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Enable use of new DRI interface in Rage128 driver.

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This commit is contained in:
Ian Romanick 2004-06-03 23:16:58 +00:00
parent 4d8c0398f1
commit 82a5581089
1 changed files with 142 additions and 2 deletions
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144
src/mesa/drivers/dri/r128/r128_screen.c
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@ -87,6 +87,9 @@ static const GLuint __driNConfigOptions = 2;
#define PCI_CHIP_RAGE128RL 0x524C
#endif
#ifdef USE_NEW_INTERFACE
static PFNGLXCREATECONTEXTMODES create_context_modes = NULL;
#endif /* USE_NEW_INTERFACE */
/* Create the device specific screen private data struct.
*/
@ -96,8 +99,6 @@ r128CreateScreen( __DRIscreenPrivate *sPriv )
r128ScreenPtr r128Screen;
R128DRIPtr r128DRIPriv = (R128DRIPtr)sPriv->pDevPriv;
if ( ! driCheckDriDdxDrmVersions( sPriv, "Rage128", 4, 0, 4, 0, 2, 2 ) )
return NULL;
/* Allocate the private area */
r128Screen = (r128ScreenPtr) CALLOC( sizeof(*r128Screen) );
@ -376,6 +377,7 @@ static struct __DriverAPIRec r128API = {
};
#ifndef DRI_NEW_INTERFACE_ONLY
/*
* This is the bootstrap function for the driver.
* The __driCreateScreen name is the symbol that libGL.so fetches.
@ -398,3 +400,141 @@ void *__driCreateScreen(struct DRIDriverRec *driver,
return (void *) psp;
}
#endif
#endif /* DRI_NEW_INTERFACE_ONLY */
#ifdef USE_NEW_INTERFACE
static __GLcontextModes *
r128FillInModes( unsigned pixel_bits, unsigned depth_bits,
unsigned stencil_bits, GLboolean have_back_buffer )
{
__GLcontextModes * modes;
__GLcontextModes * m;
unsigned num_modes;
unsigned depth_buffer_factor;
unsigned back_buffer_factor;
GLenum fb_format;
GLenum fb_type;
/* Right now GLX_SWAP_COPY_OML isn't supported, but it would be easy
* enough to add support. Basically, if a context is created with an
* fbconfig where the swap method is GLX_SWAP_COPY_OML, pageflipping
* will never be used.
*/
static const GLenum back_buffer_modes[] = {
GLX_NONE, GLX_SWAP_UNDEFINED_OML /*, GLX_SWAP_COPY_OML */
};
uint8_t depth_bits_array[2];
uint8_t stencil_bits_array[2];
depth_bits_array[0] = depth_bits;
depth_bits_array[1] = depth_bits;
/* Just like with the accumulation buffer, always provide some modes
* with a stencil buffer. It will be a sw fallback, but some apps won't
* care about that.
*/
stencil_bits_array[0] = 0;
stencil_bits_array[1] = (stencil_bits == 0) ? 8 : stencil_bits;
depth_buffer_factor = ((depth_bits != 0) || (stencil_bits != 0)) ? 2 : 1;
back_buffer_factor = (have_back_buffer) ? 2 : 1;
num_modes = depth_buffer_factor * back_buffer_factor * 4;
if ( pixel_bits == 16 ) {
fb_format = GL_RGB;
fb_type = GL_UNSIGNED_SHORT_5_6_5;
}
else {
fb_format = GL_BGR;
fb_type = GL_UNSIGNED_INT_8_8_8_8_REV;
}
modes = (*create_context_modes)( num_modes, sizeof( __GLcontextModes ) );
m = modes;
if ( ! driFillInModes( & m, fb_format, fb_type,
depth_bits_array, stencil_bits_array, depth_buffer_factor,
back_buffer_modes, back_buffer_factor,
GLX_TRUE_COLOR ) ) {
fprintf( stderr, "[%s:%u] Error creating FBConfig!\n",
__func__, __LINE__ );
return NULL;
}
if ( ! driFillInModes( & m, fb_format, fb_type,
depth_bits_array, stencil_bits_array, depth_buffer_factor,
back_buffer_modes, back_buffer_factor,
GLX_DIRECT_COLOR ) ) {
fprintf( stderr, "[%s:%u] Error creating FBConfig!\n",
__func__, __LINE__ );
return NULL;
}
/* Mark the visual as slow if there are "fake" stencil bits.
*/
for ( m = modes ; m != NULL ; m = m->next ) {
if ( (m->stencilBits != 0) && (m->stencilBits != stencil_bits) ) {
m->visualRating = GLX_SLOW_CONFIG;
}
}
return modes;
}
/**
* This is the bootstrap function for the driver. libGL supplies all of the
* requisite information about the system, and the driver initializes itself.
* This routine also fills in the linked list pointed to by \c driver_modes
* with the \c __GLcontextModes that the driver can support for windows or
* pbuffers.
*
* \return A pointer to a \c __DRIscreenPrivate on success, or \c NULL on
* failure.
*/
void * __driCreateNewScreen( __DRInativeDisplay *dpy, int scrn, __DRIscreen *psc,
const __GLcontextModes * modes,
const __DRIversion * ddx_version,
const __DRIversion * dri_version,
const __DRIversion * drm_version,
const __DRIframebuffer * frame_buffer,
drmAddress pSAREA, int fd,
int internal_api_version,
__GLcontextModes ** driver_modes )
{
__DRIscreenPrivate *psp;
static const __DRIversion ddx_expected = { 4, 0, 0 };
static const __DRIversion dri_expected = { 4, 0, 0 };
static const __DRIversion drm_expected = { 2, 2, 0 };
if ( ! driCheckDriDdxDrmVersions2( "Rage128",
dri_version, & dri_expected,
ddx_version, & ddx_expected,
drm_version, & drm_expected ) ) {
return NULL;
}
psp = __driUtilCreateNewScreen(dpy, scrn, psc, NULL,
ddx_version, dri_version, drm_version,
frame_buffer, pSAREA, fd,
internal_api_version, &r128API);
if ( psp != NULL ) {
create_context_modes = (PFNGLXCREATECONTEXTMODES)
glXGetProcAddress( (const GLubyte *) "__glXCreateContextModes" );
if ( create_context_modes != NULL ) {
R128DRIPtr dri_priv = (R128DRIPtr) psp->pDevPriv;
*driver_modes = r128FillInModes( dri_priv->bpp,
(dri_priv->bpp == 16) ? 16 : 24,
(dri_priv->bpp == 16) ? 0 : 8,
(dri_priv->backOffset != dri_priv->depthOffset) );
}
}
return (void *) psp;
}
#endif /* USE_NEW_INTERFACE */