diff options
| -rw-r--r-- | src/mesa/drivers/dri/unichrome/via_screen.c | 127 |
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 bbe570f222e..b0d4c57ec0b 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 */ |