| /* $XFree86$ */ /* -*- mode: c; c-basic-offset: 3 -*- */ |
| /* |
| * Copyright 2000 Gareth Hughes |
| * 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, sublicense, |
| * 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 NONINFRINGEMENT. IN NO EVENT SHALL |
| * GARETH HUGHES 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. |
| */ |
| |
| /* |
| * Authors: |
| * Gareth Hughes <gareth@valinux.com> |
| * Leif Delgass <ldelgass@retinalburn.net> |
| * Jos�Fonseca <j_r_fonseca@yahoo.co.uk> |
| */ |
| |
| #include "mach64_context.h" |
| #include "mach64_ioctl.h" |
| #include "mach64_tris.h" |
| #include "mach64_vb.h" |
| #include "mach64_span.h" |
| |
| #include "context.h" |
| #include "imports.h" |
| #include "framebuffer.h" |
| #include "renderbuffer.h" |
| |
| #include "utils.h" |
| #include "vblank.h" |
| |
| #include "GL/internal/dri_interface.h" |
| |
| /* Mach64 configuration |
| */ |
| #include "xmlpool.h" |
| |
| PUBLIC const char __driConfigOptions[] = |
| DRI_CONF_BEGIN |
| DRI_CONF_SECTION_PERFORMANCE |
| DRI_CONF_VBLANK_MODE(DRI_CONF_VBLANK_DEF_INTERVAL_0) |
| DRI_CONF_SECTION_END |
| #if ENABLE_PERF_BOXES |
| DRI_CONF_SECTION_DEBUG |
| DRI_CONF_PERFORMANCE_BOXES(false) |
| DRI_CONF_SECTION_END |
| #endif |
| DRI_CONF_END; |
| #if ENABLE_PERF_BOXES |
| static const GLuint __driNConfigOptions = 2; |
| #else |
| static const GLuint __driNConfigOptions = 1; |
| #endif |
| |
| #ifdef USE_NEW_INTERFACE |
| static PFNGLXCREATECONTEXTMODES create_context_modes = NULL; |
| #endif /* USE_NEW_INTERFACE */ |
| |
| #ifdef USE_NEW_INTERFACE |
| static __GLcontextModes * fill_in_modes( __GLcontextModes * modes, |
| unsigned pixel_bits, |
| unsigned depth_bits, |
| unsigned stencil_bits, |
| const GLenum * db_modes, |
| unsigned num_db_modes, |
| int visType ) |
| { |
| static const u_int8_t bits[2][4] = { |
| { 5, 6, 5, 0 }, |
| { 8, 8, 8, 0 } |
| }; |
| |
| static const u_int32_t masks[2][4] = { |
| { 0x0000F800, 0x000007E0, 0x0000001F, 0x00000000 }, |
| { 0x00FF0000, 0x0000FF00, 0x000000FF, 0x00000000 } |
| }; |
| |
| unsigned i; |
| unsigned j; |
| const unsigned index = ((pixel_bits + 15) / 16) - 1; |
| |
| for ( i = 0 ; i < num_db_modes ; i++ ) { |
| for ( j = 0 ; j < 2 ; j++ ) { |
| |
| modes->redBits = bits[index][0]; |
| modes->greenBits = bits[index][1]; |
| modes->blueBits = bits[index][2]; |
| modes->alphaBits = bits[index][3]; |
| modes->redMask = masks[index][0]; |
| modes->greenMask = masks[index][1]; |
| modes->blueMask = masks[index][2]; |
| modes->alphaMask = masks[index][3]; |
| modes->rgbBits = modes->redBits + modes->greenBits |
| + modes->blueBits + modes->alphaBits; |
| |
| modes->accumRedBits = 16 * j; |
| modes->accumGreenBits = 16 * j; |
| modes->accumBlueBits = 16 * j; |
| modes->accumAlphaBits = 0; |
| modes->visualRating = (j == 0) ? GLX_NONE : GLX_SLOW_CONFIG; |
| modes->drawableType = GLX_WINDOW_BIT | GLX_PIXMAP_BIT; |
| modes->stencilBits = stencil_bits; |
| modes->depthBits = depth_bits; |
| |
| modes->visualType = visType; |
| modes->renderType = GLX_RGBA_BIT; |
| modes->rgbMode = GL_TRUE; |
| |
| if ( db_modes[i] == GLX_NONE ) { |
| |
| modes->doubleBufferMode = GL_FALSE; |
| } |
| else { |
| modes->doubleBufferMode = GL_TRUE; |
| modes->swapMethod = db_modes[i]; |
| } |
| |
| modes = modes->next; |
| } |
| } |
| |
| return modes; |
| } |
| #endif /* USE_NEW_INTERFACE */ |
| |
| |
| #ifdef USE_NEW_INTERFACE |
| static __GLcontextModes * |
| mach64FillInModes( 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; |
| unsigned i; |
| |
| /* 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 */ |
| }; |
| |
| int depth_buffer_modes[2][2]; |
| |
| |
| depth_buffer_modes[0][0] = depth_bits; |
| depth_buffer_modes[1][0] = 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. |
| */ |
| depth_buffer_modes[0][1] = 0; |
| depth_buffer_modes[1][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; |
| |
| modes = (*create_context_modes)( num_modes, sizeof( __GLcontextModes ) ); |
| m = modes; |
| for ( i = 0 ; i < depth_buffer_factor ; i++ ) { |
| m = fill_in_modes( m, pixel_bits, |
| depth_buffer_modes[i][0], depth_buffer_modes[i][1], |
| back_buffer_modes, back_buffer_factor, |
| GLX_TRUE_COLOR ); |
| } |
| |
| for ( i = 0 ; i < depth_buffer_factor ; i++ ) { |
| m = fill_in_modes( m, pixel_bits, |
| depth_buffer_modes[i][0], depth_buffer_modes[i][1], |
| back_buffer_modes, back_buffer_factor, |
| GLX_DIRECT_COLOR ); |
| } |
| |
| /* 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; |
| } |
| #endif /* USE_NEW_INTERFACE */ |
| |
| |
| /* Create the device specific screen private data struct. |
| */ |
| static mach64ScreenRec * |
| mach64CreateScreen( __DRIscreenPrivate *sPriv ) |
| { |
| mach64ScreenPtr mach64Screen; |
| ATIDRIPtr serverInfo = (ATIDRIPtr)sPriv->pDevPriv; |
| |
| if ( MACH64_DEBUG & DEBUG_VERBOSE_DRI ) |
| fprintf( stderr, "%s\n", __FUNCTION__ ); |
| |
| /* Allocate the private area */ |
| mach64Screen = (mach64ScreenPtr) CALLOC( sizeof(*mach64Screen) ); |
| if ( !mach64Screen ) return NULL; |
| |
| /* parse information in __driConfigOptions */ |
| driParseOptionInfo (&mach64Screen->optionCache, |
| __driConfigOptions, __driNConfigOptions); |
| |
| mach64Screen->IsPCI = serverInfo->IsPCI; |
| |
| { |
| drm_mach64_getparam_t gp; |
| int ret; |
| |
| gp.param = MACH64_PARAM_IRQ_NR; |
| gp.value = (void *) &mach64Screen->irq; |
| |
| ret = drmCommandWriteRead( sPriv->fd, DRM_MACH64_GETPARAM, |
| &gp, sizeof(gp)); |
| if (ret) { |
| fprintf(stderr, "DRM_MACH64_GETPARAM (MACH64_PARAM_IRQ_NR): %d\n", ret); |
| FREE( mach64Screen ); |
| return NULL; |
| } |
| } |
| |
| mach64Screen->mmio.handle = serverInfo->regs; |
| mach64Screen->mmio.size = serverInfo->regsSize; |
| if ( drmMap( sPriv->fd, |
| mach64Screen->mmio.handle, |
| mach64Screen->mmio.size, |
| (drmAddressPtr)&mach64Screen->mmio.map ) != 0 ) { |
| FREE( mach64Screen ); |
| return NULL; |
| } |
| |
| mach64Screen->buffers = drmMapBufs( sPriv->fd ); |
| if ( !mach64Screen->buffers ) { |
| drmUnmap( (drmAddress)mach64Screen->mmio.map, |
| mach64Screen->mmio.size ); |
| FREE( mach64Screen ); |
| return NULL; |
| } |
| |
| if ( !mach64Screen->IsPCI ) { |
| mach64Screen->agpTextures.handle = serverInfo->agp; |
| mach64Screen->agpTextures.size = serverInfo->agpSize; |
| if ( drmMap( sPriv->fd, |
| mach64Screen->agpTextures.handle, |
| mach64Screen->agpTextures.size, |
| (drmAddressPtr)&mach64Screen->agpTextures.map ) ) { |
| drmUnmapBufs( mach64Screen->buffers ); |
| drmUnmap( (drmAddress)mach64Screen->mmio.map, mach64Screen->mmio.size ); |
| FREE( mach64Screen ); |
| return NULL; |
| } |
| } |
| |
| mach64Screen->AGPMode = serverInfo->AGPMode; |
| |
| mach64Screen->chipset = serverInfo->chipset; |
| mach64Screen->width = serverInfo->width; |
| mach64Screen->height = serverInfo->height; |
| mach64Screen->mem = serverInfo->mem; |
| mach64Screen->cpp = serverInfo->cpp; |
| |
| mach64Screen->frontOffset = serverInfo->frontOffset; |
| mach64Screen->frontPitch = serverInfo->frontPitch; |
| mach64Screen->backOffset = serverInfo->backOffset; |
| mach64Screen->backPitch = serverInfo->backPitch; |
| mach64Screen->depthOffset = serverInfo->depthOffset; |
| mach64Screen->depthPitch = serverInfo->depthPitch; |
| |
| mach64Screen->texOffset[MACH64_CARD_HEAP] = serverInfo->textureOffset; |
| mach64Screen->texSize[MACH64_CARD_HEAP] = serverInfo->textureSize; |
| mach64Screen->logTexGranularity[MACH64_CARD_HEAP] = |
| serverInfo->logTextureGranularity; |
| |
| if ( mach64Screen->IsPCI ) { |
| mach64Screen->numTexHeaps = MACH64_NR_TEX_HEAPS - 1; |
| mach64Screen->firstTexHeap = MACH64_CARD_HEAP; |
| mach64Screen->texOffset[MACH64_AGP_HEAP] = 0; |
| mach64Screen->texSize[MACH64_AGP_HEAP] = 0; |
| mach64Screen->logTexGranularity[MACH64_AGP_HEAP] = 0; |
| } else { |
| if (mach64Screen->texSize[MACH64_CARD_HEAP] > 0) { |
| mach64Screen->numTexHeaps = MACH64_NR_TEX_HEAPS; |
| mach64Screen->firstTexHeap = MACH64_CARD_HEAP; |
| } else { |
| mach64Screen->numTexHeaps = MACH64_NR_TEX_HEAPS - 1; |
| mach64Screen->firstTexHeap = MACH64_AGP_HEAP; |
| } |
| mach64Screen->texOffset[MACH64_AGP_HEAP] = serverInfo->agpTextureOffset; |
| mach64Screen->texSize[MACH64_AGP_HEAP] = serverInfo->agpSize; |
| mach64Screen->logTexGranularity[MACH64_AGP_HEAP] = serverInfo->logAgpTextureGranularity; |
| } |
| |
| mach64Screen->driScreen = sPriv; |
| if ( driCompareGLXAPIVersion( 20030813 ) >= 0 ) { |
| PFNGLXSCRENABLEEXTENSIONPROC glx_enable_extension = |
| (PFNGLXSCRENABLEEXTENSIONPROC) glXGetProcAddress( (const GLubyte *) "__glXScrEnableExtension" ); |
| void * const psc = sPriv->psc->screenConfigs; |
| |
| if ( glx_enable_extension != NULL ) { |
| if ( mach64Screen->irq != 0 ) { |
| (*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 mach64Screen; |
| } |
| |
| /* Destroy the device specific screen private data struct. |
| */ |
| static void |
| mach64DestroyScreen( __DRIscreenPrivate *driScreen ) |
| { |
| mach64ScreenRec *mach64Screen = (mach64ScreenRec *) driScreen->private; |
| |
| if ( !mach64Screen ) |
| return; |
| |
| if ( MACH64_DEBUG & DEBUG_VERBOSE_DRI ) |
| fprintf( stderr, "%s\n", __FUNCTION__ ); |
| |
| if ( !mach64Screen->IsPCI ) { |
| drmUnmap( (drmAddress)mach64Screen->agpTextures.map, |
| mach64Screen->agpTextures.size ); |
| } |
| |
| drmUnmapBufs( mach64Screen->buffers ); |
| drmUnmap( (drmAddress)mach64Screen->mmio.map, mach64Screen->mmio.size ); |
| |
| FREE( mach64Screen ); |
| driScreen->private = NULL; |
| } |
| |
| |
| /* Create and initialize the Mesa and driver specific pixmap buffer |
| * data. |
| */ |
| static GLboolean |
| mach64CreateBuffer( __DRIscreenPrivate *driScrnPriv, |
| __DRIdrawablePrivate *driDrawPriv, |
| const __GLcontextModes *mesaVis, |
| GLboolean isPixmap ) |
| { |
| mach64ScreenPtr screen = (mach64ScreenPtr) driScrnPriv->private; |
| |
| if (isPixmap) { |
| return GL_FALSE; /* not implemented */ |
| } |
| else { |
| #if 0 |
| driDrawPriv->driverPrivate = (void *) |
| _mesa_create_framebuffer( mesaVis, |
| GL_FALSE, /* software depth buffer? */ |
| mesaVis->stencilBits > 0, |
| mesaVis->accumRedBits > 0, |
| mesaVis->alphaBits > 0 ); |
| #else |
| struct gl_framebuffer *fb = _mesa_create_framebuffer(mesaVis); |
| |
| { |
| driRenderbuffer *frontRb |
| = driNewRenderbuffer(GL_RGBA, screen->cpp, |
| screen->frontOffset, screen->frontPitch); |
| mach64SetSpanFunctions(frontRb, mesaVis); |
| _mesa_add_renderbuffer(fb, BUFFER_FRONT_LEFT, &frontRb->Base); |
| } |
| |
| if (mesaVis->doubleBufferMode) { |
| driRenderbuffer *backRb |
| = driNewRenderbuffer(GL_RGBA, screen->cpp, |
| screen->backOffset, screen->backPitch); |
| mach64SetSpanFunctions(backRb, mesaVis); |
| _mesa_add_renderbuffer(fb, BUFFER_BACK_LEFT, &backRb->Base); |
| } |
| |
| if (mesaVis->depthBits == 16) { |
| driRenderbuffer *depthRb |
| = driNewRenderbuffer(GL_DEPTH_COMPONENT16, screen->cpp, |
| screen->depthOffset, screen->depthPitch); |
| mach64SetSpanFunctions(depthRb, mesaVis); |
| _mesa_add_renderbuffer(fb, BUFFER_DEPTH, &depthRb->Base); |
| } |
| else if (mesaVis->depthBits == 24) { |
| driRenderbuffer *depthRb |
| = driNewRenderbuffer(GL_DEPTH_COMPONENT24, screen->cpp, |
| screen->depthOffset, screen->depthPitch); |
| mach64SetSpanFunctions(depthRb, mesaVis); |
| _mesa_add_renderbuffer(fb, BUFFER_DEPTH, &depthRb->Base); |
| } |
| |
| _mesa_add_soft_renderbuffers(fb, |
| GL_FALSE, /* color */ |
| GL_FALSE, /* depth */ |
| mesaVis->stencilBits > 0, |
| mesaVis->accumRedBits > 0, |
| GL_FALSE, /* alpha */ |
| GL_FALSE /* aux */); |
| driDrawPriv->driverPrivate = (void *) fb; |
| #endif |
| return (driDrawPriv->driverPrivate != NULL); |
| } |
| } |
| |
| |
| static void |
| mach64DestroyBuffer(__DRIdrawablePrivate *driDrawPriv) |
| { |
| _mesa_destroy_framebuffer((GLframebuffer *) (driDrawPriv->driverPrivate)); |
| } |
| |
| |
| /* Copy the back color buffer to the front color buffer */ |
| static void |
| mach64SwapBuffers(__DRIdrawablePrivate *dPriv) |
| { |
| if (dPriv->driContextPriv && dPriv->driContextPriv->driverPrivate) { |
| mach64ContextPtr mmesa; |
| GLcontext *ctx; |
| mmesa = (mach64ContextPtr) dPriv->driContextPriv->driverPrivate; |
| ctx = mmesa->glCtx; |
| if (ctx->Visual.doubleBufferMode) { |
| _mesa_notifySwapBuffers( ctx ); /* flush pending rendering comands */ |
| mach64CopyBuffer( dPriv ); |
| } |
| } |
| else { |
| /* XXX this shouldn't be an error but we can't handle it for now */ |
| _mesa_problem(NULL, "%s: drawable has no context!", __FUNCTION__); |
| } |
| } |
| |
| |
| /* Initialize the driver specific screen private data. |
| */ |
| static GLboolean |
| mach64InitDriver( __DRIscreenPrivate *driScreen ) |
| { |
| driScreen->private = (void *) mach64CreateScreen( driScreen ); |
| |
| if ( !driScreen->private ) { |
| mach64DestroyScreen( driScreen ); |
| return GL_FALSE; |
| } |
| |
| return GL_TRUE; |
| } |
| |
| |
| static struct __DriverAPIRec mach64API = { |
| .InitDriver = mach64InitDriver, |
| .DestroyScreen = mach64DestroyScreen, |
| .CreateContext = mach64CreateContext, |
| .DestroyContext = mach64DestroyContext, |
| .CreateBuffer = mach64CreateBuffer, |
| .DestroyBuffer = mach64DestroyBuffer, |
| .SwapBuffers = mach64SwapBuffers, |
| .MakeCurrent = mach64MakeCurrent, |
| .UnbindContext = mach64UnbindContext, |
| .GetSwapInfo = NULL, |
| .GetMSC = driGetMSC32, |
| .WaitForMSC = driWaitForMSC32, |
| .WaitForSBC = NULL, |
| .SwapBuffersMSC = NULL |
| }; |
| |
| |
| /* |
| * This is the bootstrap function for the driver. |
| * The __driCreateScreen name is the symbol that libGL.so fetches. |
| * Return: pointer to a __DRIscreenPrivate. |
| */ |
| #if !defined(DRI_NEW_INTERFACE_ONLY) |
| void *__driCreateScreen(Display *dpy, int scrn, __DRIscreen *psc, |
| int numConfigs, __GLXvisualConfig *config) |
| { |
| __DRIscreenPrivate *psp; |
| psp = __driUtilCreateScreen(dpy, scrn, psc, numConfigs, config, &mach64API); |
| return (void *) psp; |
| } |
| #endif /* !defined(DRI_NEW_INTERFACE_ONLY) */ |
| |
| /** |
| * 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 |
| PUBLIC |
| 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 = { 6, 4, 0 }; |
| static const __DRIversion dri_expected = { 4, 0, 0 }; |
| static const __DRIversion drm_expected = { 1, 0, 0 }; |
| |
| if ( ! driCheckDriDdxDrmVersions2( "Mach64", |
| 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, &mach64API); |
| if ( psp != NULL ) { |
| create_context_modes = (PFNGLXCREATECONTEXTMODES) |
| glXGetProcAddress( (const GLubyte *) "__glXCreateContextModes" ); |
| if ( create_context_modes != NULL ) { |
| ATIDRIPtr dri_priv = (ATIDRIPtr) psp->pDevPriv; |
| *driver_modes = mach64FillInModes( dri_priv->cpp * 8, |
| 16, |
| 0, |
| 1); |
| } |
| } |
| |
| return (void *) psp; |
| } |
| #endif /* USE_NEW_INTERFACE */ |