diff options
Diffstat (limited to 'src/gallium/state_trackers/wgl/shared')
16 files changed, 2094 insertions, 0 deletions
diff --git a/src/gallium/state_trackers/wgl/shared/stw_arbextensionsstring.c b/src/gallium/state_trackers/wgl/shared/stw_arbextensionsstring.c new file mode 100644 index 0000000000..b3934cb464 --- /dev/null +++ b/src/gallium/state_trackers/wgl/shared/stw_arbextensionsstring.c @@ -0,0 +1,42 @@ +/************************************************************************** + * + * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + +#include <windows.h> + +#include "stw_arbextensionsstring.h" + +WINGDIAPI const char * APIENTRY +wglGetExtensionsStringARB( + HDC hdc ) +{ + (void) hdc; + + return + "WGL_ARB_extensions_string " + "WGL_ARB_multisample " + "WGL_ARB_pixel_format"; +} diff --git a/src/gallium/state_trackers/wgl/shared/stw_arbextensionsstring.h b/src/gallium/state_trackers/wgl/shared/stw_arbextensionsstring.h new file mode 100644 index 0000000000..a0e4c5d98e --- /dev/null +++ b/src/gallium/state_trackers/wgl/shared/stw_arbextensionsstring.h @@ -0,0 +1,35 @@ +/************************************************************************** + * + * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + +#ifndef WGL_ARBEXTENSIONSSTRING_H +#define WGL_ARBEXTENSIONSSTRING_H + +WINGDIAPI const char * APIENTRY +wglGetExtensionsStringARB( + HDC hdc ); + +#endif /* WGL_ARBEXTENSIONSSTRING_H */ diff --git a/src/gallium/state_trackers/wgl/shared/stw_arbpixelformat.c b/src/gallium/state_trackers/wgl/shared/stw_arbpixelformat.c new file mode 100644 index 0000000000..f563635420 --- /dev/null +++ b/src/gallium/state_trackers/wgl/shared/stw_arbpixelformat.c @@ -0,0 +1,519 @@ +/************************************************************************** + * + * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + +#include <windows.h> + +#include "pipe/p_compiler.h" +#include "util/u_memory.h" +#include "stw_public.h" +#include "stw_pixelformat.h" +#include "stw_arbpixelformat.h" + +#define WGL_NUMBER_PIXEL_FORMATS_ARB 0x2000 +#define WGL_DRAW_TO_WINDOW_ARB 0x2001 +#define WGL_DRAW_TO_BITMAP_ARB 0x2002 +#define WGL_ACCELERATION_ARB 0x2003 +#define WGL_NEED_PALETTE_ARB 0x2004 +#define WGL_NEED_SYSTEM_PALETTE_ARB 0x2005 +#define WGL_SWAP_LAYER_BUFFERS_ARB 0x2006 +#define WGL_SWAP_METHOD_ARB 0x2007 +#define WGL_NUMBER_OVERLAYS_ARB 0x2008 +#define WGL_NUMBER_UNDERLAYS_ARB 0x2009 +#define WGL_TRANSPARENT_ARB 0x200A +#define WGL_TRANSPARENT_RED_VALUE_ARB 0x2037 +#define WGL_TRANSPARENT_GREEN_VALUE_ARB 0x2038 +#define WGL_TRANSPARENT_BLUE_VALUE_ARB 0x2039 +#define WGL_TRANSPARENT_ALPHA_VALUE_ARB 0x203A +#define WGL_TRANSPARENT_INDEX_VALUE_ARB 0x203B +#define WGL_SHARE_DEPTH_ARB 0x200C +#define WGL_SHARE_STENCIL_ARB 0x200D +#define WGL_SHARE_ACCUM_ARB 0x200E +#define WGL_SUPPORT_GDI_ARB 0x200F +#define WGL_SUPPORT_OPENGL_ARB 0x2010 +#define WGL_DOUBLE_BUFFER_ARB 0x2011 +#define WGL_STEREO_ARB 0x2012 +#define WGL_PIXEL_TYPE_ARB 0x2013 +#define WGL_COLOR_BITS_ARB 0x2014 +#define WGL_RED_BITS_ARB 0x2015 +#define WGL_RED_SHIFT_ARB 0x2016 +#define WGL_GREEN_BITS_ARB 0x2017 +#define WGL_GREEN_SHIFT_ARB 0x2018 +#define WGL_BLUE_BITS_ARB 0x2019 +#define WGL_BLUE_SHIFT_ARB 0x201A +#define WGL_ALPHA_BITS_ARB 0x201B +#define WGL_ALPHA_SHIFT_ARB 0x201C +#define WGL_ACCUM_BITS_ARB 0x201D +#define WGL_ACCUM_RED_BITS_ARB 0x201E +#define WGL_ACCUM_GREEN_BITS_ARB 0x201F +#define WGL_ACCUM_BLUE_BITS_ARB 0x2020 +#define WGL_ACCUM_ALPHA_BITS_ARB 0x2021 +#define WGL_DEPTH_BITS_ARB 0x2022 +#define WGL_STENCIL_BITS_ARB 0x2023 +#define WGL_AUX_BUFFERS_ARB 0x2024 + +#define WGL_NO_ACCELERATION_ARB 0x2025 +#define WGL_GENERIC_ACCELERATION_ARB 0x2026 +#define WGL_FULL_ACCELERATION_ARB 0x2027 + +#define WGL_SWAP_EXCHANGE_ARB 0x2028 +#define WGL_SWAP_COPY_ARB 0x2029 +#define WGL_SWAP_UNDEFINED_ARB 0x202A + +#define WGL_TYPE_RGBA_ARB 0x202B +#define WGL_TYPE_COLORINDEX_ARB 0x202C + +/* From arb_multisample: + */ +#define WGL_SAMPLE_BUFFERS_ARB 0x2041 +#define WGL_SAMPLES_ARB 0x2042 + + +static boolean +query_attrib( + int iPixelFormat, + int iLayerPlane, + int attrib, + int *pvalue ) +{ + uint count; + uint index; + const struct pixelformat_info *pf; + + count = pixelformat_get_extended_count(); + + if (attrib == WGL_NUMBER_PIXEL_FORMATS_ARB) { + *pvalue = (int) count; + return TRUE; + } + + index = (uint) iPixelFormat - 1; + if (index >= count) + return FALSE; + + pf = pixelformat_get_info( index ); + + switch (attrib) { + case WGL_DRAW_TO_WINDOW_ARB: + *pvalue = TRUE; + return TRUE; + + case WGL_DRAW_TO_BITMAP_ARB: + *pvalue = FALSE; + return TRUE; + + case WGL_NEED_PALETTE_ARB: + *pvalue = FALSE; + return TRUE; + + case WGL_NEED_SYSTEM_PALETTE_ARB: + *pvalue = FALSE; + return TRUE; + + case WGL_SWAP_METHOD_ARB: + if (pf->flags & PF_FLAG_DOUBLEBUFFER) + *pvalue = WGL_SWAP_COPY_ARB; + else + *pvalue = WGL_SWAP_UNDEFINED_ARB; + return TRUE; + + case WGL_SWAP_LAYER_BUFFERS_ARB: + *pvalue = FALSE; + return TRUE; + + case WGL_NUMBER_OVERLAYS_ARB: + *pvalue = 0; + return TRUE; + + case WGL_NUMBER_UNDERLAYS_ARB: + *pvalue = 0; + return TRUE; + } + + if (iLayerPlane != 0) + return FALSE; + + switch (attrib) { + case WGL_ACCELERATION_ARB: + *pvalue = WGL_FULL_ACCELERATION_ARB; + break; + + case WGL_TRANSPARENT_ARB: + *pvalue = FALSE; + break; + + case WGL_TRANSPARENT_RED_VALUE_ARB: + case WGL_TRANSPARENT_GREEN_VALUE_ARB: + case WGL_TRANSPARENT_BLUE_VALUE_ARB: + case WGL_TRANSPARENT_ALPHA_VALUE_ARB: + case WGL_TRANSPARENT_INDEX_VALUE_ARB: + break; + + case WGL_SHARE_DEPTH_ARB: + case WGL_SHARE_STENCIL_ARB: + case WGL_SHARE_ACCUM_ARB: + *pvalue = TRUE; + break; + + case WGL_SUPPORT_GDI_ARB: + *pvalue = FALSE; + break; + + case WGL_SUPPORT_OPENGL_ARB: + *pvalue = TRUE; + break; + + case WGL_DOUBLE_BUFFER_ARB: + if (pf->flags & PF_FLAG_DOUBLEBUFFER) + *pvalue = TRUE; + else + *pvalue = FALSE; + break; + + case WGL_STEREO_ARB: + *pvalue = FALSE; + break; + + case WGL_PIXEL_TYPE_ARB: + *pvalue = WGL_TYPE_RGBA_ARB; + break; + + case WGL_COLOR_BITS_ARB: + *pvalue = (int) (pf->color.redbits + pf->color.greenbits + pf->color.bluebits); + break; + + case WGL_RED_BITS_ARB: + *pvalue = (int) pf->color.redbits; + break; + + case WGL_RED_SHIFT_ARB: + *pvalue = (int) pf->color.redshift; + break; + + case WGL_GREEN_BITS_ARB: + *pvalue = (int) pf->color.greenbits; + break; + + case WGL_GREEN_SHIFT_ARB: + *pvalue = (int) pf->color.greenshift; + break; + + case WGL_BLUE_BITS_ARB: + *pvalue = (int) pf->color.bluebits; + break; + + case WGL_BLUE_SHIFT_ARB: + *pvalue = (int) pf->color.blueshift; + break; + + case WGL_ALPHA_BITS_ARB: + *pvalue = (int) pf->alpha.alphabits; + break; + + case WGL_ALPHA_SHIFT_ARB: + *pvalue = (int) pf->alpha.alphashift; + break; + + case WGL_ACCUM_BITS_ARB: + case WGL_ACCUM_RED_BITS_ARB: + case WGL_ACCUM_GREEN_BITS_ARB: + case WGL_ACCUM_BLUE_BITS_ARB: + case WGL_ACCUM_ALPHA_BITS_ARB: + *pvalue = 0; + break; + + case WGL_DEPTH_BITS_ARB: + *pvalue = (int) pf->depth.depthbits; + break; + + case WGL_STENCIL_BITS_ARB: + *pvalue = (int) pf->depth.stencilbits; + break; + + case WGL_AUX_BUFFERS_ARB: + *pvalue = 0; + break; + + case WGL_SAMPLE_BUFFERS_ARB: + if (pf->flags & PF_FLAG_MULTISAMPLED) + *pvalue = stw_query_sample_buffers(); + else + *pvalue = 0; + break; + + case WGL_SAMPLES_ARB: + if (pf->flags & PF_FLAG_MULTISAMPLED) + *pvalue = stw_query_samples(); + else + *pvalue = 0; + break; + + default: + return FALSE; + } + + return TRUE; +} + +struct attrib_match_info +{ + int attribute; + int weight; + BOOL exact; +}; + +static struct attrib_match_info attrib_match[] = { + + /* WGL_ARB_pixel_format */ + { WGL_DRAW_TO_WINDOW_ARB, 0, TRUE }, + { WGL_DRAW_TO_BITMAP_ARB, 0, TRUE }, + { WGL_ACCELERATION_ARB, 0, TRUE }, + { WGL_NEED_PALETTE_ARB, 0, TRUE }, + { WGL_NEED_SYSTEM_PALETTE_ARB, 0, TRUE }, + { WGL_SWAP_LAYER_BUFFERS_ARB, 0, TRUE }, + { WGL_SWAP_METHOD_ARB, 0, TRUE }, + { WGL_NUMBER_OVERLAYS_ARB, 4, FALSE }, + { WGL_NUMBER_UNDERLAYS_ARB, 4, FALSE }, + /*{ WGL_SHARE_DEPTH_ARB, 0, TRUE },*/ /* no overlays -- ignore */ + /*{ WGL_SHARE_STENCIL_ARB, 0, TRUE },*/ /* no overlays -- ignore */ + /*{ WGL_SHARE_ACCUM_ARB, 0, TRUE },*/ /* no overlays -- ignore */ + { WGL_SUPPORT_GDI_ARB, 0, TRUE }, + { WGL_SUPPORT_OPENGL_ARB, 0, TRUE }, + { WGL_DOUBLE_BUFFER_ARB, 0, TRUE }, + { WGL_STEREO_ARB, 0, TRUE }, + { WGL_PIXEL_TYPE_ARB, 0, TRUE }, + { WGL_COLOR_BITS_ARB, 1, FALSE }, + { WGL_RED_BITS_ARB, 1, FALSE }, + { WGL_GREEN_BITS_ARB, 1, FALSE }, + { WGL_BLUE_BITS_ARB, 1, FALSE }, + { WGL_ALPHA_BITS_ARB, 1, FALSE }, + { WGL_ACCUM_BITS_ARB, 1, FALSE }, + { WGL_ACCUM_RED_BITS_ARB, 1, FALSE }, + { WGL_ACCUM_GREEN_BITS_ARB, 1, FALSE }, + { WGL_ACCUM_BLUE_BITS_ARB, 1, FALSE }, + { WGL_ACCUM_ALPHA_BITS_ARB, 1, FALSE }, + { WGL_DEPTH_BITS_ARB, 1, FALSE }, + { WGL_STENCIL_BITS_ARB, 1, FALSE }, + { WGL_AUX_BUFFERS_ARB, 2, FALSE }, + + /* WGL_ARB_multisample */ + { WGL_SAMPLE_BUFFERS_ARB, 2, FALSE }, + { WGL_SAMPLES_ARB, 2, FALSE } +}; + +struct pixelformat_score +{ + int points; + uint index; +}; + +static BOOL +score_pixelformats( + struct pixelformat_score *scores, + uint count, + int attribute, + int expected_value ) +{ + uint i; + struct attrib_match_info *ami = NULL; + uint index; + + /* Find out if a given attribute should be considered for score calculation. + */ + for (i = 0; i < sizeof( attrib_match ) / sizeof( attrib_match[0] ); i++) { + if (attrib_match[i].attribute == attribute) { + ami = &attrib_match[i]; + break; + } + } + if (ami == NULL) + return TRUE; + + /* Iterate all pixelformats, query the requested attribute and calculate + * score points. + */ + for (index = 0; index < count; index++) { + int actual_value; + + if (!query_attrib( index + 1, 0, attribute, &actual_value )) + return FALSE; + + if (ami->exact) { + /* For an exact match criteria, if the actual and expected values differ, + * the score is set to 0 points, effectively removing the pixelformat + * from a list of matching pixelformats. + */ + if (actual_value != expected_value) + scores[index].points = 0; + } + else { + /* For a minimum match criteria, if the actual value is smaller than the expected + * value, the pixelformat is rejected (score set to 0). However, if the actual + * value is bigger, the pixelformat is given a penalty to favour pixelformats that + * more closely match the expected values. + */ + if (actual_value < expected_value) + scores[index].points = 0; + else if (actual_value > expected_value) + scores[index].points -= (actual_value - expected_value) * ami->weight; + } + } + + return TRUE; +} + +WINGDIAPI BOOL APIENTRY +wglChoosePixelFormatARB( + HDC hdc, + const int *piAttribIList, + const FLOAT *pfAttribFList, + UINT nMaxFormats, + int *piFormats, + UINT *nNumFormats ) +{ + uint count; + struct pixelformat_score *scores; + uint i; + + *nNumFormats = 0; + + /* Allocate and initialize pixelformat score table -- better matches + * have higher scores. Start with a high score and take out penalty + * points for a mismatch when the match does not have to be exact. + * Set a score to 0 if there is a mismatch for an exact match criteria. + */ + count = pixelformat_get_extended_count(); + scores = (struct pixelformat_score *) MALLOC( count * sizeof( struct pixelformat_score ) ); + if (scores == NULL) + return FALSE; + for (i = 0; i < count; i++) { + scores[i].points = 0x7fffffff; + scores[i].index = i; + } + + /* Given the attribute list calculate a score for each pixelformat. + */ + if (piAttribIList != NULL) { + while (*piAttribIList != 0) { + if (!score_pixelformats( scores, count, piAttribIList[0], piAttribIList[1] )) { + FREE( scores ); + return FALSE; + } + piAttribIList += 2; + } + } + if (pfAttribFList != NULL) { + while (*pfAttribFList != 0) { + if (!score_pixelformats( scores, count, (int) pfAttribFList[0], (int) pfAttribFList[1] )) { + FREE( scores ); + return FALSE; + } + pfAttribFList += 2; + } + } + + /* Bubble-sort the resulting scores. Pixelformats with higher scores go first. + * TODO: Find out if there are any patent issues with it. + */ + if (count > 1) { + uint n = count; + boolean swapped; + + do { + swapped = FALSE; + for (i = 1; i < n; i++) { + if (scores[i - 1].points < scores[i].points) { + struct pixelformat_score score = scores[i - 1]; + + scores[i - 1] = scores[i]; + scores[i] = score; + swapped = TRUE; + } + } + n--; + } + while (swapped); + } + + /* Return a list of pixelformats that are the best match. + * Reject pixelformats with non-positive scores. + */ + for (i = 0; i < count; i++) { + if (scores[i].points > 0) { + if (*nNumFormats < nMaxFormats) + piFormats[*nNumFormats] = scores[i].index + 1; + (*nNumFormats)++; + } + } + + FREE( scores ); + return TRUE; +} + +WINGDIAPI BOOL APIENTRY +wglGetPixelFormatAttribfvARB( + HDC hdc, + int iPixelFormat, + int iLayerPlane, + UINT nAttributes, + const int *piAttributes, + FLOAT *pfValues ) +{ + UINT i; + + (void) hdc; + + for (i = 0; i < nAttributes; i++) { + int value; + + if (!query_attrib( iPixelFormat, iLayerPlane, piAttributes[i], &value )) + return FALSE; + pfValues[i] = (FLOAT) value; + } + + return TRUE; +} + +WINGDIAPI BOOL APIENTRY +wglGetPixelFormatAttribivARB( + HDC hdc, + int iPixelFormat, + int iLayerPlane, + UINT nAttributes, + const int *piAttributes, + int *piValues ) +{ + UINT i; + + (void) hdc; + + for (i = 0; i < nAttributes; i++) { + if (!query_attrib( iPixelFormat, iLayerPlane, piAttributes[i], &piValues[i] )) + return FALSE; + } + + return TRUE; +} diff --git a/src/gallium/state_trackers/wgl/shared/stw_arbpixelformat.h b/src/gallium/state_trackers/wgl/shared/stw_arbpixelformat.h new file mode 100644 index 0000000000..a6c4259942 --- /dev/null +++ b/src/gallium/state_trackers/wgl/shared/stw_arbpixelformat.h @@ -0,0 +1,61 @@ +/************************************************************************** + * + * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + +#ifndef WGL_ARBPIXELFORMAT_H +#define WGL_ARBPIXELFORMAT_H + + +/* Extension functions for get_proc_address: + */ +WINGDIAPI BOOL APIENTRY +wglChoosePixelFormatARB( + HDC hdc, + const int *piAttribIList, + const FLOAT *pfAttribFList, + UINT nMaxFormats, + int *piFormats, + UINT *nNumFormats ); + +WINGDIAPI BOOL APIENTRY +wglGetPixelFormatAttribfvARB( + HDC hdc, + int iPixelFormat, + int iLayerPlane, + UINT nAttributes, + const int *piAttributes, + FLOAT *pfValues ); + +WINGDIAPI BOOL APIENTRY +wglGetPixelFormatAttribivARB( + HDC hdc, + int iPixelFormat, + int iLayerPlane, + UINT nAttributes, + const int *piAttributes, + int *piValues ); + +#endif /* WGL_ARBPIXELFORMAT_H */ diff --git a/src/gallium/state_trackers/wgl/shared/stw_context.c b/src/gallium/state_trackers/wgl/shared/stw_context.c new file mode 100644 index 0000000000..2abf97b5ad --- /dev/null +++ b/src/gallium/state_trackers/wgl/shared/stw_context.c @@ -0,0 +1,292 @@ +/************************************************************************** + * + * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + +#include <windows.h> + +#include "main/mtypes.h" +#include "main/context.h" +#include "pipe/p_compiler.h" +#include "pipe/p_context.h" +#include "state_tracker/st_context.h" +#include "state_tracker/st_public.h" +#include "shared/stw_device.h" +#include "shared/stw_winsys.h" +#include "shared/stw_framebuffer.h" +#include "shared/stw_pixelformat.h" +#include "stw_public.h" +#include "stw_context.h" + +static struct stw_context *ctx_head = NULL; + +static HDC current_hdc = NULL; +static struct stw_context *current_hrc = NULL; + +BOOL +stw_copy_context( + struct stw_context *src, + struct stw_context *dst, + UINT mask ) +{ + (void) src; + (void) dst; + (void) mask; + + return FALSE; +} + +struct stw_context * +stw_create_context( + HDC hdc, + int iLayerPlane ) +{ + uint pfi; + const struct pixelformat_info *pf = NULL; + struct stw_context *ctx = NULL; + GLvisual *visual = NULL; + struct pipe_context *pipe = NULL; + + if (iLayerPlane != 0) + return NULL; + + pfi = stw_pixelformat_get( hdc ); + if (pfi == 0) + return NULL; + + pf = pixelformat_get_info( pfi - 1 ); + + ctx = CALLOC_STRUCT( stw_context ); + if (ctx == NULL) + return NULL; + + ctx->hdc = hdc; + ctx->color_bits = GetDeviceCaps( ctx->hdc, BITSPIXEL ); + + /* Create visual based on flags + */ + visual = _mesa_create_visual( + GL_TRUE, + (pf->flags & PF_FLAG_DOUBLEBUFFER) ? GL_TRUE : GL_FALSE, + GL_FALSE, + pf->color.redbits, + pf->color.greenbits, + pf->color.bluebits, + pf->alpha.alphabits, + 0, + pf->depth.depthbits, + pf->depth.stencilbits, + 0, + 0, + 0, + 0, + (pf->flags & PF_FLAG_MULTISAMPLED) ? stw_query_samples() : 0 ); + if (visual == NULL) + goto fail; + + pipe = stw_dev->stw_winsys->create_context( stw_dev->screen ); + if (pipe == NULL) + goto fail; + + assert(!pipe->priv); + pipe->priv = hdc; + + ctx->st = st_create_context( pipe, visual, NULL ); + if (ctx->st == NULL) + goto fail; + + ctx->st->ctx->DriverCtx = ctx; + + ctx->next = ctx_head; + ctx_head = ctx; + + return ctx; + +fail: + if (visual) + _mesa_destroy_visual( visual ); + + if (pipe) + pipe->destroy( pipe ); + + FREE( ctx ); + return NULL; +} + + +BOOL +stw_delete_context( + struct stw_context *hglrc ) +{ + struct stw_context **link = &ctx_head; + struct stw_context *ctx = ctx_head; + + while (ctx != NULL) { + if (ctx == hglrc) { + GLcontext *glctx = ctx->st->ctx; + GET_CURRENT_CONTEXT( glcurctx ); + struct stw_framebuffer *fb; + + /* Unbind current if deleting current context. + */ + if (glcurctx == glctx) + st_make_current( NULL, NULL, NULL ); + + fb = framebuffer_from_hdc( ctx->hdc ); + if (fb) + framebuffer_destroy( fb ); + + if (WindowFromDC( ctx->hdc ) != NULL) + ReleaseDC( WindowFromDC( ctx->hdc ), ctx->hdc ); + + st_destroy_context( ctx->st ); + + *link = ctx->next; + FREE( ctx ); + return TRUE; + } + + link = &ctx->next; + ctx = ctx->next; + } + + return FALSE; +} + +/* Find the width and height of the window named by hdc. + */ +static void +get_window_size( HDC hdc, GLuint *width, GLuint *height ) +{ + if (WindowFromDC( hdc )) { + RECT rect; + + GetClientRect( WindowFromDC( hdc ), &rect ); + *width = rect.right - rect.left; + *height = rect.bottom - rect.top; + } + else { + *width = GetDeviceCaps( hdc, HORZRES ); + *height = GetDeviceCaps( hdc, VERTRES ); + } +} + +struct stw_context * +stw_get_current_context( void ) +{ + return current_hrc; +} + +HDC +stw_get_current_dc( void ) +{ + return current_hdc; +} + +BOOL +stw_make_current( + HDC hdc, + struct stw_context *hglrc ) +{ + struct stw_context *ctx = ctx_head; + GET_CURRENT_CONTEXT( glcurctx ); + struct stw_framebuffer *fb; + GLuint width = 0; + GLuint height = 0; + + current_hdc = hdc; + current_hrc = hglrc; + + if (hdc == NULL || hglrc == NULL) { + st_make_current( NULL, NULL, NULL ); + return TRUE; + } + + while (ctx != NULL) { + if (ctx == hglrc) + break; + ctx = ctx->next; + } + if (ctx == NULL) + return FALSE; + + /* Return if already current. + */ + if (glcurctx != NULL) { + struct stw_context *curctx = (struct stw_context *) glcurctx->DriverCtx; + + if (curctx != NULL && curctx == ctx && ctx->hdc == hdc) + return TRUE; + } + + fb = framebuffer_from_hdc( hdc ); + + if (hdc != NULL) + get_window_size( hdc, &width, &height ); + + /* Lazy creation of framebuffers. + */ + if (fb == NULL && ctx != NULL && hdc != NULL) { + GLvisual *visual = &ctx->st->ctx->Visual; + + fb = framebuffer_create( hdc, visual, width, height ); + if (fb == NULL) + return FALSE; + + fb->dib_hDC = CreateCompatibleDC( hdc ); + fb->hbmDIB = NULL; + fb->pbPixels = NULL; + } + + if (ctx && fb) { + st_make_current( ctx->st, fb->stfb, fb->stfb ); + framebuffer_resize( fb, width, height ); + ctx->hdc = hdc; + ctx->st->pipe->priv = hdc; + } + else { + /* Detach */ + st_make_current( NULL, NULL, NULL ); + } + + return TRUE; +} + +struct stw_context * +stw_context_from_hdc( + HDC hdc ) +{ + struct stw_context *ctx = ctx_head; + + while (ctx != NULL) { + if (ctx->hdc == hdc) + return ctx; + ctx = ctx->next; + } + return NULL; +} + + + diff --git a/src/gallium/state_trackers/wgl/shared/stw_context.h b/src/gallium/state_trackers/wgl/shared/stw_context.h new file mode 100644 index 0000000000..89a8f900d8 --- /dev/null +++ b/src/gallium/state_trackers/wgl/shared/stw_context.h @@ -0,0 +1,53 @@ +/************************************************************************** + * + * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + +#ifndef STW_CONTEXT_H +#define STW_CONTEXT_H + +#include <windows.h> + +struct st_context; + +struct stw_context +{ + struct st_context *st; + HDC hdc; + DWORD color_bits; + struct stw_context *next; +}; + +struct stw_context * +stw_context_from_hdc(HDC hdc ); + + + + + + + + +#endif /* STW_CONTEXT_H */ diff --git a/src/gallium/state_trackers/wgl/shared/stw_device.c b/src/gallium/state_trackers/wgl/shared/stw_device.c new file mode 100644 index 0000000000..6873e813ee --- /dev/null +++ b/src/gallium/state_trackers/wgl/shared/stw_device.c @@ -0,0 +1,91 @@ +/************************************************************************** + * + * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + +#include <windows.h> + +#include "pipe/p_debug.h" +#include "pipe/p_screen.h" + +#include "shared/stw_device.h" +#include "shared/stw_winsys.h" +#include "shared/stw_pixelformat.h" +#include "shared/stw_public.h" +#include "stw.h" + + +struct stw_device *stw_dev = NULL; + + +/** + * XXX: Dispatch pipe_screen::flush_front_buffer to our + * stw_winsys::flush_front_buffer. + */ +static void +st_flush_frontbuffer(struct pipe_screen *screen, + struct pipe_surface *surf, + void *context_private ) +{ + const struct stw_winsys *stw_winsys = stw_dev->stw_winsys; + HDC hdc = (HDC)context_private; + + stw_winsys->flush_frontbuffer(screen, surf, hdc); +} + + +boolean +stw_shared_init(const struct stw_winsys *stw_winsys) +{ + static struct stw_device stw_dev_storage; + + assert(!stw_dev); + + stw_dev = &stw_dev_storage; + memset(stw_dev, 0, sizeof(*stw_dev)); + + stw_dev->stw_winsys = stw_winsys; + + stw_dev->screen = stw_winsys->create_screen(); + if(!stw_dev->screen) + goto error1; + + stw_dev->screen->flush_frontbuffer = st_flush_frontbuffer; + + pixelformat_init(); + + return TRUE; + +error1: + stw_dev = NULL; + return FALSE; +} + + +void +stw_shared_cleanup(void) +{ + stw_dev = NULL; +} diff --git a/src/gallium/state_trackers/wgl/shared/stw_device.h b/src/gallium/state_trackers/wgl/shared/stw_device.h new file mode 100644 index 0000000000..bc0bce37c6 --- /dev/null +++ b/src/gallium/state_trackers/wgl/shared/stw_device.h @@ -0,0 +1,44 @@ +/************************************************************************** + * + * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + +#ifndef ST_DEVICE_H_ +#define ST_DEVICE_H_ + + +struct pipe_screen; + +struct stw_device +{ + const struct stw_winsys *stw_winsys; + struct pipe_screen *screen; +}; + + +extern struct stw_device *stw_dev; + + +#endif /* ST_DEVICE_H_ */ diff --git a/src/gallium/state_trackers/wgl/shared/stw_framebuffer.c b/src/gallium/state_trackers/wgl/shared/stw_framebuffer.c new file mode 100644 index 0000000000..c70b31a488 --- /dev/null +++ b/src/gallium/state_trackers/wgl/shared/stw_framebuffer.c @@ -0,0 +1,212 @@ +/************************************************************************** + * + * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + +#include <windows.h> + +#include "main/context.h" +#include "pipe/p_format.h" +#include "pipe/p_screen.h" +#include "state_tracker/st_context.h" +#include "state_tracker/st_public.h" +#include "stw_framebuffer.h" +#include "stw_device.h" +#include "stw_public.h" +#include "stw_winsys.h" + + +void +framebuffer_resize( + struct stw_framebuffer *fb, + GLuint width, + GLuint height ) +{ + if (fb->hbmDIB == NULL || fb->stfb->Base.Width != width || fb->stfb->Base.Height != height) { + if (fb->hbmDIB) + DeleteObject( fb->hbmDIB ); + + fb->hbmDIB = CreateCompatibleBitmap( + fb->hDC, + width, + height ); + } + + st_resize_framebuffer( fb->stfb, width, height ); +} + +static struct stw_framebuffer *fb_head = NULL; + +static LRESULT CALLBACK +window_proc( + HWND hWnd, + UINT uMsg, + WPARAM wParam, + LPARAM lParam ) +{ + struct stw_framebuffer *fb; + + for (fb = fb_head; fb != NULL; fb = fb->next) + if (fb->hWnd == hWnd) + break; + assert( fb != NULL ); + + if (uMsg == WM_SIZE && wParam != SIZE_MINIMIZED) + framebuffer_resize( fb, LOWORD( lParam ), HIWORD( lParam ) ); + + return CallWindowProc( fb->WndProc, hWnd, uMsg, wParam, lParam ); +} + +/* Create a new framebuffer object which will correspond to the given HDC. + */ +struct stw_framebuffer * +framebuffer_create( + HDC hdc, + GLvisual *visual, + GLuint width, + GLuint height ) +{ + struct stw_framebuffer *fb; + enum pipe_format colorFormat, depthFormat, stencilFormat; + + fb = CALLOC_STRUCT( stw_framebuffer ); + if (fb == NULL) + return NULL; + + /* Determine PIPE_FORMATs for buffers. + */ + colorFormat = PIPE_FORMAT_A8R8G8B8_UNORM; + + if (visual->depthBits == 0) + depthFormat = PIPE_FORMAT_NONE; + else if (visual->depthBits <= 16) + depthFormat = PIPE_FORMAT_Z16_UNORM; + else if (visual->depthBits <= 24) + depthFormat = PIPE_FORMAT_S8Z24_UNORM; + else + depthFormat = PIPE_FORMAT_Z32_UNORM; + + if (visual->stencilBits == 8) { + if (depthFormat == PIPE_FORMAT_S8Z24_UNORM) + stencilFormat = depthFormat; + else + stencilFormat = PIPE_FORMAT_S8_UNORM; + } + else { + stencilFormat = PIPE_FORMAT_NONE; + } + + fb->stfb = st_create_framebuffer( + visual, + colorFormat, + depthFormat, + stencilFormat, + width, + height, + (void *) fb ); + + fb->cColorBits = GetDeviceCaps( hdc, BITSPIXEL ); + fb->hDC = hdc; + + /* Subclass a window associated with the device context. + */ + fb->hWnd = WindowFromDC( hdc ); + if (fb->hWnd != NULL) { + fb->WndProc = (WNDPROC) SetWindowLong( + fb->hWnd, + GWL_WNDPROC, + (LONG) window_proc ); + } + + fb->next = fb_head; + fb_head = fb; + return fb; +} + +void +framebuffer_destroy( + struct stw_framebuffer *fb ) +{ + struct stw_framebuffer **link = &fb_head; + struct stw_framebuffer *pfb = fb_head; + + while (pfb != NULL) { + if (pfb == fb) { + if (fb->hWnd != NULL) { + SetWindowLong( + fb->hWnd, + GWL_WNDPROC, + (LONG) fb->WndProc ); + } + + *link = fb->next; + FREE( fb ); + return; + } + + link = &pfb->next; + pfb = pfb->next; + } +} + +/* Given an hdc, return the corresponding stw_framebuffer. + */ +struct stw_framebuffer * +framebuffer_from_hdc( + HDC hdc ) +{ + struct stw_framebuffer *fb; + + for (fb = fb_head; fb != NULL; fb = fb->next) + if (fb->hDC == hdc) + return fb; + return NULL; +} + + +BOOL +stw_swap_buffers( + HDC hdc ) +{ + struct stw_framebuffer *fb; + struct pipe_surface *surf; + + fb = framebuffer_from_hdc( hdc ); + if (fb == NULL) + return FALSE; + + /* If we're swapping the buffer associated with the current context + * we have to flush any pending rendering commands first. + */ + st_notify_swapbuffers( fb->stfb ); + + st_get_framebuffer_surface( fb->stfb, ST_SURFACE_BACK_LEFT, &surf ); + + stw_dev->stw_winsys->flush_frontbuffer(stw_dev->screen, + surf, + hdc ); + + return TRUE; +} diff --git a/src/gallium/state_trackers/wgl/shared/stw_framebuffer.h b/src/gallium/state_trackers/wgl/shared/stw_framebuffer.h new file mode 100644 index 0000000000..2e16e421f2 --- /dev/null +++ b/src/gallium/state_trackers/wgl/shared/stw_framebuffer.h @@ -0,0 +1,71 @@ +/************************************************************************** + * + * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + +#ifndef STW_FRAMEBUFFER_H +#define STW_FRAMEBUFFER_H + +#include "main/mtypes.h" + +/* Windows framebuffer, derived from gl_framebuffer. + */ +struct stw_framebuffer +{ + struct st_framebuffer *stfb; + HDC hDC; + int pixelformat; + BYTE cColorBits; + HDC dib_hDC; + HBITMAP hbmDIB; + HBITMAP hOldBitmap; + PBYTE pbPixels; + HWND hWnd; + WNDPROC WndProc; + struct stw_framebuffer *next; +}; + +struct stw_framebuffer * +framebuffer_create( + HDC hdc, + GLvisual *visual, + GLuint width, + GLuint height ); + +void +framebuffer_destroy( + struct stw_framebuffer *fb ); + +void +framebuffer_resize( + struct stw_framebuffer *fb, + GLuint width, + GLuint height ); + +struct stw_framebuffer * +framebuffer_from_hdc( + HDC hdc ); + +#endif /* STW_FRAMEBUFFER_H */ diff --git a/src/gallium/state_trackers/wgl/shared/stw_getprocaddress.c b/src/gallium/state_trackers/wgl/shared/stw_getprocaddress.c new file mode 100644 index 0000000000..ac2d6fc260 --- /dev/null +++ b/src/gallium/state_trackers/wgl/shared/stw_getprocaddress.c @@ -0,0 +1,71 @@ +/************************************************************************** + * + * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + +#include <windows.h> + +#include "glapi/glapi.h" +#include "stw_arbextensionsstring.h" +#include "stw_arbpixelformat.h" +#include "stw_public.h" + +struct extension_entry +{ + const char *name; + PROC proc; +}; + +#define EXTENTRY(P) { #P, (PROC) P } + +static struct extension_entry extension_entries[] = { + + /* WGL_ARB_extensions_string */ + EXTENTRY( wglGetExtensionsStringARB ), + + /* WGL_ARB_pixel_format */ + EXTENTRY( wglChoosePixelFormatARB ), + EXTENTRY( wglGetPixelFormatAttribfvARB ), + EXTENTRY( wglGetPixelFormatAttribivARB ), + + { NULL, NULL } +}; + +PROC +stw_get_proc_address( + LPCSTR lpszProc ) +{ + struct extension_entry *entry; + + PROC p = (PROC) _glapi_get_proc_address( (const char *) lpszProc ); + if (p) + return p; + + for (entry = extension_entries; entry->name; entry++) + if (strcmp( lpszProc, entry->name ) == 0) + return entry->proc; + + return NULL; +} diff --git a/src/gallium/state_trackers/wgl/shared/stw_pixelformat.c b/src/gallium/state_trackers/wgl/shared/stw_pixelformat.c new file mode 100644 index 0000000000..12b5ac6d91 --- /dev/null +++ b/src/gallium/state_trackers/wgl/shared/stw_pixelformat.c @@ -0,0 +1,278 @@ +/************************************************************************** + * + * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + +#include "pipe/p_debug.h" +#include "stw_pixelformat.h" +#include "stw_public.h" + +#define MAX_PIXELFORMATS 16 + +static struct pixelformat_info pixelformats[MAX_PIXELFORMATS]; +static uint pixelformat_count = 0; +static uint pixelformat_extended_count = 0; + +static uint currentpixelformat = 0; + + +static void +add_standard_pixelformats( + struct pixelformat_info **ppf, + uint flags ) +{ + struct pixelformat_info *pf = *ppf; + struct pixelformat_color_info color24 = { 8, 0, 8, 8, 8, 16 }; + struct pixelformat_alpha_info alpha8 = { 8, 24 }; + struct pixelformat_alpha_info noalpha = { 0, 0 }; + struct pixelformat_depth_info depth24s8 = { 24, 8 }; + struct pixelformat_depth_info depth16 = { 16, 0 }; + + pf->flags = PF_FLAG_DOUBLEBUFFER | flags; + pf->color = color24; + pf->alpha = alpha8; + pf->depth = depth16; + pf++; + + pf->flags = PF_FLAG_DOUBLEBUFFER | flags; + pf->color = color24; + pf->alpha = alpha8; + pf->depth = depth24s8; + pf++; + + pf->flags = PF_FLAG_DOUBLEBUFFER | flags; + pf->color = color24; + pf->alpha = noalpha; + pf->depth = depth16; + pf++; + + pf->flags = PF_FLAG_DOUBLEBUFFER | flags; + pf->color = color24; + pf->alpha = noalpha; + pf->depth = depth24s8; + pf++; + + pf->flags = flags; + pf->color = color24; + pf->alpha = noalpha; + pf->depth = depth16; + pf++; + + pf->flags = flags; + pf->color = color24; + pf->alpha = noalpha; + pf->depth = depth24s8; + pf++; + + *ppf = pf; +} + +void +pixelformat_init( void ) +{ + struct pixelformat_info *pf = pixelformats; + + add_standard_pixelformats( &pf, 0 ); + pixelformat_count = pf - pixelformats; + + add_standard_pixelformats( &pf, PF_FLAG_MULTISAMPLED ); + pixelformat_extended_count = pf - pixelformats; + + assert( pixelformat_extended_count <= MAX_PIXELFORMATS ); +} + +uint +pixelformat_get_count( void ) +{ + return pixelformat_count; +} + +uint +pixelformat_get_extended_count( void ) +{ + return pixelformat_extended_count; +} + +const struct pixelformat_info * +pixelformat_get_info( uint index ) +{ + assert( index < pixelformat_extended_count ); + + return &pixelformats[index]; +} + + +int +stw_pixelformat_describe( + HDC hdc, + int iPixelFormat, + UINT nBytes, + LPPIXELFORMATDESCRIPTOR ppfd ) +{ + uint count; + uint index; + const struct pixelformat_info *pf; + + (void) hdc; + + count = pixelformat_get_extended_count(); + index = (uint) iPixelFormat - 1; + + if (ppfd == NULL) + return count; + if (index >= count || nBytes != sizeof( PIXELFORMATDESCRIPTOR )) + return 0; + + pf = pixelformat_get_info( index ); + + ppfd->nSize = sizeof( PIXELFORMATDESCRIPTOR ); + ppfd->nVersion = 1; + ppfd->dwFlags = PFD_DRAW_TO_WINDOW | PFD_SUPPORT_OPENGL; + if (pf->flags & PF_FLAG_DOUBLEBUFFER) + ppfd->dwFlags |= PFD_DOUBLEBUFFER | PFD_SWAP_COPY; + ppfd->iPixelType = PFD_TYPE_RGBA; + ppfd->cColorBits = pf->color.redbits + pf->color.greenbits + pf->color.bluebits; + ppfd->cRedBits = pf->color.redbits; + ppfd->cRedShift = pf->color.redshift; + ppfd->cGreenBits = pf->color.greenbits; + ppfd->cGreenShift = pf->color.greenshift; + ppfd->cBlueBits = pf->color.bluebits; + ppfd->cBlueShift = pf->color.blueshift; + ppfd->cAlphaBits = pf->alpha.alphabits; + ppfd->cAlphaShift = pf->alpha.alphashift; + ppfd->cAccumBits = 0; + ppfd->cAccumRedBits = 0; + ppfd->cAccumGreenBits = 0; + ppfd->cAccumBlueBits = 0; + ppfd->cAccumAlphaBits = 0; + ppfd->cDepthBits = pf->depth.depthbits; + ppfd->cStencilBits = pf->depth.stencilbits; + ppfd->cAuxBuffers = 0; + ppfd->iLayerType = 0; + ppfd->bReserved = 0; + ppfd->dwLayerMask = 0; + ppfd->dwVisibleMask = 0; + ppfd->dwDamageMask = 0; + + return count; +} + +/* Only used by the wgl code, but have it here to avoid exporting the + * pixelformat.h functionality. + */ +int stw_pixelformat_choose( HDC hdc, + CONST PIXELFORMATDESCRIPTOR *ppfd ) +{ + uint count; + uint index; + uint bestindex; + uint bestdelta; + + (void) hdc; + + count = pixelformat_get_count(); + bestindex = count; + bestdelta = 0xffffffff; + + for (index = 0; index < count; index++) { + uint delta = 0; + const struct pixelformat_info *pf = pixelformat_get_info( index ); + + if (!(ppfd->dwFlags & PFD_DOUBLEBUFFER_DONTCARE) && + !!(ppfd->dwFlags & PFD_DOUBLEBUFFER) != + !!(pf->flags & PF_FLAG_DOUBLEBUFFER)) + continue; + + if (ppfd->cColorBits != pf->color.redbits + pf->color.greenbits + pf->color.bluebits) + delta += 8; + + if (ppfd->cDepthBits != pf->depth.depthbits) + delta += 4; + + if (ppfd->cStencilBits != pf->depth.stencilbits) + delta += 2; + + if (ppfd->cAlphaBits != pf->alpha.alphabits) + delta++; + + if (delta < bestdelta) { + bestindex = index; + bestdelta = delta; + if (bestdelta == 0) + break; + } + } + + if (bestindex == count) + return 0; + + return bestindex + 1; +} + + +int +stw_pixelformat_get( + HDC hdc ) +{ + return currentpixelformat; +} + + +BOOL +stw_pixelformat_set( + HDC hdc, + int iPixelFormat ) +{ + uint count; + uint index; + + (void) hdc; + + index = (uint) iPixelFormat - 1; + count = pixelformat_get_extended_count(); + if (index >= count) + return FALSE; + + currentpixelformat = iPixelFormat; + return TRUE; +} + + + +/* XXX: this needs to be turned into queries on pipe_screen or + * stw_winsys. + */ +int +stw_query_sample_buffers( void ) +{ + return 1; +} + +int +stw_query_samples( void ) +{ + return 4; +} + diff --git a/src/gallium/state_trackers/wgl/shared/stw_pixelformat.h b/src/gallium/state_trackers/wgl/shared/stw_pixelformat.h new file mode 100644 index 0000000000..7ca4194a2a --- /dev/null +++ b/src/gallium/state_trackers/wgl/shared/stw_pixelformat.h @@ -0,0 +1,83 @@ +/************************************************************************** + * + * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + +#ifndef PIXELFORMAT_H +#define PIXELFORMAT_H + +#include <windows.h> +#include "pipe/p_compiler.h" + +#define PF_FLAG_DOUBLEBUFFER 0x00000001 +#define PF_FLAG_MULTISAMPLED 0x00000002 + +struct pixelformat_color_info +{ + uint redbits; + uint redshift; + uint greenbits; + uint greenshift; + uint bluebits; + uint blueshift; +}; + +struct pixelformat_alpha_info +{ + uint alphabits; + uint alphashift; +}; + +struct pixelformat_depth_info +{ + uint depthbits; + uint stencilbits; +}; + +struct pixelformat_info +{ + uint flags; + struct pixelformat_color_info color; + struct pixelformat_alpha_info alpha; + struct pixelformat_depth_info depth; +}; + +void +pixelformat_init( void ); + +uint +pixelformat_get_count( void ); + +uint +pixelformat_get_extended_count( void ); + +const struct pixelformat_info * +pixelformat_get_info( uint index ); + +int stw_query_sample_buffers( void ); +int stw_query_samples( void ); + + +#endif /* PIXELFORMAT_H */ diff --git a/src/gallium/state_trackers/wgl/shared/stw_public.h b/src/gallium/state_trackers/wgl/shared/stw_public.h new file mode 100644 index 0000000000..75b504a50f --- /dev/null +++ b/src/gallium/state_trackers/wgl/shared/stw_public.h @@ -0,0 +1,75 @@ +/************************************************************************** + * + * Copyright 2009 VMware, Inc. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + +#ifndef STW_PUBLIC_H +#define STW_PUBLIC_H + +#include <windows.h> +#include "pipe/p_compiler.h" + +struct stw_winsys; +struct stw_context; + +boolean +st_shared_init(const struct stw_winsys *stw_winsys); + +void +st_shared_cleanup(void); + + +BOOL stw_copy_context( struct stw_context *src, + struct stw_context *dst, + UINT mask ); + +struct stw_context *stw_create_context( HDC hdc, int iLayerPlane ); + +BOOL stw_delete_context( struct stw_context *ctx ); + +struct stw_context *stw_get_current_context( void ); + +HDC stw_get_current_dc( void ); + +BOOL stw_make_current( HDC hdc, struct stw_context *ctx ); + +BOOL stw_swap_buffers( HDC hdc ); + +PROC stw_get_proc_address( LPCSTR lpszProc ); + +int stw_pixelformat_describe( HDC hdc, + int iPixelFormat, + UINT nBytes, + LPPIXELFORMATDESCRIPTOR ppfd ); + +int stw_pixelformat_get( HDC hdc ); + +BOOL stw_pixelformat_set( HDC hdc, + int iPixelFormat ); + +int stw_pixelformat_choose( HDC hdc, + CONST PIXELFORMATDESCRIPTOR *ppfd ); + +#endif diff --git a/src/gallium/state_trackers/wgl/shared/stw_quirks.c b/src/gallium/state_trackers/wgl/shared/stw_quirks.c new file mode 100644 index 0000000000..bf1ec3fee7 --- /dev/null +++ b/src/gallium/state_trackers/wgl/shared/stw_quirks.c @@ -0,0 +1,108 @@ +/************************************************************************** + * + * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + +/** + * @file + * + * This is hopefully a temporary hack to define some needed dispatch + * table entries. Hopefully, I'll find a better solution. The + * dispatch table generation scripts ought to be making these dummy + * stubs as well. + */ + +void gl_dispatch_stub_543(void){} +void gl_dispatch_stub_544(void){} +void gl_dispatch_stub_545(void){} +void gl_dispatch_stub_546(void){} +void gl_dispatch_stub_547(void){} +void gl_dispatch_stub_548(void){} +void gl_dispatch_stub_549(void){} +void gl_dispatch_stub_550(void){} +void gl_dispatch_stub_551(void){} +void gl_dispatch_stub_552(void){} +void gl_dispatch_stub_553(void){} +void gl_dispatch_stub_554(void){} +void gl_dispatch_stub_555(void){} +void gl_dispatch_stub_556(void){} +void gl_dispatch_stub_557(void){} +void gl_dispatch_stub_558(void){} +void gl_dispatch_stub_559(void){} +void gl_dispatch_stub_560(void){} +void gl_dispatch_stub_561(void){} +void gl_dispatch_stub_565(void){} +void gl_dispatch_stub_566(void){} +void gl_dispatch_stub_577(void){} +void gl_dispatch_stub_578(void){} +void gl_dispatch_stub_603(void){} +void gl_dispatch_stub_645(void){} +void gl_dispatch_stub_646(void){} +void gl_dispatch_stub_647(void){} +void gl_dispatch_stub_648(void){} +void gl_dispatch_stub_649(void){} +void gl_dispatch_stub_650(void){} +void gl_dispatch_stub_651(void){} +void gl_dispatch_stub_652(void){} +void gl_dispatch_stub_653(void){} +void gl_dispatch_stub_733(void){} +void gl_dispatch_stub_734(void){} +void gl_dispatch_stub_735(void){} +void gl_dispatch_stub_736(void){} +void gl_dispatch_stub_737(void){} +void gl_dispatch_stub_738(void){} +void gl_dispatch_stub_744(void){} +void gl_dispatch_stub_745(void){} +void gl_dispatch_stub_746(void){} +void gl_dispatch_stub_760(void){} +void gl_dispatch_stub_761(void){} +void gl_dispatch_stub_763(void){} +void gl_dispatch_stub_765(void){} +void gl_dispatch_stub_766(void){} +void gl_dispatch_stub_767(void){} +void gl_dispatch_stub_768(void){} + +void gl_dispatch_stub_562(void){} +void gl_dispatch_stub_563(void){} +void gl_dispatch_stub_564(void){} +void gl_dispatch_stub_567(void){} +void gl_dispatch_stub_568(void){} +void gl_dispatch_stub_569(void){} +void gl_dispatch_stub_580(void){} +void gl_dispatch_stub_581(void){} +void gl_dispatch_stub_606(void){} +void gl_dispatch_stub_654(void){} +void gl_dispatch_stub_655(void){} +void gl_dispatch_stub_656(void){} +void gl_dispatch_stub_739(void){} +void gl_dispatch_stub_740(void){} +void gl_dispatch_stub_741(void){} +void gl_dispatch_stub_748(void){} +void gl_dispatch_stub_749(void){} +void gl_dispatch_stub_769(void){} +void gl_dispatch_stub_770(void){} +void gl_dispatch_stub_771(void){} +void gl_dispatch_stub_772(void){} +void gl_dispatch_stub_773(void){} diff --git a/src/gallium/state_trackers/wgl/shared/stw_winsys.h b/src/gallium/state_trackers/wgl/shared/stw_winsys.h new file mode 100644 index 0000000000..a85a9a2257 --- /dev/null +++ b/src/gallium/state_trackers/wgl/shared/stw_winsys.h @@ -0,0 +1,59 @@ +/************************************************************************** + * + * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + +#ifndef STW_WINSYS_H +#define STW_WINSYS_H + +#include <windows.h> /* for HDC */ + +#include "pipe/p_compiler.h" + +struct pipe_screen; +struct pipe_context; +struct pipe_surface; + +struct stw_winsys +{ + struct pipe_screen * + (*create_screen)( void ); + + struct pipe_context * + (*create_context)( struct pipe_screen *screen ); + + void + (*flush_frontbuffer)( struct pipe_screen *screen, + struct pipe_surface *surf, + HDC hDC ); +}; + +boolean +st_init(const struct stw_winsys *stw_winsys); + +void +st_cleanup(void); + +#endif /* STW_WINSYS_H */ |