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lovr
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This commit is contained in:
bjorn 2022-05-31 21:41:43 -07:00
parent 0104fe1910
commit 8431fc72ba
1 changed files with 13 additions and 29 deletions
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42
src/modules/graphics/graphics.c
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@ -262,11 +262,15 @@ bool lovrGraphicsInit(bool debug, bool vsync) {
lovrThrow("Failed to initialize GPU");
}
// Temporary frame memory uses a large 1GB virtual memory allocation, committing pages as needed
state.allocator.length = 1 << 14;
state.allocator.memory = os_vm_init(MAX_FRAME_MEMORY);
os_vm_commit(state.allocator.memory, state.allocator.length);
map_init(&state.pipelineLookup, 64);
arr_init(&state.pipelines, realloc);
arr_init(&state.layouts, realloc);
// Layout for builtin bindings
gpu_slot builtins[] = {
{ 0, GPU_SLOT_UNIFORM_BUFFER, GPU_STAGE_ALL }, // Cameras
{ 1, GPU_SLOT_UNIFORM_BUFFER, GPU_STAGE_ALL }, // Draw data
@ -275,19 +279,13 @@ bool lovrGraphicsInit(bool debug, bool vsync) {
state.builtinLayout = getLayout(builtins, COUNTOF(builtins));
// Temporary frame memory uses a large 1GB virtual memory allocation, committing pages as needed
state.allocator.length = 1 << 14;
state.allocator.memory = os_vm_init(MAX_FRAME_MEMORY);
os_vm_commit(state.allocator.memory, state.allocator.length);
// Default resources
BufferInfo defaultBufferInfo = {
state.defaultBuffer = lovrBufferCreate(&(BufferInfo) {
.length = 4096,
.stride = 1,
.label = "Default Buffer"
};
}, NULL);
TextureInfo defaultTextureInfo = {
state.defaultTexture = lovrTextureCreate(&(TextureInfo) {
.type = TEXTURE_2D,
.usage = TEXTURE_SAMPLE | TEXTURE_TRANSFER,
.format = FORMAT_RGBA8,
@ -298,32 +296,18 @@ bool lovrGraphicsInit(bool debug, bool vsync) {
.samples = 1,
.srgb = true,
.label = "Default Texture"
};
});
SamplerInfo defaultSamplerInfo = {
state.defaultSampler = lovrSamplerCreate(&(SamplerInfo) {
.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, white, 0, ~0u, 0, ~0u);
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);
gpu_clear_buffer(transfers, state.defaultBuffer->gpu, 0, 4096);
gpu_clear_texture(transfers, state.defaultTexture->gpu, (float[4]) { 1.f, 1.f, 1.f, 1.f }, 0, ~0u, 0, ~0u);
state.vertexFormats[VERTEX_POINT].gpu = (gpu_vertex_format) {
.bufferCount = 2,