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[Feat] (MG_Backend/DirectVulkan): alpha state

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swung0x48
2026-02-18 09:49:58 +08:00
parent ea71b3d96f
commit f79b7a91d7
3 changed files with 59 additions and 3 deletions
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MobileGL/MG_Backend/DirectVulkan/Renderer/PipelineFactory.cpp
+14 -3
View File
@@ -24,6 +24,12 @@ namespace MobileGL::MG_Backend::DirectVulkan {
XXHASH_VERIFY(XXH64_update(m_hashState, &payload.depthTestEnable, sizeof(payload.depthTestEnable)));
XXHASH_VERIFY(XXH64_update(m_hashState, &payload.depthWriteEnable, sizeof(payload.depthWriteEnable)));
XXHASH_VERIFY(XXH64_update(m_hashState, &payload.depthCompareOp, sizeof(payload.depthCompareOp)));
XXHASH_VERIFY(XXH64_update(m_hashState, &payload.blendEnable, sizeof(payload.blendEnable)));
XXHASH_VERIFY(XXH64_update(m_hashState, &payload.srcColorBlendFactor, sizeof(payload.srcColorBlendFactor)));
XXHASH_VERIFY(XXH64_update(m_hashState, &payload.dstColorBlendFactor, sizeof(payload.dstColorBlendFactor)));
XXHASH_VERIFY(XXH64_update(m_hashState, &payload.srcAlphaBlendFactor, sizeof(payload.srcAlphaBlendFactor)));
XXHASH_VERIFY(XXH64_update(m_hashState, &payload.dstAlphaBlendFactor, sizeof(payload.dstAlphaBlendFactor)));
XXHASH_VERIFY(XXH64_update(m_hashState, &payload.colorWriteMask, sizeof(payload.colorWriteMask)));
return XXH64_digest(m_hashState);
}
@@ -88,9 +94,14 @@ namespace MobileGL::MG_Backend::DirectVulkan {
depthStencil.stencilTestEnable = VK_FALSE;
VkPipelineColorBlendAttachmentState colorAttach{};
colorAttach.colorWriteMask =
VK_COLOR_COMPONENT_R_BIT | VK_COLOR_COMPONENT_G_BIT | VK_COLOR_COMPONENT_B_BIT | VK_COLOR_COMPONENT_A_BIT;
colorAttach.blendEnable = VK_FALSE;
colorAttach.colorWriteMask = payload.colorWriteMask;
colorAttach.blendEnable = payload.blendEnable ? VK_TRUE : VK_FALSE;
colorAttach.srcColorBlendFactor = payload.srcColorBlendFactor;
colorAttach.dstColorBlendFactor = payload.dstColorBlendFactor;
colorAttach.colorBlendOp = VK_BLEND_OP_ADD;
colorAttach.srcAlphaBlendFactor = payload.srcAlphaBlendFactor;
colorAttach.dstAlphaBlendFactor = payload.dstAlphaBlendFactor;
colorAttach.alphaBlendOp = VK_BLEND_OP_ADD;
VkPipelineColorBlendStateCreateInfo blend{VK_STRUCTURE_TYPE_PIPELINE_COLOR_BLEND_STATE_CREATE_INFO};
blend.attachmentCount = 1;
blend.pAttachments = &colorAttach;
MobileGL/MG_Backend/DirectVulkan/Renderer/PipelineFactory.h
+8
View File
@@ -27,6 +27,14 @@ namespace MobileGL::MG_Backend::DirectVulkan {
Bool depthTestEnable = false;
Bool depthWriteEnable = false;
VkCompareOp depthCompareOp = VK_COMPARE_OP_ALWAYS;
Bool blendEnable = false;
VkBlendFactor srcColorBlendFactor = VK_BLEND_FACTOR_ONE;
VkBlendFactor dstColorBlendFactor = VK_BLEND_FACTOR_ZERO;
VkBlendFactor srcAlphaBlendFactor = VK_BLEND_FACTOR_ONE;
VkBlendFactor dstAlphaBlendFactor = VK_BLEND_FACTOR_ZERO;
VkColorComponentFlags colorWriteMask =
VK_COLOR_COMPONENT_R_BIT | VK_COLOR_COMPONENT_G_BIT |
VK_COLOR_COMPONENT_B_BIT | VK_COLOR_COMPONENT_A_BIT;
const Vector<VkPipelineShaderStageCreateInfo>* stages = nullptr;
const VkPipelineVertexInputStateCreateInfo* vertexInputState = nullptr;
};
MobileGL/MG_Backend/DirectVulkan/Renderer/VulkanRenderer.cpp
+37
View File
@@ -85,6 +85,25 @@ namespace MobileGL::MG_Backend::DirectVulkan {
default: return VK_COMPARE_OP_ALWAYS;
}
};
auto toVkBlendFactor = [](BlendFactor factor) -> VkBlendFactor {
switch (factor) {
case BlendFactor::Zero: return VK_BLEND_FACTOR_ZERO;
case BlendFactor::One: return VK_BLEND_FACTOR_ONE;
case BlendFactor::SrcColor: return VK_BLEND_FACTOR_SRC_COLOR;
case BlendFactor::OneMinusSrcColor: return VK_BLEND_FACTOR_ONE_MINUS_SRC_COLOR;
case BlendFactor::DstColor: return VK_BLEND_FACTOR_DST_COLOR;
case BlendFactor::OneMinusDstColor: return VK_BLEND_FACTOR_ONE_MINUS_DST_COLOR;
case BlendFactor::SrcAlpha: return VK_BLEND_FACTOR_SRC_ALPHA;
case BlendFactor::OneMinusSrcAlpha: return VK_BLEND_FACTOR_ONE_MINUS_SRC_ALPHA;
case BlendFactor::DstAlpha: return VK_BLEND_FACTOR_DST_ALPHA;
case BlendFactor::OneMinusDstAlpha: return VK_BLEND_FACTOR_ONE_MINUS_DST_ALPHA;
case BlendFactor::ConstantColor: return VK_BLEND_FACTOR_CONSTANT_COLOR;
case BlendFactor::OneMinusConstantColor: return VK_BLEND_FACTOR_ONE_MINUS_CONSTANT_COLOR;
case BlendFactor::ConstantAlpha: return VK_BLEND_FACTOR_CONSTANT_ALPHA;
case BlendFactor::OneMinusConstantAlpha: return VK_BLEND_FACTOR_ONE_MINUS_CONSTANT_ALPHA;
default: return VK_BLEND_FACTOR_ONE;
}
};
PipelineFactory::PipelineCreatePayload payload{};
payload.programHash = programHash;
@@ -98,6 +117,24 @@ namespace MobileGL::MG_Backend::DirectVulkan {
payload.depthTestEnable = depthTestEnabled;
payload.depthWriteEnable = depthTestEnabled && MG_State::pGLContext->GetDepthMask();
payload.depthCompareOp = toVkCompareOp(MG_State::pGLContext->GetDepthFunc());
payload.blendEnable = MG_State::pGLContext->IsCapabilityEnabled(CapabilityInput::Blend);
BlendFactor srcRGB = BlendFactor::One;
BlendFactor dstRGB = BlendFactor::Zero;
BlendFactor srcAlpha = BlendFactor::One;
BlendFactor dstAlpha = BlendFactor::Zero;
MG_State::pGLContext->GetBlendFunc(srcRGB, dstRGB, srcAlpha, dstAlpha);
payload.srcColorBlendFactor = toVkBlendFactor(srcRGB);
payload.dstColorBlendFactor = toVkBlendFactor(dstRGB);
payload.srcAlphaBlendFactor = toVkBlendFactor(srcAlpha);
payload.dstAlphaBlendFactor = toVkBlendFactor(dstAlpha);
payload.colorWriteMask = 0;
const BoolVec4 colorMask = MG_State::pGLContext->GetColorMask();
if (colorMask.x()) payload.colorWriteMask |= VK_COLOR_COMPONENT_R_BIT;
if (colorMask.y()) payload.colorWriteMask |= VK_COLOR_COMPONENT_G_BIT;
if (colorMask.z()) payload.colorWriteMask |= VK_COLOR_COMPONENT_B_BIT;
if (colorMask.w()) payload.colorWriteMask |= VK_COLOR_COMPONENT_A_BIT;
}
payload.stages = &stages;
payload.vertexInputState = &vertexInputState;