diff options
Diffstat (limited to 'nx-X11/extras/Mesa/src/mesa/drivers/dri/mach64/mach64_screen.c')
| -rw-r--r-- | nx-X11/extras/Mesa/src/mesa/drivers/dri/mach64/mach64_screen.c | 553 |
1 files changed, 553 insertions, 0 deletions
diff --git a/nx-X11/extras/Mesa/src/mesa/drivers/dri/mach64/mach64_screen.c b/nx-X11/extras/Mesa/src/mesa/drivers/dri/mach64/mach64_screen.c new file mode 100644 index 000000000..3403434a5 --- /dev/null +++ b/nx-X11/extras/Mesa/src/mesa/drivers/dri/mach64/mach64_screen.c @@ -0,0 +1,553 @@ +/* $XFree86$ */ /* -*- 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 + 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 + +extern const struct dri_extension card_extensions[]; + +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; +} + + +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 = (*dri_interface->createContextModes)( 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; +} + + +/* Create the device specific screen private data struct. + */ +static mach64ScreenRec * +mach64CreateScreen( __DRIscreenPrivate *sPriv ) +{ + mach64ScreenPtr mach64Screen; + ATIDRIPtr serverInfo = (ATIDRIPtr)sPriv->pDevPriv; + PFNGLXSCRENABLEEXTENSIONPROC glx_enable_extension = + (PFNGLXSCRENABLEEXTENSIONPROC) (*dri_interface->getProcAddress("glxEnableExtension")); + void * const psc = sPriv->psc->screenConfigs; + + 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 (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 ( 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. 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_20050727( __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 = { 6, 4, 0 }; + static const __DRIversion dri_expected = { 4, 0, 0 }; + static const __DRIversion drm_expected = { 1, 0, 0 }; + + dri_interface = interface; + + 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 ) { + ATIDRIPtr dri_priv = (ATIDRIPtr) psp->pDevPriv; + *driver_modes = mach64FillInModes( dri_priv->cpp * 8, + 16, + 0, + 1); + + /* Calling driInitExtensions here, with a NULL context pointer, does not actually + * enable the extensions. It just makes sure that all the dispatch offsets for all + * the extensions that *might* be enables are known. This is needed because the + * dispatch offsets need to be known when _mesa_context_create is called, but we can't + * enable the extensions until we have a context pointer. + * + * Hello chicken. Hello egg. How are you two today? + */ + driInitExtensions( NULL, card_extensions, GL_FALSE ); + } + + return (void *) psp; +} |