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[Feat] (RenderState): implement glMinSampleShading and the GL_SAMPLE_SHADING enable on both backends

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swung0x48
2026-08-27 03:35:55 -04:00
parent 07a0408a28
commit acf86d1fb6
16 changed files with 533 additions and 2 deletions
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MobileGL/MG_Impl/GLImpl/RenderState/GL_RenderState.cpp
+12
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@@ -328,6 +328,14 @@ namespace MobileGL::MG_Impl::GLImpl {
MG_State::pGLContext->SetSampleCoverage(std::clamp(static_cast<Float>(value), 0.0f, 1.0f), invert == GL_TRUE);
}
// ARB_sample_shading / GL 4.6 core 14.3.1: "value is clamped to [0, 1] when specified", so
// there is no error to raise - a caller that asks for 2.0 gets 1.0 and GL_MIN_SAMPLE_SHADING_-
// VALUE reads back 1.0. Was a logging no-op while ARB_sample_shading was advertised, which
// let an application enable GL_SAMPLE_SHADING and then quietly get the driver's default rate.
void MinSampleShading_State(GLfloat value) {
MG_State::pGLContext->SetMinSampleShadingValue(std::clamp(static_cast<Float>(value), 0.0f, 1.0f));
}
void PolygonOffset_State(GLfloat factor, GLfloat units) {
MG_State::pGLContext->SetPolygonOffset(static_cast<Float>(factor), static_cast<Float>(units));
}
@@ -1013,6 +1021,10 @@ namespace MobileGL::MG_Impl::GLImpl {
SampleCoverage_State(value, invert);
}
void MinSampleShading(GLfloat value) {
MinSampleShading_State(value);
}
void PolygonOffset(GLfloat factor, GLfloat units) {
PolygonOffset_State(factor, units);
}
MobileGL/MG_Impl/GLImpl/RenderState/GL_RenderState.h
+1
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@@ -38,6 +38,7 @@ namespace MobileGL::MG_Impl::GLImpl {
void StencilFunc(GLenum func, GLint ref, GLuint mask);
void Scissor(GLint x, GLint y, GLsizei width, GLsizei height);
void SampleCoverage(GLfloat value, GLboolean invert);
void MinSampleShading(GLfloat value);
void PolygonOffset(GLfloat factor, GLfloat units);
void PolygonMode(GLenum face, GLenum mode);
void PointSize(GLfloat size);