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authorIan Romanick <idr@us.ibm.com>2004-06-03 23:16:58 +0000
committerIan Romanick <idr@us.ibm.com>2004-06-03 23:16:58 +0000
commit82a558108950ff74a0384a8ba243296f25d0cf90 (patch)
tree4a54ad5a57eb0ac4565912f8a2705abacd4c8a61 /src/mesa/drivers/dri/r128
parent4d8c0398f19c249d3e3917d52311acf5cf8cccd9 (diff)
Enable use of new DRI interface in Rage128 driver.
Diffstat (limited to 'src/mesa/drivers/dri/r128')
-rw-r--r--src/mesa/drivers/dri/r128/r128_screen.c144
1 files changed, 142 insertions, 2 deletions
diff --git a/src/mesa/drivers/dri/r128/r128_screen.c b/src/mesa/drivers/dri/r128/r128_screen.c
index 26185fa062..624d67f9ba 100644
--- a/src/mesa/drivers/dri/r128/r128_screen.c
+++ b/src/mesa/drivers/dri/r128/r128_screen.c
@@ -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 */