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SDL_d3drender.c
1066 lines (956 loc) · 33.4 KB
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/*
SDL - Simple DirectMedia Layer
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Copyright (C) 1997-2009 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
#include "SDL_win32video.h"
/* Direct3D renderer implementation */
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#if 1 /* This takes more memory but you won't lose your texture data */
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#define D3DPOOL_SDL D3DPOOL_MANAGED
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#define SDL_MEMORY_POOL_MANAGED
#else
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#define D3DPOOL_SDL D3DPOOL_DEFAULT
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#define SDL_MEMORY_POOL_DEFAULT
#endif
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static SDL_Renderer *D3D_CreateRenderer(SDL_Window * window, Uint32 flags);
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static int D3D_DisplayModeChanged(SDL_Renderer * renderer);
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static int D3D_CreateTexture(SDL_Renderer * renderer, SDL_Texture * texture);
static int D3D_SetTexturePalette(SDL_Renderer * renderer,
SDL_Texture * texture,
const SDL_Color * colors, int firstcolor,
int ncolors);
static int D3D_GetTexturePalette(SDL_Renderer * renderer,
SDL_Texture * texture, SDL_Color * colors,
int firstcolor, int ncolors);
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static int D3D_SetTextureColorMod(SDL_Renderer * renderer,
SDL_Texture * texture);
static int D3D_SetTextureAlphaMod(SDL_Renderer * renderer,
SDL_Texture * texture);
static int D3D_SetTextureBlendMode(SDL_Renderer * renderer,
SDL_Texture * texture);
static int D3D_SetTextureScaleMode(SDL_Renderer * renderer,
SDL_Texture * texture);
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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,
const SDL_Rect * rect, int markDirty,
void **pixels, int *pitch);
static void D3D_UnlockTexture(SDL_Renderer * renderer, SDL_Texture * texture);
static void D3D_DirtyTexture(SDL_Renderer * renderer, SDL_Texture * texture,
int numrects, const SDL_Rect * rects);
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static int D3D_RenderPoint(SDL_Renderer * renderer, int x, int y);
static int D3D_RenderLine(SDL_Renderer * renderer, int x1, int y1, int x2,
int y2);
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static int D3D_RenderFill(SDL_Renderer * renderer, const SDL_Rect * rect);
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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 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_SINGLEBUFFER | SDL_RENDERER_PRESENTCOPY |
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SDL_RENDERER_PRESENTFLIP2 | SDL_RENDERER_PRESENTFLIP3 |
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SDL_RENDERER_PRESENTDISCARD | SDL_RENDERER_PRESENTVSYNC |
SDL_RENDERER_ACCELERATED),
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(SDL_TEXTUREMODULATE_NONE | SDL_TEXTUREMODULATE_COLOR |
SDL_TEXTUREMODULATE_ALPHA),
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(SDL_BLENDMODE_NONE | SDL_BLENDMODE_MASK |
SDL_BLENDMODE_BLEND | SDL_BLENDMODE_ADD | SDL_BLENDMODE_MOD),
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(SDL_TEXTURESCALEMODE_NONE | SDL_TEXTURESCALEMODE_FAST |
SDL_TEXTURESCALEMODE_SLOW | SDL_TEXTURESCALEMODE_BEST),
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{
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SDL_PIXELFORMAT_INDEX8,
SDL_PIXELFORMAT_RGB332,
SDL_PIXELFORMAT_RGB444,
SDL_PIXELFORMAT_RGB555,
SDL_PIXELFORMAT_ARGB4444,
SDL_PIXELFORMAT_ARGB1555,
SDL_PIXELFORMAT_RGB565,
SDL_PIXELFORMAT_RGB888,
SDL_PIXELFORMAT_ARGB8888,
SDL_PIXELFORMAT_ARGB2101010,
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SDL_PIXELFORMAT_YUY2,
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SDL_PIXELFORMAT_UYVY},
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0,
0}
};
typedef struct
{
IDirect3DDevice9 *device;
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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_INDEX8:
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return D3DFMT_P8;
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case SDL_PIXELFORMAT_RGB332:
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return D3DFMT_R3G3B2;
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case SDL_PIXELFORMAT_RGB444:
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return D3DFMT_X4R4G4B4;
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case SDL_PIXELFORMAT_RGB555:
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return D3DFMT_X1R5G5B5;
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case SDL_PIXELFORMAT_ARGB4444:
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return D3DFMT_A4R4G4B4;
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case SDL_PIXELFORMAT_ARGB1555:
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return D3DFMT_A1R5G5B5;
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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;
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case SDL_PIXELFORMAT_ARGB2101010:
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return D3DFMT_A2R10G10B10;
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case SDL_PIXELFORMAT_UYVY:
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return D3DFMT_UYVY;
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case SDL_PIXELFORMAT_YUY2:
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return D3DFMT_YUY2;
default:
return D3DFMT_UNKNOWN;
}
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}
void
D3D_AddRenderDriver(_THIS)
{
SDL_VideoData *data = (SDL_VideoData *) _this->driverdata;
if (data->d3d) {
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SDL_AddRenderDriver(0, &D3D_RenderDriver);
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}
}
SDL_Renderer *
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D3D_CreateRenderer(SDL_Window * window, Uint32 flags)
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{
SDL_VideoDisplay *display = SDL_GetDisplayFromWindow(window);
SDL_VideoData *videodata = (SDL_VideoData *) display->device->driverdata;
SDL_WindowData *windowdata = (SDL_WindowData *) window->driverdata;
SDL_Renderer *renderer;
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D3D_RenderData *data;
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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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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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D3D_DestroyRenderer(renderer);
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SDL_OutOfMemory();
return NULL;
}
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renderer->DisplayModeChanged = D3D_DisplayModeChanged;
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renderer->CreateTexture = D3D_CreateTexture;
renderer->SetTexturePalette = D3D_SetTexturePalette;
renderer->GetTexturePalette = D3D_GetTexturePalette;
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renderer->SetTextureColorMod = D3D_SetTextureColorMod;
renderer->SetTextureAlphaMod = D3D_SetTextureAlphaMod;
renderer->SetTextureBlendMode = D3D_SetTextureBlendMode;
renderer->SetTextureScaleMode = D3D_SetTextureScaleMode;
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renderer->UpdateTexture = D3D_UpdateTexture;
renderer->LockTexture = D3D_LockTexture;
renderer->UnlockTexture = D3D_UnlockTexture;
renderer->DirtyTexture = D3D_DirtyTexture;
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renderer->RenderPoint = D3D_RenderPoint;
renderer->RenderLine = D3D_RenderLine;
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renderer->RenderFill = D3D_RenderFill;
renderer->RenderCopy = D3D_RenderCopy;
renderer->RenderPresent = D3D_RenderPresent;
renderer->DestroyTexture = D3D_DestroyTexture;
renderer->DestroyRenderer = D3D_DestroyRenderer;
renderer->info = D3D_RenderDriver.info;
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renderer->window = window->id;
renderer->driverdata = data;
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renderer->info.flags = SDL_RENDERER_ACCELERATED;
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SDL_zero(pparams);
pparams.BackBufferWidth = window->w;
pparams.BackBufferHeight = window->h;
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if (window->flags & SDL_WINDOW_FULLSCREEN) {
pparams.BackBufferFormat =
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PixelFormatToD3DFMT(display->fullscreen_mode.format);
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} else {
pparams.BackBufferFormat = D3DFMT_UNKNOWN;
}
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if (flags & SDL_RENDERER_PRESENTFLIP2) {
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pparams.BackBufferCount = 2;
pparams.SwapEffect = D3DSWAPEFFECT_FLIP;
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} else if (flags & SDL_RENDERER_PRESENTFLIP3) {
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pparams.BackBufferCount = 3;
pparams.SwapEffect = D3DSWAPEFFECT_FLIP;
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} else if (flags & SDL_RENDERER_PRESENTCOPY) {
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pparams.BackBufferCount = 1;
pparams.SwapEffect = D3DSWAPEFFECT_COPY;
} else {
pparams.BackBufferCount = 1;
pparams.SwapEffect = D3DSWAPEFFECT_DISCARD;
}
if (window->flags & SDL_WINDOW_FULLSCREEN) {
pparams.Windowed = FALSE;
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pparams.FullScreen_RefreshRateInHz =
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display->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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result = IDirect3D9_CreateDevice(videodata->d3d, D3DADAPTER_DEFAULT, /* FIXME */
D3DDEVTYPE_HAL,
windowdata->hwnd,
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);
switch (pparams.SwapEffect) {
case D3DSWAPEFFECT_COPY:
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renderer->info.flags |= SDL_RENDERER_PRESENTCOPY;
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break;
case D3DSWAPEFFECT_FLIP:
switch (pparams.BackBufferCount) {
case 2:
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renderer->info.flags |= SDL_RENDERER_PRESENTFLIP2;
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break;
case 3:
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renderer->info.flags |= SDL_RENDERER_PRESENTFLIP3;
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break;
}
break;
case D3DSWAPEFFECT_DISCARD:
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renderer->info.flags |= SDL_RENDERER_PRESENTDISCARD;
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break;
}
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;
}
static int
D3D_DisplayModeChanged(SDL_Renderer * renderer)
{
D3D_RenderData *data = (D3D_RenderData *) renderer->driverdata;
SDL_Window *window = SDL_GetWindowFromID(renderer->window);
SDL_VideoDisplay *display = SDL_GetDisplayFromWindow(window);
data->pparams.BackBufferWidth = window->w;
data->pparams.BackBufferHeight = window->h;
if (window->flags & SDL_WINDOW_FULLSCREEN) {
data->pparams.BackBufferFormat =
PixelFormatToD3DFMT(display->fullscreen_mode.format);
} else {
data->pparams.BackBufferFormat = D3DFMT_UNKNOWN;
}
return D3D_Reset(renderer);
}
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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 = SDL_GetWindowFromID(renderer->window);
SDL_VideoDisplay *display = SDL_GetDisplayFromWindow(window);
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D3D_TextureData *data;
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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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result =
IDirect3DDevice9_CreateTexture(renderdata->device, texture->w,
texture->h, 1, 0,
PixelFormatToD3DFMT(texture->format),
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D3DPOOL_SDL, &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_SetTexturePalette(SDL_Renderer * renderer, SDL_Texture * texture,
const SDL_Color * colors, int firstcolor, int ncolors)
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{
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D3D_RenderData *renderdata = (D3D_RenderData *) renderer->driverdata;
D3D_TextureData *data = (D3D_TextureData *) texture->driverdata;
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return 0;
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}
static int
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D3D_GetTexturePalette(SDL_Renderer * renderer, SDL_Texture * texture,
SDL_Color * colors, int firstcolor, int ncolors)
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{
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D3D_TextureData *data = (D3D_TextureData *) texture->driverdata;
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return 0;
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}
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static int
D3D_SetTextureColorMod(SDL_Renderer * renderer, SDL_Texture * texture)
{
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return 0;
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}
static int
D3D_SetTextureAlphaMod(SDL_Renderer * renderer, SDL_Texture * texture)
{
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return 0;
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}
static int
D3D_SetTextureBlendMode(SDL_Renderer * renderer, SDL_Texture * texture)
{
switch (texture->blendMode) {
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case SDL_BLENDMODE_NONE:
case SDL_BLENDMODE_MASK:
case SDL_BLENDMODE_BLEND:
case SDL_BLENDMODE_ADD:
case SDL_BLENDMODE_MOD:
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return 0;
default:
SDL_Unsupported();
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texture->blendMode = SDL_BLENDMODE_NONE;
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return -1;
}
}
static int
D3D_SetTextureScaleMode(SDL_Renderer * renderer, SDL_Texture * texture)
{
switch (texture->scaleMode) {
case SDL_TEXTURESCALEMODE_NONE:
case SDL_TEXTURESCALEMODE_FAST:
case SDL_TEXTURESCALEMODE_SLOW:
case SDL_TEXTURESCALEMODE_BEST:
return 0;
default:
SDL_Unsupported();
texture->scaleMode = SDL_TEXTURESCALEMODE_NONE;
return -1;
}
return 0;
}
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#ifdef SDL_MEMORY_POOL_DEFAULT
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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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IDirect3DTexture9 *temp;
RECT d3drect;
D3DLOCKED_RECT locked;
const Uint8 *src;
Uint8 *dst;
int row, length;
HRESULT result;
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result =
IDirect3DDevice9_CreateTexture(renderdata->device, texture->w,
texture->h, 1, 0,
PixelFormatToD3DFMT(texture->format),
D3DPOOL_SYSTEMMEM, &temp, NULL);
if (FAILED(result)) {
D3D_SetError("CreateTexture()", result);
return -1;
}
d3drect.left = rect->x;
d3drect.right = rect->x + rect->w;
d3drect.top = rect->y;
d3drect.bottom = rect->y + rect->h;
result = IDirect3DTexture9_LockRect(temp, 0, &locked, &d3drect, 0);
if (FAILED(result)) {
IDirect3DTexture9_Release(temp);
D3D_SetError("LockRect()", result);
return -1;
}
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src = pixels;
dst = locked.pBits;
length = rect->w * SDL_BYTESPERPIXEL(texture->format);
for (row = 0; row < rect->h; ++row) {
SDL_memcpy(dst, src, length);
src += pitch;
dst += locked.Pitch;
605
}
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IDirect3DTexture9_UnlockRect(temp, 0);
result =
IDirect3DDevice9_UpdateTexture(renderdata->device,
(IDirect3DBaseTexture9 *) temp,
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(IDirect3DBaseTexture9 *)
data->texture);
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IDirect3DTexture9_Release(temp);
if (FAILED(result)) {
D3D_SetError("UpdateTexture()", result);
return -1;
}
return 0;
619
}
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#else
static int
D3D_UpdateTexture(SDL_Renderer * renderer, SDL_Texture * texture,
const SDL_Rect * rect, const void *pixels, int pitch)
{
D3D_TextureData *data = (D3D_TextureData *) texture->driverdata;
D3D_RenderData *renderdata = (D3D_RenderData *) renderer->driverdata;
RECT d3drect;
D3DLOCKED_RECT locked;
const Uint8 *src;
Uint8 *dst;
int row, length;
HRESULT result;
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);
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if (FAILED(result)) {
D3D_SetError("LockRect()", result);
return -1;
}
src = pixels;
dst = locked.pBits;
length = rect->w * SDL_BYTESPERPIXEL(texture->format);
for (row = 0; row < rect->h; ++row) {
SDL_memcpy(dst, src, length);
src += pitch;
dst += locked.Pitch;
}
IDirect3DTexture9_UnlockRect(data->texture, 0);
return 0;
}
#endif // SDL_MEMORY_POOL_DEFAULT
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659
static int
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662
D3D_LockTexture(SDL_Renderer * renderer, SDL_Texture * texture,
const SDL_Rect * rect, int markDirty, void **pixels,
int *pitch)
663
{
664
D3D_TextureData *data = (D3D_TextureData *) texture->driverdata;
665
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667
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;
result =
IDirect3DTexture9_LockRect(data->texture, 0, &locked, &d3drect,
markDirty ? 0 : D3DLOCK_NO_DIRTY_UPDATE);
if (FAILED(result)) {
D3D_SetError("LockRect()", result);
679
return -1;
680
}
681
682
683
*pixels = locked.pBits;
*pitch = locked.Pitch;
return 0;
684
685
686
}
static void
687
D3D_UnlockTexture(SDL_Renderer * renderer, SDL_Texture * texture)
688
{
689
D3D_TextureData *data = (D3D_TextureData *) texture->driverdata;
690
691
IDirect3DTexture9_UnlockRect(data->texture, 0);
692
693
694
}
static void
695
696
D3D_DirtyTexture(SDL_Renderer * renderer, SDL_Texture * texture, int numrects,
const SDL_Rect * rects)
697
{
698
D3D_TextureData *data = (D3D_TextureData *) texture->driverdata;
699
700
701
702
703
704
705
706
707
708
709
710
711
RECT d3drect;
int i;
for (i = 0; i < numrects; ++i) {
const SDL_Rect *rect = &rects[i];
d3drect.left = rect->x;
d3drect.right = rect->x + rect->w;
d3drect.top = rect->y;
d3drect.bottom = rect->y + rect->h;
IDirect3DTexture9_AddDirtyRect(data->texture, &d3drect);
}
712
713
}
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822
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829
830
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832
833
834
835
836
837
static void
D3D_SetBlendMode(D3D_RenderData *data, int blendMode)
{
switch (blendMode) {
case SDL_BLENDMODE_NONE:
IDirect3DDevice9_SetRenderState(data->device, D3DRS_ALPHABLENDENABLE,
FALSE);
break;
case SDL_BLENDMODE_MASK:
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;
case SDL_BLENDMODE_MOD:
IDirect3DDevice9_SetRenderState(data->device, D3DRS_ALPHABLENDENABLE,
TRUE);
IDirect3DDevice9_SetRenderState(data->device, D3DRS_SRCBLEND,
D3DBLEND_ZERO);
IDirect3DDevice9_SetRenderState(data->device, D3DRS_DESTBLEND,
D3DBLEND_SRCCOLOR);
break;
}
}
static int
D3D_RenderPoint(SDL_Renderer * renderer, int x, int y)
{
D3D_RenderData *data = (D3D_RenderData *) renderer->driverdata;
DWORD color;
Vertex vertices[1];
HRESULT result;
if (data->beginScene) {
IDirect3DDevice9_BeginScene(data->device);
data->beginScene = SDL_FALSE;
}
color = D3DCOLOR_ARGB(renderer->a, renderer->r, renderer->g, renderer->b);
vertices[0].x = (float) x - 0.5f;
vertices[0].y = (float) y - 0.5f;
vertices[0].z = 0.0f;
vertices[0].rhw = 1.0f;
vertices[0].color = color;
vertices[0].u = 0.0f;
vertices[0].v = 0.0f;
D3D_SetBlendMode(data, renderer->blendMode);
result = IDirect3DDevice9_SetTexture(data->device, 0, (IDirect3DBaseTexture9 *)0);
if (FAILED(result)) {
D3D_SetError("SetTexture()", result);
return -1;
}
result =
IDirect3DDevice9_DrawPrimitiveUP(data->device, D3DPT_POINTLIST, 1,
vertices, sizeof(*vertices));
if (FAILED(result)) {
D3D_SetError("DrawPrimitiveUP()", result);
return -1;
}
return 0;
}
static int
D3D_RenderLine(SDL_Renderer * renderer, int x1, int y1, int x2, int y2)
{
D3D_RenderData *data = (D3D_RenderData *) renderer->driverdata;
DWORD color;
Vertex vertices[2];
HRESULT result;
if (data->beginScene) {
IDirect3DDevice9_BeginScene(data->device);
data->beginScene = SDL_FALSE;
}
color = D3DCOLOR_ARGB(renderer->a, renderer->r, renderer->g, renderer->b);
vertices[0].x = (float) x1 - 0.5f;
vertices[0].y = (float) y1 - 0.5f;
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 = (float) x2 - 0.5f;
vertices[1].y = (float) y2 - 0.5f;
vertices[1].z = 0.0f;
vertices[1].rhw = 1.0f;
vertices[1].color = color;
vertices[1].u = 0.0f;
vertices[1].v = 0.0f;
D3D_SetBlendMode(data, renderer->blendMode);
result = IDirect3DDevice9_SetTexture(data->device, 0, (IDirect3DBaseTexture9 *)0);
if (FAILED(result)) {
D3D_SetError("SetTexture()", result);
return -1;
}
result =
IDirect3DDevice9_DrawPrimitiveUP(data->device, D3DPT_LINELIST, 1,
vertices, sizeof(*vertices));
if (FAILED(result)) {
D3D_SetError("DrawPrimitiveUP()", result);
return -1;
}
return 0;
}
838
static int
839
D3D_RenderFill(SDL_Renderer * renderer, const SDL_Rect * rect)
840
{
841
D3D_RenderData *data = (D3D_RenderData *) renderer->driverdata;
842
843
844
float minx, miny, maxx, maxy;
DWORD color;
Vertex vertices[4];
845
HRESULT result;
846
847
848
849
850
if (data->beginScene) {
IDirect3DDevice9_BeginScene(data->device);
data->beginScene = SDL_FALSE;
}
851
852
853
854
855
856
857
minx = (float) rect->x - 0.5f;
miny = (float) rect->y - 0.5f;
maxx = (float) rect->x + rect->w - 0.5f;
maxy = (float) rect->y + rect->h - 0.5f;
color = D3DCOLOR_ARGB(renderer->a, renderer->r, renderer->g, renderer->b);
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
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;
D3D_SetBlendMode(data, renderer->blendMode);
result = IDirect3DDevice9_SetTexture(data->device, 0, (IDirect3DBaseTexture9 *)0);
if (FAILED(result)) {
D3D_SetError("SetTexture()", result);
return -1;
}
898
result =
899
900
IDirect3DDevice9_DrawPrimitiveUP(data->device, D3DPT_TRIANGLEFAN, 2,
vertices, sizeof(*vertices));
901
if (FAILED(result)) {
902
D3D_SetError("DrawPrimitiveUP()", result);
903
904
return -1;
}
905
906
907
908
return 0;
}
static int
909
D3D_RenderCopy(SDL_Renderer * renderer, SDL_Texture * texture,
910
const SDL_Rect * srcrect, const SDL_Rect * dstrect)
911
{
912
913
D3D_RenderData *data = (D3D_RenderData *) renderer->driverdata;
D3D_TextureData *texturedata = (D3D_TextureData *) texture->driverdata;
914
float minx, miny, maxx, maxy;
915
float minu, maxu, minv, maxv;
916
DWORD color;
917
918
Vertex vertices[4];
HRESULT result;
919
920
921
922
923
if (data->beginScene) {
IDirect3DDevice9_BeginScene(data->device);
data->beginScene = SDL_FALSE;
}
924
925
926
927
928
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;
929
930
931
932
933
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;
934
935
936
color = D3DCOLOR_ARGB(texture->a, texture->r, texture->g, texture->b);
937
938
939
vertices[0].x = minx;
vertices[0].y = miny;
vertices[0].z = 0.0f;
940
vertices[0].rhw = 1.0f;
941
vertices[0].color = color;
942
943
944
vertices[0].u = minu;
vertices[0].v = minv;
945
946
947
vertices[1].x = maxx;
vertices[1].y = miny;
vertices[1].z = 0.0f;
948
vertices[1].rhw = 1.0f;
949
vertices[1].color = color;
950
951
952
vertices[1].u = maxu;
vertices[1].v = minv;
953
954
955
vertices[2].x = maxx;
vertices[2].y = maxy;
vertices[2].z = 0.0f;
956
vertices[2].rhw = 1.0f;
957
vertices[2].color = color;
958
959
960
vertices[2].u = maxu;
vertices[2].v = maxv;
961
962
963
vertices[3].x = minx;
vertices[3].y = maxy;
vertices[3].z = 0.0f;
964
vertices[3].rhw = 1.0f;
965
vertices[3].color = color;
966
967
vertices[3].u = minu;
vertices[3].v = maxv;
968
969
D3D_SetBlendMode(data, texture->blendMode);
970
971
switch (texture->scaleMode) {
972
973
case SDL_TEXTURESCALEMODE_NONE:
case SDL_TEXTURESCALEMODE_FAST:
974
975
976
977
978
IDirect3DDevice9_SetSamplerState(data->device, 0, D3DSAMP_MINFILTER,
D3DTEXF_POINT);
IDirect3DDevice9_SetSamplerState(data->device, 0, D3DSAMP_MAGFILTER,
D3DTEXF_POINT);
break;
979
case SDL_TEXTURESCALEMODE_SLOW:
980
981
982
983
984
IDirect3DDevice9_SetSamplerState(data->device, 0, D3DSAMP_MINFILTER,
D3DTEXF_LINEAR);
IDirect3DDevice9_SetSamplerState(data->device, 0, D3DSAMP_MAGFILTER,
D3DTEXF_LINEAR);
break;
985
case SDL_TEXTURESCALEMODE_BEST:
986
987
988
989
990
991
992
IDirect3DDevice9_SetSamplerState(data->device, 0, D3DSAMP_MINFILTER,
D3DTEXF_GAUSSIANQUAD);
IDirect3DDevice9_SetSamplerState(data->device, 0, D3DSAMP_MAGFILTER,
D3DTEXF_GAUSSIANQUAD);
break;
}
993
result =
994
995
IDirect3DDevice9_SetTexture(data->device, 0, (IDirect3DBaseTexture9 *)
texturedata->texture);
996
997
998
999
1000
if (FAILED(result)) {
D3D_SetError("SetTexture()", result);
return -1;
}
result =