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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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#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);
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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Uint32 format;
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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->window = window;
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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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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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data->format = texture->format;
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result =
IDirect3DDevice9_CreateTexture(renderdata->device, texture->w,
texture->h, 1, 0,
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PixelFormatToD3DFMT(data->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_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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#ifdef SDL_MEMORY_POOL_DEFAULT
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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;
}
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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(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;
}
IDirect3DTexture9_UnlockRect(temp, 0);
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result =
IDirect3DDevice9_UpdateTexture(renderdata->device,
(IDirect3DBaseTexture9 *) temp,
(IDirect3DBaseTexture9 *)
data->texture);
IDirect3DTexture9_Release(temp);
if (FAILED(result)) {
D3D_SetError("UpdateTexture()", result);
return -1;
}
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#else
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RECT d3drect;
D3DLOCKED_RECT locked;
const Uint8 *src;
Uint8 *dst;
int row, length;
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;
}
598
599
600
601
602
603
604
605
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;
606
}
607
608
609
610
IDirect3DTexture9_UnlockRect(data->texture, 0);
#endif // SDL_MEMORY_POOL_DEFAULT
return 0;
611
}
612
613
static int
614
D3D_LockTexture(SDL_Renderer * renderer, SDL_Texture * texture,
615
const SDL_Rect * rect, void **pixels, int *pitch)
616
{
617
D3D_TextureData *data = (D3D_TextureData *) texture->driverdata;
618
619
620
RECT d3drect;
D3DLOCKED_RECT locked;
HRESULT result;
621
622
623
624
625
d3drect.left = rect->x;
d3drect.right = rect->x + rect->w;
d3drect.top = rect->y;
d3drect.bottom = rect->y + rect->h;
626
627
628
629
630
result = IDirect3DTexture9_LockRect(data->texture, 0, &locked, &d3drect, 0);
if (FAILED(result)) {
D3D_SetError("LockRect()", result);
return -1;
631
}
632
633
634
*pixels = locked.pBits;
*pitch = locked.Pitch;
return 0;
635
636
637
}
static void
638
D3D_UnlockTexture(SDL_Renderer * renderer, SDL_Texture * texture)
639
{
640
D3D_TextureData *data = (D3D_TextureData *) texture->driverdata;
641
642
IDirect3DTexture9_UnlockRect(data->texture, 0);
643
644
}
645
static void
646
D3D_SetBlendMode(D3D_RenderData * data, int blendMode)
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
{
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
673
674
D3D_RenderDrawPoints(SDL_Renderer * renderer, const SDL_Point * points,
int count)
675
676
677
{
D3D_RenderData *data = (D3D_RenderData *) renderer->driverdata;
DWORD color;
678
679
Vertex *vertices;
int i;
680
681
682
683
684
685
686
687
688
HRESULT result;
if (data->beginScene) {
IDirect3DDevice9_BeginScene(data->device);
data->beginScene = SDL_FALSE;
}
D3D_SetBlendMode(data, renderer->blendMode);
689
690
691
result =
IDirect3DDevice9_SetTexture(data->device, 0,
(IDirect3DBaseTexture9 *) 0);
692
693
694
695
if (FAILED(result)) {
D3D_SetError("SetTexture()", result);
return -1;
}
696
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698
699
700
701
702
703
704
705
706
707
708
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;
}
709
result =
710
IDirect3DDevice9_DrawPrimitiveUP(data->device, D3DPT_POINTLIST, count,
711
vertices, sizeof(*vertices));
712
SDL_stack_free(vertices);
713
714
715
716
717
718
719
720
if (FAILED(result)) {
D3D_SetError("DrawPrimitiveUP()", result);
return -1;
}
return 0;
}
static int
721
722
D3D_RenderDrawLines(SDL_Renderer * renderer, const SDL_Point * points,
int count)
723
724
725
{
D3D_RenderData *data = (D3D_RenderData *) renderer->driverdata;
DWORD color;
726
727
Vertex *vertices;
int i;
728
729
730
731
732
733
734
735
736
HRESULT result;
if (data->beginScene) {
IDirect3DDevice9_BeginScene(data->device);
data->beginScene = SDL_FALSE;
}
D3D_SetBlendMode(data, renderer->blendMode);
737
738
739
result =
IDirect3DDevice9_SetTexture(data->device, 0,
(IDirect3DBaseTexture9 *) 0);
740
741
742
743
if (FAILED(result)) {
D3D_SetError("SetTexture()", result);
return -1;
}
744
745
746
747
748
749
750
751
752
753
754
755
756
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;
}
757
result =
758
IDirect3DDevice9_DrawPrimitiveUP(data->device, D3DPT_LINESTRIP, count-1,
759
vertices, sizeof(*vertices));
760
761
762
763
764
765
766
767
768
/* 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));
}
769
SDL_stack_free(vertices);
770
771
772
773
774
775
776
if (FAILED(result)) {
D3D_SetError("DrawPrimitiveUP()", result);
return -1;
}
return 0;
}
777
778
779
static int
D3D_RenderFillRects(SDL_Renderer * renderer, const SDL_Rect ** rects,
int count)
780
{
781
D3D_RenderData *data = (D3D_RenderData *) renderer->driverdata;
782
DWORD color;
783
784
int i;
float minx, miny, maxx, maxy;
785
Vertex vertices[4];
786
HRESULT result;
787
788
789
790
791
if (data->beginScene) {
IDirect3DDevice9_BeginScene(data->device);
data->beginScene = SDL_FALSE;
}
792
793
794
D3D_SetBlendMode(data, renderer->blendMode);
795
796
797
result =
IDirect3DDevice9_SetTexture(data->device, 0,
(IDirect3DBaseTexture9 *) 0);
798
799
800
801
if (FAILED(result)) {
D3D_SetError("SetTexture()", result);
return -1;
}
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
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;
}
852
}
853
854
855
856
return 0;
}
static int
857
D3D_RenderCopy(SDL_Renderer * renderer, SDL_Texture * texture,
858
const SDL_Rect * srcrect, const SDL_Rect * dstrect)
859
{
860
861
D3D_RenderData *data = (D3D_RenderData *) renderer->driverdata;
D3D_TextureData *texturedata = (D3D_TextureData *) texture->driverdata;
862
LPDIRECT3DPIXELSHADER9 shader = NULL;
863
float minx, miny, maxx, maxy;
864
float minu, maxu, minv, maxv;
865
DWORD color;
866
867
Vertex vertices[4];
HRESULT result;
868
869
870
871
872
if (data->beginScene) {
IDirect3DDevice9_BeginScene(data->device);
data->beginScene = SDL_FALSE;
}
873
874
875
876
877
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;
878
879
880
881
882
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;
883
884
885
color = D3DCOLOR_ARGB(texture->a, texture->r, texture->g, texture->b);
886
887
888
vertices[0].x = minx;
vertices[0].y = miny;
vertices[0].z = 0.0f;
889
vertices[0].rhw = 1.0f;
890
vertices[0].color = color;
891
892
893
vertices[0].u = minu;
vertices[0].v = minv;
894
895
896
vertices[1].x = maxx;
vertices[1].y = miny;
vertices[1].z = 0.0f;
897
vertices[1].rhw = 1.0f;
898
vertices[1].color = color;
899
900
901
vertices[1].u = maxu;
vertices[1].v = minv;
902
903
904
vertices[2].x = maxx;
vertices[2].y = maxy;
vertices[2].z = 0.0f;
905
vertices[2].rhw = 1.0f;
906
vertices[2].color = color;
907
908
909
vertices[2].u = maxu;
vertices[2].v = maxv;
910
911
912
vertices[3].x = minx;
vertices[3].y = maxy;
vertices[3].z = 0.0f;
913
vertices[3].rhw = 1.0f;
914
vertices[3].color = color;
915
916
vertices[3].u = minu;
vertices[3].v = maxv;
917
918
D3D_SetBlendMode(data, texture->blendMode);
919
920
921
922
923
IDirect3DDevice9_SetSamplerState(data->device, 0, D3DSAMP_MINFILTER,
D3DTEXF_LINEAR);
IDirect3DDevice9_SetSamplerState(data->device, 0, D3DSAMP_MAGFILTER,
D3DTEXF_LINEAR);
924
925
result =
926
927
IDirect3DDevice9_SetTexture(data->device, 0, (IDirect3DBaseTexture9 *)
texturedata->texture);
928
929
930
931
if (FAILED(result)) {
D3D_SetError("SetTexture()", result);
return -1;
}
932
933
934
935
936
937
938
if (shader) {
result = IDirect3DDevice9_SetPixelShader(data->device, shader);
if (FAILED(result)) {
D3D_SetError("SetShader()", result);
return -1;
}
}
939
940
941
942
943
944
945
result =
IDirect3DDevice9_DrawPrimitiveUP(data->device, D3DPT_TRIANGLEFAN, 2,
vertices, sizeof(*vertices));
if (FAILED(result)) {
D3D_SetError("DrawPrimitiveUP()", result);
return -1;
}
946
947
948
949
950
951
952
if (shader) {
result = IDirect3DDevice9_SetPixelShader(data->device, NULL);
if (FAILED(result)) {
D3D_SetError("SetShader()", result);
return -1;
}
}
953
954
955
return 0;
}
956
957
static int
D3D_RenderReadPixels(SDL_Renderer * renderer, const SDL_Rect * rect,
958
Uint32 format, void * pixels, int pitch)
959
{
960
D3D_RenderData *data = (D3D_RenderData *) renderer->driverdata;
961
D3DSURFACE_DESC desc;
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
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;
}
980
981
982
983
984
985
986
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;
}
987
988
989
990
991
992
993
994
result = IDirect3DDevice9_GetRenderTargetData(data->device, backBuffer, surface);
if (FAILED(result)) {
D3D_SetError("GetRenderTargetData()", result);
IDirect3DSurface9_Release(surface);
IDirect3DSurface9_Release(backBuffer);
return -1;
}
995
996
997
998
999
d3drect.left = rect->x;
d3drect.right = rect->x + rect->w;
d3drect.top = rect->y;
d3drect.bottom = rect->y + rect->h;
1000