mirror of
https://github.com/libretro/RetroArch.git
synced 2024-11-28 10:40:39 +00:00
281 lines
9.2 KiB
C
281 lines
9.2 KiB
C
/* RetroArch - A frontend for libretro.
|
|
* Copyright (C) 2014-2018 - Ali Bouhlel
|
|
*
|
|
* RetroArch is free software: you can redistribute it and/or modify it under the terms
|
|
* of the GNU General Public License as published by the Free Software Found-
|
|
* ation, either version 3 of the License, or (at your option) any later version.
|
|
*
|
|
* RetroArch is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
|
|
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
|
|
* PURPOSE. See the GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License along with RetroArch.
|
|
* If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#define CINTERFACE
|
|
|
|
#include <string.h>
|
|
|
|
#include "d3d11_common.h"
|
|
#include "d3dcompiler_common.h"
|
|
|
|
#if defined(HAVE_DYNAMIC) && !defined(__WINRT__)
|
|
#include <dynamic/dylib.h>
|
|
|
|
HRESULT WINAPI D3D11CreateDevice(
|
|
IDXGIAdapter* pAdapter,
|
|
D3D_DRIVER_TYPE DriverType,
|
|
HMODULE Software,
|
|
UINT Flags,
|
|
CONST D3D_FEATURE_LEVEL* pFeatureLevels,
|
|
UINT FeatureLevels,
|
|
UINT SDKVersion,
|
|
ID3D11Device** ppDevice,
|
|
D3D_FEATURE_LEVEL* pFeatureLevel,
|
|
ID3D11DeviceContext** ppImmediateContext)
|
|
{
|
|
static dylib_t d3d11_dll;
|
|
static PFN_D3D11_CREATE_DEVICE fp;
|
|
|
|
if (!d3d11_dll)
|
|
d3d11_dll = dylib_load("d3d11.dll");
|
|
|
|
if (!d3d11_dll)
|
|
return TYPE_E_CANTLOADLIBRARY;
|
|
|
|
if (!fp)
|
|
fp = (PFN_D3D11_CREATE_DEVICE)dylib_proc(
|
|
d3d11_dll, "D3D11CreateDevice");
|
|
|
|
if (!fp)
|
|
return TYPE_E_DLLFUNCTIONNOTFOUND;
|
|
|
|
return fp(
|
|
pAdapter, DriverType, Software, Flags, pFeatureLevels, FeatureLevels, SDKVersion,
|
|
ppDevice, pFeatureLevel, ppImmediateContext);
|
|
}
|
|
|
|
HRESULT WINAPI D3D11CreateDeviceAndSwapChain(
|
|
IDXGIAdapter* pAdapter,
|
|
D3D_DRIVER_TYPE DriverType,
|
|
HMODULE Software,
|
|
UINT Flags,
|
|
CONST D3D_FEATURE_LEVEL* pFeatureLevels,
|
|
UINT FeatureLevels,
|
|
UINT SDKVersion,
|
|
CONST DXGI_SWAP_CHAIN_DESC* pSwapChainDesc,
|
|
IDXGISwapChain** ppSwapChain,
|
|
ID3D11Device** ppDevice,
|
|
D3D_FEATURE_LEVEL* pFeatureLevel,
|
|
ID3D11DeviceContext** ppImmediateContext)
|
|
{
|
|
static dylib_t d3d11_dll;
|
|
static PFN_D3D11_CREATE_DEVICE_AND_SWAP_CHAIN fp;
|
|
|
|
if (!d3d11_dll)
|
|
d3d11_dll = dylib_load("d3d11.dll");
|
|
|
|
if (!d3d11_dll)
|
|
return TYPE_E_CANTLOADLIBRARY;
|
|
|
|
if (!fp)
|
|
fp = (PFN_D3D11_CREATE_DEVICE_AND_SWAP_CHAIN)dylib_proc(
|
|
d3d11_dll, "D3D11CreateDeviceAndSwapChain");
|
|
|
|
if (!fp)
|
|
return TYPE_E_DLLFUNCTIONNOTFOUND;
|
|
|
|
return fp(
|
|
pAdapter, DriverType, Software, Flags, pFeatureLevels, FeatureLevels, SDKVersion,
|
|
pSwapChainDesc, ppSwapChain, ppDevice, pFeatureLevel, ppImmediateContext);
|
|
}
|
|
#endif
|
|
|
|
void d3d11_init_texture(D3D11Device device, d3d11_texture_t* texture)
|
|
{
|
|
bool is_render_target = texture->desc.BindFlags & D3D11_BIND_RENDER_TARGET;
|
|
UINT format_support = D3D11_FORMAT_SUPPORT_TEXTURE2D | D3D11_FORMAT_SUPPORT_SHADER_SAMPLE;
|
|
|
|
d3d11_release_texture(texture);
|
|
|
|
texture->desc.MipLevels = 1;
|
|
texture->desc.ArraySize = 1;
|
|
texture->desc.SampleDesc.Count = 1;
|
|
texture->desc.SampleDesc.Quality = 0;
|
|
texture->desc.BindFlags |= D3D11_BIND_SHADER_RESOURCE;
|
|
texture->desc.CPUAccessFlags =
|
|
texture->desc.Usage == D3D11_USAGE_DYNAMIC ? D3D11_CPU_ACCESS_WRITE : 0;
|
|
|
|
if (texture->desc.MiscFlags & D3D11_RESOURCE_MISC_GENERATE_MIPS)
|
|
{
|
|
unsigned width, height;
|
|
|
|
texture->desc.BindFlags |= D3D11_BIND_RENDER_TARGET;
|
|
width = texture->desc.Width >> 5;
|
|
height = texture->desc.Height >> 5;
|
|
|
|
while (width && height)
|
|
{
|
|
width >>= 1;
|
|
height >>= 1;
|
|
texture->desc.MipLevels++;
|
|
}
|
|
}
|
|
|
|
if (texture->desc.BindFlags & D3D11_BIND_RENDER_TARGET)
|
|
format_support |= D3D11_FORMAT_SUPPORT_RENDER_TARGET;
|
|
|
|
texture->desc.Format = d3d11_get_closest_match(device, texture->desc.Format, format_support);
|
|
|
|
D3D11CreateTexture2D(device, &texture->desc, NULL, &texture->handle);
|
|
|
|
{
|
|
D3D11_SHADER_RESOURCE_VIEW_DESC view_desc = { DXGI_FORMAT_UNKNOWN };
|
|
view_desc.Format = texture->desc.Format;
|
|
view_desc.ViewDimension = D3D_SRV_DIMENSION_TEXTURE2D;
|
|
view_desc.Texture2D.MostDetailedMip = 0;
|
|
view_desc.Texture2D.MipLevels = -1;
|
|
D3D11CreateTexture2DShaderResourceView(device, texture->handle, &view_desc, &texture->view);
|
|
}
|
|
|
|
if (is_render_target)
|
|
D3D11CreateTexture2DRenderTargetView(device, texture->handle, NULL, &texture->rt_view);
|
|
else
|
|
{
|
|
D3D11_TEXTURE2D_DESC desc = texture->desc;
|
|
desc.MipLevels = 1;
|
|
desc.BindFlags = 0;
|
|
desc.MiscFlags = 0;
|
|
desc.Usage = D3D11_USAGE_STAGING;
|
|
desc.CPUAccessFlags = D3D11_CPU_ACCESS_WRITE;
|
|
D3D11CreateTexture2D(device, &desc, NULL, &texture->staging);
|
|
}
|
|
|
|
texture->size_data.x = texture->desc.Width;
|
|
texture->size_data.y = texture->desc.Height;
|
|
texture->size_data.z = 1.0f / texture->desc.Width;
|
|
texture->size_data.w = 1.0f / texture->desc.Height;
|
|
}
|
|
|
|
void d3d11_update_texture(
|
|
D3D11DeviceContext ctx,
|
|
unsigned width,
|
|
unsigned height,
|
|
unsigned pitch,
|
|
DXGI_FORMAT format,
|
|
const void* data,
|
|
d3d11_texture_t* texture)
|
|
{
|
|
D3D11_MAPPED_SUBRESOURCE mapped_texture;
|
|
D3D11_BOX frame_box = { 0, 0, 0, width, height, 1 };
|
|
|
|
if (!texture || !texture->staging)
|
|
return;
|
|
|
|
D3D11MapTexture2D(ctx, texture->staging,
|
|
0, D3D11_MAP_WRITE, 0, &mapped_texture);
|
|
|
|
#if 0
|
|
PERF_START();
|
|
conv_rgb565_argb8888(mapped_texture.pData, data, width, height,
|
|
mapped_texture.RowPitch, pitch);
|
|
PERF_STOP();
|
|
#else
|
|
dxgi_copy(
|
|
width, height, format, pitch, data,
|
|
texture->desc.Format, mapped_texture.RowPitch,
|
|
mapped_texture.pData);
|
|
#endif
|
|
|
|
D3D11UnmapTexture2D(ctx, texture->staging, 0);
|
|
|
|
D3D11CopyTexture2DSubresourceRegion(
|
|
ctx, texture->handle, 0, 0, 0, 0, texture->staging, 0, &frame_box);
|
|
|
|
if (texture->desc.MiscFlags & D3D11_RESOURCE_MISC_GENERATE_MIPS)
|
|
D3D11GenerateMips(ctx, texture->view);
|
|
}
|
|
|
|
DXGI_FORMAT
|
|
d3d11_get_closest_match(D3D11Device device, DXGI_FORMAT desired_format, UINT desired_format_support)
|
|
{
|
|
DXGI_FORMAT default_list[] = {desired_format, DXGI_FORMAT_UNKNOWN};
|
|
DXGI_FORMAT* format = dxgi_get_format_fallback_list(desired_format);
|
|
|
|
if(!format)
|
|
format = default_list;
|
|
|
|
while (*format != DXGI_FORMAT_UNKNOWN)
|
|
{
|
|
UINT format_support;
|
|
if (SUCCEEDED(D3D11CheckFormatSupport(device, *format, &format_support)) &&
|
|
((format_support & desired_format_support) == desired_format_support))
|
|
break;
|
|
format++;
|
|
}
|
|
assert(*format);
|
|
return *format;
|
|
}
|
|
|
|
bool d3d11_init_shader(
|
|
D3D11Device device,
|
|
const char* src,
|
|
size_t size,
|
|
const void* src_name,
|
|
LPCSTR vs_entry,
|
|
LPCSTR ps_entry,
|
|
LPCSTR gs_entry,
|
|
const D3D11_INPUT_ELEMENT_DESC* input_element_descs,
|
|
UINT num_elements,
|
|
d3d11_shader_t* out)
|
|
{
|
|
D3DBlob vs_code = NULL;
|
|
D3DBlob ps_code = NULL;
|
|
D3DBlob gs_code = NULL;
|
|
|
|
bool success = true;
|
|
|
|
if (!src) /* LPCWSTR filename */
|
|
{
|
|
if (vs_entry && !d3d_compile_from_file((LPCWSTR)src_name, vs_entry, "vs_4_0", &vs_code))
|
|
success = false;
|
|
if (ps_entry && !d3d_compile_from_file((LPCWSTR)src_name, ps_entry, "ps_4_0", &ps_code))
|
|
success = false;
|
|
if (gs_entry && !d3d_compile_from_file((LPCWSTR)src_name, gs_entry, "gs_4_0", &gs_code))
|
|
success = false;
|
|
}
|
|
else /* char array */
|
|
{
|
|
if (vs_entry && !d3d_compile(src, size, (LPCSTR)src_name, vs_entry, "vs_4_0", &vs_code))
|
|
success = false;
|
|
if (ps_entry && !d3d_compile(src, size, (LPCSTR)src_name, ps_entry, "ps_4_0", &ps_code))
|
|
success = false;
|
|
if (gs_entry && !d3d_compile(src, size, (LPCSTR)src_name, gs_entry, "gs_4_0", &gs_code))
|
|
success = false;
|
|
}
|
|
|
|
if (vs_code)
|
|
D3D11CreateVertexShader(
|
|
device, D3DGetBufferPointer(vs_code), D3DGetBufferSize(vs_code), NULL, &out->vs);
|
|
|
|
if (ps_code)
|
|
D3D11CreatePixelShader(
|
|
device, D3DGetBufferPointer(ps_code), D3DGetBufferSize(ps_code), NULL, &out->ps);
|
|
|
|
if (gs_code)
|
|
D3D11CreateGeometryShader(
|
|
device, D3DGetBufferPointer(gs_code), D3DGetBufferSize(gs_code), NULL, &out->gs);
|
|
|
|
if (vs_code && input_element_descs)
|
|
D3D11CreateInputLayout(
|
|
device, input_element_descs, num_elements, D3DGetBufferPointer(vs_code),
|
|
D3DGetBufferSize(vs_code), &out->layout);
|
|
|
|
Release(vs_code);
|
|
Release(ps_code);
|
|
Release(gs_code);
|
|
|
|
return success;
|
|
}
|