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/**************************************************************************
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* Copyright 2009 VMware, Inc.
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sub license, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
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* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
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* USE OR OTHER DEALINGS IN THE SOFTWARE.
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial portions
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**************************************************************************/
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* @author Jose Fonseca <jfonseca@vmware.com>
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#include "pipe/p_format.h"
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#include "pipe/p_context.h"
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#include "util/u_inlines.h"
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#include "util/u_format.h"
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#include "util/u_math.h"
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#include "util/u_memory.h"
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#include "llvmpipe/lp_winsys.h"
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#include "llvmpipe/lp_texture.h"
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#include "stw_winsys.h"
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struct gdi_llvmpipe_displaytarget
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enum pipe_format format;
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static INLINE struct gdi_llvmpipe_displaytarget *
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gdi_llvmpipe_displaytarget( struct llvmpipe_displaytarget *buf )
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return (struct gdi_llvmpipe_displaytarget *)buf;
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gdi_llvmpipe_is_displaytarget_format_supported( struct llvmpipe_winsys *ws,
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enum pipe_format format )
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case PIPE_FORMAT_B8G8R8X8_UNORM:
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case PIPE_FORMAT_B8G8R8A8_UNORM:
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/* TODO: Support other formats possible with BMPs, as described in
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* http://msdn.microsoft.com/en-us/library/dd183376(VS.85).aspx */
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gdi_llvmpipe_displaytarget_map(struct llvmpipe_winsys *ws,
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struct llvmpipe_displaytarget *dt,
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struct gdi_llvmpipe_displaytarget *gdt = gdi_llvmpipe_displaytarget(dt);
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gdi_llvmpipe_displaytarget_unmap(struct llvmpipe_winsys *ws,
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struct llvmpipe_displaytarget *dt )
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gdi_llvmpipe_displaytarget_destroy(struct llvmpipe_winsys *winsys,
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struct llvmpipe_displaytarget *dt)
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struct gdi_llvmpipe_displaytarget *gdt = gdi_llvmpipe_displaytarget(dt);
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align_free(gdt->data);
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static struct llvmpipe_displaytarget *
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gdi_llvmpipe_displaytarget_create(struct llvmpipe_winsys *winsys,
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enum pipe_format format,
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unsigned width, unsigned height,
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struct gdi_llvmpipe_displaytarget *gdt;
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gdt = CALLOC_STRUCT(gdi_llvmpipe_displaytarget);
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gdt->format = format;
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gdt->height = height;
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bpp = util_format_get_blocksizebits(format);
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cpp = util_format_get_blocksize(format);
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gdt->stride = align(width * cpp, alignment);
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gdt->size = gdt->stride * height;
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gdt->data = align_malloc(gdt->size, alignment);
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gdt->bmi.bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
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gdt->bmi.bmiHeader.biWidth = gdt->stride / cpp;
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gdt->bmi.bmiHeader.biHeight= -(long)height;
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gdt->bmi.bmiHeader.biPlanes = 1;
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gdt->bmi.bmiHeader.biBitCount = bpp;
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gdt->bmi.bmiHeader.biCompression = BI_RGB;
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gdt->bmi.bmiHeader.biSizeImage = 0;
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gdt->bmi.bmiHeader.biXPelsPerMeter = 0;
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gdt->bmi.bmiHeader.biYPelsPerMeter = 0;
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gdt->bmi.bmiHeader.biClrUsed = 0;
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gdt->bmi.bmiHeader.biClrImportant = 0;
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*stride = gdt->stride;
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return (struct llvmpipe_displaytarget *)gdt;
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gdi_llvmpipe_displaytarget_display(struct llvmpipe_winsys *winsys,
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struct llvmpipe_displaytarget *dt,
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void *context_private)
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gdi_llvmpipe_destroy(struct llvmpipe_winsys *winsys)
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static struct pipe_screen *
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gdi_llvmpipe_screen_create(void)
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static struct llvmpipe_winsys *winsys;
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struct pipe_screen *screen;
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winsys = CALLOC_STRUCT(llvmpipe_winsys);
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winsys->destroy = gdi_llvmpipe_destroy;
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winsys->is_displaytarget_format_supported = gdi_llvmpipe_is_displaytarget_format_supported;
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winsys->displaytarget_create = gdi_llvmpipe_displaytarget_create;
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winsys->displaytarget_map = gdi_llvmpipe_displaytarget_map;
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winsys->displaytarget_unmap = gdi_llvmpipe_displaytarget_unmap;
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winsys->displaytarget_display = gdi_llvmpipe_displaytarget_display;
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winsys->displaytarget_destroy = gdi_llvmpipe_displaytarget_destroy;
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screen = llvmpipe_create_screen(winsys);
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gdi_llvmpipe_present(struct pipe_screen *screen,
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struct pipe_surface *surface,
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struct llvmpipe_texture *texture;
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struct gdi_llvmpipe_displaytarget *gdt;
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texture = llvmpipe_texture(surface->texture);
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gdt = gdi_llvmpipe_displaytarget(texture->dt);
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0, 0, gdt->width, gdt->height,
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0, 0, gdt->width, gdt->height,
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gdt->data, &gdt->bmi, 0, SRCCOPY);
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static const struct stw_winsys stw_winsys = {
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&gdi_llvmpipe_screen_create,
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&gdi_llvmpipe_present,
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NULL, /* get_adapter_luid */
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NULL, /* shared_surface_open */
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NULL, /* shared_surface_close */
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DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpReserved)
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case DLL_PROCESS_ATTACH:
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stw_init(&stw_winsys);
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case DLL_THREAD_ATTACH:
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case DLL_THREAD_DETACH:
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stw_cleanup_thread();
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case DLL_PROCESS_DETACH:
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stw_cleanup_thread();