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authorIan Romanick <idr@us.ibm.com>2004-06-05 00:48:48 +0000
committerIan Romanick <idr@us.ibm.com>2004-06-05 00:48:48 +0000
commit45e7b47d5659f435ab8a134e47b2db280b62c476 (patch)
tree21b1c55b3a9a18e8d5a6ba10a930df954a7e9f69 /src/mesa/drivers/dri/unichrome
parente3a07ba609b844de1d8378056261c8dd9f073cdb (diff)
Enable use of new DRI interface in Unichrome driver.
Diffstat (limited to 'src/mesa/drivers/dri/unichrome')
-rw-r--r--src/mesa/drivers/dri/unichrome/via_screen.c127
1 files changed, 125 insertions, 2 deletions
diff --git a/src/mesa/drivers/dri/unichrome/via_screen.c b/src/mesa/drivers/dri/unichrome/via_screen.c
index bbe570f222..b0d4c57ec0 100644
--- a/src/mesa/drivers/dri/unichrome/via_screen.c
+++ b/src/mesa/drivers/dri/unichrome/via_screen.c
@@ -42,6 +42,11 @@
#include "via_dri.h"
extern viaContextPtr current_mesa;
+#ifdef USE_NEW_INTERFACE
+static PFNGLXCREATECONTEXTMODES create_context_modes = NULL;
+#endif /* USE_NEW_INTERFACE */
+
+
static drmBufMapPtr via_create_empty_buffers(void)
{
drmBufMapPtr retval;
@@ -67,8 +72,7 @@ viaInitDriver(__DRIscreenPrivate *sPriv)
#ifdef DEBUG
if (VIA_DEBUG) fprintf(stderr, "%s - in\n", __FUNCTION__);
#endif
- if (!driCheckDriDdxDrmVersions(sPriv, "Via", 4, 0, 4, 0, 1, 1))
- return GL_FALSE;
+
/* Allocate the private area */
viaScreen = (viaScreenPrivate *) CALLOC(sizeof(viaScreenPrivate));
@@ -286,6 +290,7 @@ static struct __DriverAPIRec viaAPI = {
* The __driCreateScreen name is the symbol that libGL.so fetches.
* Return: pointer to a __DRIscreenPrivate.
*/
+#if !defined(DRI_NEW_INTERFACE_ONLY)
#ifndef _SOLO
void *__driCreateScreen(Display *dpy, int scrn, __DRIscreen *psc,
int numConfigs, __GLXvisualConfig *config)
@@ -303,3 +308,121 @@ void *__driCreateScreen(struct DRIDriverRec *driver,
return (void *) psp;
}
#endif
+#endif /* !defined(DRI_NEW_INTERFACE_ONLY) */
+
+
+#ifdef USE_NEW_INTERFACE
+static __GLcontextModes *
+viaFillInModes( unsigned pixel_bits, GLboolean have_back_buffer )
+{
+ __GLcontextModes * modes;
+ __GLcontextModes * m;
+ unsigned num_modes;
+ const unsigned back_buffer_factor = (have_back_buffer) ? 2 : 1;
+ 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 */
+ };
+
+ /* The 32-bit depth-buffer mode isn't supported yet, so don't actually
+ * enable it.
+ */
+ static const uint8_t depth_bits_array[4] = { 0, 16, 24, 32 };
+ static const uint8_t stencil_bits_array[4] = { 0, 0, 8, 0 };
+ const unsigned depth_buffer_factor = 3;
+
+
+ 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;
+ }
+
+ return modes;
+}
+#endif /* USE_NEW_INTERFACE */
+
+
+/**
+ * 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.
+ */
+#ifdef USE_NEW_INTERFACE
+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 = { 1, 1, 0 };
+
+ if ( ! driCheckDriDdxDrmVersions2( "Unichrome",
+ 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, &viaAPI);
+ if ( psp != NULL ) {
+ create_context_modes = (PFNGLXCREATECONTEXTMODES)
+ glXGetProcAddress( (const GLubyte *) "__glXCreateContextModes" );
+ if ( create_context_modes != NULL ) {
+ VIADRIPtr dri_priv = (VIADRIPtr) psp->pDevPriv;
+ *driver_modes = viaFillInModes( dri_priv->bytesPerPixel * 8,
+ GL_TRUE );
+ }
+ }
+
+ return (void *) psp;
+}
+#endif /* USE_NEW_INTERFACE */