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[Feat] (MG_Backend/DirectGLES): Sync indexed blend states.

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This commit is contained in:
BZLZHH
2026-02-06 01:05:18 +08:00
parent 91eb75a95d
commit 07927dc4a3
1 changed files with 98 additions and 11 deletions
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MobileGL/MG_Backend/DirectGLES/DirectGLES.cpp
+98 -11
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@@ -305,7 +305,6 @@ namespace MobileGL::MG_Backend::DirectGLES {
MG_External::GLES::glDisable(cap_gl); \
} \
}
SYNC_CAPABILITY(Blend, GL_BLEND);
SYNC_CAPABILITY(DepthTest, GL_DEPTH_TEST);
SYNC_CAPABILITY(ScissorTest, GL_SCISSOR_TEST);
SYNC_CAPABILITY(CullFace, GL_CULL_FACE);
@@ -314,19 +313,107 @@ namespace MobileGL::MG_Backend::DirectGLES {
const auto& ToGLBoolean = [](Bool b) -> GLboolean { return b ? GL_TRUE : GL_FALSE; };
if (parameters.SrcFactorRGB != g_syncedRenderStateParameters.SrcFactorRGB ||
parameters.DstFactorRGB != g_syncedRenderStateParameters.DstFactorRGB ||
parameters.SrcFactorAlpha != g_syncedRenderStateParameters.SrcFactorAlpha ||
parameters.DstFactorAlpha != g_syncedRenderStateParameters.DstFactorAlpha) { // Blend func
const BlendFactor &srcRGB = parameters.SrcFactorRGB, &dstRGB = parameters.DstFactorRGB,
&srcAlpha = parameters.SrcFactorAlpha, &dstAlpha = parameters.DstFactorAlpha;
{ // Blend State
using FBO = MG_State::GLState::FramebufferObject;
const auto& targetStates = parameters.BlendStates;
auto& syncedStates = g_syncedRenderStateParameters.BlendStates;
MG_External::GLES::glBlendFuncSeparate(
MG_Util::ConvertBlendFactorToGLEnum(srcRGB), MG_Util::ConvertBlendFactorToGLEnum(dstRGB),
MG_Util::ConvertBlendFactorToGLEnum(srcAlpha), MG_Util::ConvertBlendFactorToGLEnum(dstAlpha));
Bool allEnabled = true;
Bool allDisabled = true;
Bool anyCapDirty = false;
for (Uint i = 0; i < FBO::MAX_DRAW_BUFFERS; ++i) {
Bool enabled = targetStates[i].Enabled;
if (enabled)
allDisabled = false;
else
allEnabled = false;
if (enabled != syncedStates[i].Enabled) {
anyCapDirty = true;
}
}
if (anyCapDirty) {
if (allEnabled) {
MG_External::GLES::glEnable(GL_BLEND);
for (auto& s : syncedStates)
s.Enabled = true;
} else if (allDisabled) {
MG_External::GLES::glDisable(GL_BLEND);
for (auto& s : syncedStates)
s.Enabled = false;
} else {
for (Uint i = 0; i < FBO::MAX_DRAW_BUFFERS; ++i) {
if (targetStates[i].Enabled != syncedStates[i].Enabled) {
syncedStates[i].Enabled = targetStates[i].Enabled;
syncedStates[i].Enabled ? MG_External::GLES::glEnablei(GL_BLEND, i)
: MG_External::GLES::glDisablei(GL_BLEND, i);
}
}
}
}
Bool allFuncsSame = true;
Bool anyFuncDirty = false;
const auto& first = targetStates[0];
for (Uint i = 0; i < FBO::MAX_DRAW_BUFFERS; ++i) {
const auto& cur = targetStates[i];
const auto& syn = syncedStates[i];
Bool isDiffFromSyn =
(cur.SrcFactorRGB != syn.SrcFactorRGB || cur.DstFactorRGB != syn.DstFactorRGB ||
cur.SrcFactorAlpha != syn.SrcFactorAlpha || cur.DstFactorAlpha != syn.DstFactorAlpha);
if (isDiffFromSyn) anyFuncDirty = true;
if (allFuncsSame && i > 0) {
if (cur.SrcFactorRGB != first.SrcFactorRGB || cur.DstFactorRGB != first.DstFactorRGB ||
cur.SrcFactorAlpha != first.SrcFactorAlpha || cur.DstFactorAlpha != first.DstFactorAlpha) {
allFuncsSame = false;
}
}
}
if (anyFuncDirty) {
if (allFuncsSame) {
MG_External::GLES::glBlendFuncSeparate(
MG_Util::ConvertBlendFactorToGLEnum(first.SrcFactorRGB),
MG_Util::ConvertBlendFactorToGLEnum(first.DstFactorRGB),
MG_Util::ConvertBlendFactorToGLEnum(first.SrcFactorAlpha),
MG_Util::ConvertBlendFactorToGLEnum(first.DstFactorAlpha));
for (auto& syn : syncedStates) {
syn.SrcFactorRGB = first.SrcFactorRGB;
syn.DstFactorRGB = first.DstFactorRGB;
syn.SrcFactorAlpha = first.SrcFactorAlpha;
syn.DstFactorAlpha = first.DstFactorAlpha;
}
} else {
for (Uint i = 0; i < FBO::MAX_DRAW_BUFFERS; ++i) {
const auto& cur = targetStates[i];
auto& syn = syncedStates[i];
if (cur.SrcFactorRGB != syn.SrcFactorRGB || cur.DstFactorRGB != syn.DstFactorRGB ||
cur.SrcFactorAlpha != syn.SrcFactorAlpha || cur.DstFactorAlpha != syn.DstFactorAlpha) {
syn.SrcFactorRGB = cur.SrcFactorRGB;
syn.DstFactorRGB = cur.DstFactorRGB;
syn.SrcFactorAlpha = cur.SrcFactorAlpha;
syn.DstFactorAlpha = cur.DstFactorAlpha;
MG_External::GLES::glBlendFuncSeparatei(
i, MG_Util::ConvertBlendFactorToGLEnum(cur.SrcFactorRGB),
MG_Util::ConvertBlendFactorToGLEnum(cur.DstFactorRGB),
MG_Util::ConvertBlendFactorToGLEnum(cur.SrcFactorAlpha),
MG_Util::ConvertBlendFactorToGLEnum(cur.DstFactorAlpha));
}
}
}
}
}
{ // Blend equation
{ // Depth state
if (parameters.DepthFunc != g_syncedRenderStateParameters.DepthFunc) {
MG_External::GLES::glDepthFunc(MG_Util::ConvertDepthTestFuncToGLEnum(parameters.DepthFunc));
}