diff options
Diffstat (limited to 'src/r128_screen.c')
| -rw-r--r-- | src/r128_screen.c | 567 |
1 files changed, 567 insertions, 0 deletions
diff --git a/src/r128_screen.c b/src/r128_screen.c new file mode 100644 index 0000000..880dee8 --- /dev/null +++ b/src/r128_screen.c @@ -0,0 +1,567 @@ +/* $XFree86: xc/lib/GL/mesa/src/drv/r128/r128_screen.c,v 1.9 2003/03/26 20:43:49 tsi Exp $ */ +/************************************************************************** + +Copyright 1999, 2000 ATI Technologies Inc. and Precision Insight, Inc., + Cedar Park, Texas. +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 +on 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 +ATI, PRECISION INSIGHT AND/OR THEIR 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. + +**************************************************************************/ + +/* + * Authors: + * Gareth Hughes <gareth@valinux.com> + * Kevin E. Martin <martin@valinux.com> + * + */ + +#include "r128_dri.h" + +#include "r128_context.h" +#include "r128_ioctl.h" +#include "r128_span.h" +#include "r128_tris.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" + +/* R128 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_QUALITY + DRI_CONF_TEXTURE_DEPTH(DRI_CONF_TEXTURE_DEPTH_FB) + 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 = 4; +#else +static const GLuint __driNConfigOptions = 3; +#endif + +extern const struct dri_extension card_extensions[]; + +#if 1 +/* Including xf86PciInfo.h introduces a bunch of errors... + */ +#define PCI_CHIP_RAGE128LE 0x4C45 +#define PCI_CHIP_RAGE128LF 0x4C46 +#define PCI_CHIP_RAGE128PF 0x5046 +#define PCI_CHIP_RAGE128PR 0x5052 +#define PCI_CHIP_RAGE128RE 0x5245 +#define PCI_CHIP_RAGE128RF 0x5246 +#define PCI_CHIP_RAGE128RK 0x524B +#define PCI_CHIP_RAGE128RL 0x524C +#endif + + +/* Create the device specific screen private data struct. + */ +static r128ScreenPtr +r128CreateScreen( __DRIscreenPrivate *sPriv ) +{ + r128ScreenPtr r128Screen; + R128DRIPtr r128DRIPriv = (R128DRIPtr)sPriv->pDevPriv; + PFNGLXSCRENABLEEXTENSIONPROC glx_enable_extension = + (PFNGLXSCRENABLEEXTENSIONPROC) (*dri_interface->getProcAddress("glxEnableExtension")); + void * const psc = sPriv->psc->screenConfigs; + + if (sPriv->devPrivSize != sizeof(R128DRIRec)) { + fprintf(stderr,"\nERROR! sizeof(R128DRIRec) does not match passed size from device driver\n"); + return GL_FALSE; + } + + /* Allocate the private area */ + r128Screen = (r128ScreenPtr) CALLOC( sizeof(*r128Screen) ); + if ( !r128Screen ) return NULL; + + /* parse information in __driConfigOptions */ + driParseOptionInfo (&r128Screen->optionCache, + __driConfigOptions, __driNConfigOptions); + + /* This is first since which regions we map depends on whether or + * not we are using a PCI card. + */ + r128Screen->IsPCI = r128DRIPriv->IsPCI; + r128Screen->sarea_priv_offset = r128DRIPriv->sarea_priv_offset; + + if (sPriv->drmMinor >= 3) { + drm_r128_getparam_t gp; + int ret; + + gp.param = R128_PARAM_IRQ_NR; + gp.value = &r128Screen->irq; + + ret = drmCommandWriteRead( sPriv->fd, DRM_R128_GETPARAM, + &gp, sizeof(gp)); + if (ret) { + fprintf(stderr, "drmR128GetParam (R128_PARAM_IRQ_NR): %d\n", ret); + FREE( r128Screen ); + return NULL; + } + } + + r128Screen->mmio.handle = r128DRIPriv->registerHandle; + r128Screen->mmio.size = r128DRIPriv->registerSize; + if ( drmMap( sPriv->fd, + r128Screen->mmio.handle, + r128Screen->mmio.size, + (drmAddressPtr)&r128Screen->mmio.map ) ) { + FREE( r128Screen ); + return NULL; + } + + r128Screen->buffers = drmMapBufs( sPriv->fd ); + if ( !r128Screen->buffers ) { + drmUnmap( (drmAddress)r128Screen->mmio.map, r128Screen->mmio.size ); + FREE( r128Screen ); + return NULL; + } + + if ( !r128Screen->IsPCI ) { + r128Screen->agpTextures.handle = r128DRIPriv->agpTexHandle; + r128Screen->agpTextures.size = r128DRIPriv->agpTexMapSize; + if ( drmMap( sPriv->fd, + r128Screen->agpTextures.handle, + r128Screen->agpTextures.size, + (drmAddressPtr)&r128Screen->agpTextures.map ) ) { + drmUnmapBufs( r128Screen->buffers ); + drmUnmap( (drmAddress)r128Screen->mmio.map, r128Screen->mmio.size ); + FREE( r128Screen ); + return NULL; + } + } + + switch ( r128DRIPriv->deviceID ) { + case PCI_CHIP_RAGE128RE: + case PCI_CHIP_RAGE128RF: + case PCI_CHIP_RAGE128RK: + case PCI_CHIP_RAGE128RL: + r128Screen->chipset = R128_CARD_TYPE_R128; + break; + case PCI_CHIP_RAGE128PF: + r128Screen->chipset = R128_CARD_TYPE_R128_PRO; + break; + case PCI_CHIP_RAGE128LE: + case PCI_CHIP_RAGE128LF: + r128Screen->chipset = R128_CARD_TYPE_R128_MOBILITY; + break; + default: + r128Screen->chipset = R128_CARD_TYPE_R128; + break; + } + + r128Screen->cpp = r128DRIPriv->bpp / 8; + r128Screen->AGPMode = r128DRIPriv->AGPMode; + + r128Screen->frontOffset = r128DRIPriv->frontOffset; + r128Screen->frontPitch = r128DRIPriv->frontPitch; + r128Screen->backOffset = r128DRIPriv->backOffset; + r128Screen->backPitch = r128DRIPriv->backPitch; + r128Screen->depthOffset = r128DRIPriv->depthOffset; + r128Screen->depthPitch = r128DRIPriv->depthPitch; + r128Screen->spanOffset = r128DRIPriv->spanOffset; + + if ( r128DRIPriv->textureSize == 0 ) { + r128Screen->texOffset[R128_LOCAL_TEX_HEAP] = + r128DRIPriv->agpTexOffset + R128_AGP_TEX_OFFSET; + r128Screen->texSize[R128_LOCAL_TEX_HEAP] = r128DRIPriv->agpTexMapSize; + r128Screen->logTexGranularity[R128_LOCAL_TEX_HEAP] = + r128DRIPriv->log2AGPTexGran; + } else { + r128Screen->texOffset[R128_LOCAL_TEX_HEAP] = r128DRIPriv->textureOffset; + r128Screen->texSize[R128_LOCAL_TEX_HEAP] = r128DRIPriv->textureSize; + r128Screen->logTexGranularity[R128_LOCAL_TEX_HEAP] = r128DRIPriv->log2TexGran; + } + + if ( !r128Screen->agpTextures.map || r128DRIPriv->textureSize == 0 ) { + r128Screen->numTexHeaps = R128_NR_TEX_HEAPS - 1; + r128Screen->texOffset[R128_AGP_TEX_HEAP] = 0; + r128Screen->texSize[R128_AGP_TEX_HEAP] = 0; + r128Screen->logTexGranularity[R128_AGP_TEX_HEAP] = 0; + } else { + r128Screen->numTexHeaps = R128_NR_TEX_HEAPS; + r128Screen->texOffset[R128_AGP_TEX_HEAP] = + r128DRIPriv->agpTexOffset + R128_AGP_TEX_OFFSET; + r128Screen->texSize[R128_AGP_TEX_HEAP] = r128DRIPriv->agpTexMapSize; + r128Screen->logTexGranularity[R128_AGP_TEX_HEAP] = + r128DRIPriv->log2AGPTexGran; + } + + r128Screen->driScreen = sPriv; + + if ( glx_enable_extension != NULL ) { + if ( r128Screen->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 r128Screen; +} + +/* Destroy the device specific screen private data struct. + */ +static void +r128DestroyScreen( __DRIscreenPrivate *sPriv ) +{ + r128ScreenPtr r128Screen = (r128ScreenPtr)sPriv->private; + + if ( !r128Screen ) + return; + + if ( !r128Screen->IsPCI ) { + drmUnmap( (drmAddress)r128Screen->agpTextures.map, + r128Screen->agpTextures.size ); + } + drmUnmapBufs( r128Screen->buffers ); + drmUnmap( (drmAddress)r128Screen->mmio.map, r128Screen->mmio.size ); + + /* free all option information */ + driDestroyOptionInfo (&r128Screen->optionCache); + + FREE( r128Screen ); + sPriv->private = NULL; +} + + +/* Create and initialize the Mesa and driver specific pixmap buffer + * data. + */ +static GLboolean +r128CreateBuffer( __DRIscreenPrivate *driScrnPriv, + __DRIdrawablePrivate *driDrawPriv, + const __GLcontextModes *mesaVis, + GLboolean isPixmap ) +{ + r128ScreenPtr screen = (r128ScreenPtr) driScrnPriv->private; + + if (isPixmap) { + return GL_FALSE; /* not implemented */ + } + else { + const GLboolean swDepth = GL_FALSE; + const GLboolean swAlpha = GL_FALSE; + const GLboolean swAccum = mesaVis->accumRedBits > 0; + const GLboolean swStencil = mesaVis->stencilBits > 0 && + mesaVis->depthBits != 24; + struct gl_framebuffer *fb = _mesa_create_framebuffer(mesaVis); + + { + driRenderbuffer *frontRb + = driNewRenderbuffer(GL_RGBA, + NULL, + screen->cpp, + screen->frontOffset, screen->frontPitch, + driDrawPriv); + r128SetSpanFunctions(frontRb, mesaVis); + _mesa_add_renderbuffer(fb, BUFFER_FRONT_LEFT, &frontRb->Base); + } + + if (mesaVis->doubleBufferMode) { + driRenderbuffer *backRb + = driNewRenderbuffer(GL_RGBA, + NULL, + screen->cpp, + screen->backOffset, screen->backPitch, + driDrawPriv); + r128SetSpanFunctions(backRb, mesaVis); + _mesa_add_renderbuffer(fb, BUFFER_BACK_LEFT, &backRb->Base); + } + + if (mesaVis->depthBits == 16) { + driRenderbuffer *depthRb + = driNewRenderbuffer(GL_DEPTH_COMPONENT16, + NULL, + screen->cpp, + screen->depthOffset, screen->depthPitch, + driDrawPriv); + r128SetSpanFunctions(depthRb, mesaVis); + _mesa_add_renderbuffer(fb, BUFFER_DEPTH, &depthRb->Base); + } + else if (mesaVis->depthBits == 24) { + driRenderbuffer *depthRb + = driNewRenderbuffer(GL_DEPTH_COMPONENT24, + NULL, + screen->cpp, + screen->depthOffset, screen->depthPitch, + driDrawPriv); + r128SetSpanFunctions(depthRb, mesaVis); + _mesa_add_renderbuffer(fb, BUFFER_DEPTH, &depthRb->Base); + } + + if (mesaVis->stencilBits > 0 && !swStencil) { + driRenderbuffer *stencilRb + = driNewRenderbuffer(GL_STENCIL_INDEX8_EXT, + NULL, + screen->cpp, + screen->depthOffset, screen->depthPitch, + driDrawPriv); + r128SetSpanFunctions(stencilRb, mesaVis); + _mesa_add_renderbuffer(fb, BUFFER_STENCIL, &stencilRb->Base); + } + + _mesa_add_soft_renderbuffers(fb, + GL_FALSE, /* color */ + swDepth, + swStencil, + swAccum, + swAlpha, + GL_FALSE /* aux */); + driDrawPriv->driverPrivate = (void *) fb; + + return (driDrawPriv->driverPrivate != NULL); + } +} + + +static void +r128DestroyBuffer(__DRIdrawablePrivate *driDrawPriv) +{ + _mesa_unreference_framebuffer((GLframebuffer **)(&(driDrawPriv->driverPrivate))); +} + + +/* Copy the back color buffer to the front color buffer */ +static void +r128SwapBuffers(__DRIdrawablePrivate *dPriv) +{ + if (dPriv->driContextPriv && dPriv->driContextPriv->driverPrivate) { + r128ContextPtr rmesa; + GLcontext *ctx; + rmesa = (r128ContextPtr) dPriv->driContextPriv->driverPrivate; + ctx = rmesa->glCtx; + if (ctx->Visual.doubleBufferMode) { + _mesa_notifySwapBuffers( ctx ); /* flush pending rendering comands */ + if ( rmesa->doPageFlip ) { + r128PageFlip( dPriv ); + } + else { + r128CopyBuffer( 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 +r128InitDriver( __DRIscreenPrivate *sPriv ) +{ + sPriv->private = (void *) r128CreateScreen( sPriv ); + + if ( !sPriv->private ) { + r128DestroyScreen( sPriv ); + return GL_FALSE; + } + + return GL_TRUE; +} + + +static struct __DriverAPIRec r128API = { + .InitDriver = r128InitDriver, + .DestroyScreen = r128DestroyScreen, + .CreateContext = r128CreateContext, + .DestroyContext = r128DestroyContext, + .CreateBuffer = r128CreateBuffer, + .DestroyBuffer = r128DestroyBuffer, + .SwapBuffers = r128SwapBuffers, + .MakeCurrent = r128MakeCurrent, + .UnbindContext = r128UnbindContext, + .GetSwapInfo = NULL, + .GetMSC = driGetMSC32, + .WaitForMSC = driWaitForMSC32, + .WaitForSBC = NULL, + .SwapBuffersMSC = NULL + +}; + + +static __GLcontextModes * +r128FillInModes( 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. + */ + static const GLenum back_buffer_modes[] = { + GLX_NONE, GLX_SWAP_UNDEFINED_OML /*, GLX_SWAP_COPY_OML */ + }; + + u_int8_t depth_bits_array[2]; + u_int8_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 = (*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; + } + + /* 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. + */ +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 = { 4, 0, 0 }; + static const __DRIversion dri_expected = { 4, 0, 0 }; + static const __DRIversion drm_expected = { 2, 2, 0 }; + + + dri_interface = interface; + + if ( ! driCheckDriDdxDrmVersions2( "Rage128", + 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, &r128API); + if ( psp != NULL ) { + R128DRIPtr dri_priv = (R128DRIPtr) psp->pDevPriv; + *driver_modes = r128FillInModes( dri_priv->bpp, + (dri_priv->bpp == 16) ? 16 : 24, + (dri_priv->bpp == 16) ? 0 : 8, + (dri_priv->backOffset != dri_priv->depthOffset) ); + + /* 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; +} |