| /* -*- 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_span.h" |
| |
| #include "main/context.h" |
| #include "main/imports.h" |
| #include "main/framebuffer.h" |
| #include "main/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 |
| DRI_CONF_SECTION_DEBUG |
| DRI_CONF_NO_RAST(false) |
| #if ENABLE_PERF_BOXES |
| DRI_CONF_PERFORMANCE_BOXES(false) |
| #endif |
| DRI_CONF_SECTION_END |
| DRI_CONF_END; |
| #if ENABLE_PERF_BOXES |
| static const GLuint __driNConfigOptions = 3; |
| #else |
| static const GLuint __driNConfigOptions = 2; |
| #endif |
| |
| static const __DRIconfig ** |
| mach64FillInModes( __DRIscreen *psp, |
| unsigned pixel_bits, unsigned depth_bits, |
| unsigned stencil_bits, GLboolean have_back_buffer ) |
| { |
| __DRIconfig **configs; |
| __GLcontextModes * m; |
| GLenum fb_format; |
| GLenum fb_type; |
| 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 */ |
| }; |
| |
| uint8_t depth_bits_array[2]; |
| uint8_t stencil_bits_array[2]; |
| uint8_t msaa_samples_array[1]; |
| |
| 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; |
| |
| msaa_samples_array[0] = 0; |
| |
| depth_buffer_factor = ((depth_bits != 0) || (stencil_bits != 0)) ? 2 : 1; |
| back_buffer_factor = (have_back_buffer) ? 2 : 1; |
| |
| 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; |
| } |
| |
| configs = driCreateConfigs(fb_format, fb_type, |
| depth_bits_array, stencil_bits_array, |
| depth_buffer_factor, back_buffer_modes, |
| back_buffer_factor, |
| msaa_samples_array, 1, TRUE); |
| if (configs == NULL) { |
| fprintf(stderr, "[%s:%u] Error creating FBConfig!\n", |
| __func__, __LINE__); |
| return NULL; |
| } |
| |
| /* Mark the visual as slow if there are "fake" stencil bits. |
| */ |
| for (i = 0; configs[i]; i++) { |
| m = &configs[i]->modes; |
| if ((m->stencilBits != 0) && (m->stencilBits != stencil_bits)) { |
| m->visualRating = GLX_SLOW_CONFIG; |
| } |
| } |
| |
| return (const __DRIconfig **) configs; |
| } |
| |
| |
| /* Create the device specific screen private data struct. |
| */ |
| static mach64ScreenRec * |
| mach64CreateScreen( __DRIscreen *sPriv ) |
| { |
| mach64ScreenPtr mach64Screen; |
| ATIDRIPtr serverInfo = (ATIDRIPtr)sPriv->pDevPriv; |
| int i; |
| |
| if (sPriv->devPrivSize != sizeof(ATIDRIRec)) { |
| fprintf(stderr,"\nERROR! sizeof(ATIDRIRec) does not match passed size from device driver\n"); |
| return GL_FALSE; |
| } |
| |
| 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 (serverInfo->textureSize > 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; |
| |
| i = 0; |
| mach64Screen->extensions[i++] = &driFrameTrackingExtension.base; |
| if ( mach64Screen->irq != 0 ) { |
| mach64Screen->extensions[i++] = &driSwapControlExtension.base; |
| mach64Screen->extensions[i++] = &driMediaStreamCounterExtension.base; |
| } |
| mach64Screen->extensions[i++] = NULL; |
| sPriv->extensions = mach64Screen->extensions; |
| |
| return mach64Screen; |
| } |
| |
| /* Destroy the device specific screen private data struct. |
| */ |
| static void |
| mach64DestroyScreen( __DRIscreen *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( __DRIscreen *driScrnPriv, |
| __DRIdrawable *driDrawPriv, |
| const __GLcontextModes *mesaVis, |
| GLboolean isPixmap ) |
| { |
| mach64ScreenPtr screen = (mach64ScreenPtr) driScrnPriv->private; |
| |
| if (isPixmap) { |
| return GL_FALSE; /* not implemented */ |
| } |
| else { |
| struct gl_framebuffer *fb = _mesa_create_framebuffer(mesaVis); |
| |
| { |
| driRenderbuffer *frontRb |
| = driNewRenderbuffer(MESA_FORMAT_ARGB8888, |
| NULL, |
| screen->cpp, |
| screen->frontOffset, screen->frontPitch, |
| driDrawPriv); |
| mach64SetSpanFunctions(frontRb, mesaVis); |
| _mesa_add_renderbuffer(fb, BUFFER_FRONT_LEFT, &frontRb->Base); |
| } |
| |
| if (mesaVis->doubleBufferMode) { |
| driRenderbuffer *backRb |
| = driNewRenderbuffer(MESA_FORMAT_ARGB8888, |
| NULL, |
| screen->cpp, |
| screen->backOffset, screen->backPitch, |
| driDrawPriv); |
| mach64SetSpanFunctions(backRb, mesaVis); |
| _mesa_add_renderbuffer(fb, BUFFER_BACK_LEFT, &backRb->Base); |
| } |
| |
| if (mesaVis->depthBits == 16) { |
| driRenderbuffer *depthRb |
| = driNewRenderbuffer(MESA_FORMAT_Z16, |
| NULL, screen->cpp, |
| screen->depthOffset, screen->depthPitch, |
| driDrawPriv); |
| mach64SetSpanFunctions(depthRb, mesaVis); |
| _mesa_add_renderbuffer(fb, BUFFER_DEPTH, &depthRb->Base); |
| } |
| else if (mesaVis->depthBits == 24) { |
| /* XXX I don't think 24-bit Z is supported - so this isn't used */ |
| driRenderbuffer *depthRb |
| = driNewRenderbuffer(MESA_FORMAT_Z24_S8, |
| NULL, |
| screen->cpp, |
| screen->depthOffset, screen->depthPitch, |
| driDrawPriv); |
| 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; |
| |
| return (driDrawPriv->driverPrivate != NULL); |
| } |
| } |
| |
| |
| static void |
| mach64DestroyBuffer(__DRIdrawable *driDrawPriv) |
| { |
| _mesa_reference_framebuffer((GLframebuffer **)(&(driDrawPriv->driverPrivate)), NULL); |
| } |
| |
| |
| /* Copy the back color buffer to the front color buffer */ |
| static void |
| mach64SwapBuffers(__DRIdrawable *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( __DRIscreen *driScreen ) |
| { |
| driScreen->private = (void *) mach64CreateScreen( driScreen ); |
| |
| if ( !driScreen->private ) { |
| mach64DestroyScreen( driScreen ); |
| return GL_FALSE; |
| } |
| |
| return GL_TRUE; |
| } |
| |
| /** |
| * This is the driver specific part of the createNewScreen entry point. |
| * |
| * \todo maybe fold this into intelInitDriver |
| * |
| * \return the __GLcontextModes supported by this driver |
| */ |
| static const __DRIconfig ** |
| mach64InitScreen(__DRIscreen *psp) |
| { |
| static const __DRIversion ddx_expected = { 6, 4, 0 }; |
| static const __DRIversion dri_expected = { 4, 0, 0 }; |
| static const __DRIversion drm_expected = { 2, 0, 0 }; |
| ATIDRIPtr dri_priv = (ATIDRIPtr) psp->pDevPriv; |
| |
| if ( ! driCheckDriDdxDrmVersions2( "Mach64", |
| &psp->dri_version, & dri_expected, |
| &psp->ddx_version, & ddx_expected, |
| &psp->drm_version, & drm_expected ) ) { |
| return NULL; |
| } |
| |
| if (!mach64InitDriver(psp)) |
| return NULL; |
| |
| return mach64FillInModes( psp, dri_priv->cpp * 8, 16, 0, 1); |
| } |
| |
| const struct __DriverAPIRec driDriverAPI = { |
| .InitScreen = mach64InitScreen, |
| .DestroyScreen = mach64DestroyScreen, |
| .CreateContext = mach64CreateContext, |
| .DestroyContext = mach64DestroyContext, |
| .CreateBuffer = mach64CreateBuffer, |
| .DestroyBuffer = mach64DestroyBuffer, |
| .SwapBuffers = mach64SwapBuffers, |
| .MakeCurrent = mach64MakeCurrent, |
| .UnbindContext = mach64UnbindContext, |
| .GetSwapInfo = NULL, |
| .GetDrawableMSC = driDrawableGetMSC32, |
| .WaitForMSC = driWaitForMSC32, |
| .WaitForSBC = NULL, |
| .SwapBuffersMSC = NULL |
| }; |
| |
| /* This is the table of extensions that the loader will dlsym() for. */ |
| PUBLIC const __DRIextension *__driDriverExtensions[] = { |
| &driCoreExtension.base, |
| &driLegacyExtension.base, |
| NULL |
| }; |