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comparison src/video/win32/SDL_d3drender.c @ 1905:36d52b1f0504

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Prefer the D3D renderer over GDI, at least for testing. Added support for the SDL_VIDEO_RENDERER environment variable to pick the desired render driver. Implemented WritePixels support for the D3D renderer.
author Sam Lantinga <slouken@libsdl.org>
date Fri, 14 Jul 2006 08:22:45 +0000
parents 1a713f9d1f71
children 06c27a737b7a
comparison
equal deleted inserted replaced
1904:1a713f9d1f71 1905:36d52b1f0504
72 72
73 SDL_RenderDriver SDL_D3D_RenderDriver = { 73 SDL_RenderDriver SDL_D3D_RenderDriver = {
74 SDL_D3D_CreateRenderer, 74 SDL_D3D_CreateRenderer,
75 { 75 {
76 "d3d", 76 "d3d",
77 ( //SDL_Renderer_Minimal | 77 (SDL_Renderer_SingleBuffer | SDL_Renderer_PresentCopy |
78 SDL_Renderer_SingleBuffer | SDL_Renderer_PresentCopy | 78 SDL_Renderer_PresentFlip2 | SDL_Renderer_PresentFlip3 |
79 SDL_Renderer_PresentFlip2 | SDL_Renderer_PresentFlip3 | 79 SDL_Renderer_PresentDiscard | SDL_Renderer_RenderTarget),
80 SDL_Renderer_PresentDiscard | SDL_Renderer_RenderTarget),
81 (SDL_TextureBlendMode_None | 80 (SDL_TextureBlendMode_None |
82 SDL_TextureBlendMode_Mask | SDL_TextureBlendMode_Blend), 81 SDL_TextureBlendMode_Mask | SDL_TextureBlendMode_Blend),
83 (SDL_TextureScaleMode_None | SDL_TextureScaleMode_Fast), 82 (SDL_TextureScaleMode_None | SDL_TextureScaleMode_Fast),
84 12, 83 12,
85 { 84 {
100 }; 99 };
101 100
102 typedef struct 101 typedef struct
103 { 102 {
104 IDirect3DDevice9 *device; 103 IDirect3DDevice9 *device;
104 IDirect3DSurface9 *surface;
105 IDirect3DSurface9 *offscreen;
105 SDL_bool beginScene; 106 SDL_bool beginScene;
106 } SDL_D3D_RenderData; 107 } SDL_D3D_RenderData;
107 108
108 typedef struct 109 typedef struct
109 { 110 {
528 529
529 static void 530 static void
530 SDL_D3D_SelectRenderTexture(SDL_Renderer * renderer, SDL_Texture * texture) 531 SDL_D3D_SelectRenderTexture(SDL_Renderer * renderer, SDL_Texture * texture)
531 { 532 {
532 SDL_D3D_RenderData *data = (SDL_D3D_RenderData *) renderer->driverdata; 533 SDL_D3D_RenderData *data = (SDL_D3D_RenderData *) renderer->driverdata;
534
535 /* FIXME */
533 } 536 }
534 537
535 static int 538 static int
536 SDL_D3D_RenderFill(SDL_Renderer * renderer, const SDL_Rect * rect, 539 SDL_D3D_RenderFill(SDL_Renderer * renderer, const SDL_Rect * rect,
537 Uint32 color) 540 Uint32 color)
638 SDL_D3D_RenderReadPixels(SDL_Renderer * renderer, const SDL_Rect * rect, 641 SDL_D3D_RenderReadPixels(SDL_Renderer * renderer, const SDL_Rect * rect,
639 void *pixels, int pitch) 642 void *pixels, int pitch)
640 { 643 {
641 SDL_D3D_RenderData *data = (SDL_D3D_RenderData *) renderer->driverdata; 644 SDL_D3D_RenderData *data = (SDL_D3D_RenderData *) renderer->driverdata;
642 645
646 /* FIXME */
643 return 0; 647 return 0;
644 } 648 }
645 649
646 static int 650 static int
647 SDL_D3D_RenderWritePixels(SDL_Renderer * renderer, const SDL_Rect * rect, 651 SDL_D3D_RenderWritePixels(SDL_Renderer * renderer, const SDL_Rect * rect,
648 const void *pixels, int pitch) 652 const void *pixels, int pitch)
649 { 653 {
654 SDL_Window *window = SDL_GetWindowFromID(renderer->window);
655 SDL_VideoDisplay *display = SDL_GetDisplayFromWindow(window);
650 SDL_D3D_RenderData *data = (SDL_D3D_RenderData *) renderer->driverdata; 656 SDL_D3D_RenderData *data = (SDL_D3D_RenderData *) renderer->driverdata;
657 RECT d3drect;
658 POINT point;
659 D3DLOCKED_RECT locked;
660 const Uint8 *src;
661 Uint8 *dst;
662 int row, length;
663 HRESULT result;
664
665 if (!data->surface) {
666 result =
667 IDirect3DDevice9_GetBackBuffer(data->device, 0, 0,
668 D3DBACKBUFFER_TYPE_MONO,
669 &data->surface);
670 if (FAILED(result)) {
671 D3D_SetError("GetBackBuffer()", result);
672 return -1;
673 }
674 }
675 if (!data->offscreen) {
676 result =
677 IDirect3DDevice9_CreateOffscreenPlainSurface(data->device,
678 window->w, window->h,
679 PixelFormatToD3DFMT
680 (display->
681 current_mode.
682 format),
683 D3DPOOL_SYSTEMMEM,
684 &data->offscreen,
685 NULL);
686 if (FAILED(result)) {
687 D3D_SetError("CreateOffscreenPlainSurface()", result);
688 return -1;
689 }
690 }
691
692 d3drect.left = rect->x;
693 d3drect.right = rect->x + rect->w;
694 d3drect.top = rect->y;
695 d3drect.bottom = rect->y + rect->h;
696
697 result =
698 IDirect3DSurface9_LockRect(data->offscreen, &locked, &d3drect, 0);
699 if (FAILED(result)) {
700 D3D_SetError("LockRect()", result);
701 return -1;
702 }
703
704 src = pixels;
705 dst = locked.pBits;
706 length = rect->w * SDL_BYTESPERPIXEL(display->current_mode.format);
707 for (row = 0; row < rect->h; ++row) {
708 SDL_memcpy(dst, src, length);
709 src += pitch;
710 dst += locked.Pitch;
711 }
712 IDirect3DSurface9_UnlockRect(data->offscreen);
713
714 point.x = rect->x;
715 point.y = rect->y;
716 result =
717 IDirect3DDevice9_UpdateSurface(data->device, data->offscreen,
718 &d3drect, data->surface, &point);
719 if (FAILED(result)) {
720 D3D_SetError("UpdateSurface()", result);
721 return -1;
722 }
651 723
652 return 0; 724 return 0;
653 } 725 }
654 726
655 static void 727 static void
691 763
692 if (data) { 764 if (data) {
693 if (data->device) { 765 if (data->device) {
694 IDirect3DDevice9_Release(data->device); 766 IDirect3DDevice9_Release(data->device);
695 } 767 }
768 if (data->surface) {
769 IDirect3DSurface9_Release(data->surface);
770 }
771 if (data->offscreen) {
772 IDirect3DSurface9_Release(data->offscreen);
773 }
696 SDL_free(data); 774 SDL_free(data);
697 } 775 }
698 SDL_free(renderer); 776 SDL_free(renderer);
699 } 777 }
700 778