.dstColorBlendFactor=0, source alpha as final alpha.

diff --git a/src/vkvg_device_internal.c b/src/vkvg_device_internal.c
index cbec2c488b899073fbcd29dff25503e0b979100d..8494731acd498a7e9506b78fae494da15667338a 100644 (file)
--- a/src/vkvg_device_internal.c
+++ b/src/vkvg_device_internal.c
@@ -200,30 +200,30 @@ void _device_setupPipelines(VkvgDevice dev)
                                .topology = VK_PRIMITIVE_TOPOLOGY_TRIANGLE_FAN };
 
        VkPipelineRasterizationStateCreateInfo rasterizationState = { .sType = VK_STRUCTURE_TYPE_PIPELINE_RASTERIZATION_STATE_CREATE_INFO,
-                               .polygonMode = VK_POLYGON_MODE_FILL,
-                               .cullMode = VK_CULL_MODE_NONE,
-                               .frontFace = VK_FRONT_FACE_COUNTER_CLOCKWISE,
-                               .depthClampEnable = VK_FALSE,
-                               .rasterizerDiscardEnable = VK_FALSE,
-                               .depthBiasEnable = VK_FALSE,
-                               .lineWidth = 1.0f };
+                               .polygonMode                    = VK_POLYGON_MODE_FILL,
+                               .cullMode                               = VK_CULL_MODE_NONE,
+                               .frontFace                              = VK_FRONT_FACE_COUNTER_CLOCKWISE,
+                               .depthClampEnable               = VK_FALSE,
+                               .rasterizerDiscardEnable= VK_FALSE,
+                               .depthBiasEnable                = VK_FALSE,
+                               .lineWidth                              = 1.0f };
 
        VkPipelineColorBlendAttachmentState blendAttachmentState =
        { .colorWriteMask = 0x0, .blendEnable = VK_TRUE,
 #ifdef VKVG_PREMULT_ALPHA
-         .srcColorBlendFactor = VK_BLEND_FACTOR_ONE,
-         .dstColorBlendFactor= VK_BLEND_FACTOR_ONE_MINUS_SRC_ALPHA,
-         .colorBlendOp = VK_BLEND_OP_ADD,
-         .srcAlphaBlendFactor = VK_BLEND_FACTOR_ONE,
-         .dstAlphaBlendFactor = VK_BLEND_FACTOR_ONE,
-         .alphaBlendOp = VK_BLEND_OP_ADD,
+         .srcColorBlendFactor  = VK_BLEND_FACTOR_ONE,
+         .dstColorBlendFactor  = VK_BLEND_FACTOR_ONE_MINUS_SRC_ALPHA,
+         .colorBlendOp                 = VK_BLEND_OP_ADD,
+         .srcAlphaBlendFactor  = VK_BLEND_FACTOR_ONE,
+         .dstAlphaBlendFactor  = VK_BLEND_FACTOR_ZERO,
+         .alphaBlendOp                 = VK_BLEND_OP_ADD,
 #else
-         .srcColorBlendFactor = VK_BLEND_FACTOR_SRC_ALPHA,
-         .dstColorBlendFactor= VK_BLEND_FACTOR_ONE_MINUS_SRC_ALPHA,
-         .colorBlendOp = VK_BLEND_OP_ADD,
-         .srcAlphaBlendFactor = VK_BLEND_FACTOR_ONE,
-         .dstAlphaBlendFactor = VK_BLEND_FACTOR_ZERO,
-         .alphaBlendOp = VK_BLEND_OP_ADD,
+         .srcColorBlendFactor  = VK_BLEND_FACTOR_SRC_ALPHA,
+         .dstColorBlendFactor  = VK_BLEND_FACTOR_ONE_MINUS_SRC_ALPHA,
+         .colorBlendOp                 = VK_BLEND_OP_ADD,
+         .srcAlphaBlendFactor  = VK_BLEND_FACTOR_ONE,
+         .dstAlphaBlendFactor  = VK_BLEND_FACTOR_ZERO,
+         .alphaBlendOp                 = VK_BLEND_OP_ADD,
 #endif
        };
 
@@ -232,17 +232,17 @@ void _device_setupPipelines(VkvgDevice dev)
                                .pAttachments = &blendAttachmentState };
 
                                                                                /*failOp,passOp,depthFailOp,compareOp, compareMask, writeMask, reference;*/
-       VkStencilOpState polyFillOpState ={VK_STENCIL_OP_KEEP,VK_STENCIL_OP_INVERT,VK_STENCIL_OP_KEEP,VK_COMPARE_OP_EQUAL,STENCIL_CLIP_BIT,STENCIL_FILL_BIT,0};
-       VkStencilOpState clipingOpState = {VK_STENCIL_OP_ZERO,VK_STENCIL_OP_REPLACE,VK_STENCIL_OP_KEEP,VK_COMPARE_OP_EQUAL,STENCIL_FILL_BIT,STENCIL_ALL_BIT,0x2};
-       VkStencilOpState stencilOpState = {VK_STENCIL_OP_KEEP,VK_STENCIL_OP_ZERO,VK_STENCIL_OP_KEEP,VK_COMPARE_OP_EQUAL,STENCIL_FILL_BIT,STENCIL_FILL_BIT,0x1};
+       VkStencilOpState polyFillOpState ={VK_STENCIL_OP_KEEP,VK_STENCIL_OP_INVERT,     VK_STENCIL_OP_KEEP,VK_COMPARE_OP_EQUAL,STENCIL_CLIP_BIT,STENCIL_FILL_BIT,0};
+       VkStencilOpState clipingOpState = {VK_STENCIL_OP_ZERO,VK_STENCIL_OP_REPLACE,VK_STENCIL_OP_KEEP,VK_COMPARE_OP_EQUAL,STENCIL_FILL_BIT,STENCIL_ALL_BIT, 0x2};
+       VkStencilOpState stencilOpState = {VK_STENCIL_OP_KEEP,VK_STENCIL_OP_ZERO,       VK_STENCIL_OP_KEEP,VK_COMPARE_OP_EQUAL,STENCIL_FILL_BIT,STENCIL_FILL_BIT,0x1};
 
        VkPipelineDepthStencilStateCreateInfo dsStateCreateInfo = { .sType = VK_STRUCTURE_TYPE_PIPELINE_DEPTH_STENCIL_STATE_CREATE_INFO,
-                               .depthTestEnable = VK_FALSE,
-                               .depthWriteEnable = VK_FALSE,
-                               .depthCompareOp = VK_COMPARE_OP_ALWAYS,
-                               .stencilTestEnable = VK_TRUE,
-                               .front = polyFillOpState,
-                               .back = polyFillOpState };
+                               .depthTestEnable        = VK_FALSE,
+                               .depthWriteEnable       = VK_FALSE,
+                               .depthCompareOp         = VK_COMPARE_OP_ALWAYS,
+                               .stencilTestEnable      = VK_TRUE,
+                               .front                          = polyFillOpState,
+                               .back                           = polyFillOpState };
 
        VkDynamicState dynamicStateEnables[] = {
                VK_DYNAMIC_STATE_VIEWPORT,
@@ -260,11 +260,9 @@ void _device_setupPipelines(VkvgDevice dev)
 
        VkPipelineMultisampleStateCreateInfo multisampleState = { .sType = VK_STRUCTURE_TYPE_PIPELINE_MULTISAMPLE_STATE_CREATE_INFO,
                                .rasterizationSamples = dev->samples };
-       /*if (VKVG_SAMPLES != VK_SAMPLE_COUNT_1_BIT){
+       /*if (dev->samples != VK_SAMPLE_COUNT_1_BIT){
                multisampleState.sampleShadingEnable = VK_TRUE;
-               multisampleState.minSampleShading = 0.25f;
-               //multisampleState.alphaToCoverageEnable = VK_FALSE;
-               //multisampleState.alphaToOneEnable = VK_FALSE;
+               multisampleState.minSampleShading = 0.5f;
        }*/
        VkVertexInputBindingDescription vertexInputBinding = { .binding = 0,
                                .stride = sizeof(Vertex),