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Document/ignore GPU features without universal support

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This commit is contained in:
Caleb Cornett
2025-02-23 13:34:28 -05:00
committed by Sam Lantinga
parent ad11c6988c
commit ea77472d75
4 changed files with 18 additions and 60 deletions
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39
src/gpu/vulkan/SDL_gpu_vulkan.c
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@@ -56,8 +56,6 @@ typedef struct VulkanExtensions
// Core since 1.2, but requires annoying paperwork to implement
Uint8 KHR_driver_properties;
// EXT, probably not going to be Core
Uint8 EXT_vertex_attribute_divisor;
// Only required for special implementations (i.e. MoltenVK)
Uint8 KHR_portability_subset;
// Only required for decoding HDR ASTC textures
@@ -6202,11 +6200,8 @@ static SDL_GPUGraphicsPipeline *VULKAN_CreateGraphicsPipeline(
VkPipelineShaderStageCreateInfo shaderStageCreateInfos[2];
VkPipelineVertexInputStateCreateInfo vertexInputStateCreateInfo;
VkPipelineVertexInputDivisorStateCreateInfoEXT divisorStateCreateInfo;
VkVertexInputBindingDescription *vertexInputBindingDescriptions = SDL_stack_alloc(VkVertexInputBindingDescription, createinfo->vertex_input_state.num_vertex_buffers);
VkVertexInputAttributeDescription *vertexInputAttributeDescriptions = SDL_stack_alloc(VkVertexInputAttributeDescription, createinfo->vertex_input_state.num_vertex_attributes);
VkVertexInputBindingDivisorDescriptionEXT *divisorDescriptions = SDL_stack_alloc(VkVertexInputBindingDivisorDescriptionEXT, createinfo->vertex_input_state.num_vertex_buffers);
Uint32 divisorDescriptionCount = 0;
VkPipelineInputAssemblyStateCreateInfo inputAssemblyStateCreateInfo;
@@ -6289,10 +6284,6 @@ static SDL_GPUGraphicsPipeline *VULKAN_CreateGraphicsPipeline(
vertexInputBindingDescriptions[i].binding = createinfo->vertex_input_state.vertex_buffer_descriptions[i].slot;
vertexInputBindingDescriptions[i].inputRate = SDLToVK_VertexInputRate[createinfo->vertex_input_state.vertex_buffer_descriptions[i].input_rate];
vertexInputBindingDescriptions[i].stride = createinfo->vertex_input_state.vertex_buffer_descriptions[i].pitch;
if (createinfo->vertex_input_state.vertex_buffer_descriptions[i].input_rate == SDL_GPU_VERTEXINPUTRATE_INSTANCE) {
divisorDescriptionCount += 1;
}
}
for (i = 0; i < createinfo->vertex_input_state.num_vertex_attributes; i += 1) {
@@ -6310,26 +6301,6 @@ static SDL_GPUGraphicsPipeline *VULKAN_CreateGraphicsPipeline(
vertexInputStateCreateInfo.vertexAttributeDescriptionCount = createinfo->vertex_input_state.num_vertex_attributes;
vertexInputStateCreateInfo.pVertexAttributeDescriptions = vertexInputAttributeDescriptions;
if (divisorDescriptionCount > 0) {
divisorDescriptionCount = 0;
for (i = 0; i < createinfo->vertex_input_state.num_vertex_buffers; i += 1) {
if (createinfo->vertex_input_state.vertex_buffer_descriptions[i].input_rate == SDL_GPU_VERTEXINPUTRATE_INSTANCE) {
divisorDescriptions[divisorDescriptionCount].binding = createinfo->vertex_input_state.vertex_buffer_descriptions[i].slot;
divisorDescriptions[divisorDescriptionCount].divisor = createinfo->vertex_input_state.vertex_buffer_descriptions[i].instance_step_rate;
divisorDescriptionCount += 1;
}
}
divisorStateCreateInfo.sType = VK_STRUCTURE_TYPE_PIPELINE_VERTEX_INPUT_DIVISOR_STATE_CREATE_INFO_EXT;
divisorStateCreateInfo.pNext = NULL;
divisorStateCreateInfo.vertexBindingDivisorCount = divisorDescriptionCount;
divisorStateCreateInfo.pVertexBindingDivisors = divisorDescriptions;
vertexInputStateCreateInfo.pNext = &divisorStateCreateInfo;
}
// Topology
inputAssemblyStateCreateInfo.sType = VK_STRUCTURE_TYPE_PIPELINE_INPUT_ASSEMBLY_STATE_CREATE_INFO;
@@ -6376,9 +6347,7 @@ static SDL_GPUGraphicsPipeline *VULKAN_CreateGraphicsPipeline(
// Multisample
Uint32 sampleMask = createinfo->multisample_state.enable_mask ?
createinfo->multisample_state.sample_mask :
0xFFFFFFFF;
Uint32 sampleMask = 0xFFFFFFFF;
multisampleStateCreateInfo.sType = VK_STRUCTURE_TYPE_PIPELINE_MULTISAMPLE_STATE_CREATE_INFO;
multisampleStateCreateInfo.pNext = NULL;
@@ -6476,7 +6445,6 @@ static SDL_GPUGraphicsPipeline *VULKAN_CreateGraphicsPipeline(
SDL_stack_free(vertexInputBindingDescriptions);
SDL_stack_free(vertexInputAttributeDescriptions);
SDL_stack_free(colorBlendAttachmentStates);
SDL_stack_free(divisorDescriptions);
SDL_free(graphicsPipeline);
SET_STRING_ERROR_AND_RETURN("Failed to initialize pipeline resource layout!", NULL);
}
@@ -6515,7 +6483,6 @@ static SDL_GPUGraphicsPipeline *VULKAN_CreateGraphicsPipeline(
SDL_stack_free(vertexInputBindingDescriptions);
SDL_stack_free(vertexInputAttributeDescriptions);
SDL_stack_free(colorBlendAttachmentStates);
SDL_stack_free(divisorDescriptions);
renderer->vkDestroyRenderPass(
renderer->logicalDevice,
@@ -10898,7 +10865,7 @@ static inline Uint8 CheckDeviceExtensions(
supports->ext = 1; \
}
CHECK(KHR_swapchain)
else CHECK(KHR_maintenance1) else CHECK(KHR_driver_properties) else CHECK(EXT_vertex_attribute_divisor) else CHECK(KHR_portability_subset) else CHECK(EXT_texture_compression_astc_hdr)
else CHECK(KHR_maintenance1) else CHECK(KHR_driver_properties) CHECK(KHR_portability_subset) else CHECK(EXT_texture_compression_astc_hdr)
#undef CHECK
}
@@ -10912,7 +10879,6 @@ static inline Uint32 GetDeviceExtensionCount(VulkanExtensions *supports)
supports->KHR_swapchain +
supports->KHR_maintenance1 +
supports->KHR_driver_properties +
supports->EXT_vertex_attribute_divisor +
supports->KHR_portability_subset +
supports->EXT_texture_compression_astc_hdr);
}
@@ -10929,7 +10895,6 @@ static inline void CreateDeviceExtensionArray(
CHECK(KHR_swapchain)
CHECK(KHR_maintenance1)
CHECK(KHR_driver_properties)
CHECK(EXT_vertex_attribute_divisor)
CHECK(KHR_portability_subset)
CHECK(EXT_texture_compression_astc_hdr)
#undef CHECK