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SDL_d3drender.c
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SDL_d3drender.c
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/*
SDL - Simple DirectMedia Layer
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Copyright (C) 1997-2010 Sam Lantinga
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This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
Sam Lantinga
slouken@libsdl.org
*/
#include "SDL_config.h"
#if SDL_VIDEO_RENDER_D3D
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#include "../../core/windows/SDL_windows.h"
#include "SDL_loadso.h"
#include "SDL_syswm.h"
#include "../SDL_sysrender.h"
#if SDL_VIDEO_RENDER_D3D
#define D3D_DEBUG_INFO
#include <d3d9.h>
#endif
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#ifdef ASSEMBLE_SHADER
///////////////////////////////////////////////////////////////////////////
// ID3DXBuffer:
// ------------
// The buffer object is used by D3DX to return arbitrary size data.
//
// GetBufferPointer -
// Returns a pointer to the beginning of the buffer.
//
// GetBufferSize -
// Returns the size of the buffer, in bytes.
///////////////////////////////////////////////////////////////////////////
typedef interface ID3DXBuffer ID3DXBuffer;
typedef interface ID3DXBuffer *LPD3DXBUFFER;
// {8BA5FB08-5195-40e2-AC58-0D989C3A0102}
DEFINE_GUID(IID_ID3DXBuffer,
0x8ba5fb08, 0x5195, 0x40e2, 0xac, 0x58, 0xd, 0x98, 0x9c, 0x3a, 0x1, 0x2);
#undef INTERFACE
#define INTERFACE ID3DXBuffer
typedef interface ID3DXBuffer {
const struct ID3DXBufferVtbl FAR* lpVtbl;
} ID3DXBuffer;
typedef const struct ID3DXBufferVtbl ID3DXBufferVtbl;
const struct ID3DXBufferVtbl
{
// IUnknown
STDMETHOD(QueryInterface)(THIS_ REFIID iid, LPVOID *ppv) PURE;
STDMETHOD_(ULONG, AddRef)(THIS) PURE;
STDMETHOD_(ULONG, Release)(THIS) PURE;
// ID3DXBuffer
STDMETHOD_(LPVOID, GetBufferPointer)(THIS) PURE;
STDMETHOD_(DWORD, GetBufferSize)(THIS) PURE;
};
HRESULT WINAPI
D3DXAssembleShader(
LPCSTR pSrcData,
UINT SrcDataLen,
CONST LPVOID* pDefines,
LPVOID pInclude,
DWORD Flags,
LPD3DXBUFFER* ppShader,
LPD3DXBUFFER* ppErrorMsgs);
#endif /* ASSEMBLE_SHADER */
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/* Direct3D renderer implementation */
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static SDL_Renderer *D3D_CreateRenderer(SDL_Window * window, Uint32 flags);
static int D3D_CreateTexture(SDL_Renderer * renderer, SDL_Texture * texture);
static int D3D_UpdateTexture(SDL_Renderer * renderer, SDL_Texture * texture,
const SDL_Rect * rect, const void *pixels,
int pitch);
static int D3D_LockTexture(SDL_Renderer * renderer, SDL_Texture * texture,
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const SDL_Rect * rect, void **pixels, int *pitch);
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static void D3D_UnlockTexture(SDL_Renderer * renderer, SDL_Texture * texture);
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static int D3D_RenderDrawPoints(SDL_Renderer * renderer,
const SDL_Point * points, int count);
static int D3D_RenderDrawLines(SDL_Renderer * renderer,
const SDL_Point * points, int count);
static int D3D_RenderFillRects(SDL_Renderer * renderer,
const SDL_Rect ** rects, int count);
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static int D3D_RenderCopy(SDL_Renderer * renderer, SDL_Texture * texture,
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const SDL_Rect * srcrect, const SDL_Rect * dstrect);
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static int D3D_RenderReadPixels(SDL_Renderer * renderer, const SDL_Rect * rect,
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Uint32 format, void * pixels, int pitch);
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static void D3D_RenderPresent(SDL_Renderer * renderer);
static void D3D_DestroyTexture(SDL_Renderer * renderer,
SDL_Texture * texture);
static void D3D_DestroyRenderer(SDL_Renderer * renderer);
SDL_RenderDriver D3D_RenderDriver = {
D3D_CreateRenderer,
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{
"d3d",
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(SDL_RENDERER_PRESENTVSYNC | SDL_RENDERER_ACCELERATED),
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1,
{SDL_PIXELFORMAT_ARGB8888},
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0,
0}
};
typedef struct
{
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void* d3dDLL;
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IDirect3D9 *d3d;
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IDirect3DDevice9 *device;
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UINT adapter;
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D3DPRESENT_PARAMETERS pparams;
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SDL_bool beginScene;
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} D3D_RenderData;
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typedef struct
{
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IDirect3DTexture9 *texture;
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} D3D_TextureData;
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typedef struct
{
float x, y, z;
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float rhw;
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DWORD color;
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float u, v;
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} Vertex;
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static void
D3D_SetError(const char *prefix, HRESULT result)
{
const char *error;
switch (result) {
case D3DERR_WRONGTEXTUREFORMAT:
error = "WRONGTEXTUREFORMAT";
break;
case D3DERR_UNSUPPORTEDCOLOROPERATION:
error = "UNSUPPORTEDCOLOROPERATION";
break;
case D3DERR_UNSUPPORTEDCOLORARG:
error = "UNSUPPORTEDCOLORARG";
break;
case D3DERR_UNSUPPORTEDALPHAOPERATION:
error = "UNSUPPORTEDALPHAOPERATION";
break;
case D3DERR_UNSUPPORTEDALPHAARG:
error = "UNSUPPORTEDALPHAARG";
break;
case D3DERR_TOOMANYOPERATIONS:
error = "TOOMANYOPERATIONS";
break;
case D3DERR_CONFLICTINGTEXTUREFILTER:
error = "CONFLICTINGTEXTUREFILTER";
break;
case D3DERR_UNSUPPORTEDFACTORVALUE:
error = "UNSUPPORTEDFACTORVALUE";
break;
case D3DERR_CONFLICTINGRENDERSTATE:
error = "CONFLICTINGRENDERSTATE";
break;
case D3DERR_UNSUPPORTEDTEXTUREFILTER:
error = "UNSUPPORTEDTEXTUREFILTER";
break;
case D3DERR_CONFLICTINGTEXTUREPALETTE:
error = "CONFLICTINGTEXTUREPALETTE";
break;
case D3DERR_DRIVERINTERNALERROR:
error = "DRIVERINTERNALERROR";
break;
case D3DERR_NOTFOUND:
error = "NOTFOUND";
break;
case D3DERR_MOREDATA:
error = "MOREDATA";
break;
case D3DERR_DEVICELOST:
error = "DEVICELOST";
break;
case D3DERR_DEVICENOTRESET:
error = "DEVICENOTRESET";
break;
case D3DERR_NOTAVAILABLE:
error = "NOTAVAILABLE";
break;
case D3DERR_OUTOFVIDEOMEMORY:
error = "OUTOFVIDEOMEMORY";
break;
case D3DERR_INVALIDDEVICE:
error = "INVALIDDEVICE";
break;
case D3DERR_INVALIDCALL:
error = "INVALIDCALL";
break;
case D3DERR_DRIVERINVALIDCALL:
error = "DRIVERINVALIDCALL";
break;
case D3DERR_WASSTILLDRAWING:
error = "WASSTILLDRAWING";
break;
default:
error = "UNKNOWN";
break;
}
SDL_SetError("%s: %s", prefix, error);
}
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static D3DFORMAT
PixelFormatToD3DFMT(Uint32 format)
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{
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switch (format) {
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case SDL_PIXELFORMAT_RGB565:
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return D3DFMT_R5G6B5;
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case SDL_PIXELFORMAT_RGB888:
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return D3DFMT_X8R8G8B8;
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case SDL_PIXELFORMAT_ARGB8888:
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return D3DFMT_A8R8G8B8;
default:
return D3DFMT_UNKNOWN;
}
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}
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static Uint32
D3DFMTToPixelFormat(D3DFORMAT format)
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{
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switch (format) {
case D3DFMT_R5G6B5:
return SDL_PIXELFORMAT_RGB565;
case D3DFMT_X8R8G8B8:
return SDL_PIXELFORMAT_RGB888;
case D3DFMT_A8R8G8B8:
return SDL_PIXELFORMAT_ARGB8888;
default:
return SDL_PIXELFORMAT_UNKNOWN;
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}
}
SDL_Renderer *
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D3D_CreateRenderer(SDL_Window * window, Uint32 flags)
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{
SDL_Renderer *renderer;
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D3D_RenderData *data;
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SDL_SysWMinfo windowinfo;
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HRESULT result;
D3DPRESENT_PARAMETERS pparams;
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IDirect3DSwapChain9 *chain;
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D3DCAPS9 caps;
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Uint32 window_flags;
int w, h;
SDL_DisplayMode fullscreen_mode;
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renderer = (SDL_Renderer *) SDL_calloc(1, sizeof(*renderer));
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if (!renderer) {
SDL_OutOfMemory();
return NULL;
}
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data = (D3D_RenderData *) SDL_calloc(1, sizeof(*data));
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if (!data) {
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SDL_free(renderer);
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SDL_OutOfMemory();
return NULL;
}
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data->d3dDLL = SDL_LoadObject("D3D9.DLL");
if (data->d3dDLL) {
IDirect3D9 *(WINAPI * D3DCreate) (UINT SDKVersion);
D3DCreate =
(IDirect3D9 * (WINAPI *) (UINT)) SDL_LoadFunction(data->d3dDLL,
"Direct3DCreate9");
if (D3DCreate) {
data->d3d = D3DCreate(D3D_SDK_VERSION);
}
if (!data->d3d) {
SDL_UnloadObject(data->d3dDLL);
data->d3dDLL = NULL;
}
}
if (!data->d3d) {
SDL_free(renderer);
SDL_free(data);
SDL_SetError("Unable to create Direct3D interface");
return NULL;
}
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renderer->CreateTexture = D3D_CreateTexture;
renderer->UpdateTexture = D3D_UpdateTexture;
renderer->LockTexture = D3D_LockTexture;
renderer->UnlockTexture = D3D_UnlockTexture;
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renderer->RenderDrawPoints = D3D_RenderDrawPoints;
renderer->RenderDrawLines = D3D_RenderDrawLines;
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renderer->RenderFillRects = D3D_RenderFillRects;
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renderer->RenderCopy = D3D_RenderCopy;
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renderer->RenderReadPixels = D3D_RenderReadPixels;
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renderer->RenderPresent = D3D_RenderPresent;
renderer->DestroyTexture = D3D_DestroyTexture;
renderer->DestroyRenderer = D3D_DestroyRenderer;
renderer->info = D3D_RenderDriver.info;
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renderer->driverdata = data;
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renderer->info.flags = SDL_RENDERER_ACCELERATED;
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SDL_VERSION(&windowinfo.version);
SDL_GetWindowWMInfo(window, &windowinfo);
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window_flags = SDL_GetWindowFlags(window);
SDL_GetWindowSize(window, &w, &h);
SDL_GetWindowDisplayMode(window, &fullscreen_mode);
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SDL_zero(pparams);
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pparams.hDeviceWindow = windowinfo.info.win.window;
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pparams.BackBufferWidth = w;
pparams.BackBufferHeight = h;
if (window_flags & SDL_WINDOW_FULLSCREEN) {
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pparams.BackBufferFormat =
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PixelFormatToD3DFMT(fullscreen_mode.format);
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} else {
pparams.BackBufferFormat = D3DFMT_UNKNOWN;
}
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pparams.BackBufferCount = 1;
pparams.SwapEffect = D3DSWAPEFFECT_DISCARD;
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if (window_flags & SDL_WINDOW_FULLSCREEN) {
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pparams.Windowed = FALSE;
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pparams.FullScreen_RefreshRateInHz =
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fullscreen_mode.refresh_rate;
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} else {
pparams.Windowed = TRUE;
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pparams.FullScreen_RefreshRateInHz = 0;
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}
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if (flags & SDL_RENDERER_PRESENTVSYNC) {
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pparams.PresentationInterval = D3DPRESENT_INTERVAL_ONE;
} else {
pparams.PresentationInterval = D3DPRESENT_INTERVAL_IMMEDIATE;
}
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/* FIXME: Which adapter? */
data->adapter = D3DADAPTER_DEFAULT;
IDirect3D9_GetDeviceCaps(data->d3d, data->adapter, D3DDEVTYPE_HAL, &caps);
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result = IDirect3D9_CreateDevice(data->d3d, data->adapter,
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D3DDEVTYPE_HAL,
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pparams.hDeviceWindow,
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(caps.
DevCaps &
D3DDEVCAPS_HWTRANSFORMANDLIGHT) ?
D3DCREATE_HARDWARE_VERTEXPROCESSING :
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D3DCREATE_SOFTWARE_VERTEXPROCESSING,
&pparams, &data->device);
if (FAILED(result)) {
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D3D_DestroyRenderer(renderer);
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D3D_SetError("CreateDevice()", result);
return NULL;
}
data->beginScene = SDL_TRUE;
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/* Get presentation parameters to fill info */
result = IDirect3DDevice9_GetSwapChain(data->device, 0, &chain);
if (FAILED(result)) {
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D3D_DestroyRenderer(renderer);
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D3D_SetError("GetSwapChain()", result);
return NULL;
}
result = IDirect3DSwapChain9_GetPresentParameters(chain, &pparams);
if (FAILED(result)) {
IDirect3DSwapChain9_Release(chain);
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D3D_DestroyRenderer(renderer);
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D3D_SetError("GetPresentParameters()", result);
return NULL;
}
IDirect3DSwapChain9_Release(chain);
if (pparams.PresentationInterval == D3DPRESENT_INTERVAL_ONE) {
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renderer->info.flags |= SDL_RENDERER_PRESENTVSYNC;
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}
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data->pparams = pparams;
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IDirect3DDevice9_GetDeviceCaps(data->device, &caps);
renderer->info.max_texture_width = caps.MaxTextureWidth;
renderer->info.max_texture_height = caps.MaxTextureHeight;
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/* Set up parameters for rendering */
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IDirect3DDevice9_SetVertexShader(data->device, NULL);
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IDirect3DDevice9_SetFVF(data->device,
D3DFVF_XYZRHW | D3DFVF_DIFFUSE | D3DFVF_TEX1);
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IDirect3DDevice9_SetRenderState(data->device, D3DRS_ZENABLE, D3DZB_FALSE);
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IDirect3DDevice9_SetRenderState(data->device, D3DRS_CULLMODE,
D3DCULL_NONE);
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IDirect3DDevice9_SetRenderState(data->device, D3DRS_LIGHTING, FALSE);
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/* Enable color modulation by diffuse color */
IDirect3DDevice9_SetTextureStageState(data->device, 0, D3DTSS_COLOROP,
D3DTOP_MODULATE);
IDirect3DDevice9_SetTextureStageState(data->device, 0, D3DTSS_COLORARG1,
D3DTA_TEXTURE);
IDirect3DDevice9_SetTextureStageState(data->device, 0, D3DTSS_COLORARG2,
D3DTA_DIFFUSE);
/* Enable alpha modulation by diffuse alpha */
IDirect3DDevice9_SetTextureStageState(data->device, 0, D3DTSS_ALPHAOP,
D3DTOP_MODULATE);
IDirect3DDevice9_SetTextureStageState(data->device, 0, D3DTSS_ALPHAARG1,
D3DTA_TEXTURE);
IDirect3DDevice9_SetTextureStageState(data->device, 0, D3DTSS_ALPHAARG2,
D3DTA_DIFFUSE);
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/* Disable second texture stage, since we're done */
IDirect3DDevice9_SetTextureStageState(data->device, 1, D3DTSS_COLOROP,
D3DTOP_DISABLE);
IDirect3DDevice9_SetTextureStageState(data->device, 1, D3DTSS_ALPHAOP,
D3DTOP_DISABLE);
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return renderer;
}
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static int
D3D_Reset(SDL_Renderer * renderer)
{
D3D_RenderData *data = (D3D_RenderData *) renderer->driverdata;
HRESULT result;
result = IDirect3DDevice9_Reset(data->device, &data->pparams);
if (FAILED(result)) {
if (result == D3DERR_DEVICELOST) {
/* Don't worry about it, we'll reset later... */
return 0;
} else {
D3D_SetError("Reset()", result);
return -1;
}
}
IDirect3DDevice9_SetVertexShader(data->device, NULL);
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IDirect3DDevice9_SetFVF(data->device,
D3DFVF_XYZRHW | D3DFVF_DIFFUSE | D3DFVF_TEX1);
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IDirect3DDevice9_SetRenderState(data->device, D3DRS_CULLMODE,
D3DCULL_NONE);
IDirect3DDevice9_SetRenderState(data->device, D3DRS_LIGHTING, FALSE);
return 0;
}
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/* FIXME: This needs to be called... when? */
#if 0
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static int
D3D_DisplayModeChanged(SDL_Renderer * renderer)
{
D3D_RenderData *data = (D3D_RenderData *) renderer->driverdata;
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SDL_Window *window = renderer->window;
SDL_VideoDisplay *display = window->display;
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data->pparams.BackBufferWidth = window->w;
data->pparams.BackBufferHeight = window->h;
if (window->flags & SDL_WINDOW_FULLSCREEN) {
data->pparams.BackBufferFormat =
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PixelFormatToD3DFMT(window->fullscreen_mode.format);
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} else {
data->pparams.BackBufferFormat = D3DFMT_UNKNOWN;
}
return D3D_Reset(renderer);
}
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#endif
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static int
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D3D_CreateTexture(SDL_Renderer * renderer, SDL_Texture * texture)
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{
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D3D_RenderData *renderdata = (D3D_RenderData *) renderer->driverdata;
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SDL_Window *window = renderer->window;
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D3DFORMAT display_format = renderdata->pparams.BackBufferFormat;
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D3D_TextureData *data;
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D3DPOOL pool;
DWORD usage;
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HRESULT result;
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data = (D3D_TextureData *) SDL_calloc(1, sizeof(*data));
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if (!data) {
SDL_OutOfMemory();
return -1;
}
texture->driverdata = data;
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#ifdef USE_DYNAMIC_TEXTURE
if (texture->access == SDL_TEXTUREACCESS_STREAMING) {
pool = D3DPOOL_DEFAULT;
usage = D3DUSAGE_DYNAMIC;
} else
#endif
{
pool = D3DPOOL_MANAGED;
usage = 0;
}
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result =
IDirect3DDevice9_CreateTexture(renderdata->device, texture->w,
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texture->h, 1, usage,
PixelFormatToD3DFMT(texture->format),
pool, &data->texture, NULL);
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if (FAILED(result)) {
D3D_SetError("CreateTexture()", result);
return -1;
}
return 0;
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}
static int
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D3D_UpdateTexture(SDL_Renderer * renderer, SDL_Texture * texture,
const SDL_Rect * rect, const void *pixels, int pitch)
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{
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D3D_TextureData *data = (D3D_TextureData *) texture->driverdata;
D3D_RenderData *renderdata = (D3D_RenderData *) renderer->driverdata;
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RECT d3drect;
D3DLOCKED_RECT locked;
const Uint8 *src;
Uint8 *dst;
int row, length;
HRESULT result;
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#ifdef USE_DYNAMIC_TEXTURE
if (texture->access == SDL_TEXTUREACCESS_STREAMING &&
rect->x == 0 && rect->y == 0 &&
rect->w == texture->w && rect->h == texture->h) {
result = IDirect3DTexture9_LockRect(data->texture, 0, &locked, NULL, D3DLOCK_DISCARD);
} else
#endif
{
d3drect.left = rect->x;
d3drect.right = rect->x + rect->w;
d3drect.top = rect->y;
d3drect.bottom = rect->y + rect->h;
result = IDirect3DTexture9_LockRect(data->texture, 0, &locked, &d3drect, 0);
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}
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if (FAILED(result)) {
D3D_SetError("LockRect()", result);
return -1;
}
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src = pixels;
dst = locked.pBits;
length = rect->w * SDL_BYTESPERPIXEL(texture->format);
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if (length == pitch && length == locked.Pitch) {
SDL_memcpy(dst, src, length*rect->h);
} else {
for (row = 0; row < rect->h; ++row) {
SDL_memcpy(dst, src, length);
src += pitch;
dst += locked.Pitch;
}
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}
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IDirect3DTexture9_UnlockRect(data->texture, 0);
return 0;
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}
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static int
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D3D_LockTexture(SDL_Renderer * renderer, SDL_Texture * texture,
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const SDL_Rect * rect, void **pixels, int *pitch)
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{
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D3D_TextureData *data = (D3D_TextureData *) texture->driverdata;
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RECT d3drect;
D3DLOCKED_RECT locked;
HRESULT result;
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d3drect.left = rect->x;
d3drect.right = rect->x + rect->w;
d3drect.top = rect->y;
d3drect.bottom = rect->y + rect->h;
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result = IDirect3DTexture9_LockRect(data->texture, 0, &locked, &d3drect, 0);
if (FAILED(result)) {
D3D_SetError("LockRect()", result);
return -1;
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}
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*pixels = locked.pBits;
*pitch = locked.Pitch;
return 0;
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}
static void
597
D3D_UnlockTexture(SDL_Renderer * renderer, SDL_Texture * texture)
598
{
599
D3D_TextureData *data = (D3D_TextureData *) texture->driverdata;
600
601
IDirect3DTexture9_UnlockRect(data->texture, 0);
602
603
}
604
static void
605
D3D_SetBlendMode(D3D_RenderData * data, int blendMode)
606
607
608
609
610
611
612
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614
615
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617
618
619
620
621
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623
624
625
626
627
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629
630
631
{
switch (blendMode) {
case SDL_BLENDMODE_NONE:
IDirect3DDevice9_SetRenderState(data->device, D3DRS_ALPHABLENDENABLE,
FALSE);
break;
case SDL_BLENDMODE_BLEND:
IDirect3DDevice9_SetRenderState(data->device, D3DRS_ALPHABLENDENABLE,
TRUE);
IDirect3DDevice9_SetRenderState(data->device, D3DRS_SRCBLEND,
D3DBLEND_SRCALPHA);
IDirect3DDevice9_SetRenderState(data->device, D3DRS_DESTBLEND,
D3DBLEND_INVSRCALPHA);
break;
case SDL_BLENDMODE_ADD:
IDirect3DDevice9_SetRenderState(data->device, D3DRS_ALPHABLENDENABLE,
TRUE);
IDirect3DDevice9_SetRenderState(data->device, D3DRS_SRCBLEND,
D3DBLEND_SRCALPHA);
IDirect3DDevice9_SetRenderState(data->device, D3DRS_DESTBLEND,
D3DBLEND_ONE);
break;
}
}
static int
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633
D3D_RenderDrawPoints(SDL_Renderer * renderer, const SDL_Point * points,
int count)
634
635
636
{
D3D_RenderData *data = (D3D_RenderData *) renderer->driverdata;
DWORD color;
637
638
Vertex *vertices;
int i;
639
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646
647
HRESULT result;
if (data->beginScene) {
IDirect3DDevice9_BeginScene(data->device);
data->beginScene = SDL_FALSE;
}
D3D_SetBlendMode(data, renderer->blendMode);
648
649
650
result =
IDirect3DDevice9_SetTexture(data->device, 0,
(IDirect3DBaseTexture9 *) 0);
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653
654
if (FAILED(result)) {
D3D_SetError("SetTexture()", result);
return -1;
}
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663
664
665
666
667
color = D3DCOLOR_ARGB(renderer->a, renderer->r, renderer->g, renderer->b);
vertices = SDL_stack_alloc(Vertex, count);
for (i = 0; i < count; ++i) {
vertices[i].x = (float) points[i].x;
vertices[i].y = (float) points[i].y;
vertices[i].z = 0.0f;
vertices[i].rhw = 1.0f;
vertices[i].color = color;
vertices[i].u = 0.0f;
vertices[i].v = 0.0f;
}
668
result =
669
IDirect3DDevice9_DrawPrimitiveUP(data->device, D3DPT_POINTLIST, count,
670
vertices, sizeof(*vertices));
671
SDL_stack_free(vertices);
672
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if (FAILED(result)) {
D3D_SetError("DrawPrimitiveUP()", result);
return -1;
}
return 0;
}
static int
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681
D3D_RenderDrawLines(SDL_Renderer * renderer, const SDL_Point * points,
int count)
682
683
684
{
D3D_RenderData *data = (D3D_RenderData *) renderer->driverdata;
DWORD color;
685
686
Vertex *vertices;
int i;
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HRESULT result;
if (data->beginScene) {
IDirect3DDevice9_BeginScene(data->device);
data->beginScene = SDL_FALSE;
}
D3D_SetBlendMode(data, renderer->blendMode);
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result =
IDirect3DDevice9_SetTexture(data->device, 0,
(IDirect3DBaseTexture9 *) 0);
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if (FAILED(result)) {
D3D_SetError("SetTexture()", result);
return -1;
}
703
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708
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715
color = D3DCOLOR_ARGB(renderer->a, renderer->r, renderer->g, renderer->b);
vertices = SDL_stack_alloc(Vertex, count);
for (i = 0; i < count; ++i) {
vertices[i].x = (float) points[i].x;
vertices[i].y = (float) points[i].y;
vertices[i].z = 0.0f;
vertices[i].rhw = 1.0f;
vertices[i].color = color;
vertices[i].u = 0.0f;
vertices[i].v = 0.0f;
}
716
result =
717
IDirect3DDevice9_DrawPrimitiveUP(data->device, D3DPT_LINESTRIP, count-1,
718
vertices, sizeof(*vertices));
719
720
721
722
723
724
725
726
727
/* DirectX 9 has the same line rasterization semantics as GDI,
so we need to close the endpoint of the line */
if (points[0].x != points[count-1].x || points[0].y != points[count-1].y) {
vertices[0].x = (float) points[count-1].x;
vertices[0].y = (float) points[count-1].y;
result = IDirect3DDevice9_DrawPrimitiveUP(data->device, D3DPT_POINTLIST, 1, vertices, sizeof(*vertices));
}
728
SDL_stack_free(vertices);
729
730
731
732
733
734
735
if (FAILED(result)) {
D3D_SetError("DrawPrimitiveUP()", result);
return -1;
}
return 0;
}
736
737
738
static int
D3D_RenderFillRects(SDL_Renderer * renderer, const SDL_Rect ** rects,
int count)
739
{
740
D3D_RenderData *data = (D3D_RenderData *) renderer->driverdata;
741
DWORD color;
742
743
int i;
float minx, miny, maxx, maxy;
744
Vertex vertices[4];
745
HRESULT result;
746
747
748
749
750
if (data->beginScene) {
IDirect3DDevice9_BeginScene(data->device);
data->beginScene = SDL_FALSE;
}
751
752
753
D3D_SetBlendMode(data, renderer->blendMode);
754
755
756
result =
IDirect3DDevice9_SetTexture(data->device, 0,
(IDirect3DBaseTexture9 *) 0);
757
758
759
760
if (FAILED(result)) {
D3D_SetError("SetTexture()", result);
return -1;
}
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
color = D3DCOLOR_ARGB(renderer->a, renderer->r, renderer->g, renderer->b);
for (i = 0; i < count; ++i) {
const SDL_Rect *rect = rects[i];
minx = (float) rect->x;
miny = (float) rect->y;
maxx = (float) rect->x + rect->w;
maxy = (float) rect->y + rect->h;
vertices[0].x = minx;
vertices[0].y = miny;
vertices[0].z = 0.0f;
vertices[0].rhw = 1.0f;
vertices[0].color = color;
vertices[0].u = 0.0f;
vertices[0].v = 0.0f;
vertices[1].x = maxx;
vertices[1].y = miny;
vertices[1].z = 0.0f;
vertices[1].rhw = 1.0f;
vertices[1].color = color;
vertices[1].u = 0.0f;
vertices[1].v = 0.0f;
vertices[2].x = maxx;
vertices[2].y = maxy;
vertices[2].z = 0.0f;
vertices[2].rhw = 1.0f;
vertices[2].color = color;
vertices[2].u = 0.0f;
vertices[2].v = 0.0f;
vertices[3].x = minx;
vertices[3].y = maxy;
vertices[3].z = 0.0f;
vertices[3].rhw = 1.0f;
vertices[3].color = color;
vertices[3].u = 0.0f;
vertices[3].v = 0.0f;
result =
IDirect3DDevice9_DrawPrimitiveUP(data->device, D3DPT_TRIANGLEFAN,
2, vertices, sizeof(*vertices));
if (FAILED(result)) {
D3D_SetError("DrawPrimitiveUP()", result);
return -1;
}
811
}
812
813
814
815
return 0;
}
static int
816
D3D_RenderCopy(SDL_Renderer * renderer, SDL_Texture * texture,
817
const SDL_Rect * srcrect, const SDL_Rect * dstrect)
818
{
819
820
D3D_RenderData *data = (D3D_RenderData *) renderer->driverdata;
D3D_TextureData *texturedata = (D3D_TextureData *) texture->driverdata;
821
LPDIRECT3DPIXELSHADER9 shader = NULL;
822
float minx, miny, maxx, maxy;
823
float minu, maxu, minv, maxv;
824
DWORD color;
825
826
Vertex vertices[4];
HRESULT result;
827
828
829
830
831
if (data->beginScene) {
IDirect3DDevice9_BeginScene(data->device);
data->beginScene = SDL_FALSE;
}
832
833
834
835
836
minx = (float) dstrect->x - 0.5f;
miny = (float) dstrect->y - 0.5f;
maxx = (float) dstrect->x + dstrect->w - 0.5f;
maxy = (float) dstrect->y + dstrect->h - 0.5f;
837
838
839
840
841
minu = (float) srcrect->x / texture->w;
maxu = (float) (srcrect->x + srcrect->w) / texture->w;
minv = (float) srcrect->y / texture->h;
maxv = (float) (srcrect->y + srcrect->h) / texture->h;
842
843
844
color = D3DCOLOR_ARGB(texture->a, texture->r, texture->g, texture->b);
845
846
847
vertices[0].x = minx;
vertices[0].y = miny;
vertices[0].z = 0.0f;
848
vertices[0].rhw = 1.0f;
849
vertices[0].color = color;
850
851
852
vertices[0].u = minu;
vertices[0].v = minv;
853
854
855
vertices[1].x = maxx;
vertices[1].y = miny;
vertices[1].z = 0.0f;
856
vertices[1].rhw = 1.0f;
857
vertices[1].color = color;
858
859
860
vertices[1].u = maxu;
vertices[1].v = minv;
861
862
863
vertices[2].x = maxx;
vertices[2].y = maxy;
vertices[2].z = 0.0f;
864
vertices[2].rhw = 1.0f;
865
vertices[2].color = color;
866
867
868
vertices[2].u = maxu;
vertices[2].v = maxv;
869
870
871
vertices[3].x = minx;
vertices[3].y = maxy;
vertices[3].z = 0.0f;
872
vertices[3].rhw = 1.0f;
873
vertices[3].color = color;
874
875
vertices[3].u = minu;
vertices[3].v = maxv;
876
877
D3D_SetBlendMode(data, texture->blendMode);
878
879
880
881
882
IDirect3DDevice9_SetSamplerState(data->device, 0, D3DSAMP_MINFILTER,
D3DTEXF_LINEAR);
IDirect3DDevice9_SetSamplerState(data->device, 0, D3DSAMP_MAGFILTER,
D3DTEXF_LINEAR);
883
884
result =
885
886
IDirect3DDevice9_SetTexture(data->device, 0, (IDirect3DBaseTexture9 *)
texturedata->texture);
887
888
889
890
if (FAILED(result)) {
D3D_SetError("SetTexture()", result);
return -1;
}
891
892
893
894
895
896
897
if (shader) {
result = IDirect3DDevice9_SetPixelShader(data->device, shader);
if (FAILED(result)) {
D3D_SetError("SetShader()", result);
return -1;
}
}
898
899
900
901
902
903
904
result =
IDirect3DDevice9_DrawPrimitiveUP(data->device, D3DPT_TRIANGLEFAN, 2,
vertices, sizeof(*vertices));
if (FAILED(result)) {
D3D_SetError("DrawPrimitiveUP()", result);
return -1;
}
905
906
907
908
909
910
911
if (shader) {
result = IDirect3DDevice9_SetPixelShader(data->device, NULL);
if (FAILED(result)) {
D3D_SetError("SetShader()", result);
return -1;
}
}
912
913
914
return 0;
}
915
916
static int
D3D_RenderReadPixels(SDL_Renderer * renderer, const SDL_Rect * rect,
917
Uint32 format, void * pixels, int pitch)
918
{
919
D3D_RenderData *data = (D3D_RenderData *) renderer->driverdata;
920
D3DSURFACE_DESC desc;
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
LPDIRECT3DSURFACE9 backBuffer;
LPDIRECT3DSURFACE9 surface;
RECT d3drect;
D3DLOCKED_RECT locked;
HRESULT result;
result = IDirect3DDevice9_GetBackBuffer(data->device, 0, 0, D3DBACKBUFFER_TYPE_MONO, &backBuffer);
if (FAILED(result)) {
D3D_SetError("GetBackBuffer()", result);
return -1;
}
result = IDirect3DSurface9_GetDesc(backBuffer, &desc);
if (FAILED(result)) {
D3D_SetError("GetDesc()", result);
IDirect3DSurface9_Release(backBuffer);
return -1;
}
939
940
941
942
943
944
945
result = IDirect3DDevice9_CreateOffscreenPlainSurface(data->device, desc.Width, desc.Height, desc.Format, D3DPOOL_SYSTEMMEM, &surface, NULL);
if (FAILED(result)) {
D3D_SetError("CreateOffscreenPlainSurface()", result);
IDirect3DSurface9_Release(backBuffer);
return -1;
}
946
947
948
949
950
951
952
953
result = IDirect3DDevice9_GetRenderTargetData(data->device, backBuffer, surface);
if (FAILED(result)) {
D3D_SetError("GetRenderTargetData()", result);
IDirect3DSurface9_Release(surface);
IDirect3DSurface9_Release(backBuffer);
return -1;
}
954
955
956
957
958
d3drect.left = rect->x;
d3drect.right = rect->x + rect->w;
d3drect.top = rect->y;
d3drect.bottom = rect->y + rect->h;
959
960
961
962
963
964
965
966
result = IDirect3DSurface9_LockRect(surface, &locked, &d3drect, D3DLOCK_READONLY);
if (FAILED(result)) {
D3D_SetError("LockRect()", result);
IDirect3DSurface9_Release(surface);
IDirect3DSurface9_Release(backBuffer);
return -1;
}
967
968
SDL_ConvertPixels(rect->w, rect->h,
969
D3DFMTToPixelFormat(desc.Format), locked.pBits, locked.Pitch,
970
format, pixels, pitch);
971
972
973
974
975
976
977
IDirect3DSurface9_UnlockRect(surface);
IDirect3DSurface9_Release(surface);
IDirect3DSurface9_Release(backBuffer);
return 0;
978
979
}
980
static void
981
D3D_RenderPresent(SDL_Renderer * renderer)
982
{
983
D3D_RenderData *data = (D3D_RenderData *) renderer->driverdata;
984
985
986
987
988
989
990
HRESULT result;
if (!data->beginScene) {
IDirect3DDevice9_EndScene(data->device);
data->beginScene = SDL_TRUE;
}
991
992
993
994
995
996
997
998
result = IDirect3DDevice9_TestCooperativeLevel(data->device);
if (result == D3DERR_DEVICELOST) {
/* We'll reset later */
return;
}
if (result == D3DERR_DEVICENOTRESET) {
D3D_Reset(renderer);
}
999
1000
result = IDirect3DDevice9_Present(data->device, NULL, NULL, NULL, NULL);
if (FAILED(result)) {