finish depth buffering

rendering_api/vulkan/src/pipelines/graphics_pipeline/vulkan_graphics_pipeline.c

@@ -16,7 +16,7 @@ VkDynamicState vkGryphnDynamicStateToVulkanDynamicState(enum gnDynamicState_e st
     }
 }
 
-VkPrimitiveTopology vkGryphnPrimitiveType(enum gnPrimitiveType_e primitiveType) {
+VkPrimitiveTopology vkGryphnPrimitiveType(gnPrimitiveType primitiveType) {
     switch (primitiveType) {
     case GN_PRIMITIVE_POINTS: return VK_PRIMITIVE_TOPOLOGY_POINT_LIST;
     case GN_PRIMITIVE_LINES: return VK_PRIMITIVE_TOPOLOGY_LINE_LIST;
@@ -64,6 +64,32 @@ VkFormat vkGryphnVertexFormat(gnVertexFormat format) {
     }
 }
 
+VkCompareOp vkGrypnCompareOperation(gnCompareOperation operation) {
+    switch(operation) {
+    case GN_COMPARE_NEVER: return VK_COMPARE_OP_NEVER;
+    case GN_COMPARE_LESS: return VK_COMPARE_OP_LESS;
+    case GN_COMPARE_EQUAL: return VK_COMPARE_OP_EQUAL;
+    case GN_COMPARE_LESS_OR_EQUAL: return VK_COMPARE_OP_LESS_OR_EQUAL;
+    case GN_COMPARE_GREATER: return VK_COMPARE_OP_GREATER;
+    case GN_COMPARE_NOT_EQUAL: return VK_COMPARE_OP_NOT_EQUAL;
+    case GN_COMPARE_GREATER_OR_EQUAL: return VK_COMPARE_OP_GREATER_OR_EQUAL;
+    case GN_COMPARE_ALWAYS: return VK_COMPARE_OP_ALWAYS;
+    }
+}
+
+VkStencilOp vkGryphnStencilOperation(gnStencilOperation operation) {
+    switch(operation) {
+    case GN_STENCIL_KEEP: return VK_STENCIL_OP_KEEP;
+    case GN_STENCIL_ZERO: return VK_STENCIL_OP_ZERO;
+    case GN_STENCIL_REPLACE: return VK_STENCIL_OP_REPLACE;
+    case GN_STENCIL_INCREMENT_AND_CLAMP: return VK_STENCIL_OP_INCREMENT_AND_CLAMP;
+    case GN_STENCIL_DECREMENT_AND_CLAMP: return VK_STENCIL_OP_DECREMENT_AND_CLAMP;
+    case GN_STENCIL_INVERT: return VK_STENCIL_OP_INVERT;
+    case GN_STENCIL_INCREMENT_AND_WRAP: return VK_STENCIL_OP_INCREMENT_AND_WRAP;
+    case GN_STENCIL_DECREMENT_AND_WRAP: return VK_STENCIL_OP_DECREMENT_AND_WRAP;
+    }
+}
+
 gnReturnCode gnCreateGraphicsPipelineFn(gnGraphicsPipeline graphicsPipeline, gnDevice device, gnGraphicsPipelineInfo info) {
     graphicsPipeline->graphicsPipeline = malloc(sizeof(gnPlatformGraphicsPipeline));
     for (int i = 0; i < GN_DYNAMIC_STATE_MAX; i++) graphicsPipeline->graphicsPipeline->isDynamic[i] = gnFalse;
@@ -180,6 +206,37 @@ gnReturnCode gnCreateGraphicsPipelineFn(gnGraphicsPipeline graphicsPipeline, gnD
         .blendConstants[3] = 0.0f
     };
 
+    graphicsPipeline->graphicsPipeline->depthStencil = (VkPipelineDepthStencilStateCreateInfo){
+        .sType = VK_STRUCTURE_TYPE_PIPELINE_DEPTH_STENCIL_STATE_CREATE_INFO,
+        .depthWriteEnable = info.depthStencil.depthWriteEnable,
+        .depthTestEnable = info.depthStencil.depthWriteEnable,
+        .depthCompareOp = vkGrypnCompareOperation(info.depthStencil.operation),
+        .depthBoundsTestEnable = VK_FALSE,
+        .stencilTestEnable = info.depthStencil.stencilTestEnable,
+    };
+
+    if (info.depthStencil.stencilTestEnable) {
+        graphicsPipeline->graphicsPipeline->depthStencil.front = (VkStencilOpState){
+            .failOp = vkGryphnStencilOperation(info.depthStencil.front.failOperation),
+            .passOp = vkGryphnStencilOperation(info.depthStencil.front.passOperation),
+            .depthFailOp = vkGryphnStencilOperation(info.depthStencil.front.depthFailOperation),
+            .compareOp = vkGrypnCompareOperation(info.depthStencil.front.compareOperation),
+            .compareMask = info.depthStencil.front.compareMask,
+            .writeMask = info.depthStencil.front.writeMask,
+            .reference = info.depthStencil.front.reference,
+        };
+
+        graphicsPipeline->graphicsPipeline->depthStencil.back = (VkStencilOpState){
+            .failOp = vkGryphnStencilOperation(info.depthStencil.back.failOperation),
+            .passOp = vkGryphnStencilOperation(info.depthStencil.back.passOperation),
+            .depthFailOp = vkGryphnStencilOperation(info.depthStencil.back.depthFailOperation),
+            .compareOp = vkGrypnCompareOperation(info.depthStencil.back.compareOperation),
+            .compareMask = info.depthStencil.back.compareMask,
+            .writeMask = info.depthStencil.back.writeMask,
+            .reference = info.depthStencil.back.reference,
+        };
+    }
+
     graphicsPipeline->graphicsPipeline->setCount = info.uniformLayout.setCount;
     graphicsPipeline->graphicsPipeline->sets = malloc(sizeof(VkDescriptorSetLayout) * info.uniformLayout.setCount);
     for (int i = 0; i < info.uniformLayout.setCount; i++) graphicsPipeline->graphicsPipeline->sets[i] = vkGryphnCreateSetLayouts(&info.uniformLayout.sets[i], device->outputDevice->device);
@@ -209,7 +266,7 @@ gnReturnCode gnCreateGraphicsPipelineFn(gnGraphicsPipeline graphicsPipeline, gnD
         .pViewportState = &graphicsPipeline->graphicsPipeline->viewportState,
         .pRasterizationState = &graphicsPipeline->graphicsPipeline->rasterizer,
         .pMultisampleState = &multisampling,
-        .pDepthStencilState = NULL,
+        .pDepthStencilState = &graphicsPipeline->graphicsPipeline->depthStencil,
         .pColorBlendState = &graphicsPipeline->graphicsPipeline->colorBlending,
         .pDynamicState = &graphicsPipeline->graphicsPipeline->dynamicState,
         .layout = graphicsPipeline->graphicsPipeline->pipelineLayout,

rendering_api/vulkan/src/pipelines/graphics_pipeline/vulkan_graphics_pipeline.h

@@ -14,6 +14,7 @@ typedef struct gnPlatformGraphicsPipeline_t {
     VkPipelineRasterizationStateCreateInfo rasterizer;
     VkPipelineColorBlendAttachmentState colorBlendAttachment;
     VkPipelineColorBlendStateCreateInfo colorBlending;
+    VkPipelineDepthStencilStateCreateInfo depthStencil;
 
     // gnBool createdPipelineLayout;
     uint32_t setCount;

src/core/pipelines/graphics_pipeline/gryphn_graphics_pipeline.c

@@ -1,7 +1,7 @@
 #include "gryphn_graphics_pipeline.h"
 #include "core/gryphn_platform_functions.h"
 
-gnReturnCode gnCreateGraphicsPipeline(gnGraphicsPipelineHandle* graphicsPipeline, struct gnOutputDevice_t* device, struct gnGraphicsPipelineInfo_t info) {
+gnReturnCode gnCreateGraphicsPipeline(gnGraphicsPipelineHandle* graphicsPipeline, gnDevice device, gnGraphicsPipelineInfo info) {
     *graphicsPipeline = malloc(sizeof(struct gnGraphicsPipeline_t));
     (*graphicsPipeline)->device = device;
     (*graphicsPipeline)->info = info;

src/core/pipelines/graphics_pipeline/gryphn_graphics_pipeline.h

@@ -14,14 +14,25 @@ typedef enum gnDynamicState_e {
     GN_DYNAMIC_STATE_MAX
 } gnDynamicState;
 
-typedef struct gnDynamicStateInfo_t {
+typedef struct gnDynamicStateInfo {
     uint32_t dynamicStateCount;
     enum gnDynamicState_e* dynamicStates;
 } gnDynamicStateInfo;
 
-typedef enum gnPrimitiveType_e {
+typedef enum gnPrimitiveType {
     GN_PRIMITIVE_POINTS, GN_PRIMITIVE_LINES, GN_PRIMITIVE_LINE_STRIP, GN_PRIMITIVE_TRIANGLES, GN_PRIMITIVE_TRIANGLE_STRIP
-} gnPrimativeType;
+} gnPrimitiveType;
+
+typedef enum gnBlendFactor_e {
+    GN_BLEND_FACTOR_ZERO,
+    GN_BLEND_FACTOR_ONE,
+    GN_BLEND_FACTOR_SRC_ALPHA,
+    GN_BLEND_FACTOR_ONE_MINUS_SRC_ALPHA
+} gnBlendFactor;
+
+typedef enum gnBlendOperation_e {
+    GN_OPERATION_ADD
+} gnBlendOperation;
 
 typedef struct gnViewport_t {
     gnVec2 position;
@@ -47,41 +58,57 @@ typedef enum gnCullDirection_e {
     GN_DIRECTION_CLOCK_WISE, GN_DIRECTION_COUNTER_CLOCK_WISE
 } gnCullDirection;
 
+typedef enum gnCompareOperation {
+    GN_COMPARE_NEVER, GN_COMPARE_LESS, GN_COMPARE_EQUAL,
+    GN_COMPARE_LESS_OR_EQUAL, GN_COMPARE_GREATER, GN_COMPARE_NOT_EQUAL,
+    GN_COMPARE_GREATER_OR_EQUAL, GN_COMPARE_ALWAYS
+} gnCompareOperation;
+
+typedef enum gnStencilOperation {
+    GN_STENCIL_KEEP, GN_STENCIL_ZERO, GN_STENCIL_REPLACE,
+    GN_STENCIL_INCREMENT_AND_CLAMP, GN_STENCIL_DECREMENT_AND_CLAMP,
+    GN_STENCIL_INVERT, GN_STENCIL_INCREMENT_AND_WRAP,
+    GN_STENCIL_DECREMENT_AND_WRAP,
+} gnStencilOperation;
+
 typedef struct gnCullMode_t {
     enum gnCullFace_e face;
     enum gnCullDirection_e direction;
 } gnCullMode;
 
-typedef enum gnBlendFactor_e {
-    GN_BLEND_FACTOR_ZERO,
-    GN_BLEND_FACTOR_ONE,
-    GN_BLEND_FACTOR_SRC_ALPHA,
-    GN_BLEND_FACTOR_ONE_MINUS_SRC_ALPHA
-} gnBlendFactor;
-
-typedef enum gnBlendOperation_e {
-    GN_OPERATION_ADD
-} gnBlendOperation;
-
 typedef struct gnColorBlending_t {
     gnBool enable;
-    enum gnBlendFactor_e sourceColorBlendFactor;
+    gnBlendFactor sourceColorBlendFactor;
-    enum gnBlendFactor_e sourceAlphaBlendFactor;
+    gnBlendFactor sourceAlphaBlendFactor;
-    enum gnBlendFactor_e destinationColorBlendFactor;
+    gnBlendFactor destinationColorBlendFactor;
-    enum gnBlendFactor_e destinationAlphaBlendFactor;
+    gnBlendFactor destinationAlphaBlendFactor;
 
-    enum gnBlendOperation_e colorBlendOperation;
+    gnBlendOperation colorBlendOperation;
-    enum gnBlendOperation_e alphaBlendOperation;
+    gnBlendOperation alphaBlendOperation;
 } gnColorBlending;
 
+typedef struct gnStencilState {
+    gnStencilOperation failOperation, passOperation, depthFailOperation;
+    gnCompareOperation compareOperation;
+    uint32_t compareMask, writeMask, reference;
+} gnStencilState;
+
+typedef struct gnDepthStencilState {
+    gnBool depthTestEnable, depthWriteEnable;
+    gnCompareOperation operation;
+    gnBool stencilTestEnable;
+    gnStencilState front, back;
+} gnDepthStencilState;
+
 typedef struct gnGraphicsPipelineInfo_t {
-    struct gnDynamicStateInfo_t dynamicState;
+    gnDynamicStateInfo dynamicState;
-    enum gnPrimitiveType_e primitiveType;
+    gnPrimitiveType primitiveType;
-    struct gnViewport_t viewport;
+    gnViewport viewport;
-    struct gnScissor_t scissor;
+    gnScissor scissor;
-    enum gnFillMode_e fillMode;
+    gnFillMode fillMode;
-    struct gnCullMode_t cullMode;
+    gnCullMode cullMode;
-    struct gnColorBlending_t colorBlending;
+    gnColorBlending colorBlending;
+    gnDepthStencilState depthStencil;
 
     uint32_t subpassIndex;
     gnRenderPassDescriptorHandle renderPassDescriptor;
@@ -101,5 +128,5 @@ struct gnGraphicsPipeline_t {
 };
 #endif
 
-gnReturnCode gnCreateGraphicsPipeline(gnGraphicsPipelineHandle* graphicsPipeline, gnOutputDeviceHandle device, struct gnGraphicsPipelineInfo_t info);
+gnReturnCode gnCreateGraphicsPipeline(gnGraphicsPipelineHandle* graphicsPipeline, gnOutputDeviceHandle device, gnGraphicsPipelineInfo info);
 void gnDestroyGraphicsPipeline(gnGraphicsPipelineHandle graphicsPipeline);