/* * Copyright 1998-2003 VIA Technologies, Inc. All Rights Reserved. * Copyright 2001-2003 S3 Graphics, Inc. All Rights Reserved. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sub license, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice (including the * next paragraph) shall be included in all copies or substantial portions * of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL * VIA, S3 GRAPHICS, AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER * DEALINGS IN THE SOFTWARE. */ #include #include "utils.h" #include "dri_util.h" #include "glheader.h" #include "context.h" #include "framebuffer.h" #include "renderbuffer.h" #include "matrix.h" #include "simple_list.h" #include "vblank.h" #include "via_state.h" #include "via_tex.h" #include "via_span.h" #include "via_tris.h" #include "via_ioctl.h" #include "via_screen.h" #include "via_fb.h" #include "via_dri.h" #include "GL/internal/dri_interface.h" /* Radeon configuration */ #include "xmlpool.h" const char __driConfigOptions[] = DRI_CONF_BEGIN DRI_CONF_SECTION_PERFORMANCE DRI_CONF_FTHROTTLE_MODE(DRI_CONF_FTHROTTLE_IRQS) DRI_CONF_VBLANK_MODE(DRI_CONF_VBLANK_DEF_INTERVAL_0) DRI_CONF_SECTION_END DRI_CONF_SECTION_DEBUG DRI_CONF_NO_RAST(false) DRI_CONF_SECTION_END DRI_CONF_END; static const GLuint __driNConfigOptions = 3; static int getSwapInfo( __DRIdrawablePrivate *dPriv, __DRIswapInfo * sInfo ); static drmBufMapPtr via_create_empty_buffers(void) { drmBufMapPtr retval; retval = (drmBufMapPtr)MALLOC(sizeof(drmBufMap)); if (retval == NULL) return NULL; memset(retval, 0, sizeof(drmBufMap)); retval->list = (drmBufPtr)MALLOC(sizeof(drmBuf) * VIA_DMA_BUF_NR); if (retval->list == NULL) { FREE(retval); return NULL; } memset(retval->list, 0, sizeof(drmBuf) * VIA_DMA_BUF_NR); return retval; } static void via_free_empty_buffers( drmBufMapPtr bufs ) { if (bufs && bufs->list) FREE(bufs->list); if (bufs) FREE(bufs); } static GLboolean viaInitDriver(__DRIscreenPrivate *sPriv) { viaScreenPrivate *viaScreen; VIADRIPtr gDRIPriv = (VIADRIPtr)sPriv->pDevPriv; PFNGLXSCRENABLEEXTENSIONPROC glx_enable_extension = (PFNGLXSCRENABLEEXTENSIONPROC) (*dri_interface->getProcAddress("glxEnableExtension")); void * const psc = sPriv->psc->screenConfigs; if ( glx_enable_extension == NULL ) { return GL_FALSE; } /* Allocate the private area */ viaScreen = (viaScreenPrivate *) CALLOC(sizeof(viaScreenPrivate)); if (!viaScreen) { __driUtilMessage("viaInitDriver: alloc viaScreenPrivate struct failed"); return GL_FALSE; } /* parse information in __driConfigOptions */ driParseOptionInfo (&viaScreen->optionCache, __driConfigOptions, __driNConfigOptions); viaScreen->driScrnPriv = sPriv; sPriv->private = (void *)viaScreen; viaScreen->deviceID = gDRIPriv->deviceID; viaScreen->width = gDRIPriv->width; viaScreen->height = gDRIPriv->height; viaScreen->mem = gDRIPriv->mem; viaScreen->bitsPerPixel = gDRIPriv->bytesPerPixel * 8; viaScreen->bytesPerPixel = gDRIPriv->bytesPerPixel; viaScreen->fbOffset = 0; viaScreen->fbSize = gDRIPriv->fbSize; viaScreen->irqEnabled = gDRIPriv->irqEnabled; viaScreen->irqEnabled = 1; if (VIA_DEBUG & DEBUG_DRI) { fprintf(stderr, "deviceID = %08x\n", viaScreen->deviceID); fprintf(stderr, "width = %08x\n", viaScreen->width); fprintf(stderr, "height = %08x\n", viaScreen->height); fprintf(stderr, "cpp = %08x\n", viaScreen->cpp); fprintf(stderr, "fbOffset = %08x\n", viaScreen->fbOffset); } viaScreen->bufs = via_create_empty_buffers(); if (viaScreen->bufs == NULL) { __driUtilMessage("viaInitDriver: via_create_empty_buffers() failed"); FREE(viaScreen); return GL_FALSE; } if (drmMap(sPriv->fd, gDRIPriv->regs.handle, gDRIPriv->regs.size, (drmAddress *)&viaScreen->reg) != 0) { FREE(viaScreen); sPriv->private = NULL; __driUtilMessage("viaInitDriver: drmMap regs failed"); return GL_FALSE; } if (gDRIPriv->agp.size) { if (drmMap(sPriv->fd, gDRIPriv->agp.handle, gDRIPriv->agp.size, (drmAddress *)&viaScreen->agpLinearStart) != 0) { FREE(viaScreen); drmUnmap(viaScreen->reg, gDRIPriv->agp.size); sPriv->private = NULL; __driUtilMessage("viaInitDriver: drmMap agp failed"); return GL_FALSE; } viaScreen->agpBase = (GLuint *)gDRIPriv->agp.handle; } else viaScreen->agpLinearStart = 0; viaScreen->sareaPrivOffset = gDRIPriv->sarea_priv_offset; if ( viaScreen->irqEnabled ) { (*glx_enable_extension)( psc, "GLX_SGI_swap_control" ); (*glx_enable_extension)( psc, "GLX_SGI_video_sync" ); (*glx_enable_extension)( psc, "GLX_MESA_swap_control" ); } (*glx_enable_extension)( psc, "GLX_MESA_swap_frame_usage" ); return GL_TRUE; } static void viaDestroyScreen(__DRIscreenPrivate *sPriv) { viaScreenPrivate *viaScreen = (viaScreenPrivate *)sPriv->private; VIADRIPtr gDRIPriv = (VIADRIPtr)sPriv->pDevPriv; drmUnmap(viaScreen->reg, gDRIPriv->regs.size); if (gDRIPriv->agp.size) drmUnmap(viaScreen->agpLinearStart, gDRIPriv->agp.size); via_free_empty_buffers(viaScreen->bufs); FREE(viaScreen); sPriv->private = NULL; } static GLboolean viaCreateBuffer(__DRIscreenPrivate *driScrnPriv, __DRIdrawablePrivate *driDrawPriv, const __GLcontextModes *mesaVis, GLboolean isPixmap) { viaScreenPrivate *screen = (viaScreenPrivate *) driScrnPriv->private; GLboolean swStencil = (mesaVis->stencilBits > 0 && mesaVis->depthBits != 24); if (isPixmap) { /* KW: This needs work, disabled for now: */ #if 0 driDrawPriv->driverPrivate = (void *) _mesa_create_framebuffer(mesaVis, GL_FALSE, /* software depth buffer? */ swStencil, mesaVis->accumRedBits > 0, GL_FALSE /* s/w alpha planes */); return (driDrawPriv->driverPrivate != NULL); #endif return GL_FALSE; } else { #if 0 driDrawPriv->driverPrivate = (void *) _mesa_create_framebuffer(mesaVis, GL_FALSE, /* software depth buffer? */ swStencil, mesaVis->accumRedBits > 0, GL_FALSE /* s/w alpha planes */); #else struct gl_framebuffer *fb = _mesa_create_framebuffer(mesaVis); /* XXX check/fix the offset/pitch parameters! */ { driRenderbuffer *frontRb = driNewRenderbuffer(GL_RGBA, screen->bytesPerPixel, 0, screen->width); viaSetSpanFunctions(frontRb, mesaVis); _mesa_add_renderbuffer(fb, BUFFER_FRONT_LEFT, &frontRb->Base); } if (mesaVis->doubleBufferMode) { driRenderbuffer *backRb = driNewRenderbuffer(GL_RGBA, screen->bytesPerPixel, 0, screen->width); viaSetSpanFunctions(backRb, mesaVis); _mesa_add_renderbuffer(fb, BUFFER_BACK_LEFT, &backRb->Base); } if (mesaVis->depthBits == 16) { driRenderbuffer *depthRb = driNewRenderbuffer(GL_DEPTH_COMPONENT16, screen->bytesPerPixel, 0, screen->width); viaSetSpanFunctions(depthRb, mesaVis); _mesa_add_renderbuffer(fb, BUFFER_DEPTH, &depthRb->Base); } else if (mesaVis->depthBits == 24) { driRenderbuffer *depthRb = driNewRenderbuffer(GL_DEPTH_COMPONENT24, screen->bytesPerPixel, 0, screen->width); viaSetSpanFunctions(depthRb, mesaVis); _mesa_add_renderbuffer(fb, BUFFER_DEPTH, &depthRb->Base); } else if (mesaVis->depthBits == 32) { driRenderbuffer *depthRb = driNewRenderbuffer(GL_DEPTH_COMPONENT32, screen->bytesPerPixel, 0, screen->width); viaSetSpanFunctions(depthRb, mesaVis); _mesa_add_renderbuffer(fb, BUFFER_DEPTH, &depthRb->Base); } if (mesaVis->stencilBits > 0 && !swStencil) { driRenderbuffer *stencilRb = driNewRenderbuffer(GL_STENCIL_INDEX8_EXT, screen->bytesPerPixel, 0, screen->width); viaSetSpanFunctions(stencilRb, mesaVis); _mesa_add_renderbuffer(fb, BUFFER_STENCIL, &stencilRb->Base); } _mesa_add_soft_renderbuffers(fb, GL_FALSE, /* color */ GL_FALSE, /* depth */ swStencil, mesaVis->accumRedBits > 0, GL_FALSE, /* alpha */ GL_FALSE /* aux */); driDrawPriv->driverPrivate = (void *) fb; #endif return (driDrawPriv->driverPrivate != NULL); } } static void viaDestroyBuffer(__DRIdrawablePrivate *driDrawPriv) { _mesa_destroy_framebuffer((GLframebuffer *)(driDrawPriv->driverPrivate)); } static struct __DriverAPIRec viaAPI = { .InitDriver = viaInitDriver, .DestroyScreen = viaDestroyScreen, .CreateContext = viaCreateContext, .DestroyContext = viaDestroyContext, .CreateBuffer = viaCreateBuffer, .DestroyBuffer = viaDestroyBuffer, .SwapBuffers = viaSwapBuffers, .MakeCurrent = viaMakeCurrent, .UnbindContext = viaUnbindContext, .GetSwapInfo = getSwapInfo, .GetMSC = driGetMSC32, .WaitForMSC = driWaitForMSC32, .WaitForSBC = NULL, .SwapBuffersMSC = NULL }; 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 u_int8_t depth_bits_array[4] = { 0, 16, 24, 32 }; static const u_int8_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_BGRA; fb_type = GL_UNSIGNED_INT_8_8_8_8_REV; } modes = (*dri_interface->createContextModes)( 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; } /** * 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. */ PUBLIC void * __driCreateNewScreen_20050725( __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, const __DRIinterfaceMethods * interface, __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, 3, 0 }; dri_interface = interface; 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 ) { VIADRIPtr dri_priv = (VIADRIPtr) psp->pDevPriv; *driver_modes = viaFillInModes( dri_priv->bytesPerPixel * 8, GL_TRUE ); } fprintf(stderr, "%s - succeeded\n", __FUNCTION__); return (void *) psp; } /** * Get information about previous buffer swaps. */ static int getSwapInfo( __DRIdrawablePrivate *dPriv, __DRIswapInfo * sInfo ) { struct via_context *vmesa; if ( (dPriv == NULL) || (dPriv->driContextPriv == NULL) || (dPriv->driContextPriv->driverPrivate == NULL) || (sInfo == NULL) ) { return -1; } vmesa = (struct via_context *) dPriv->driContextPriv->driverPrivate; sInfo->swap_count = vmesa->swap_count; sInfo->swap_ust = vmesa->swap_ust; sInfo->swap_missed_count = vmesa->swap_missed_count; sInfo->swap_missed_usage = (sInfo->swap_missed_count != 0) ? driCalculateSwapUsage( dPriv, 0, vmesa->swap_missed_ust ) : 0.0; return 0; }