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Default buffer/texture/sampler;

This commit is contained in:
bjorn 2022-05-23 22:32:12 -07:00
parent 6dce0be2da
commit d9e8b81b72
1 changed files with 50 additions and 0 deletions
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50
src/modules/graphics/graphics.c
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@ -130,6 +130,9 @@ static struct {
float background[4];
Texture* window;
Attachment attachments[16];
Buffer* defaultBuffer;
Texture* defaultTexture;
Sampler* defaultSampler;
map_t pipelineLookup;
arr_t(gpu_pipeline*) pipelines;
arr_t(Layout) layouts;
@ -196,12 +199,59 @@ bool lovrGraphicsInit(bool debug, bool vsync) {
state.allocator.memory = os_vm_init(MAX_FRAME_MEMORY);
os_vm_commit(state.allocator.memory, state.allocator.length);
BufferInfo defaultBufferInfo = {
.length = 4096,
.stride = 1,
.label = "Default Buffer"
};
TextureInfo defaultTextureInfo = {
.type = TEXTURE_2D,
.usage = TEXTURE_SAMPLE | TEXTURE_TRANSFER,
.format = FORMAT_RGBA8,
.width = 4,
.height = 4,
.depth = 1,
.mipmaps = 1,
.samples = 1,
.srgb = true,
.label = "Default Texture"
};
SamplerInfo defaultSamplerInfo = {
.min = FILTER_LINEAR,
.mag = FILTER_LINEAR,
.mip = FILTER_LINEAR,
.wrap = { WRAP_REPEAT, WRAP_REPEAT, WRAP_REPEAT }
};
void* zeros;
state.defaultBuffer = lovrBufferCreate(&defaultBufferInfo, &zeros);
state.defaultTexture = lovrTextureCreate(&defaultTextureInfo);
state.defaultSampler = lovrSamplerCreate(&defaultSamplerInfo);
gpu_stream* transfers = getTransfers();
float white[4] = { 1.f, 1.f, 1.f, 1.f };
gpu_clear_texture(transfers, state.defaultTexture->gpu, 0, 1, 0, 1, white);
if (!zeros) {
gpu_buffer* scratchpad = tempAlloc(gpu_sizeof_buffer());
zeros = gpu_map(scratchpad, defaultBufferInfo.length, 4, GPU_MAP_WRITE);
gpu_copy_buffers(transfers, scratchpad, state.defaultBuffer->gpu, 0, 0, defaultBufferInfo.length);
}
memset(zeros, 0, defaultBufferInfo.length);
state.initialized = true;
return true;
}
void lovrGraphicsDestroy() {
if (!state.initialized) return;
lovrRelease(&state.defaultBuffer, lovrBufferDestroy);
lovrRelease(&state.defaultTexture, lovrTextureDestroy);
lovrRelease(&state.defaultSampler, lovrSamplerDestroy);
for (uint32_t i = 0; i < COUNTOF(state.attachments); i++) {
if (state.attachments[i].texture) {
gpu_texture_destroy(state.attachments[i].texture);