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Add player water ripples and separate 1x water pass for MSAA compatibility

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Player interaction ripples: vertex shader adds radial damped-sine displacement
centered on player position, fragment shader adds matching normal perturbation
for specular highlights. Player XY packed into shadowParams.zw, ripple strength
into fogParams.w. Separate 1x render pass for water when MSAA is active to
avoid MSAA-induced darkening — water renders after main pass resolves, using
the resolved swapchain image and depth resolve target. Water 1x framebuffers
rebuilt on swapchain recreate (window resize).
This commit is contained in:
Kelsi 2026-02-22 22:34:48 -08:00
parent 67e63653a4
commit 03a62526e1
11 changed files with 1306 additions and 115 deletions
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20
src/rendering/vk_pipeline.cpp
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@ -90,6 +90,11 @@ PipelineBuilder& PipelineBuilder::setMultisample(VkSampleCountFlagBits samples)
return *this;
}
PipelineBuilder& PipelineBuilder::setAlphaToCoverage(bool enable) {
alphaToCoverage_ = enable;
return *this;
}
PipelineBuilder& PipelineBuilder::setLayout(VkPipelineLayout layout) {
pipelineLayout_ = layout;
return *this;
@ -145,6 +150,7 @@ VkPipeline PipelineBuilder::build(VkDevice device) const {
multisampling.sType = VK_STRUCTURE_TYPE_PIPELINE_MULTISAMPLE_STATE_CREATE_INFO;
multisampling.sampleShadingEnable = VK_FALSE;
multisampling.rasterizationSamples = msaaSamples_;
multisampling.alphaToCoverageEnable = alphaToCoverage_ ? VK_TRUE : VK_FALSE;
// Depth/stencil
VkPipelineDepthStencilStateCreateInfo depthStencil{};
@ -218,6 +224,20 @@ VkPipelineColorBlendAttachmentState PipelineBuilder::blendAlpha() {
return state;
}
VkPipelineColorBlendAttachmentState PipelineBuilder::blendPremultiplied() {
VkPipelineColorBlendAttachmentState state{};
state.colorWriteMask = VK_COLOR_COMPONENT_R_BIT | VK_COLOR_COMPONENT_G_BIT |
VK_COLOR_COMPONENT_B_BIT | VK_COLOR_COMPONENT_A_BIT;
state.blendEnable = VK_TRUE;
state.srcColorBlendFactor = VK_BLEND_FACTOR_ONE;
state.dstColorBlendFactor = VK_BLEND_FACTOR_ONE_MINUS_SRC_ALPHA;
state.colorBlendOp = VK_BLEND_OP_ADD;
state.srcAlphaBlendFactor = VK_BLEND_FACTOR_ONE;
state.dstAlphaBlendFactor = VK_BLEND_FACTOR_ONE_MINUS_SRC_ALPHA;
state.alphaBlendOp = VK_BLEND_OP_ADD;
return state;
}
VkPipelineColorBlendAttachmentState PipelineBuilder::blendAdditive() {
VkPipelineColorBlendAttachmentState state{};
state.colorWriteMask = VK_COLOR_COMPONENT_R_BIT | VK_COLOR_COMPONENT_G_BIT |