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OpenGLRenderer: Implement TextureSampler (and texture units)

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This commit is contained in:
Lynix
2020-04-26 16:29:31 +02:00
parent cbd81e3abf
commit e9f0b01e02
13 changed files with 244 additions and 66 deletions
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58
include/Nazara/OpenGLRenderer/Utils.inl
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@@ -10,6 +10,64 @@
namespace Nz
{
GLenum ToOpenGL(SamplerFilter filter)
{
switch (filter)
{
case SamplerFilter::SamplerFilter_Linear: return GL_LINEAR;
case SamplerFilter::SamplerFilter_Nearest: return GL_NEAREST;
}
NazaraError("Unhandled SamplerFilter 0x" + String::Number(UnderlyingCast(filter), 16));
return {};
}
GLenum ToOpenGL(SamplerFilter minFilter, SamplerMipmapMode mipmapFilter)
{
switch (minFilter)
{
case SamplerFilter::SamplerFilter_Linear:
{
switch (mipmapFilter)
{
case SamplerMipmapMode_Linear: return GL_LINEAR_MIPMAP_LINEAR;
case SamplerMipmapMode_Nearest: return GL_LINEAR_MIPMAP_NEAREST;
}
NazaraError("Unhandled SamplerFilter 0x" + String::Number(UnderlyingCast(mipmapFilter), 16));
return {};
}
case SamplerFilter::SamplerFilter_Nearest:
{
switch (mipmapFilter)
{
case SamplerMipmapMode_Linear: return GL_NEAREST_MIPMAP_LINEAR;
case SamplerMipmapMode_Nearest: return GL_NEAREST_MIPMAP_NEAREST;
}
NazaraError("Unhandled SamplerFilter 0x" + String::Number(UnderlyingCast(mipmapFilter), 16));
return {};
}
}
NazaraError("Unhandled SamplerFilter 0x" + String::Number(UnderlyingCast(minFilter), 16));
return {};
}
GLenum ToOpenGL(SamplerWrap wrapMode)
{
switch (wrapMode)
{
case SamplerWrap::SamplerWrap_Clamp: return GL_CLAMP_TO_EDGE;
case SamplerWrap::SamplerWrap_MirroredRepeat: return GL_MIRRORED_REPEAT;
case SamplerWrap::SamplerWrap_Repeat: return GL_REPEAT;
}
NazaraError("Unhandled SamplerWrap 0x" + String::Number(UnderlyingCast(wrapMode), 16));
return {};
}
GLenum ToOpenGL(ShaderStageType stageType)
{
switch (stageType)