// Index element 1 of the name to skip the '$' we inserted earier.
GLint loc = glGetUniformLocation(mProgram, &desc.name.c_str()[1]);
AssertFatal(loc != -1, avar("uniform %s in shader file Vert: (%s) Frag: (%s)", &desc.name.c_str()[1], mVertexFile.getFullPath().c_str(), mPixelFile.getFullPath().c_str()));
// The location for uniforms inside a UBO come back as -1.
// AssertFatal(loc != -1, avar("uniform %s in shader file Vert: (%s) Frag: (%s)", &desc.name.c_str()[1], mVertexFile.getFullPath().c_str(), mPixelFile.getFullPath().c_str()));
HandleMap::Iterator handle = mHandles.find(desc.name);
S32 sampler = -1;
@ -907,6 +909,7 @@ void GFXGLShader::initHandles()
{
if (desc.bindPoint == -1)
{
AssertFatal(loc != -1, avar("uniform %s in shader file Vert: (%s) Frag: (%s)", &desc.name.c_str()[1], mVertexFile.getFullPath().c_str(), mPixelFile.getFullPath().c_str()));
desc.bindPoint = loc;
mHandles[desc.name]->mUBOUniform = false;
}
@ -921,6 +924,7 @@ void GFXGLShader::initHandles()
{
if (desc.bindPoint == -1)
{
AssertFatal(loc != -1, avar("uniform %s in shader file Vert: (%s) Frag: (%s)", &desc.name.c_str()[1], mVertexFile.getFullPath().c_str(), mPixelFile.getFullPath().c_str()));
desc.bindPoint = loc;
mHandles[desc.name] = new GFXGLShaderConstHandle(this, desc);
mHandles[desc.name]->mUBOUniform = false;