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gryphn graphics pipelines (create baisc objects)

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This commit is contained in:
Greg Wells
2025-05-28 11:53:06 -04:00
parent 08ec48f6a9
commit 21ec113824
7 changed files with 279 additions and 0 deletions
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155
rendering_api/vulkan/src/pipelines/graphics_pipeline/vulkan_graphics_pipeline.c Normal file
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#include "vulkan_graphics_pipeline.h"
VkDynamicState vkGryphnDynamicStateToVulkanDynamicState(enum gnDynamicState_e state) {
switch (state) {
case GN_DYNAMIC_VIEWPORT: return VK_DYNAMIC_STATE_SCISSOR;
case GN_DYNAMIC_SCISSOR: return VK_DYNAMIC_STATE_SCISSOR;
case GN_DYNAMIC_STATE_MAX: return VK_DYNAMIC_STATE_MAX_ENUM;
}
}
VkPrimitiveTopology vkGryphnPrimitiveType(enum gnPrimitiveType_e primitiveType) {
switch (primitiveType) {
case GN_PRIMITIVE_POINTS: return VK_PRIMITIVE_TOPOLOGY_POINT_LIST;
case GN_PRIMITIVE_LINES: return VK_PRIMITIVE_TOPOLOGY_LINE_LIST;
case GN_PRIMITIVE_LINE_STRIP: return VK_PRIMITIVE_TOPOLOGY_LINE_STRIP;
case GN_PRIMITIVE_TRIANGLES: return VK_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST;
case GN_PRIMITIVE_TRIANGLE_STRIP: return VK_PRIMITIVE_TOPOLOGY_TRIANGLE_STRIP;
}
}
VkPolygonMode vkGryphnPolygonMode(enum gnFillMode_e fillMode) {
switch (fillMode) {
case GN_FILL_MODE_FILL: return VK_POLYGON_MODE_FILL;
case GN_FILL_MODE_LINE: return VK_POLYGON_MODE_LINE;
case GN_FILL_MODE_POINT: return VK_POLYGON_MODE_POINT;
}
}
VkCullModeFlags vkGryphnCullMode(enum gnCullFace_e face) {
switch (face) {
case GN_CULL_FACE_NONE: return VK_CULL_MODE_NONE;
case GN_CULL_FACE_BACK: return VK_CULL_MODE_BACK_BIT;
case GN_CULL_FACE_FRONT: return VK_CULL_MODE_FRONT_BIT;
}
}
VkBlendFactor vkGryphnBlendFactor(enum gnBlendFactor_e factor) {
switch (factor) {
case GN_BLEND_FACTOR_ZERO: return VK_BLEND_FACTOR_ZERO;
case GN_BLEND_FACTOR_ONE: return VK_BLEND_FACTOR_ONE;
case GN_BLEND_FACTOR_SRC_ALPHA: return VK_BLEND_FACTOR_SRC_ALPHA;
case GN_BLEND_FACTOR_ONE_MINUS_SRC_ALPHA: return VK_BLEND_FACTOR_ONE_MINUS_SRC_ALPHA;
}
}
VkBlendOp vkGryphnBlendOperation(enum gnBlendOperation_e operation) {
switch(operation) {
case GN_OPERATION_ADD: return VK_BLEND_OP_ADD;
}
}
gnReturnCode gnCreateGraphicsPipelineFn(struct gnGraphicsPipeline_t* graphicsPipeline, struct gnOutputDevice_t* device, struct gnGraphicsPipelineInfo_t info) {
graphicsPipeline->graphicsPipeline = malloc(sizeof(gnPlatformGraphicsPipeline));
for (int i = 0; i < GN_DYNAMIC_STATE_MAX; i++) graphicsPipeline->graphicsPipeline->isDynamic[i] = gnFalse;
VkDynamicState* dynamicStates = malloc(sizeof(VkDynamicState) * info.dynamicState.dynamicStateCount);
for (int i = 0; i < info.dynamicState.dynamicStateCount; i++) {
graphicsPipeline->graphicsPipeline->isDynamic[info.dynamicState.dynamicStates[i]] = gnTrue;
dynamicStates[i] = vkGryphnDynamicStateToVulkanDynamicState(info.dynamicState.dynamicStates[i]);
}
graphicsPipeline->graphicsPipeline->dynamicState = (VkPipelineDynamicStateCreateInfo){
.sType = VK_STRUCTURE_TYPE_PIPELINE_DYNAMIC_STATE_CREATE_INFO,
.dynamicStateCount = info.dynamicState.dynamicStateCount,
.pDynamicStates = dynamicStates
};
graphicsPipeline->graphicsPipeline->vertexInfo = (VkPipelineVertexInputStateCreateInfo){
.sType = VK_STRUCTURE_TYPE_PIPELINE_VERTEX_INPUT_STATE_CREATE_INFO,
.vertexBindingDescriptionCount = 0,
.vertexAttributeDescriptionCount = 0
};
graphicsPipeline->graphicsPipeline->inputAssembly = (VkPipelineInputAssemblyStateCreateInfo){
.sType = VK_STRUCTURE_TYPE_PIPELINE_INPUT_ASSEMBLY_STATE_CREATE_INFO,
.topology = vkGryphnPrimitiveType(info.primitiveType),
.primitiveRestartEnable = VK_FALSE
};
graphicsPipeline->graphicsPipeline->viewportState = (VkPipelineViewportStateCreateInfo){
.sType = VK_STRUCTURE_TYPE_PIPELINE_VIEWPORT_STATE_CREATE_INFO,
.viewportCount = 1,
.scissorCount = 1
};
if (!graphicsPipeline->graphicsPipeline->isDynamic[GN_DYNAMIC_VIEWPORT]) {
graphicsPipeline->graphicsPipeline->viewport = (VkViewport) {
.x = info.viewport.position.x,
.y = info.viewport.position.y,
.width = info.viewport.size.x,
.height = info.viewport.size.y,
.minDepth = info.viewport.minDepth,
.maxDepth = info.viewport.maxDepth
};
graphicsPipeline->graphicsPipeline->viewportState.pViewports = &graphicsPipeline->graphicsPipeline->viewport;
}
if (!graphicsPipeline->graphicsPipeline->isDynamic[GN_DYNAMIC_SCISSOR]) {
graphicsPipeline->graphicsPipeline->scissor = (VkRect2D){
.offset = { info.scissor.position.x, info.scissor.position.y },
.extent = { info.scissor.size.x, info.scissor.size.y }
};
graphicsPipeline->graphicsPipeline->viewportState.pScissors = &graphicsPipeline->graphicsPipeline->scissor;
}
graphicsPipeline->graphicsPipeline->rasterizer = (VkPipelineRasterizationStateCreateInfo){
.sType = VK_STRUCTURE_TYPE_PIPELINE_RASTERIZATION_STATE_CREATE_INFO,
.polygonMode = vkGryphnPolygonMode(info.fillMode),
.lineWidth = 1.0f,
.frontFace = ( info.cullMode.direction == GN_DIRECTION_CLOCK_WISE ) ? VK_FRONT_FACE_CLOCKWISE : VK_FRONT_FACE_COUNTER_CLOCKWISE,
.cullMode = vkGryphnCullMode(info.cullMode.face),
.depthBiasEnable = VK_FALSE,
.depthBiasConstantFactor = 0.0f,
.depthBiasClamp = 0.0f,
.depthBiasSlopeFactor = 0.0f
};
VkPipelineMultisampleStateCreateInfo multisampling = {
.sType = VK_STRUCTURE_TYPE_PIPELINE_MULTISAMPLE_STATE_CREATE_INFO,
.sampleShadingEnable = VK_FALSE,
.rasterizationSamples = VK_SAMPLE_COUNT_1_BIT
};
graphicsPipeline->graphicsPipeline->colorBlendAttachment = (VkPipelineColorBlendAttachmentState){
.colorWriteMask = VK_COLOR_COMPONENT_R_BIT | VK_COLOR_COMPONENT_G_BIT | VK_COLOR_COMPONENT_B_BIT | VK_COLOR_COMPONENT_A_BIT,
.blendEnable = ( info.colorBlending.enable == gnTrue ) ? VK_TRUE : VK_FALSE,
.srcColorBlendFactor = vkGryphnBlendFactor(info.colorBlending.sourceColorBlendFactor),
.dstColorBlendFactor = vkGryphnBlendFactor(info.colorBlending.destinationColorBlendFactor),
.colorBlendOp = vkGryphnBlendOperation(info.colorBlending.colorBlendOperation),
.srcAlphaBlendFactor = vkGryphnBlendFactor(info.colorBlending.sourceAlphaBlendFactor),
.dstAlphaBlendFactor = vkGryphnBlendFactor(info.colorBlending.destinationAlphaBlendFactor),
.alphaBlendOp = vkGryphnBlendOperation(info.colorBlending.alphaBlendOperation),
};
graphicsPipeline->graphicsPipeline->colorBlending = (VkPipelineColorBlendStateCreateInfo){
.sType = VK_STRUCTURE_TYPE_PIPELINE_COLOR_BLEND_STATE_CREATE_INFO,
.logicOpEnable = VK_FALSE,
.logicOp = VK_LOGIC_OP_COPY,
.attachmentCount = 1,
.pAttachments = &graphicsPipeline->graphicsPipeline->colorBlendAttachment,
.blendConstants[0] = 0.0f,
.blendConstants[1] = 0.0f,
.blendConstants[2] = 0.0f,
.blendConstants[3] = 0.0f
};
free(dynamicStates);
return GN_SUCCESS;
}
void gnDestroyGraphicsPipelineFn(struct gnGraphicsPipeline_t *graphicsPipeline) {
}

17
rendering_api/vulkan/src/pipelines/graphics_pipeline/vulkan_graphics_pipeline.h Normal file
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#pragma once
#include <core/pipelines/graphics_pipeline/gryphn_graphics_pipeline.h>
#include <vulkan/vulkan.h>
typedef struct gnPlatformGraphicsPipeline_t {
VkPipelineDynamicStateCreateInfo dynamicState;
gnBool isDynamic[GN_DYNAMIC_STATE_MAX];
VkPipelineVertexInputStateCreateInfo vertexInfo;
VkPipelineInputAssemblyStateCreateInfo inputAssembly;
VkViewport viewport;
VkRect2D scissor;
VkPipelineViewportStateCreateInfo viewportState;
VkPipelineRasterizationStateCreateInfo rasterizer;
VkPipelineColorBlendAttachmentState colorBlendAttachment;
VkPipelineColorBlendStateCreateInfo colorBlending;
} gnPlatformGraphicsPipeline;