56 lines
1.1 KiB
Odin
56 lines
1.1 KiB
Odin
package engine
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import "core:fmt"
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import "core:os"
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import sdl "vendor:sdl3"
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choose_shader_runtime_from_formats :: proc(
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supported: sdl.GPUShaderFormat,
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) -> (
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Shader_Runtime,
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bool,
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) {
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if .MSL in supported {
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return {
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backend = .Metal_MSL,
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format = {.MSL},
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shader_dir = "shaders/metal",
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entrypoint = "main",
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}, true
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}
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if .DXIL in supported {
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return {
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backend = .DSD12_DXIL,
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format = {.DXIL},
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shader_dir = "shaders/d3d12",
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entrypoint = "main",
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}, true
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}
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if .SPIRV in supported {
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return {
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backend = .Vulkan_SPIRV,
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format = {.SPIRV},
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shader_dir = "shaders/vulkan",
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entrypoint = "main",
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}, true
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}
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fmt.eprintfln("No supported shader format from device (got %v)", supported)
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return {}, false
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}
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choose_shader_runtime :: proc(device: ^sdl.GPUDevice) -> (Shader_Runtime, bool) {
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supported := sdl.GetGPUShaderFormats(device)
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return choose_shader_runtime_from_formats(supported)
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}
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load_shader_blob :: proc(path: string) -> ([]u8, bool) {
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data, err := os.read_entire_file(path, context.allocator)
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if err != nil {
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fmt.eprintfln("failed to read shader %s: %v", path, err)
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return nil, false
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}
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return data, true
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}
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