diff options
Diffstat (limited to 'src/gallium/state_trackers/wgl/shared/stw_pixelformat.c')
| -rw-r--r-- | src/gallium/state_trackers/wgl/shared/stw_pixelformat.c | 370 |
1 files changed, 0 insertions, 370 deletions
diff --git a/src/gallium/state_trackers/wgl/shared/stw_pixelformat.c b/src/gallium/state_trackers/wgl/shared/stw_pixelformat.c deleted file mode 100644 index c296744838..0000000000 --- a/src/gallium/state_trackers/wgl/shared/stw_pixelformat.c +++ /dev/null @@ -1,370 +0,0 @@ -/************************************************************************** - * - * 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 "main/mtypes.h" -#include "main/context.h" - -#include "pipe/p_format.h" -#include "pipe/p_defines.h" -#include "pipe/p_screen.h" - -#include "util/u_debug.h" - -#include "stw_device.h" -#include "stw_pixelformat.h" -#include "stw_public.h" -#include "stw_tls.h" - - -struct stw_pf_color_info -{ - enum pipe_format format; - struct { - unsigned char red; - unsigned char green; - unsigned char blue; - unsigned char alpha; - } bits; - struct { - unsigned char red; - unsigned char green; - unsigned char blue; - unsigned char alpha; - } shift; -}; - -struct stw_pf_depth_info -{ - enum pipe_format format; - struct { - unsigned char depth; - unsigned char stencil; - } bits; -}; - - -/* NOTE: order matters, since in otherwise equal circumstances the first - * format listed will get chosen */ - -static const struct stw_pf_color_info -stw_pf_color[] = { - /* no-alpha */ - { PIPE_FORMAT_X8R8G8B8_UNORM, { 8, 8, 8, 0}, {16, 8, 0, 0} }, - { PIPE_FORMAT_B8G8R8X8_UNORM, { 8, 8, 8, 0}, { 8, 16, 24, 0} }, - { PIPE_FORMAT_R5G6B5_UNORM, { 5, 6, 5, 0}, {11, 5, 0, 0} }, - /* alpha */ - { PIPE_FORMAT_A8R8G8B8_UNORM, { 8, 8, 8, 8}, {16, 8, 0, 24} }, - { PIPE_FORMAT_B8G8R8A8_UNORM, { 8, 8, 8, 8}, { 8, 16, 24, 0} }, -#if 0 - { PIPE_FORMAT_A2B10G10R10_UNORM, {10, 10, 10, 2}, { 0, 10, 20, 30} }, -#endif - { PIPE_FORMAT_A1R5G5B5_UNORM, { 5, 5, 5, 1}, {10, 5, 0, 15} }, - { PIPE_FORMAT_A4R4G4B4_UNORM, { 4, 4, 4, 4}, {16, 4, 0, 12} } -}; - - -static const struct stw_pf_depth_info -stw_pf_depth_stencil[] = { - /* pure depth */ - { PIPE_FORMAT_Z32_UNORM, {32, 0} }, - { PIPE_FORMAT_Z24X8_UNORM, {24, 0} }, - { PIPE_FORMAT_X8Z24_UNORM, {24, 0} }, - { PIPE_FORMAT_Z16_UNORM, {16, 0} }, - /* pure stencil */ - { PIPE_FORMAT_S8_UNORM, { 0, 8} }, - /* combined depth-stencil */ - { PIPE_FORMAT_S8Z24_UNORM, {24, 8} }, - { PIPE_FORMAT_Z24S8_UNORM, {24, 8} } -}; - - -static const boolean -stw_pf_doublebuffer[] = { - FALSE, - TRUE, -}; - - -const unsigned -stw_pf_multisample[] = { - 0, - 4 -}; - - -static void -stw_pixelformat_add( - struct stw_device *stw_dev, - const struct stw_pf_color_info *color, - const struct stw_pf_depth_info *depth, - unsigned accum, - boolean doublebuffer, - unsigned samples ) -{ - boolean extended = FALSE; - struct stw_pixelformat_info *pfi; - - assert(stw_dev->pixelformat_extended_count < STW_MAX_PIXELFORMATS); - if(stw_dev->pixelformat_extended_count >= STW_MAX_PIXELFORMATS) - return; - - assert(pf_layout( color->format ) == PIPE_FORMAT_LAYOUT_RGBAZS ); - assert(pf_get_component_bits( color->format, PIPE_FORMAT_COMP_R ) == color->bits.red ); - assert(pf_get_component_bits( color->format, PIPE_FORMAT_COMP_G ) == color->bits.green ); - assert(pf_get_component_bits( color->format, PIPE_FORMAT_COMP_B ) == color->bits.blue ); - assert(pf_get_component_bits( color->format, PIPE_FORMAT_COMP_A ) == color->bits.alpha ); - assert(pf_layout( depth->format ) == PIPE_FORMAT_LAYOUT_RGBAZS ); - assert(pf_get_component_bits( depth->format, PIPE_FORMAT_COMP_Z ) == depth->bits.depth ); - assert(pf_get_component_bits( depth->format, PIPE_FORMAT_COMP_S ) == depth->bits.stencil ); - - pfi = &stw_dev->pixelformats[stw_dev->pixelformat_extended_count]; - - memset(pfi, 0, sizeof *pfi); - - pfi->color_format = color->format; - pfi->depth_stencil_format = depth->format; - - pfi->pfd.nSize = sizeof pfi->pfd; - pfi->pfd.nVersion = 1; - - pfi->pfd.dwFlags = PFD_SUPPORT_OPENGL; - - /* TODO: also support non-native pixel formats */ - pfi->pfd.dwFlags |= PFD_DRAW_TO_WINDOW ; - - if (doublebuffer) - pfi->pfd.dwFlags |= PFD_DOUBLEBUFFER | PFD_SWAP_COPY; - - pfi->pfd.iPixelType = PFD_TYPE_RGBA; - - pfi->pfd.cColorBits = color->bits.red + color->bits.green + color->bits.blue + color->bits.alpha; - pfi->pfd.cRedBits = color->bits.red; - pfi->pfd.cRedShift = color->shift.red; - pfi->pfd.cGreenBits = color->bits.green; - pfi->pfd.cGreenShift = color->shift.green; - pfi->pfd.cBlueBits = color->bits.blue; - pfi->pfd.cBlueShift = color->shift.blue; - pfi->pfd.cAlphaBits = color->bits.alpha; - pfi->pfd.cAlphaShift = color->shift.alpha; - pfi->pfd.cAccumBits = 4*accum; - pfi->pfd.cAccumRedBits = accum; - pfi->pfd.cAccumGreenBits = accum; - pfi->pfd.cAccumBlueBits = accum; - pfi->pfd.cAccumAlphaBits = accum; - pfi->pfd.cDepthBits = depth->bits.depth; - pfi->pfd.cStencilBits = depth->bits.stencil; - pfi->pfd.cAuxBuffers = 0; - pfi->pfd.iLayerType = 0; - pfi->pfd.bReserved = 0; - pfi->pfd.dwLayerMask = 0; - pfi->pfd.dwVisibleMask = 0; - pfi->pfd.dwDamageMask = 0; - - if(samples) { - pfi->numSampleBuffers = 1; - pfi->numSamples = samples; - extended = TRUE; - } - - ++stw_dev->pixelformat_extended_count; - - if(!extended) { - ++stw_dev->pixelformat_count; - assert(stw_dev->pixelformat_count == stw_dev->pixelformat_extended_count); - } -} - -void -stw_pixelformat_init( void ) -{ - struct pipe_screen *screen = stw_dev->screen; - unsigned i, j, k, l; - - assert( !stw_dev->pixelformat_count ); - assert( !stw_dev->pixelformat_extended_count ); - - for(i = 0; i < Elements(stw_pf_multisample); ++i) { - unsigned samples = stw_pf_multisample[i]; - - /* FIXME: re-enabled MSAA when we can query it */ - if(samples) - continue; - - for(j = 0; j < Elements(stw_pf_color); ++j) { - const struct stw_pf_color_info *color = &stw_pf_color[j]; - - if(!screen->is_format_supported(screen, color->format, PIPE_TEXTURE_2D, - PIPE_TEXTURE_USAGE_RENDER_TARGET, 0)) - continue; - - for(k = 0; k < Elements(stw_pf_doublebuffer); ++k) { - unsigned doublebuffer = stw_pf_doublebuffer[k]; - - for(l = 0; l < Elements(stw_pf_depth_stencil); ++l) { - const struct stw_pf_depth_info *depth = &stw_pf_depth_stencil[l]; - - if(!screen->is_format_supported(screen, depth->format, PIPE_TEXTURE_2D, - PIPE_TEXTURE_USAGE_DEPTH_STENCIL, 0)) - continue; - - stw_pixelformat_add( stw_dev, color, depth, 0, doublebuffer, samples ); - stw_pixelformat_add( stw_dev, color, depth, 16, doublebuffer, samples ); - } - } - } - } - - assert( stw_dev->pixelformat_count <= stw_dev->pixelformat_extended_count ); - assert( stw_dev->pixelformat_extended_count <= STW_MAX_PIXELFORMATS ); -} - -uint -stw_pixelformat_get_count( void ) -{ - return stw_dev->pixelformat_count; -} - -uint -stw_pixelformat_get_extended_count( void ) -{ - return stw_dev->pixelformat_extended_count; -} - -const struct stw_pixelformat_info * -stw_pixelformat_get_info( uint index ) -{ - assert( index < stw_dev->pixelformat_extended_count ); - - return &stw_dev->pixelformats[index]; -} - - -void -stw_pixelformat_visual(GLvisual *visual, - const struct stw_pixelformat_info *pfi ) -{ - memset(visual, 0, sizeof *visual); - _mesa_initialize_visual( - visual, - (pfi->pfd.iPixelType == PFD_TYPE_RGBA) ? GL_TRUE : GL_FALSE, - (pfi->pfd.dwFlags & PFD_DOUBLEBUFFER) ? GL_TRUE : GL_FALSE, - (pfi->pfd.dwFlags & PFD_STEREO) ? GL_TRUE : GL_FALSE, - pfi->pfd.cRedBits, - pfi->pfd.cGreenBits, - pfi->pfd.cBlueBits, - pfi->pfd.cAlphaBits, - (pfi->pfd.iPixelType == PFD_TYPE_COLORINDEX) ? pfi->pfd.cColorBits : 0, - pfi->pfd.cDepthBits, - pfi->pfd.cStencilBits, - pfi->pfd.cAccumRedBits, - pfi->pfd.cAccumGreenBits, - pfi->pfd.cAccumBlueBits, - pfi->pfd.cAccumAlphaBits, - pfi->numSamples ); -} - - -int -stw_pixelformat_describe( - HDC hdc, - int iPixelFormat, - UINT nBytes, - LPPIXELFORMATDESCRIPTOR ppfd ) -{ - uint count; - uint index; - const struct stw_pixelformat_info *pfi; - - (void) hdc; - - count = stw_pixelformat_get_extended_count(); - index = (uint) iPixelFormat - 1; - - if (ppfd == NULL) - return count; - if (index >= count || nBytes != sizeof( PIXELFORMATDESCRIPTOR )) - return 0; - - pfi = stw_pixelformat_get_info( index ); - - memcpy(ppfd, &pfi->pfd, sizeof( PIXELFORMATDESCRIPTOR )); - - 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 = stw_pixelformat_get_count(); - bestindex = count; - bestdelta = ~0U; - - for (index = 0; index < count; index++) { - uint delta = 0; - const struct stw_pixelformat_info *pfi = stw_pixelformat_get_info( index ); - - if (!(ppfd->dwFlags & PFD_DOUBLEBUFFER_DONTCARE) && - !!(ppfd->dwFlags & PFD_DOUBLEBUFFER) != - !!(pfi->pfd.dwFlags & PFD_DOUBLEBUFFER)) - continue; - - /* FIXME: Take in account individual channel bits */ - if (ppfd->cColorBits != pfi->pfd.cColorBits) - delta += 8; - - if (ppfd->cDepthBits != pfi->pfd.cDepthBits) - delta += 4; - - if (ppfd->cStencilBits != pfi->pfd.cStencilBits) - delta += 2; - - if (ppfd->cAlphaBits != pfi->pfd.cAlphaBits) - delta++; - - if (delta < bestdelta) { - bestindex = index; - bestdelta = delta; - if (bestdelta == 0) - break; - } - } - - if (bestindex == count) - return 0; - - return bestindex + 1; -} |