From c2530b573076fe0b257710a456a2b8cd714c0d0a Mon Sep 17 00:00:00 2001 From: Felix Kuehling Date: Sun, 22 Aug 2004 20:31:40 +0000 Subject: Converted the Savage driver to the new DRI interface and enabled compilation in the Mesa tree. --- src/mesa/drivers/dri/savage/savage_xmesa.c | 175 ++++++++++++++++++++++++----- 1 file changed, 149 insertions(+), 26 deletions(-) (limited to 'src/mesa/drivers/dri/savage/savage_xmesa.c') diff --git a/src/mesa/drivers/dri/savage/savage_xmesa.c b/src/mesa/drivers/dri/savage/savage_xmesa.c index c6163ff598..f1fd5eacf0 100644 --- a/src/mesa/drivers/dri/savage/savage_xmesa.c +++ b/src/mesa/drivers/dri/savage/savage_xmesa.c @@ -34,6 +34,8 @@ #include "simple_list.h" +#include "utils.h" + #include "swrast/swrast.h" #include "swrast_setup/swrast_setup.h" #include "tnl/tnl.h" @@ -55,6 +57,10 @@ #include "savagedma.h" +#ifdef USE_NEW_INTERFACE +static PFNGLXCREATECONTEXTMODES create_context_modes = NULL; +#endif /* USE_NEW_INTERFACE */ + #ifndef SAVAGE_DEBUG int SAVAGE_DEBUG = (0 /* | DEBUG_ALWAYS_SYNC */ @@ -88,31 +94,6 @@ savageInitDriver(__DRIscreenPrivate *sPriv) SAVAGEDRIPtr gDRIPriv = (SAVAGEDRIPtr)sPriv->pDevPriv; - /* Check the DRI version */ - { - int major, minor, patch; - if (XF86DRIQueryVersion(sPriv->display, &major, &minor, &patch)) { - if (major != 4 || minor < 0) { - __driUtilMessage("savage DRI driver expected DRI version 4.0.x but got version %d.%d.%d", major, minor, patch); - return GL_FALSE; - } - } - } - - /* Check that the DDX driver version is compatible */ - if (sPriv->ddxMajor != 1 || - sPriv->ddxMinor < 0) { - __driUtilMessage("savage DRI driver expected DDX driver version 1.0.x but got version %d.%d.%d", sPriv->ddxMajor, sPriv->ddxMinor, sPriv->ddxPatch); - return GL_FALSE; - } - - /* Check that the DRM driver version is compatible */ - if (sPriv->drmMajor != 1 || - sPriv->drmMinor < 0) { - __driUtilMessage("savage DRI driver expected DRM driver version 1.1.x but got version %d.%d.%d", sPriv->drmMajor, sPriv->drmMinor, sPriv->drmPatch); - return GL_FALSE; - } - /* Allocate the private area */ savageScreen = (savageScreenPrivate *)Xmalloc(sizeof(savageScreenPrivate)); if (!savageScreen) @@ -813,8 +794,9 @@ static const struct __DriverAPIRec savageAPI = { +#ifndef DRI_NEW_INTERFACE_ONLY /* - * This is the bootstrap function for the driver. + * This is the (old) bootstrap function for the driver. * The __driCreateScreen name is the symbol that libGL.so fetches. * Return: pointer to a __DRIscreenPrivate. */ @@ -825,6 +807,147 @@ void *__driCreateScreen(Display *dpy, int scrn, __DRIscreen *psc, psp = __driUtilCreateScreen(dpy, scrn, psc, numConfigs, config, &savageAPI); return (void *) psp; } +#endif /* DRI_NEW_INTERFACE_ONLY */ + + + +#ifdef USE_NEW_INTERFACE +static __GLcontextModes * +savageFillInModes( 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. + * + * FK: What about drivers that don't use page flipping? Could they + * just expose GLX_SWAP_COPY_OML? + */ + 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 = { 1, 0, 0 }; + static const __DRIversion dri_expected = { 4, 0, 0 }; + static const __DRIversion drm_expected = { 1, 0, 0 }; + + if ( ! driCheckDriDdxDrmVersions2( "Savage", + 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, &savageAPI); + if ( psp != NULL ) { + create_context_modes = (PFNGLXCREATECONTEXTMODES) + glXGetProcAddress( (const GLubyte *) "__glXCreateContextModes" ); + if ( create_context_modes != NULL ) { + SAVAGEDRIPtr dri_priv = (SAVAGEDRIPtr)psp->pDevPriv; + *driver_modes = savageFillInModes( dri_priv->cpp*8, + (dri_priv->cpp == 2) ? 16 : 24, + (dri_priv->cpp == 2) ? 0 : 8, + (dri_priv->backOffset != dri_priv->depthOffset) ); + } + } + + return (void *) psp; +} +#endif /* USE_NEW_INTERFACE */ #endif -- cgit v1.2.3