diff options
Diffstat (limited to 'nx-X11/extras/Mesa/src/mesa/drivers/dri/r200/r200_screen.c')
| -rw-r--r-- | nx-X11/extras/Mesa/src/mesa/drivers/dri/r200/r200_screen.c | 737 |
1 files changed, 737 insertions, 0 deletions
diff --git a/nx-X11/extras/Mesa/src/mesa/drivers/dri/r200/r200_screen.c b/nx-X11/extras/Mesa/src/mesa/drivers/dri/r200/r200_screen.c new file mode 100644 index 000000000..08e4a3548 --- /dev/null +++ b/nx-X11/extras/Mesa/src/mesa/drivers/dri/r200/r200_screen.c @@ -0,0 +1,737 @@ +/* $XFree86: xc/lib/GL/mesa/src/drv/r200/r200_screen.c,v 1.4 2003/05/08 09:25:35 herrb Exp $ */ +/* +Copyright (C) The Weather Channel, Inc. 2002. All Rights Reserved. + +The Weather Channel (TM) funded Tungsten Graphics to develop the +initial release of the Radeon 8500 driver under the XFree86 license. +This notice must be preserved. + +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 THE COPYRIGHT OWNER(S) 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. + +**************************************************************************/ + +/** + * \file r200_screen.c + * Screen initialization functions for the R200 driver. + * + * \author Keith Whitwell <keith@tungstengraphics.com> + */ + +#include <dlfcn.h> + +#include "glheader.h" +#include "imports.h" +#include "context.h" +#include "framebuffer.h" +#include "renderbuffer.h" + +#define STANDALONE_MMIO +#include "r200_screen.h" +#include "r200_context.h" +#include "r200_ioctl.h" +#include "r200_span.h" +#include "radeon_macros.h" +#include "radeon_reg.h" + +#include "drirenderbuffer.h" +#include "utils.h" +#include "vblank.h" +#include "GL/internal/dri_interface.h" + +/* R200 configuration + */ +#include "xmlpool.h" + +PUBLIC const char __driConfigOptions[] = +DRI_CONF_BEGIN + DRI_CONF_SECTION_PERFORMANCE + DRI_CONF_TCL_MODE(DRI_CONF_TCL_CODEGEN) + DRI_CONF_FTHROTTLE_MODE(DRI_CONF_FTHROTTLE_IRQS) + DRI_CONF_VBLANK_MODE(DRI_CONF_VBLANK_DEF_INTERVAL_0) + DRI_CONF_MAX_TEXTURE_UNITS(4,2,6) + DRI_CONF_HYPERZ(false) + DRI_CONF_SECTION_END + DRI_CONF_SECTION_QUALITY + DRI_CONF_TEXTURE_DEPTH(DRI_CONF_TEXTURE_DEPTH_FB) + DRI_CONF_DEF_MAX_ANISOTROPY(1.0,"1.0,2.0,4.0,8.0,16.0") + DRI_CONF_NO_NEG_LOD_BIAS(false) + DRI_CONF_FORCE_S3TC_ENABLE(false) + DRI_CONF_COLOR_REDUCTION(DRI_CONF_COLOR_REDUCTION_DITHER) + DRI_CONF_ROUND_MODE(DRI_CONF_ROUND_TRUNC) + DRI_CONF_DITHER_MODE(DRI_CONF_DITHER_XERRORDIFF) + DRI_CONF_TEXTURE_LEVEL_HACK(false) + DRI_CONF_TEXTURE_BLEND_QUALITY(1.0,"0.0:1.0") + DRI_CONF_SECTION_END + DRI_CONF_SECTION_DEBUG + DRI_CONF_NO_RAST(false) + DRI_CONF_SECTION_END + DRI_CONF_SECTION_SOFTWARE + DRI_CONF_ARB_VERTEX_PROGRAM(false) + DRI_CONF_NV_VERTEX_PROGRAM(false) + DRI_CONF_SECTION_END +DRI_CONF_END; +static const GLuint __driNConfigOptions = 17; + +extern const struct dri_extension card_extensions[]; +extern const struct dri_extension blend_extensions[]; +extern const struct dri_extension ARB_vp_extension[]; +extern const struct dri_extension NV_vp_extension[]; + +#if 1 +/* Including xf86PciInfo.h introduces a bunch of errors... + */ +#define PCI_CHIP_R200_QD 0x5144 /* why do they have r200 names? */ +#define PCI_CHIP_R200_QE 0x5145 /* Those are all standard radeons */ +#define PCI_CHIP_R200_QF 0x5146 +#define PCI_CHIP_R200_QG 0x5147 +#define PCI_CHIP_R200_QY 0x5159 +#define PCI_CHIP_R200_QZ 0x515A +#define PCI_CHIP_R200_LW 0x4C57 +#define PCI_CHIP_R200_LX 0x4C58 +#define PCI_CHIP_R200_LY 0x4C59 +#define PCI_CHIP_R200_LZ 0x4C5A +#define PCI_CHIP_RV200_QW 0x5157 /* Radeon 7500 - not an R200 at all */ +#define PCI_CHIP_RV200_QX 0x5158 +#define PCI_CHIP_RS100_4136 0x4136 /* IGP RS100, RS200, RS250 are not R200 */ +#define PCI_CHIP_RS200_4137 0x4137 +#define PCI_CHIP_RS250_4237 0x4237 +#define PCI_CHIP_RS100_4336 0x4336 +#define PCI_CHIP_RS200_4337 0x4337 +#define PCI_CHIP_RS250_4437 0x4437 +#define PCI_CHIP_RS300_5834 0x5834 /* All RS300's are R200 */ +#define PCI_CHIP_RS300_5835 0x5835 +#define PCI_CHIP_RS300_5836 0x5836 +#define PCI_CHIP_RS300_5837 0x5837 +#define PCI_CHIP_R200_BB 0x4242 /* r200 (non-derived) start */ +#define PCI_CHIP_R200_BC 0x4243 +#define PCI_CHIP_R200_QH 0x5148 +#define PCI_CHIP_R200_QI 0x5149 +#define PCI_CHIP_R200_QJ 0x514A +#define PCI_CHIP_R200_QK 0x514B +#define PCI_CHIP_R200_QL 0x514C +#define PCI_CHIP_R200_QM 0x514D +#define PCI_CHIP_R200_QN 0x514E +#define PCI_CHIP_R200_QO 0x514F /* r200 (non-derived) end */ +/* are the R200 Qh (0x5168) and following needed too? They are not in + xf86PciInfo.h but in the pci database. Maybe just secondary ports or + something ? Ah well, better be safe than sorry */ +#define PCI_CHIP_R200_Qh 0x5168 +#define PCI_CHIP_R200_Qi 0x5169 +#define PCI_CHIP_R200_Qj 0x516A +#define PCI_CHIP_R200_Qk 0x516B +#define PCI_CHIP_R200_Ql 0x516C + +#endif + + +static r200ScreenPtr __r200Screen; + +static int getSwapInfo( __DRIdrawablePrivate *dPriv, __DRIswapInfo * sInfo ); + +static __GLcontextModes * +r200FillInModes( 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_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; + } + + /* 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 r200ScreenPtr +r200CreateScreen( __DRIscreenPrivate *sPriv ) +{ + r200ScreenPtr screen; + RADEONDRIPtr dri_priv = (RADEONDRIPtr)sPriv->pDevPriv; + unsigned char *RADEONMMIO; + PFNGLXSCRENABLEEXTENSIONPROC glx_enable_extension = + (PFNGLXSCRENABLEEXTENSIONPROC) (*dri_interface->getProcAddress("glxEnableExtension")); + void * const psc = sPriv->psc->screenConfigs; + + if (sPriv->devPrivSize != sizeof(RADEONDRIRec)) { + fprintf(stderr,"\nERROR! sizeof(RADEONDRIRec) does not match passed size from device driver\n"); + return GL_FALSE; + } + + /* Allocate the private area */ + screen = (r200ScreenPtr) CALLOC( sizeof(*screen) ); + if ( !screen ) { + __driUtilMessage("%s: Could not allocate memory for screen structure", + __FUNCTION__); + return NULL; + } + + screen->chipset = 0; + switch ( dri_priv->deviceID ) { + case PCI_CHIP_R200_QD: + case PCI_CHIP_R200_QE: + case PCI_CHIP_R200_QF: + case PCI_CHIP_R200_QG: + case PCI_CHIP_R200_QY: + case PCI_CHIP_R200_QZ: + case PCI_CHIP_RV200_QW: + case PCI_CHIP_RV200_QX: + case PCI_CHIP_R200_LW: + case PCI_CHIP_R200_LX: + case PCI_CHIP_R200_LY: + case PCI_CHIP_R200_LZ: + case PCI_CHIP_RS100_4136: + case PCI_CHIP_RS200_4137: + case PCI_CHIP_RS250_4237: + case PCI_CHIP_RS100_4336: + case PCI_CHIP_RS200_4337: + case PCI_CHIP_RS250_4437: + __driUtilMessage("r200CreateScreen(): Device isn't an r200!\n"); + FREE( screen ); + return NULL; + + case PCI_CHIP_RS300_5834: + case PCI_CHIP_RS300_5835: + case PCI_CHIP_RS300_5836: + case PCI_CHIP_RS300_5837: + break; + + case PCI_CHIP_R200_BB: + case PCI_CHIP_R200_BC: + case PCI_CHIP_R200_QH: + case PCI_CHIP_R200_QI: + case PCI_CHIP_R200_QJ: + case PCI_CHIP_R200_QK: + case PCI_CHIP_R200_QL: + case PCI_CHIP_R200_QM: + case PCI_CHIP_R200_QN: + case PCI_CHIP_R200_QO: + case PCI_CHIP_R200_Qh: + case PCI_CHIP_R200_Qi: + case PCI_CHIP_R200_Qj: + case PCI_CHIP_R200_Qk: + case PCI_CHIP_R200_Ql: + screen->chipset |= R200_CHIPSET_REAL_R200; + /* fallthrough */ + default: + screen->chipset |= R200_CHIPSET_TCL; + break; + } + + /* parse information in __driConfigOptions */ + driParseOptionInfo (&screen->optionCache, + __driConfigOptions, __driNConfigOptions); + + /* This is first since which regions we map depends on whether or + * not we are using a PCI card. + */ + screen->IsPCI = dri_priv->IsPCI; + + { + int ret; + drm_radeon_getparam_t gp; + + gp.param = RADEON_PARAM_GART_BUFFER_OFFSET; + gp.value = &screen->gart_buffer_offset; + + ret = drmCommandWriteRead( sPriv->fd, DRM_RADEON_GETPARAM, + &gp, sizeof(gp)); + if (ret) { + FREE( screen ); + fprintf(stderr, "drmRadeonGetParam (RADEON_PARAM_GART_BUFFER_OFFSET): %d\n", ret); + return NULL; + } + + if (sPriv->drmMinor >= 6) { + gp.param = RADEON_PARAM_GART_BASE; + gp.value = &screen->gart_base; + + ret = drmCommandWriteRead( sPriv->fd, DRM_RADEON_GETPARAM, + &gp, sizeof(gp)); + if (ret) { + FREE( screen ); + fprintf(stderr, "drmR200GetParam (RADEON_PARAM_GART_BASE): %d\n", ret); + return NULL; + } + + + gp.param = RADEON_PARAM_IRQ_NR; + gp.value = &screen->irq; + + ret = drmCommandWriteRead( sPriv->fd, DRM_RADEON_GETPARAM, + &gp, sizeof(gp)); + if (ret) { + FREE( screen ); + fprintf(stderr, "drmRadeonGetParam (RADEON_PARAM_IRQ_NR): %d\n", ret); + return NULL; + } + + /* Check if kernel module is new enough to support cube maps */ + screen->drmSupportsCubeMaps = (sPriv->drmMinor >= 7); + /* Check if kernel module is new enough to support blend color and + separate blend functions/equations */ + screen->drmSupportsBlendColor = (sPriv->drmMinor >= 11); + + screen->drmSupportsTriPerf = (sPriv->drmMinor >= 16); + } + /* Check if ddx has set up a surface reg to cover depth buffer */ + screen->depthHasSurface = (sPriv->ddxMajor > 4); + } + + screen->mmio.handle = dri_priv->registerHandle; + screen->mmio.size = dri_priv->registerSize; + if ( drmMap( sPriv->fd, + screen->mmio.handle, + screen->mmio.size, + &screen->mmio.map ) ) { + FREE( screen ); + __driUtilMessage("%s: drmMap failed\n", __FUNCTION__ ); + return NULL; + } + + RADEONMMIO = screen->mmio.map; + + screen->status.handle = dri_priv->statusHandle; + screen->status.size = dri_priv->statusSize; + if ( drmMap( sPriv->fd, + screen->status.handle, + screen->status.size, + &screen->status.map ) ) { + drmUnmap( screen->mmio.map, screen->mmio.size ); + FREE( screen ); + __driUtilMessage("%s: drmMap (2) failed\n", __FUNCTION__ ); + return NULL; + } + screen->scratch = (__volatile__ u_int32_t *) + ((GLubyte *)screen->status.map + RADEON_SCRATCH_REG_OFFSET); + + screen->buffers = drmMapBufs( sPriv->fd ); + if ( !screen->buffers ) { + drmUnmap( screen->status.map, screen->status.size ); + drmUnmap( screen->mmio.map, screen->mmio.size ); + FREE( screen ); + __driUtilMessage("%s: drmMapBufs failed\n", __FUNCTION__ ); + return NULL; + } + + RADEONMMIO = screen->mmio.map; + + if ( dri_priv->gartTexHandle && dri_priv->gartTexMapSize ) { + + screen->gartTextures.handle = dri_priv->gartTexHandle; + screen->gartTextures.size = dri_priv->gartTexMapSize; + if ( drmMap( sPriv->fd, + screen->gartTextures.handle, + screen->gartTextures.size, + (drmAddressPtr)&screen->gartTextures.map ) ) { + drmUnmapBufs( screen->buffers ); + drmUnmap( screen->status.map, screen->status.size ); + drmUnmap( screen->mmio.map, screen->mmio.size ); + FREE( screen ); + __driUtilMessage("%s: drmMAP failed for GART texture area\n", __FUNCTION__); + return NULL; + } + + screen->gart_texture_offset = dri_priv->gartTexOffset + ( screen->IsPCI + ? INREG( RADEON_AIC_LO_ADDR ) + : ( ( INREG( RADEON_MC_AGP_LOCATION ) & 0x0ffffU ) << 16 ) ); + } + + screen->cpp = dri_priv->bpp / 8; + screen->AGPMode = dri_priv->AGPMode; + + screen->fbLocation = ( INREG( RADEON_MC_FB_LOCATION ) & 0xffff ) << 16; + + if ( sPriv->drmMinor >= 10 ) { + drm_radeon_setparam_t sp; + + sp.param = RADEON_SETPARAM_FB_LOCATION; + sp.value = screen->fbLocation; + + drmCommandWrite( sPriv->fd, DRM_RADEON_SETPARAM, + &sp, sizeof( sp ) ); + } + + screen->frontOffset = dri_priv->frontOffset; + screen->frontPitch = dri_priv->frontPitch; + screen->backOffset = dri_priv->backOffset; + screen->backPitch = dri_priv->backPitch; + screen->depthOffset = dri_priv->depthOffset; + screen->depthPitch = dri_priv->depthPitch; + + if ( dri_priv->textureSize == 0 ) { + screen->texOffset[RADEON_LOCAL_TEX_HEAP] = screen->gart_texture_offset; + screen->texSize[RADEON_GART_TEX_HEAP] = dri_priv->gartTexMapSize; + screen->logTexGranularity[RADEON_GART_TEX_HEAP] = + dri_priv->log2GARTTexGran; + } else { + screen->texOffset[RADEON_LOCAL_TEX_HEAP] = dri_priv->textureOffset + + screen->fbLocation; + screen->texSize[RADEON_LOCAL_TEX_HEAP] = dri_priv->textureSize; + screen->logTexGranularity[RADEON_LOCAL_TEX_HEAP] = + dri_priv->log2TexGran; + } + + if ( !screen->gartTextures.map || dri_priv->textureSize == 0 ) { + screen->numTexHeaps = RADEON_NR_TEX_HEAPS - 1; + screen->texOffset[RADEON_GART_TEX_HEAP] = 0; + screen->texSize[RADEON_GART_TEX_HEAP] = 0; + screen->logTexGranularity[RADEON_GART_TEX_HEAP] = 0; + } else { + screen->numTexHeaps = RADEON_NR_TEX_HEAPS; + screen->texOffset[RADEON_GART_TEX_HEAP] = screen->gart_texture_offset; + screen->texSize[RADEON_GART_TEX_HEAP] = dri_priv->gartTexMapSize; + screen->logTexGranularity[RADEON_GART_TEX_HEAP] = + dri_priv->log2GARTTexGran; + } + + screen->driScreen = sPriv; + screen->sarea_priv_offset = dri_priv->sarea_priv_offset; + + if ( glx_enable_extension != NULL ) { + if ( screen->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" ); + (*glx_enable_extension)( psc, "GLX_MESA_allocate_memory" ); + } + + sPriv->psc->allocateMemory = (void *) r200AllocateMemoryMESA; + sPriv->psc->freeMemory = (void *) r200FreeMemoryMESA; + sPriv->psc->memoryOffset = (void *) r200GetMemoryOffsetMESA; + + return screen; +} + +/* Destroy the device specific screen private data struct. + */ +static void +r200DestroyScreen( __DRIscreenPrivate *sPriv ) +{ + r200ScreenPtr screen = (r200ScreenPtr)sPriv->private; + + if (!screen) + return; + + if ( screen->gartTextures.map ) { + drmUnmap( screen->gartTextures.map, screen->gartTextures.size ); + } + drmUnmapBufs( screen->buffers ); + drmUnmap( screen->status.map, screen->status.size ); + drmUnmap( screen->mmio.map, screen->mmio.size ); + + /* free all option information */ + driDestroyOptionInfo (&screen->optionCache); + + FREE( screen ); + sPriv->private = NULL; +} + + +/* Initialize the driver specific screen private data. + */ +static GLboolean +r200InitDriver( __DRIscreenPrivate *sPriv ) +{ + __r200Screen = r200CreateScreen( sPriv ); + + sPriv->private = (void *) __r200Screen; + + return sPriv->private ? GL_TRUE : GL_FALSE; +} + + +/** + * Create and initialize the Mesa and driver specific pixmap buffer + * data. This is called to setup rendering to a particular window. + * + * \todo This function (and its interface) will need to be updated to support + * pbuffers. + */ +static GLboolean +r200CreateBuffer( __DRIscreenPrivate *driScrnPriv, + __DRIdrawablePrivate *driDrawPriv, + const __GLcontextModes *mesaVis, + GLboolean isPixmap ) +{ + r200ScreenPtr screen = (r200ScreenPtr) 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; +#if 0 + driDrawPriv->driverPrivate = (void *) + _mesa_create_framebuffer( mesaVis, + swDepth, + swStencil, + swAccum, + swAlpha ); +#else + struct gl_framebuffer *fb = _mesa_create_framebuffer(mesaVis); + + { + driRenderbuffer *frontRb + = driNewRenderbuffer(GL_RGBA, screen->cpp, + screen->frontOffset, screen->frontPitch); + r200SetSpanFunctions(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); + r200SetSpanFunctions(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); + r200SetSpanFunctions(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); + r200SetSpanFunctions(depthRb, mesaVis); + _mesa_add_renderbuffer(fb, BUFFER_DEPTH, &depthRb->Base); + } + + if (mesaVis->stencilBits > 0 && !swStencil) { + driRenderbuffer *stencilRb + = driNewRenderbuffer(GL_STENCIL_INDEX8_EXT, screen->cpp, + screen->depthOffset, screen->depthPitch); + r200SetSpanFunctions(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; +#endif + return (driDrawPriv->driverPrivate != NULL); + } +} + + +static void +r200DestroyBuffer(__DRIdrawablePrivate *driDrawPriv) +{ + _mesa_destroy_framebuffer((GLframebuffer *) (driDrawPriv->driverPrivate)); +} + + + + +static const struct __DriverAPIRec r200API = { + .InitDriver = r200InitDriver, + .DestroyScreen = r200DestroyScreen, + .CreateContext = r200CreateContext, + .DestroyContext = r200DestroyContext, + .CreateBuffer = r200CreateBuffer, + .DestroyBuffer = r200DestroyBuffer, + .SwapBuffers = r200SwapBuffers, + .MakeCurrent = r200MakeCurrent, + .UnbindContext = r200UnbindContext, + .GetSwapInfo = getSwapInfo, + .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 __DRIutilversion2 ddx_expected = { 4, 5, 0, 0 }; + static const __DRIversion dri_expected = { 4, 0, 0 }; + static const __DRIversion drm_expected = { 1, 5, 0 }; + + dri_interface = interface; + + if ( ! driCheckDriDdxDrmVersions3( "R200", + 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, &r200API); + if ( psp != NULL ) { + RADEONDRIPtr dri_priv = (RADEONDRIPtr) psp->pDevPriv; + *driver_modes = r200FillInModes( 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 ); + driInitExtensions( NULL, blend_extensions, GL_FALSE ); + driInitSingleExtension( NULL, ARB_vp_extension ); + driInitSingleExtension( NULL, NV_vp_extension ); + } + + return (void *) psp; +} + + +/** + * Get information about previous buffer swaps. + */ +static int +getSwapInfo( __DRIdrawablePrivate *dPriv, __DRIswapInfo * sInfo ) +{ + r200ContextPtr rmesa; + + if ( (dPriv == NULL) || (dPriv->driContextPriv == NULL) + || (dPriv->driContextPriv->driverPrivate == NULL) + || (sInfo == NULL) ) { + return -1; + } + + rmesa = (r200ContextPtr) dPriv->driContextPriv->driverPrivate; + sInfo->swap_count = rmesa->swap_count; + sInfo->swap_ust = rmesa->swap_ust; + sInfo->swap_missed_count = rmesa->swap_missed_count; + + sInfo->swap_missed_usage = (sInfo->swap_missed_count != 0) + ? driCalculateSwapUsage( dPriv, 0, rmesa->swap_missed_ust ) + : 0.0; + + return 0; +} |