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[Feat] (MG_State/RenderState): Support indexed blend states.

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This commit is contained in:
BZLZHH
2026-02-06 00:41:30 +08:00
parent 68bdea41d2
commit a109675f1f
4 changed files with 129 additions and 19 deletions
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MobileGL/MG_State/GLState/RenderState/RenderState.h
+16 -5
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@@ -9,6 +9,7 @@
#pragma once
#include <Includes.h>
#include <MG_Util/Math/VectorTypes.h>
#include <MG_State/GLState/FramebufferState/FramebufferObject.h>
namespace MobileGL {
enum class BlendFactor {
@@ -127,16 +128,20 @@ namespace MobileGL {
Int Alignment = 4;
};
struct PerBufferBlendState {
Bool Enabled = false;
BlendFactor SrcFactorRGB = BlendFactor::One;
BlendFactor DstFactorRGB = BlendFactor::Zero;
BlendFactor SrcFactorAlpha = BlendFactor::One;
BlendFactor DstFactorAlpha = BlendFactor::Zero;
};
struct RenderStateParameters {
// Rasterization
IntVec4 Viewport = IntVec4(0, 0, 0, 0); // x, y, width, height
// Blending
Bool BlendEnabled = false;
BlendFactor SrcFactorRGB = BlendFactor::One;
BlendFactor DstFactorRGB = BlendFactor::Zero;
BlendFactor SrcFactorAlpha = BlendFactor::One;
BlendFactor DstFactorAlpha = BlendFactor::Zero;
Array<PerBufferBlendState, MG_State::GLState::FramebufferObject::MAX_DRAW_BUFFERS> BlendStates;
// Depth
Bool DepthTestEnabled = false;
@@ -175,11 +180,17 @@ namespace MobileGL {
// Capabilities
void SetCapability(CapabilityInput cap, Bool enabled);
Bool IsCapabilityEnabled(CapabilityInput cap) const;
void SetCapabilityIndexed(CapabilityInput cap, Uint index, Bool enabled);
Bool IsCapabilityEnabledIndexed(CapabilityInput cap, Uint index) const;
// Blending
void SetBlendFunc(BlendFactor srcRGB, BlendFactor dstRGB, BlendFactor srcAlpha, BlendFactor dstAlpha);
void GetBlendFunc(BlendFactor& srcRGB, BlendFactor& dstRGB, BlendFactor& srcAlpha,
BlendFactor& dstAlpha) const;
void SetBlendFuncIndexed(Uint index, BlendFactor srcRGB, BlendFactor dstRGB, BlendFactor srcAlpha,
BlendFactor dstAlpha);
void GetBlendFuncIndexed(Uint index, BlendFactor& srcRGB, BlendFactor& dstRGB, BlendFactor& srcAlpha,
BlendFactor& dstAlpha) const;
// Depth
void SetDepthFunc(DepthTestFunc func);