static int
D3D_SetRenderTarget(SDL_Renderer * renderer, SDL_Texture * texture)
{
D3D_RenderData *data = (D3D_RenderData *) renderer->driverdata;
D3D_TextureData *texturedata;
HRESULT result;
D3D_ActivateRenderer(renderer);
/* Release the previous render target if it wasn't the default one */
if (data->currentRenderTarget != NULL) {
IDirect3DSurface9_Release(data->currentRenderTarget);
data->currentRenderTarget = NULL;
}
if (texture == NULL) {
IDirect3DDevice9_SetRenderTarget(data->device, 0, data->defaultRenderTarget);
return 0;
}
texturedata = (D3D_TextureData *) texture->driverdata;
result = IDirect3DTexture9_GetSurfaceLevel(texturedata->texture, 0, &data->currentRenderTarget);
if(FAILED(result)) {
D3D_SetError("GetSurfaceLevel()", result);
return -1;
}
result = IDirect3DDevice9_SetRenderTarget(data->device, 0, data->currentRenderTarget);
if(FAILED(result)) {
D3D_SetError("SetRenderTarget()", result);
return -1;
}
return 0;
}
static int
D3D_RenderReadPixels(SDL_Renderer * renderer, const SDL_Rect * rect,
Uint32 format, void * pixels, int pitch)
{
D3D_RenderData *data = (D3D_RenderData *) renderer->driverdata;
D3DSURFACE_DESC desc;
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)) {
return D3D_SetError("GetBackBuffer()", result);
}
result = IDirect3DSurface9_GetDesc(backBuffer, &desc);
if (FAILED(result)) {
IDirect3DSurface9_Release(backBuffer);
return D3D_SetError("GetDesc()", result);
}
result = IDirect3DDevice9_CreateOffscreenPlainSurface(data->device, desc.Width, desc.Height, desc.Format, D3DPOOL_SYSTEMMEM, &surface, NULL);
if (FAILED(result)) {
IDirect3DSurface9_Release(backBuffer);
return D3D_SetError("CreateOffscreenPlainSurface()", result);
}
result = IDirect3DDevice9_GetRenderTargetData(data->device, backBuffer, surface);
if (FAILED(result)) {
IDirect3DSurface9_Release(surface);
IDirect3DSurface9_Release(backBuffer);
return D3D_SetError("GetRenderTargetData()", result);
}
d3drect.left = rect->x;
d3drect.right = rect->x + rect->w;
d3drect.top = rect->y;
d3drect.bottom = rect->y + rect->h;
result = IDirect3DSurface9_LockRect(surface, &locked, &d3drect, D3DLOCK_READONLY);
if (FAILED(result)) {
IDirect3DSurface9_Release(surface);
IDirect3DSurface9_Release(backBuffer);
return D3D_SetError("LockRect()", result);
}
SDL_ConvertPixels(rect->w, rect->h,
D3DFMTToPixelFormat(desc.Format), locked.pBits, locked.Pitch,
format, pixels, pitch);
IDirect3DSurface9_UnlockRect(surface);
IDirect3DSurface9_Release(surface);
IDirect3DSurface9_Release(backBuffer);
return 0;
}
static int
D3D_RenderDrawLines(SDL_Renderer * renderer, const SDL_Point * points,
int count)
{
D3D_RenderData *data = (D3D_RenderData *) renderer->driverdata;
DWORD color;
Vertex *vertices;
int i;
HRESULT result;
if (data->beginScene) {
IDirect3DDevice9_BeginScene(data->device);
data->beginScene = SDL_FALSE;
}
D3D_SetBlendMode(data, renderer->blendMode);
result =
IDirect3DDevice9_SetTexture(data->device, 0,
(IDirect3DBaseTexture9 *) 0);
if (FAILED(result)) {
D3D_SetError("SetTexture()", result);
return -1;
}
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;
}
result =
IDirect3DDevice9_DrawPrimitiveUP(data->device, D3DPT_LINESTRIP, count-1,
vertices, sizeof(*vertices));
/* 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));
}
SDL_stack_free(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;
}
static int
D3D_UpdateClipRect(SDL_Renderer * renderer)
{
const SDL_Rect *rect = &renderer->clip_rect;
D3D_RenderData *data = (D3D_RenderData *) renderer->driverdata;
RECT r;
HRESULT result;
if (!SDL_RectEmpty(rect)) {
IDirect3DDevice9_SetRenderState(data->device, D3DRS_SCISSORTESTENABLE, TRUE);
r.left = rect->x;
r.top = rect->y;
r.right = rect->w + rect->w;
r.bottom = rect->y + rect->h;
result = IDirect3DDevice9_SetScissorRect(data->device, &r);
if (result != D3D_OK) {
D3D_SetError("SetScissor()", result);
return -1;
}
} else {
IDirect3DDevice9_SetRenderState(data->device, D3DRS_SCISSORTESTENABLE, FALSE);
}
return 0;
}
static int
D3D_LockTexture(SDL_Renderer * renderer, SDL_Texture * texture,
const SDL_Rect * rect, int markDirty, void **pixels,
int *pitch)
{
D3D_TextureData *data = (D3D_TextureData *) texture->driverdata;
if (data->yuv) {
return SDL_SW_LockYUVTexture(data->yuv, rect, markDirty, pixels,
pitch);
} else {
RECT d3drect;
D3DLOCKED_RECT locked;
HRESULT result;
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);
return -1;
}
*pixels = locked.pBits;
*pitch = locked.Pitch;
return 0;
}
}
static int
D3D_Reset(SDL_Renderer * renderer)
{
D3D_RenderData *data = (D3D_RenderData *) renderer->driverdata;
HRESULT result;
/* Release the default render target before reset */
if (data->defaultRenderTarget) {
IDirect3DSurface9_Release(data->defaultRenderTarget);
data->defaultRenderTarget = NULL;
}
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 {
return D3D_SetError("Reset()", result);
}
}
IDirect3DDevice9_SetVertexShader(data->device, NULL);
IDirect3DDevice9_SetFVF(data->device,
D3DFVF_XYZ | D3DFVF_DIFFUSE | D3DFVF_TEX1);
IDirect3DDevice9_SetRenderState(data->device, D3DRS_CULLMODE,
D3DCULL_NONE);
IDirect3DDevice9_SetRenderState(data->device, D3DRS_LIGHTING, FALSE);
IDirect3DDevice9_GetRenderTarget(data->device, 0, &data->defaultRenderTarget);
return 0;
}
static int
D3D_RenderDrawPoints(SDL_Renderer * renderer, const SDL_Point * points,
int count)
{
D3D_RenderData *data = (D3D_RenderData *) renderer->driverdata;
DWORD color;
Vertex *vertices;
int i;
HRESULT result;
if (data->beginScene) {
IDirect3DDevice9_BeginScene(data->device);
data->beginScene = SDL_FALSE;
}
D3D_SetBlendMode(data, renderer->blendMode);
result =
IDirect3DDevice9_SetTexture(data->device, 0,
(IDirect3DBaseTexture9 *) 0);
if (FAILED(result)) {
D3D_SetError("SetTexture()", result);
return -1;
}
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;
}
result =
IDirect3DDevice9_DrawPrimitiveUP(data->device, D3DPT_POINTLIST, count,
vertices, sizeof(*vertices));
SDL_stack_free(vertices);
if (FAILED(result)) {
D3D_SetError("DrawPrimitiveUP()", result);
return -1;
}
return 0;
}
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;
#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);
}
if (FAILED(result)) {
D3D_SetError("LockRect()", result);
return -1;
}
src = pixels;
dst = locked.pBits;
length = rect->w * SDL_BYTESPERPIXEL(texture->format);
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;
}
}
IDirect3DTexture9_UnlockRect(data->texture, 0);
return 0;
}
static int
D3D_RenderClear(SDL_Renderer * renderer)
{
D3D_RenderData *data = (D3D_RenderData *) renderer->driverdata;
DWORD color;
HRESULT result;
if (D3D_ActivateRenderer(renderer) < 0) {
return -1;
}
color = D3DCOLOR_ARGB(renderer->a, renderer->r, renderer->g, renderer->b);
/* Don't reset the viewport if we don't have to! */
if (!renderer->viewport.x && !renderer->viewport.y &&
renderer->viewport.w == data->pparams.BackBufferWidth &&
renderer->viewport.h == data->pparams.BackBufferHeight) {
result = IDirect3DDevice9_Clear(data->device, 0, NULL, D3DCLEAR_TARGET, color, 0.0f, 0);
} else {
D3DVIEWPORT9 viewport;
/* Clear is defined to clear the entire render target */
viewport.X = 0;
viewport.Y = 0;
viewport.Width = data->pparams.BackBufferWidth;
viewport.Height = data->pparams.BackBufferHeight;
viewport.MinZ = 0.0f;
viewport.MaxZ = 1.0f;
IDirect3DDevice9_SetViewport(data->device, &viewport);
result = IDirect3DDevice9_Clear(data->device, 0, NULL, D3DCLEAR_TARGET, color, 0.0f, 0);
/* Reset the viewport */
viewport.X = renderer->viewport.x;
viewport.Y = renderer->viewport.y;
viewport.Width = renderer->viewport.w;
viewport.Height = renderer->viewport.h;
viewport.MinZ = 0.0f;
viewport.MaxZ = 1.0f;
IDirect3DDevice9_SetViewport(data->device, &viewport);
}
if (FAILED(result)) {
D3D_SetError("Clear()", result);
return -1;
}
return 0;
}
static int
D3D_CreateTexture(SDL_Renderer * renderer, SDL_Texture * texture)
{
D3D_RenderData *renderdata = (D3D_RenderData *) renderer->driverdata;
SDL_Window *window = renderer->window;
SDL_VideoDisplay *display = window->display;
Uint32 display_format = display->current_mode.format;
D3D_TextureData *data;
HRESULT result;
data = (D3D_TextureData *) SDL_calloc(1, sizeof(*data));
if (!data) {
SDL_OutOfMemory();
return -1;
}
texture->driverdata = data;
if (SDL_ISPIXELFORMAT_FOURCC(texture->format) &&
(texture->format != SDL_PIXELFORMAT_YUY2 ||
!D3D_IsTextureFormatAvailable(renderdata->d3d, renderdata->adapter,
display_format, texture->format))
&& (texture->format != SDL_PIXELFORMAT_YVYU
|| !D3D_IsTextureFormatAvailable(renderdata->d3d, renderdata->adapter,
display_format, texture->format))) {
data->yuv =
SDL_SW_CreateYUVTexture(texture->format, texture->w, texture->h);
if (!data->yuv) {
return -1;
}
data->format = display->current_mode.format;
} else {
data->format = texture->format;
}
result =
IDirect3DDevice9_CreateTexture(renderdata->device, texture->w,
texture->h, 1, 0,
PixelFormatToD3DFMT(data->format),
D3DPOOL_SDL, &data->texture, NULL);
if (FAILED(result)) {
D3D_SetError("CreateTexture()", result);
return -1;
}
return 0;
}
static int
D3D_CreateTexture(SDL_Renderer * renderer, SDL_Texture * texture)
{
D3D_RenderData *renderdata = (D3D_RenderData *) renderer->driverdata;
SDL_Window *window = renderer->window;
D3DFORMAT display_format = renderdata->pparams.BackBufferFormat;
D3D_TextureData *data;
D3DPOOL pool;
DWORD usage;
HRESULT result;
data = (D3D_TextureData *) SDL_calloc(1, sizeof(*data));
if (!data) {
SDL_OutOfMemory();
return -1;
}
data->scaleMode = GetScaleQuality();
texture->driverdata = data;
#ifdef USE_DYNAMIC_TEXTURE
if (texture->access == SDL_TEXTUREACCESS_STREAMING) {
pool = D3DPOOL_DEFAULT;
usage = D3DUSAGE_DYNAMIC;
} else
#endif
if (texture->access == SDL_TEXTUREACCESS_TARGET) {
/* D3DPOOL_MANAGED does not work with D3DUSAGE_RENDERTARGET */
pool = D3DPOOL_DEFAULT;
usage = D3DUSAGE_RENDERTARGET;
} else {
pool = D3DPOOL_MANAGED;
usage = 0;
}
result =
IDirect3DDevice9_CreateTexture(renderdata->device, texture->w,
texture->h, 1, usage,
PixelFormatToD3DFMT(texture->format),
pool, &data->texture, NULL);
if (FAILED(result)) {
D3D_SetError("CreateTexture()", result);
return -1;
}
return 0;
}
static int
D3D_ActivateRenderer(SDL_Renderer * renderer)
{
D3D_RenderData *data = (D3D_RenderData *) renderer->driverdata;
HRESULT result;
if (data->updateSize) {
SDL_Window *window = renderer->window;
int w, h;
SDL_GetWindowSize(window, &w, &h);
data->pparams.BackBufferWidth = w;
data->pparams.BackBufferHeight = h;
if (SDL_GetWindowFlags(window) & SDL_WINDOW_FULLSCREEN) {
data->pparams.BackBufferFormat =
PixelFormatToD3DFMT(SDL_GetWindowPixelFormat(window));
} else {
data->pparams.BackBufferFormat = D3DFMT_UNKNOWN;
}
if (D3D_Reset(renderer) < 0) {
return -1;
}
D3D_UpdateViewport(renderer);
data->updateSize = SDL_FALSE;
}
if (data->beginScene) {
result = IDirect3DDevice9_BeginScene(data->device);
if (result == D3DERR_DEVICELOST) {
if (D3D_Reset(renderer) < 0) {
return -1;
}
result = IDirect3DDevice9_BeginScene(data->device);
}
if (FAILED(result)) {
D3D_SetError("BeginScene()", result);
return -1;
}
data->beginScene = SDL_FALSE;
}
return 0;
}
static int
D3D_LockTexture(SDL_Renderer * renderer, SDL_Texture * texture,
const SDL_Rect * rect, void **pixels, int *pitch)
{
D3D_TextureData *data = (D3D_TextureData *) texture->driverdata;
RECT d3drect;
D3DLOCKED_RECT locked;
HRESULT result;
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);
if (FAILED(result)) {
return D3D_SetError("LockRect()", result);
}
*pixels = locked.pBits;
*pitch = locked.Pitch;
return 0;
}
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);
IDirect3DDevice9_SetFVF(data->device,
D3DFVF_XYZRHW | D3DFVF_DIFFUSE | D3DFVF_TEX1);
IDirect3DDevice9_SetRenderState(data->device, D3DRS_CULLMODE,
D3DCULL_NONE);
IDirect3DDevice9_SetRenderState(data->device, D3DRS_LIGHTING, FALSE);
return 0;
}
static void
D3D_RenderPresent(SDL_Renderer * renderer)
{
D3D_RenderData *data = (D3D_RenderData *) renderer->driverdata;
HRESULT result;
if (!data->beginScene) {
IDirect3DDevice9_EndScene(data->device);
data->beginScene = SDL_TRUE;
}
result = IDirect3DDevice9_TestCooperativeLevel(data->device);
if (result == D3DERR_DEVICELOST) {
/* We'll reset later */
return;
}
if (result == D3DERR_DEVICENOTRESET) {
D3D_Reset(renderer);
}
result = IDirect3DDevice9_Present(data->device, NULL, NULL, NULL, NULL);
if (FAILED(result)) {
D3D_SetError("Present()", result);
}
}
static int
D3D_RenderFill(SDL_Renderer * renderer, const SDL_Rect * rect)
{
D3D_RenderData *data = (D3D_RenderData *) renderer->driverdata;
float minx, miny, maxx, maxy;
DWORD color;
Vertex vertices[4];
HRESULT result;
if (data->beginScene) {
IDirect3DDevice9_BeginScene(data->device);
data->beginScene = SDL_FALSE;
}
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);
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;
}
result =
IDirect3DDevice9_DrawPrimitiveUP(data->device, D3DPT_TRIANGLEFAN, 2,
vertices, sizeof(*vertices));
if (FAILED(result)) {
D3D_SetError("DrawPrimitiveUP()", result);
return -1;
}
return 0;
}
SDL_Renderer *
D3D_CreateRenderer(SDL_Window * window, Uint32 flags)
{
SDL_Renderer *renderer;
D3D_RenderData *data;
SDL_SysWMinfo windowinfo;
HRESULT result;
D3DPRESENT_PARAMETERS pparams;
IDirect3DSwapChain9 *chain;
D3DCAPS9 caps;
Uint32 window_flags;
int w, h;
SDL_DisplayMode fullscreen_mode;
D3DMATRIX matrix;
renderer = (SDL_Renderer *) SDL_calloc(1, sizeof(*renderer));
if (!renderer) {
SDL_OutOfMemory();
return NULL;
}
data = (D3D_RenderData *) SDL_calloc(1, sizeof(*data));
if (!data) {
SDL_free(renderer);
SDL_OutOfMemory();
return NULL;
}
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;
}
renderer->WindowEvent = D3D_WindowEvent;
renderer->CreateTexture = D3D_CreateTexture;
renderer->UpdateTexture = D3D_UpdateTexture;
renderer->LockTexture = D3D_LockTexture;
renderer->UnlockTexture = D3D_UnlockTexture;
renderer->SetRenderTarget = D3D_SetRenderTarget;
renderer->UpdateViewport = D3D_UpdateViewport;
renderer->RenderClear = D3D_RenderClear;
renderer->RenderDrawPoints = D3D_RenderDrawPoints;
renderer->RenderDrawLines = D3D_RenderDrawLines;
renderer->RenderFillRects = D3D_RenderFillRects;
renderer->RenderCopy = D3D_RenderCopy;
renderer->RenderReadPixels = D3D_RenderReadPixels;
renderer->RenderPresent = D3D_RenderPresent;
renderer->DestroyTexture = D3D_DestroyTexture;
renderer->DestroyRenderer = D3D_DestroyRenderer;
renderer->info = D3D_RenderDriver.info;
renderer->driverdata = data;
renderer->info.flags = SDL_RENDERER_ACCELERATED;
SDL_VERSION(&windowinfo.version);
SDL_GetWindowWMInfo(window, &windowinfo);
window_flags = SDL_GetWindowFlags(window);
SDL_GetWindowSize(window, &w, &h);
SDL_GetWindowDisplayMode(window, &fullscreen_mode);
SDL_zero(pparams);
pparams.hDeviceWindow = windowinfo.info.win.window;
pparams.BackBufferWidth = w;
pparams.BackBufferHeight = h;
if (window_flags & SDL_WINDOW_FULLSCREEN) {
pparams.BackBufferFormat =
PixelFormatToD3DFMT(fullscreen_mode.format);
} else {
pparams.BackBufferFormat = D3DFMT_UNKNOWN;
}
pparams.BackBufferCount = 1;
pparams.SwapEffect = D3DSWAPEFFECT_DISCARD;
if (window_flags & SDL_WINDOW_FULLSCREEN) {
pparams.Windowed = FALSE;
pparams.FullScreen_RefreshRateInHz =
fullscreen_mode.refresh_rate;
} else {
pparams.Windowed = TRUE;
pparams.FullScreen_RefreshRateInHz = 0;
}
if (flags & SDL_RENDERER_PRESENTVSYNC) {
pparams.PresentationInterval = D3DPRESENT_INTERVAL_ONE;
} else {
pparams.PresentationInterval = D3DPRESENT_INTERVAL_IMMEDIATE;
}
/* FIXME: Which adapter? */
data->adapter = D3DADAPTER_DEFAULT;
IDirect3D9_GetDeviceCaps(data->d3d, data->adapter, D3DDEVTYPE_HAL, &caps);
result = IDirect3D9_CreateDevice(data->d3d, data->adapter,
D3DDEVTYPE_HAL,
pparams.hDeviceWindow,
D3DCREATE_FPU_PRESERVE | ((caps.
DevCaps &
D3DDEVCAPS_HWTRANSFORMANDLIGHT) ?
D3DCREATE_HARDWARE_VERTEXPROCESSING :
D3DCREATE_SOFTWARE_VERTEXPROCESSING),
&pparams, &data->device);
if (FAILED(result)) {
D3D_DestroyRenderer(renderer);
D3D_SetError("CreateDevice()", result);
return NULL;
}
data->beginScene = SDL_TRUE;
data->scaleMode = D3DTEXF_FORCE_DWORD;
/* Get presentation parameters to fill info */
result = IDirect3DDevice9_GetSwapChain(data->device, 0, &chain);
if (FAILED(result)) {
D3D_DestroyRenderer(renderer);
D3D_SetError("GetSwapChain()", result);
return NULL;
}
result = IDirect3DSwapChain9_GetPresentParameters(chain, &pparams);
if (FAILED(result)) {
IDirect3DSwapChain9_Release(chain);
D3D_DestroyRenderer(renderer);
D3D_SetError("GetPresentParameters()", result);
return NULL;
}
IDirect3DSwapChain9_Release(chain);
if (pparams.PresentationInterval == D3DPRESENT_INTERVAL_ONE) {
renderer->info.flags |= SDL_RENDERER_PRESENTVSYNC;
}
data->pparams = pparams;
IDirect3DDevice9_GetDeviceCaps(data->device, &caps);
renderer->info.max_texture_width = caps.MaxTextureWidth;
renderer->info.max_texture_height = caps.MaxTextureHeight;
if (caps.NumSimultaneousRTs >= 2) {
renderer->info.flags |= SDL_RENDERER_TARGETTEXTURE;
}
/* Set up parameters for rendering */
IDirect3DDevice9_SetVertexShader(data->device, NULL);
IDirect3DDevice9_SetFVF(data->device,
D3DFVF_XYZ | D3DFVF_DIFFUSE | D3DFVF_TEX1);
IDirect3DDevice9_SetRenderState(data->device, D3DRS_ZENABLE, D3DZB_FALSE);
IDirect3DDevice9_SetRenderState(data->device, D3DRS_CULLMODE,
D3DCULL_NONE);
IDirect3DDevice9_SetRenderState(data->device, D3DRS_LIGHTING, FALSE);
/* 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);
/* 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);
/* Store the default render target */
IDirect3DDevice9_GetRenderTarget(data->device, 0, &data->defaultRenderTarget );
data->currentRenderTarget = NULL;
/* Set an identity world and view matrix */
matrix.m[0][0] = 1.0f;
matrix.m[0][1] = 0.0f;
matrix.m[0][2] = 0.0f;
matrix.m[0][3] = 0.0f;
matrix.m[1][0] = 0.0f;
matrix.m[1][1] = 1.0f;
matrix.m[1][2] = 0.0f;
matrix.m[1][3] = 0.0f;
matrix.m[2][0] = 0.0f;
matrix.m[2][1] = 0.0f;
matrix.m[2][2] = 1.0f;
matrix.m[2][3] = 0.0f;
matrix.m[3][0] = 0.0f;
matrix.m[3][1] = 0.0f;
matrix.m[3][2] = 0.0f;
matrix.m[3][3] = 1.0f;
IDirect3DDevice9_SetTransform(data->device, D3DTS_WORLD, &matrix);
IDirect3DDevice9_SetTransform(data->device, D3DTS_VIEW, &matrix);
return renderer;
}
static int
D3D_RenderCopy(SDL_Renderer * renderer, SDL_Texture * texture,
const SDL_Rect * srcrect, const SDL_Rect * dstrect)
{
D3D_RenderData *data = (D3D_RenderData *) renderer->driverdata;
D3D_TextureData *texturedata = (D3D_TextureData *) texture->driverdata;
LPDIRECT3DPIXELSHADER9 shader = NULL;
float minx, miny, maxx, maxy;
float minu, maxu, minv, maxv;
DWORD color;
Vertex vertices[4];
HRESULT result;
if (D3D_ActivateRenderer(renderer) < 0) {
return -1;
}
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;
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;
color = D3DCOLOR_ARGB(texture->a, texture->r, texture->g, texture->b);
vertices[0].x = minx;
vertices[0].y = miny;
vertices[0].z = 0.0f;
vertices[0].color = color;
vertices[0].u = minu;
vertices[0].v = minv;
vertices[1].x = maxx;
vertices[1].y = miny;
vertices[1].z = 0.0f;
vertices[1].color = color;
vertices[1].u = maxu;
vertices[1].v = minv;
vertices[2].x = maxx;
vertices[2].y = maxy;
vertices[2].z = 0.0f;
vertices[2].color = color;
vertices[2].u = maxu;
vertices[2].v = maxv;
vertices[3].x = minx;
vertices[3].y = maxy;
vertices[3].z = 0.0f;
vertices[3].color = color;
vertices[3].u = minu;
vertices[3].v = maxv;
D3D_SetBlendMode(data, texture->blendMode);
if (texturedata->scaleMode != data->scaleMode) {
IDirect3DDevice9_SetSamplerState(data->device, 0, D3DSAMP_MINFILTER,
texturedata->scaleMode);
IDirect3DDevice9_SetSamplerState(data->device, 0, D3DSAMP_MAGFILTER,
texturedata->scaleMode);
data->scaleMode = texturedata->scaleMode;
}
result =
IDirect3DDevice9_SetTexture(data->device, 0, (IDirect3DBaseTexture9 *)
texturedata->texture);
if (FAILED(result)) {
D3D_SetError("SetTexture()", result);
return -1;
}
if (shader) {
result = IDirect3DDevice9_SetPixelShader(data->device, shader);
if (FAILED(result)) {
D3D_SetError("SetShader()", result);
return -1;
}
}
result =
IDirect3DDevice9_DrawPrimitiveUP(data->device, D3DPT_TRIANGLEFAN, 2,
vertices, sizeof(*vertices));
if (FAILED(result)) {
D3D_SetError("DrawPrimitiveUP()", result);
return -1;
}
if (shader) {
result = IDirect3DDevice9_SetPixelShader(data->device, NULL);
if (FAILED(result)) {
D3D_SetError("SetShader()", result);
return -1;
}
}
return 0;
}
static int
D3D_RenderCopyEx(SDL_Renderer * renderer, SDL_Texture * texture,
const SDL_Rect * srcrect, const SDL_FRect * dstrect,
const double angle, const SDL_FPoint * center, const SDL_RendererFlip flip)
{
D3D_RenderData *data = (D3D_RenderData *) renderer->driverdata;
D3D_TextureData *texturedata = (D3D_TextureData *) texture->driverdata;
LPDIRECT3DPIXELSHADER9 shader = NULL;
float minx, miny, maxx, maxy;
float minu, maxu, minv, maxv;
float centerx, centery;
DWORD color;
Vertex vertices[4];
HRESULT result;
if (D3D_ActivateRenderer(renderer) < 0) {
return -1;
}
centerx = center->x;
centery = center->y;
if (flip & SDL_FLIP_HORIZONTAL) {
minx = dstrect->w - centerx - 0.5f;
maxx = -centerx - 0.5f;
}
else {
minx = -centerx - 0.5f;
maxx = dstrect->w - centerx - 0.5f;
}
if (flip & SDL_FLIP_VERTICAL) {
miny = dstrect->h - centery - 0.5f;
maxy = -centery - 0.5f;
}
else {
miny = -centery - 0.5f;
maxy = dstrect->h - centery - 0.5f;
}
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;
color = D3DCOLOR_ARGB(texture->a, texture->r, texture->g, texture->b);
vertices[0].x = minx;
vertices[0].y = miny;
vertices[0].z = 0.0f;
vertices[0].color = color;
vertices[0].u = minu;
vertices[0].v = minv;
vertices[1].x = maxx;
vertices[1].y = miny;
vertices[1].z = 0.0f;
vertices[1].color = color;
vertices[1].u = maxu;
vertices[1].v = minv;
vertices[2].x = maxx;
vertices[2].y = maxy;
vertices[2].z = 0.0f;
vertices[2].color = color;
vertices[2].u = maxu;
vertices[2].v = maxv;
vertices[3].x = minx;
vertices[3].y = maxy;
vertices[3].z = 0.0f;
vertices[3].color = color;
vertices[3].u = minu;
vertices[3].v = maxv;
D3D_SetBlendMode(data, texture->blendMode);
// Rotate and translate
ID3DXMatrixStack_Push(data->matrixStack);
ID3DXMatrixStack_LoadIdentity(data->matrixStack);
ID3DXMatrixStack_RotateYawPitchRoll(data->matrixStack, 0.0, 0.0, (float)(M_PI * (float) angle / 180.0f));
ID3DXMatrixStack_Translate(data->matrixStack, (float)dstrect->x + centerx, (float)dstrect->y + centery, (float)0.0);
IDirect3DDevice9_SetTransform(data->device, D3DTS_VIEW, (D3DMATRIX*)ID3DXMatrixStack_GetTop(data->matrixStack));
if (texturedata->scaleMode != data->scaleMode) {
IDirect3DDevice9_SetSamplerState(data->device, 0, D3DSAMP_MINFILTER,
texturedata->scaleMode);
IDirect3DDevice9_SetSamplerState(data->device, 0, D3DSAMP_MAGFILTER,
texturedata->scaleMode);
data->scaleMode = texturedata->scaleMode;
}
result =
IDirect3DDevice9_SetTexture(data->device, 0, (IDirect3DBaseTexture9 *)
texturedata->texture);
if (FAILED(result)) {
D3D_SetError("SetTexture()", result);
return -1;
}
if (shader) {
result = IDirect3DDevice9_SetPixelShader(data->device, shader);
if (FAILED(result)) {
D3D_SetError("SetShader()", result);
return -1;
}
}
result =
IDirect3DDevice9_DrawPrimitiveUP(data->device, D3DPT_TRIANGLEFAN, 2,
vertices, sizeof(*vertices));
if (FAILED(result)) {
D3D_SetError("DrawPrimitiveUP()", result);
return -1;
}
if (shader) {
result = IDirect3DDevice9_SetPixelShader(data->device, NULL);
if (FAILED(result)) {
D3D_SetError("SetShader()", result);
return -1;
}
}
ID3DXMatrixStack_Pop(data->matrixStack);
ID3DXMatrixStack_Push(data->matrixStack);
ID3DXMatrixStack_LoadIdentity(data->matrixStack);
IDirect3DDevice9_SetTransform(data->device, D3DTS_VIEW, (D3DMATRIX*)ID3DXMatrixStack_GetTop(data->matrixStack));
ID3DXMatrixStack_Pop(data->matrixStack);
return 0;
}
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;
if (data->yuv) {
if (SDL_SW_UpdateYUVTexture(data->yuv, rect, pixels, pitch) < 0) {
return -1;
}
UpdateYUVTextureData(texture);
return 0;
} else {
#ifdef SDL_MEMORY_POOL_DEFAULT
IDirect3DTexture9 *temp;
RECT d3drect;
D3DLOCKED_RECT locked;
const Uint8 *src;
Uint8 *dst;
int row, length;
HRESULT result;
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;
}
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);
result =
IDirect3DDevice9_UpdateTexture(renderdata->device,
(IDirect3DBaseTexture9 *) temp,
(IDirect3DBaseTexture9 *)
data->texture);
IDirect3DTexture9_Release(temp);
if (FAILED(result)) {
D3D_SetError("UpdateTexture()", result);
return -1;
}
#else
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;
result =
IDirect3DTexture9_LockRect(data->texture, 0, &locked, &d3drect,
0);
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);
#endif // SDL_MEMORY_POOL_DEFAULT
return 0;
}
}
static int
D3D_RenderDrawRects(SDL_Renderer * renderer, const SDL_Rect ** rects,
int count)
{
D3D_RenderData *data = (D3D_RenderData *) renderer->driverdata;
DWORD color;
int i;
Vertex vertices[5];
HRESULT result;
if (data->beginScene) {
IDirect3DDevice9_BeginScene(data->device);
data->beginScene = SDL_FALSE;
}
D3D_SetBlendMode(data, renderer->blendMode);
result =
IDirect3DDevice9_SetTexture(data->device, 0,
(IDirect3DBaseTexture9 *) 0);
if (FAILED(result)) {
D3D_SetError("SetTexture()", result);
return -1;
}
color = D3DCOLOR_ARGB(renderer->a, renderer->r, renderer->g, renderer->b);
for (i = 0; i < SDL_arraysize(vertices); ++i) {
vertices[i].z = 0.0f;
vertices[i].rhw = 1.0f;
vertices[i].color = color;
vertices[i].u = 0.0f;
vertices[i].v = 0.0f;
}
for (i = 0; i < count; ++i) {
const SDL_Rect *rect = rects[i];
vertices[0].x = (float) rect->x;
vertices[0].y = (float) rect->y;
vertices[1].x = (float) rect->x+rect->w-1;
vertices[1].y = (float) rect->y;
vertices[2].x = (float) rect->x+rect->w-1;
vertices[2].y = (float) rect->y+rect->h-1;
vertices[3].x = (float) rect->x;
vertices[3].y = (float) rect->y+rect->h-1;
vertices[4].x = (float) rect->x;
vertices[4].y = (float) rect->y;
result =
IDirect3DDevice9_DrawPrimitiveUP(data->device, D3DPT_LINESTRIP, 4,
vertices, sizeof(*vertices));
if (FAILED(result)) {
D3D_SetError("DrawPrimitiveUP()", result);
return -1;
}
}
return 0;
}
static int
D3D_RenderCopy(SDL_Renderer * renderer, SDL_Texture * texture,
const SDL_Rect * srcrect, const SDL_Rect * dstrect)
{
D3D_RenderData *data = (D3D_RenderData *) renderer->driverdata;
D3D_TextureData *texturedata = (D3D_TextureData *) texture->driverdata;
LPDIRECT3DPIXELSHADER9 shader = NULL;
float minx, miny, maxx, maxy;
float minu, maxu, minv, maxv;
DWORD color;
Vertex vertices[4];
HRESULT result;
if (data->beginScene) {
IDirect3DDevice9_BeginScene(data->device);
data->beginScene = SDL_FALSE;
}
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;
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;
color = D3DCOLOR_ARGB(texture->a, texture->r, texture->g, texture->b);
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 = minu;
vertices[0].v = minv;
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 = maxu;
vertices[1].v = minv;
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 = maxu;
vertices[2].v = maxv;
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 = minu;
vertices[3].v = maxv;
D3D_SetBlendMode(data, texture->blendMode);
if (texture->blendMode == SDL_BLENDMODE_MASK) {
shader = data->ps_mask;
}
switch (texture->scaleMode) {
case SDL_TEXTURESCALEMODE_NONE:
case SDL_TEXTURESCALEMODE_FAST:
IDirect3DDevice9_SetSamplerState(data->device, 0, D3DSAMP_MINFILTER,
D3DTEXF_POINT);
IDirect3DDevice9_SetSamplerState(data->device, 0, D3DSAMP_MAGFILTER,
D3DTEXF_POINT);
break;
case SDL_TEXTURESCALEMODE_SLOW:
IDirect3DDevice9_SetSamplerState(data->device, 0, D3DSAMP_MINFILTER,
D3DTEXF_LINEAR);
IDirect3DDevice9_SetSamplerState(data->device, 0, D3DSAMP_MAGFILTER,
D3DTEXF_LINEAR);
break;
case SDL_TEXTURESCALEMODE_BEST:
IDirect3DDevice9_SetSamplerState(data->device, 0, D3DSAMP_MINFILTER,
D3DTEXF_GAUSSIANQUAD);
IDirect3DDevice9_SetSamplerState(data->device, 0, D3DSAMP_MAGFILTER,
D3DTEXF_GAUSSIANQUAD);
break;
}
result =
IDirect3DDevice9_SetTexture(data->device, 0, (IDirect3DBaseTexture9 *)
texturedata->texture);
if (FAILED(result)) {
D3D_SetError("SetTexture()", result);
return -1;
}
if (shader) {
result = IDirect3DDevice9_SetPixelShader(data->device, shader);
if (FAILED(result)) {
D3D_SetError("SetShader()", result);
return -1;
}
}
result =
IDirect3DDevice9_DrawPrimitiveUP(data->device, D3DPT_TRIANGLEFAN, 2,
vertices, sizeof(*vertices));
if (FAILED(result)) {
D3D_SetError("DrawPrimitiveUP()", result);
return -1;
}
if (shader) {
result = IDirect3DDevice9_SetPixelShader(data->device, NULL);
if (FAILED(result)) {
D3D_SetError("SetShader()", result);
return -1;
}
}
return 0;
}
SDL_Renderer *
D3D_CreateRenderer(SDL_Window * window, Uint32 flags)
{
SDL_VideoDisplay *display = window->display;
SDL_VideoData *videodata = (SDL_VideoData *) display->device->driverdata;
SDL_WindowData *windowdata = (SDL_WindowData *) window->driverdata;
SDL_Renderer *renderer;
D3D_RenderData *data;
HRESULT result;
D3DPRESENT_PARAMETERS pparams;
IDirect3DSwapChain9 *chain;
D3DCAPS9 caps;
renderer = (SDL_Renderer *) SDL_calloc(1, sizeof(*renderer));
if (!renderer) {
SDL_OutOfMemory();
return NULL;
}
data = (D3D_RenderData *) SDL_calloc(1, sizeof(*data));
if (!data) {
D3D_DestroyRenderer(renderer);
SDL_OutOfMemory();
return NULL;
}
data->d3d = videodata->d3d;
videodata->render = RENDER_D3D;
renderer->DisplayModeChanged = D3D_DisplayModeChanged;
renderer->CreateTexture = D3D_CreateTexture;
renderer->QueryTexturePixels = D3D_QueryTexturePixels;
renderer->SetTexturePalette = D3D_SetTexturePalette;
renderer->GetTexturePalette = D3D_GetTexturePalette;
renderer->SetTextureColorMod = D3D_SetTextureColorMod;
renderer->SetTextureAlphaMod = D3D_SetTextureAlphaMod;
renderer->SetTextureBlendMode = D3D_SetTextureBlendMode;
renderer->SetTextureScaleMode = D3D_SetTextureScaleMode;
renderer->UpdateTexture = D3D_UpdateTexture;
renderer->LockTexture = D3D_LockTexture;
renderer->UnlockTexture = D3D_UnlockTexture;
renderer->DirtyTexture = D3D_DirtyTexture;
renderer->RenderDrawPoints = D3D_RenderDrawPoints;
renderer->RenderDrawLines = D3D_RenderDrawLines;
renderer->RenderDrawRects = D3D_RenderDrawRects;
renderer->RenderFillRects = D3D_RenderFillRects;
renderer->RenderCopy = D3D_RenderCopy;
renderer->RenderReadPixels = D3D_RenderReadPixels;
renderer->RenderWritePixels = D3D_RenderWritePixels;
renderer->RenderPresent = D3D_RenderPresent;
renderer->DestroyTexture = D3D_DestroyTexture;
renderer->DestroyRenderer = D3D_DestroyRenderer;
renderer->info = D3D_RenderDriver.info;
renderer->window = window;
renderer->driverdata = data;
renderer->info.flags = SDL_RENDERER_ACCELERATED;
SDL_zero(pparams);
pparams.BackBufferWidth = window->w;
pparams.BackBufferHeight = window->h;
if (window->flags & SDL_WINDOW_FULLSCREEN) {
pparams.BackBufferFormat =
PixelFormatToD3DFMT(window->fullscreen_mode.format);
} else {
pparams.BackBufferFormat = D3DFMT_UNKNOWN;
}
if (flags & SDL_RENDERER_PRESENTFLIP2) {
pparams.BackBufferCount = 2;
pparams.SwapEffect = D3DSWAPEFFECT_FLIP;
} else if (flags & SDL_RENDERER_PRESENTFLIP3) {
pparams.BackBufferCount = 3;
pparams.SwapEffect = D3DSWAPEFFECT_FLIP;
} else if (flags & SDL_RENDERER_PRESENTCOPY) {
pparams.BackBufferCount = 1;
pparams.SwapEffect = D3DSWAPEFFECT_COPY;
} else {
pparams.BackBufferCount = 1;
pparams.SwapEffect = D3DSWAPEFFECT_DISCARD;
}
if (window->flags & SDL_WINDOW_FULLSCREEN) {
pparams.Windowed = FALSE;
pparams.FullScreen_RefreshRateInHz =
window->fullscreen_mode.refresh_rate;
} else {
pparams.Windowed = TRUE;
pparams.FullScreen_RefreshRateInHz = 0;
}
if (flags & SDL_RENDERER_PRESENTVSYNC) {
pparams.PresentationInterval = D3DPRESENT_INTERVAL_ONE;
} else {
pparams.PresentationInterval = D3DPRESENT_INTERVAL_IMMEDIATE;
}
data->adapter = D3D_FindAdapter(videodata->d3d, display);
IDirect3D9_GetDeviceCaps(videodata->d3d, data->adapter,
D3DDEVTYPE_HAL, &caps);
result = IDirect3D9_CreateDevice(videodata->d3d, data->adapter,
D3DDEVTYPE_HAL,
windowdata->hwnd,
(caps.
DevCaps &
D3DDEVCAPS_HWTRANSFORMANDLIGHT) ?
D3DCREATE_HARDWARE_VERTEXPROCESSING :
D3DCREATE_SOFTWARE_VERTEXPROCESSING,
&pparams, &data->device);
if (FAILED(result)) {
D3D_DestroyRenderer(renderer);
D3D_SetError("CreateDevice()", result);
return NULL;
}
data->beginScene = SDL_TRUE;
/* Get presentation parameters to fill info */
result = IDirect3DDevice9_GetSwapChain(data->device, 0, &chain);
if (FAILED(result)) {
D3D_DestroyRenderer(renderer);
D3D_SetError("GetSwapChain()", result);
return NULL;
}
result = IDirect3DSwapChain9_GetPresentParameters(chain, &pparams);
if (FAILED(result)) {
IDirect3DSwapChain9_Release(chain);
D3D_DestroyRenderer(renderer);
D3D_SetError("GetPresentParameters()", result);
return NULL;
}
IDirect3DSwapChain9_Release(chain);
switch (pparams.SwapEffect) {
case D3DSWAPEFFECT_COPY:
renderer->info.flags |= SDL_RENDERER_PRESENTCOPY;
break;
case D3DSWAPEFFECT_FLIP:
switch (pparams.BackBufferCount) {
case 2:
renderer->info.flags |= SDL_RENDERER_PRESENTFLIP2;
break;
case 3:
renderer->info.flags |= SDL_RENDERER_PRESENTFLIP3;
break;
}
break;
case D3DSWAPEFFECT_DISCARD:
renderer->info.flags |= SDL_RENDERER_PRESENTDISCARD;
break;
}
if (pparams.PresentationInterval == D3DPRESENT_INTERVAL_ONE) {
renderer->info.flags |= SDL_RENDERER_PRESENTVSYNC;
}
data->pparams = pparams;
IDirect3DDevice9_GetDeviceCaps(data->device, &caps);
renderer->info.max_texture_width = caps.MaxTextureWidth;
renderer->info.max_texture_height = caps.MaxTextureHeight;
/* Set up parameters for rendering */
IDirect3DDevice9_SetVertexShader(data->device, NULL);
IDirect3DDevice9_SetFVF(data->device,
D3DFVF_XYZRHW | D3DFVF_DIFFUSE | D3DFVF_TEX1);
IDirect3DDevice9_SetRenderState(data->device, D3DRS_ZENABLE, D3DZB_FALSE);
IDirect3DDevice9_SetRenderState(data->device, D3DRS_CULLMODE,
D3DCULL_NONE);
IDirect3DDevice9_SetRenderState(data->device, D3DRS_LIGHTING, FALSE);
/* 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);
/* 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);
{
#ifdef ASSEMBLE_SHADER
const char *shader_text =
"ps_1_1\n"
"def c0, 0, 0, 0, 0.496\n"
"def c1, 0, 0, 0, 1\n"
"def c2, 0, 0, 0, -1\n"
"tex t0\n"
"mul r1, t0, v0\n"
"add r0, r1, c0\n"
"cnd r0, r0.a, c1, c2\n"
"add r0, r0, r1\n";
LPD3DXBUFFER pCode; // buffer with the assembled shader code
LPD3DXBUFFER pErrorMsgs; // buffer with error messages
LPDWORD shader_data;
DWORD shader_size;
result = D3DXAssembleShader( shader_text, SDL_strlen(shader_text), NULL, NULL, 0, &pCode, &pErrorMsgs );
if (FAILED(result)) {
D3D_SetError("D3DXAssembleShader()", result);
}
shader_data = (DWORD*)pCode->lpVtbl->GetBufferPointer(pCode);
shader_size = pCode->lpVtbl->GetBufferSize(pCode);
#else
const DWORD shader_data[] = {
0xffff0101,0x00000051,0xa00f0000,0x00000000,0x00000000,0x00000000,
0x3efdf3b6,0x00000051,0xa00f0001,0x00000000,0x00000000,0x00000000,
0x3f800000,0x00000051,0xa00f0002,0x00000000,0x00000000,0x00000000,
0xbf800000,0x00000042,0xb00f0000,0x00000005,0x800f0001,0xb0e40000,
0x90e40000,0x00000002,0x800f0000,0x80e40001,0xa0e40000,0x00000050,
0x800f0000,0x80ff0000,0xa0e40001,0xa0e40002,0x00000002,0x800f0000,
0x80e40000,0x80e40001,0x0000ffff
};
#endif
result = IDirect3DDevice9_CreatePixelShader(data->device, shader_data, &data->ps_mask);
if (FAILED(result)) {
D3D_SetError("CreatePixelShader()", result);
}
}
return renderer;
}
static int
D3D_RenderFillRects(SDL_Renderer * renderer, const SDL_Rect * rects,
int count)
{
D3D_RenderData *data = (D3D_RenderData *) renderer->driverdata;
DWORD color;
int i;
float minx, miny, maxx, maxy;
Vertex vertices[4];
HRESULT result;
if (D3D_ActivateRenderer(renderer) < 0) {
return -1;
}
D3D_SetBlendMode(data, renderer->blendMode);
result =
IDirect3DDevice9_SetTexture(data->device, 0,
(IDirect3DBaseTexture9 *) 0);
if (FAILED(result)) {
D3D_SetError("SetTexture()", result);
return -1;
}
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].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].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].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].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;
}
}
return 0;
}
SDL_Renderer *
D3D_CreateRenderer(SDL_Window * window, Uint32 flags)
{
SDL_VideoDisplay *display = SDL_GetDisplayFromWindow(window);
SDL_VideoData *videodata = (SDL_VideoData *) display->device->driverdata;
SDL_WindowData *windowdata = (SDL_WindowData *) window->driverdata;
SDL_Renderer *renderer;
D3D_RenderData *data;
HRESULT result;
D3DPRESENT_PARAMETERS pparams;
IDirect3DSwapChain9 *chain;
D3DCAPS9 caps;
renderer = (SDL_Renderer *) SDL_calloc(1, sizeof(*renderer));
if (!renderer) {
SDL_OutOfMemory();
return NULL;
}
data = (D3D_RenderData *) SDL_calloc(1, sizeof(*data));
if (!data) {
D3D_DestroyRenderer(renderer);
SDL_OutOfMemory();
return NULL;
}
data->d3d = videodata->d3d;
renderer->DisplayModeChanged = D3D_DisplayModeChanged;
renderer->CreateTexture = D3D_CreateTexture;
renderer->QueryTexturePixels = D3D_QueryTexturePixels;
renderer->SetTexturePalette = D3D_SetTexturePalette;
renderer->GetTexturePalette = D3D_GetTexturePalette;
renderer->SetTextureColorMod = D3D_SetTextureColorMod;
renderer->SetTextureAlphaMod = D3D_SetTextureAlphaMod;
renderer->SetTextureBlendMode = D3D_SetTextureBlendMode;
renderer->SetTextureScaleMode = D3D_SetTextureScaleMode;
renderer->UpdateTexture = D3D_UpdateTexture;
renderer->LockTexture = D3D_LockTexture;
renderer->UnlockTexture = D3D_UnlockTexture;
renderer->DirtyTexture = D3D_DirtyTexture;
renderer->RenderPoint = D3D_RenderPoint;
renderer->RenderLine = D3D_RenderLine;
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;
renderer->window = window->id;
renderer->driverdata = data;
renderer->info.flags = SDL_RENDERER_ACCELERATED;
SDL_zero(pparams);
pparams.BackBufferWidth = window->w;
pparams.BackBufferHeight = window->h;
if (window->flags & SDL_WINDOW_FULLSCREEN) {
pparams.BackBufferFormat =
PixelFormatToD3DFMT(display->fullscreen_mode.format);
} else {
pparams.BackBufferFormat = D3DFMT_UNKNOWN;
}
if (flags & SDL_RENDERER_PRESENTFLIP2) {
pparams.BackBufferCount = 2;
pparams.SwapEffect = D3DSWAPEFFECT_FLIP;
} else if (flags & SDL_RENDERER_PRESENTFLIP3) {
pparams.BackBufferCount = 3;
pparams.SwapEffect = D3DSWAPEFFECT_FLIP;
} else if (flags & SDL_RENDERER_PRESENTCOPY) {
pparams.BackBufferCount = 1;
pparams.SwapEffect = D3DSWAPEFFECT_COPY;
} else {
pparams.BackBufferCount = 1;
pparams.SwapEffect = D3DSWAPEFFECT_DISCARD;
}
if (window->flags & SDL_WINDOW_FULLSCREEN) {
pparams.Windowed = FALSE;
pparams.FullScreen_RefreshRateInHz =
display->fullscreen_mode.refresh_rate;
} else {
pparams.Windowed = TRUE;
pparams.FullScreen_RefreshRateInHz = 0;
}
if (flags & SDL_RENDERER_PRESENTVSYNC) {
pparams.PresentationInterval = D3DPRESENT_INTERVAL_ONE;
} else {
pparams.PresentationInterval = D3DPRESENT_INTERVAL_IMMEDIATE;
}
IDirect3D9_GetDeviceCaps(videodata->d3d, D3DADAPTER_DEFAULT,
D3DDEVTYPE_HAL, &caps);
result = IDirect3D9_CreateDevice(videodata->d3d, D3DADAPTER_DEFAULT, /* FIXME */
D3DDEVTYPE_HAL,
windowdata->hwnd,
(caps.
DevCaps &
D3DDEVCAPS_HWTRANSFORMANDLIGHT) ?
D3DCREATE_HARDWARE_VERTEXPROCESSING :
D3DCREATE_SOFTWARE_VERTEXPROCESSING,
&pparams, &data->device);
if (FAILED(result)) {
D3D_DestroyRenderer(renderer);
D3D_SetError("CreateDevice()", result);
return NULL;
}
data->beginScene = SDL_TRUE;
/* Get presentation parameters to fill info */
result = IDirect3DDevice9_GetSwapChain(data->device, 0, &chain);
if (FAILED(result)) {
D3D_DestroyRenderer(renderer);
D3D_SetError("GetSwapChain()", result);
return NULL;
}
result = IDirect3DSwapChain9_GetPresentParameters(chain, &pparams);
if (FAILED(result)) {
IDirect3DSwapChain9_Release(chain);
D3D_DestroyRenderer(renderer);
D3D_SetError("GetPresentParameters()", result);
return NULL;
}
IDirect3DSwapChain9_Release(chain);
switch (pparams.SwapEffect) {
case D3DSWAPEFFECT_COPY:
renderer->info.flags |= SDL_RENDERER_PRESENTCOPY;
break;
case D3DSWAPEFFECT_FLIP:
switch (pparams.BackBufferCount) {
case 2:
renderer->info.flags |= SDL_RENDERER_PRESENTFLIP2;
break;
case 3:
renderer->info.flags |= SDL_RENDERER_PRESENTFLIP3;
break;
}
break;
case D3DSWAPEFFECT_DISCARD:
renderer->info.flags |= SDL_RENDERER_PRESENTDISCARD;
break;
}
if (pparams.PresentationInterval == D3DPRESENT_INTERVAL_ONE) {
renderer->info.flags |= SDL_RENDERER_PRESENTVSYNC;
}
data->pparams = pparams;
IDirect3DDevice9_GetDeviceCaps(data->device, &caps);
renderer->info.max_texture_width = caps.MaxTextureWidth;
renderer->info.max_texture_height = caps.MaxTextureHeight;
/* Set up parameters for rendering */
IDirect3DDevice9_SetVertexShader(data->device, NULL);
IDirect3DDevice9_SetFVF(data->device,
D3DFVF_XYZRHW | D3DFVF_DIFFUSE | D3DFVF_TEX1);
IDirect3DDevice9_SetRenderState(data->device, D3DRS_ZENABLE, D3DZB_FALSE);
IDirect3DDevice9_SetRenderState(data->device, D3DRS_CULLMODE,
D3DCULL_NONE);
IDirect3DDevice9_SetRenderState(data->device, D3DRS_LIGHTING, FALSE);
/* 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);
/* 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);
return renderer;
}
