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[Feat] (MG_Impl/RenderState): implement some blend related states

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This commit is contained in:
swung0x48
2026-05-24 17:38:44 +08:00
parent e63bfbabf0
commit 27a8aa057c
5 changed files with 87 additions and 16 deletions
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MobileGL/MG_Impl/GLImpl/RenderState/GL_RenderState.cpp
+48
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@@ -308,9 +308,45 @@ namespace MobileGL::MG_Impl::GLImpl {
BlendFactor dstRGBM = MG_Util::ConvertGLEnumToBlendFactor(dstRGB);
BlendFactor srcAlphaM = MG_Util::ConvertGLEnumToBlendFactor(srcAlpha);
BlendFactor dstAlphaM = MG_Util::ConvertGLEnumToBlendFactor(dstAlpha);
if (srcRGBM == BlendFactor::Unknown || dstRGBM == BlendFactor::Unknown ||
srcAlphaM == BlendFactor::Unknown || dstAlphaM == BlendFactor::Unknown) {
MG_State::pGLContext->RecordError(
ErrorCode::InvalidEnum,
MakeUnique<GenericErrorInfo>("MG_Impl/GLImpl", "BlendFuncSeparatei_State",
"One of the indexed blend factor enums is not supported."));
return;
}
MG_State::pGLContext->SetBlendFuncIndexed(buf, srcRGBM, dstRGBM, srcAlphaM, dstAlphaM);
}
void BlendFunci_State(GLuint buf, GLenum src, GLenum dst) {
BlendFuncSeparatei_State(buf, src, dst, src, dst);
}
void BlendEquationSeparatei_State(GLuint buf, GLenum modeRGB, GLenum modeAlpha) {
if (buf >= MG_State::GLState::FramebufferObject::MAX_DRAW_BUFFERS) {
MG_State::pGLContext->RecordError(
ErrorCode::InvalidValue,
MakeUnique<GenericErrorInfo>(
"MG_Impl/GLImpl", "BlendEquationSeparatei_State",
"Buffer index " + std::to_string(buf) + " is out of range. Max supported is " +
std::to_string(MG_State::GLState::FramebufferObject::MAX_DRAW_BUFFERS - 1) + "."));
return;
}
::MobileGL::BlendEquation colorEquation = ::MobileGL::BlendEquation::Unknown;
if (!TryConvertBlendEquation(modeRGB, "BlendEquationSeparatei_State", colorEquation)) return;
::MobileGL::BlendEquation alphaEquation = ::MobileGL::BlendEquation::Unknown;
if (!TryConvertBlendEquation(modeAlpha, "BlendEquationSeparatei_State", alphaEquation)) return;
MG_State::pGLContext->SetBlendEquationIndexed(buf, colorEquation, alphaEquation);
}
void BlendEquationi_State(GLuint buf, GLenum mode) {
BlendEquationSeparatei_State(buf, mode, mode);
}
void Disablei_State(GLenum target, GLuint index) {
auto capInput = MG_Util::ConvertGLEnumToCapabilityInput(target);
if (capInput == CapabilityInput::Unknown) {
@@ -340,6 +376,18 @@ namespace MobileGL::MG_Impl::GLImpl {
}
/* @INSERTION_POINT:FUNCTION_IMPLEMENTATION@ */
void BlendEquationi(GLuint buf, GLenum mode) {
BlendEquationi_State(buf, mode);
}
void BlendEquationSeparatei(GLuint buf, GLenum modeRGB, GLenum modeAlpha) {
BlendEquationSeparatei_State(buf, modeRGB, modeAlpha);
}
void BlendFunci(GLuint buf, GLenum src, GLenum dst) {
BlendFunci_State(buf, src, dst);
}
void BlendFuncSeparatei(GLuint buf, GLenum srcRGB, GLenum dstRGB, GLenum srcAlpha, GLenum dstAlpha) {
BlendFuncSeparatei_State(buf, srcRGB, dstRGB, srcAlpha, dstAlpha);
}