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stw: move pixelformat_get/set to shared

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This commit is contained in:
Keith Whitwell 2009-01-28 13:43:10 +00:00
parent cb70d27dd1
commit c3d744f5bb
5 changed files with 100 additions and 74 deletions
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5
src/gallium/state_trackers/wgl/icd/stw_icd.c
View file

@ -594,12 +594,9 @@ DrvSetPixelFormat(
HDC hdc,
LONG iPixelFormat )
{
PIXELFORMATDESCRIPTOR pfd;
BOOL r;
stw_pixelformat_describe( hdc, iPixelFormat, sizeof( pfd ), &pfd );
r = wglSetPixelFormat( hdc, iPixelFormat, &pfd );
r = stw_pixelformat_set( hdc, iPixelFormat );
debug_printf( "%s( 0x%p, %d ) = %s\n", __FUNCTION__, hdc, iPixelFormat, r ? "TRUE" : "FALSE" );

54
src/gallium/state_trackers/wgl/shared/stw_context.c
View file

@ -289,57 +289,3 @@ wgl_context_from_hdc(
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;
}

87
src/gallium/state_trackers/wgl/shared/stw_pixelformat.c
View file

@ -34,6 +34,9 @@ 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,
@ -118,3 +121,87 @@ pixelformat_get_info( uint index )
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;
}
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;
}

9
src/gallium/state_trackers/wgl/shared/stw_pixelformat.h
View file

@ -83,5 +83,14 @@ stw_pixelformat_describe(
UINT nBytes,
LPPIXELFORMATDESCRIPTOR ppfd );
int
stw_pixelformat_get(
HDC hdc );
BOOL
stw_pixelformat_set(
HDC hdc,
int iPixelFormat );
#endif /* PIXELFORMAT_H */

19
src/gallium/state_trackers/wgl/wgl/stw_wgl_pixelformat.c
View file

@ -32,8 +32,6 @@
#include "shared/stw_pixelformat.h"
#include "stw_wgl.h"
static uint currentpixelformat = 0;
WINGDIAPI int APIENTRY
wglChoosePixelFormat(
HDC hdc,
@ -115,9 +113,7 @@ WINGDIAPI int APIENTRY
wglGetPixelFormat(
HDC hdc )
{
(void) hdc;
return currentpixelformat;
return stw_pixelformat_get( hdc );
}
WINGDIAPI BOOL APIENTRY
@ -126,17 +122,8 @@ wglSetPixelFormat(
int iPixelFormat,
const PIXELFORMATDESCRIPTOR *ppfd )
{
uint count;
uint index;
(void) hdc;
count = pixelformat_get_extended_count();
index = (uint) iPixelFormat - 1;
if (index >= count || ppfd->nSize != sizeof( PIXELFORMATDESCRIPTOR ))
if (ppfd->nSize != sizeof( PIXELFORMATDESCRIPTOR ))
return FALSE;
currentpixelformat = index + 1;
return TRUE;
return stw_pixelformat_set( hdc, iPixelFormat );
}