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Caching index buffers.

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This commit is contained in:
Ben Vanik
2014-05-31 22:26:39 -07:00
parent 19c48c7a90
commit 2d173ea62b
14 changed files with 471 additions and 42 deletions
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47
src/xenia/gpu/d3d11/d3d11_graphics_driver.cc
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@@ -10,6 +10,8 @@
#include <xenia/gpu/d3d11/d3d11_graphics_driver.h>
#include <xenia/gpu/gpu-private.h>
#include <xenia/gpu/d3d11/d3d11_buffer.h>
#include <xenia/gpu/d3d11/d3d11_buffer_cache.h>
#include <xenia/gpu/d3d11/d3d11_geometry_shader.h>
#include <xenia/gpu/d3d11/d3d11_shader.h>
#include <xenia/gpu/d3d11/d3d11_shader_cache.h>
@@ -33,6 +35,7 @@ D3D11GraphicsDriver::D3D11GraphicsDriver(
device_ = device;
device_->AddRef();
device_->GetImmediateContext(&context_);
buffer_cache_ = new D3D11BufferCache(context_, device_);
shader_cache_ = new D3D11ShaderCache(device_);
texture_cache_ = new D3D11TextureCache(memory_, context_, device_);
@@ -136,6 +139,7 @@ D3D11GraphicsDriver::~D3D11GraphicsDriver() {
XESAFERELEASE(state_.constant_buffers.gs_consts);
XESAFERELEASE(invalid_texture_view_);
XESAFERELEASE(invalid_texture_sampler_state_);
delete buffer_cache_;
delete texture_cache_;
delete shader_cache_;
XESAFERELEASE(context_);
@@ -1098,43 +1102,20 @@ int D3D11GraphicsDriver::PrepareIndexBuffer(
uint32_t address = index_base + address_translation_;
// All that's done so far:
XEASSERT(endianness == 0x2);
ID3D11Buffer* buffer = 0;
D3D11_BUFFER_DESC buffer_desc;
xe_zero_struct(&buffer_desc, sizeof(buffer_desc));
buffer_desc.ByteWidth = index_size;
buffer_desc.Usage = D3D11_USAGE_DYNAMIC;
buffer_desc.BindFlags = D3D11_BIND_INDEX_BUFFER;
buffer_desc.CPUAccessFlags = D3D11_CPU_ACCESS_WRITE;
device_->CreateBuffer(&buffer_desc, NULL, &buffer);
D3D11_MAPPED_SUBRESOURCE res;
context_->Map(buffer, 0, D3D11_MAP_WRITE_DISCARD, 0, &res);
if (index_32bit) {
uint32_t* src = (uint32_t*)memory_->Translate(address);
uint32_t* dest = (uint32_t*)res.pData;
for (uint32_t n = 0; n < index_count; n++) {
uint32_t d = { XESWAP32(src[n]) };
//XELOGGPU("i%.4d %0.8X", n, d);
dest[n] = d;
}
} else {
uint16_t* src = (uint16_t*)memory_->Translate(address);
uint16_t* dest = (uint16_t*)res.pData;
for (uint32_t n = 0; n < index_count; n++) {
uint16_t d = XESWAP16(src[n]);
//XELOGGPU("i%.4d, %.4X", n, d);
dest[n] = d;
}
IndexBufferInfo info;
info.endianness = endianness;
info.index_32bit = index_32bit;
info.index_count = index_count;
info.index_size = index_size;
auto ib = static_cast<D3D11IndexBuffer*>(buffer_cache_->FetchIndexBuffer(
info, memory_->Translate(address), index_size));
if (!ib) {
return 1;
}
context_->Unmap(buffer, 0);
DXGI_FORMAT format;
format = index_32bit ? DXGI_FORMAT_R32_UINT : DXGI_FORMAT_R16_UINT;
context_->IASetIndexBuffer(buffer, format, 0);
buffer->Release();
context_->IASetIndexBuffer(ib->handle(), format, 0);
return 0;
}