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 | 421 |
1 files changed, 247 insertions, 174 deletions
diff --git a/src/gallium/state_trackers/wgl/shared/stw_pixelformat.c b/src/gallium/state_trackers/wgl/shared/stw_pixelformat.c index b216ca5c82..c296744838 100644 --- a/src/gallium/state_trackers/wgl/shared/stw_pixelformat.c +++ b/src/gallium/state_trackers/wgl/shared/stw_pixelformat.c @@ -25,113 +25,266 @@ * **************************************************************************/ +#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" -#define MAX_PIXELFORMATS 16 -static struct pixelformat_info pixelformats[MAX_PIXELFORMATS]; -static uint pixelformat_count = 0; -static uint pixelformat_extended_count = 0; +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 -add_standard_pixelformats( - struct pixelformat_info **ppf, - uint flags ) +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 ) { - 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 = alpha8; - pf->depth = depth16; - pf++; - - pf->flags = flags; - pf->color = color24; - pf->alpha = alpha8; - 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; + 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 -pixelformat_init( void ) +stw_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; + 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; - assert( pixelformat_extended_count <= MAX_PIXELFORMATS ); + 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 -pixelformat_get_count( void ) +stw_pixelformat_get_count( void ) { - return pixelformat_count; + return stw_dev->pixelformat_count; } uint -pixelformat_get_extended_count( void ) +stw_pixelformat_get_extended_count( void ) { - return pixelformat_extended_count; + return stw_dev->pixelformat_extended_count; } -const struct pixelformat_info * -pixelformat_get_info( uint index ) +const struct stw_pixelformat_info * +stw_pixelformat_get_info( uint index ) { - assert( index < pixelformat_extended_count ); + assert( index < stw_dev->pixelformat_extended_count ); + + return &stw_dev->pixelformats[index]; +} + - return &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 ); } @@ -144,11 +297,11 @@ stw_pixelformat_describe( { uint count; uint index; - const struct pixelformat_info *pf; + const struct stw_pixelformat_info *pfi; (void) hdc; - count = pixelformat_get_extended_count(); + count = stw_pixelformat_get_extended_count(); index = (uint) iPixelFormat - 1; if (ppfd == NULL) @@ -156,36 +309,9 @@ stw_pixelformat_describe( 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; + pfi = stw_pixelformat_get_info( index ); + + memcpy(ppfd, &pfi->pfd, sizeof( PIXELFORMATDESCRIPTOR )); return count; } @@ -203,29 +329,30 @@ int stw_pixelformat_choose( HDC hdc, (void) hdc; - count = pixelformat_get_count(); + count = stw_pixelformat_get_count(); bestindex = count; - bestdelta = 0xffffffff; + bestdelta = ~0U; for (index = 0; index < count; index++) { uint delta = 0; - const struct pixelformat_info *pf = pixelformat_get_info( index ); + const struct stw_pixelformat_info *pfi = stw_pixelformat_get_info( index ); if (!(ppfd->dwFlags & PFD_DOUBLEBUFFER_DONTCARE) && !!(ppfd->dwFlags & PFD_DOUBLEBUFFER) != - !!(pf->flags & PF_FLAG_DOUBLEBUFFER)) + !!(pfi->pfd.dwFlags & PFD_DOUBLEBUFFER)) continue; - if (ppfd->cColorBits != pf->color.redbits + pf->color.greenbits + pf->color.bluebits) + /* FIXME: Take in account individual channel bits */ + if (ppfd->cColorBits != pfi->pfd.cColorBits) delta += 8; - if (ppfd->cDepthBits != pf->depth.depthbits) + if (ppfd->cDepthBits != pfi->pfd.cDepthBits) delta += 4; - if (ppfd->cStencilBits != pf->depth.stencilbits) + if (ppfd->cStencilBits != pfi->pfd.cStencilBits) delta += 2; - if (ppfd->cAlphaBits != pf->alpha.alphabits) + if (ppfd->cAlphaBits != pfi->pfd.cAlphaBits) delta++; if (delta < bestdelta) { @@ -241,57 +368,3 @@ int stw_pixelformat_choose( HDC hdc, return bestindex + 1; } - - -int -stw_pixelformat_get( - HDC hdc ) -{ - return stw_tls_get_data()->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; - - stw_tls_get_data()->currentPixelFormat = iPixelFormat; - - /* Some applications mistakenly use the undocumented wglSetPixelFormat - * function instead of SetPixelFormat, so we call SetPixelFormat here to - * avoid opengl32.dll's wglCreateContext to fail */ - if (GetPixelFormat(hdc) == 0) { - SetPixelFormat(hdc, iPixelFormat, NULL); - } - - 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; -} - |