diff options
Diffstat (limited to 'nx-X11/extras/Mesa/src/mesa/drivers/dri/sis/sis_screen.c')
-rw-r--r-- | nx-X11/extras/Mesa/src/mesa/drivers/dri/sis/sis_screen.c | 468 |
1 files changed, 468 insertions, 0 deletions
diff --git a/nx-X11/extras/Mesa/src/mesa/drivers/dri/sis/sis_screen.c b/nx-X11/extras/Mesa/src/mesa/drivers/dri/sis/sis_screen.c new file mode 100644 index 000000000..cc6afda1f --- /dev/null +++ b/nx-X11/extras/Mesa/src/mesa/drivers/dri/sis/sis_screen.c @@ -0,0 +1,468 @@ +/* $XFree86$ */ +/************************************************************************** + +Copyright 2003 Eric Anholt +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 +ERIC ANHOLT 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: + * Eric Anholt <anholt@FreeBSD.org> + */ + +#include "dri_util.h" + +#include "context.h" +#include "utils.h" +#include "imports.h" +#include "framebuffer.h" +#include "renderbuffer.h" + +#include "sis_context.h" +#include "sis_dri.h" +#include "sis_lock.h" +#include "sis_span.h" + +#include "xmlpool.h" + +#include "GL/internal/dri_interface.h" + +PUBLIC const char __driConfigOptions[] = +DRI_CONF_BEGIN + DRI_CONF_SECTION_DEBUG + DRI_CONF_OPT_BEGIN(agp_disable,bool,false) + DRI_CONF_DESC(en,"Disable AGP vertex dispatch") + DRI_CONF_OPT_END + DRI_CONF_OPT_BEGIN(fallback_force,bool,false) + DRI_CONF_DESC(en,"Force software fallback") + DRI_CONF_OPT_END + DRI_CONF_SECTION_END +DRI_CONF_END; +static const GLuint __driNConfigOptions = 2; + +extern const struct dri_extension card_extensions[]; + +static __GLcontextModes * +sisFillInModes(int bpp) +{ + __GLcontextModes *modes; + __GLcontextModes *m; + unsigned num_modes; + unsigned depth_buffer_factor; + unsigned back_buffer_factor; + GLenum fb_format; + GLenum fb_type; + static const GLenum back_buffer_modes[] = { + GLX_NONE, GLX_SWAP_UNDEFINED_OML + }; + u_int8_t depth_bits_array[4]; + u_int8_t stencil_bits_array[4]; + + depth_bits_array[0] = 0; + stencil_bits_array[0] = 0; + depth_bits_array[1] = 16; + stencil_bits_array[1] = 0; + depth_bits_array[2] = 24; + stencil_bits_array[2] = 8; + depth_bits_array[3] = 32; + stencil_bits_array[3] = 0; + + depth_buffer_factor = 4; + back_buffer_factor = 2; + + /* Last 4 is for GLX_TRUE_COLOR & GLX_DIRECT_COLOR, with/without accum */ + num_modes = depth_buffer_factor * back_buffer_factor * 4; + + if (bpp == 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; + } + + return modes; +} + + +/* Create the device specific screen private data struct. + */ +static sisScreenPtr +sisCreateScreen( __DRIscreenPrivate *sPriv ) +{ + sisScreenPtr sisScreen; + SISDRIPtr sisDRIPriv = (SISDRIPtr)sPriv->pDevPriv; + + if (sPriv->devPrivSize != sizeof(SISDRIRec)) { + fprintf(stderr,"\nERROR! sizeof(SISDRIRec) does not match passed size from device driver\n"); + return GL_FALSE; + } + + /* Allocate the private area */ + sisScreen = (sisScreenPtr)CALLOC( sizeof(*sisScreen) ); + if ( sisScreen == NULL ) + return NULL; + + sisScreen->screenX = sisDRIPriv->width; + sisScreen->screenY = sisDRIPriv->height; + sisScreen->cpp = sisDRIPriv->bytesPerPixel; + sisScreen->irqEnabled = sisDRIPriv->bytesPerPixel; + sisScreen->deviceID = sisDRIPriv->deviceID; + sisScreen->AGPCmdBufOffset = sisDRIPriv->AGPCmdBufOffset; + sisScreen->AGPCmdBufSize = sisDRIPriv->AGPCmdBufSize; + sisScreen->sarea_priv_offset = sizeof(drm_sarea_t); + + sisScreen->mmio.handle = sisDRIPriv->regs.handle; + sisScreen->mmio.size = sisDRIPriv->regs.size; + if ( drmMap( sPriv->fd, sisScreen->mmio.handle, sisScreen->mmio.size, + &sisScreen->mmio.map ) ) + { + FREE( sisScreen ); + return NULL; + } + + if (sisDRIPriv->agp.size) { + sisScreen->agp.handle = sisDRIPriv->agp.handle; + sisScreen->agp.size = sisDRIPriv->agp.size; + if ( drmMap( sPriv->fd, sisScreen->agp.handle, sisScreen->agp.size, + &sisScreen->agp.map ) ) + { + sisScreen->agp.size = 0; + } + } + + sisScreen->driScreen = sPriv; + + /* parse information in __driConfigOptions */ + driParseOptionInfo(&sisScreen->optionCache, + __driConfigOptions, __driNConfigOptions); + + return sisScreen; +} + +/* Destroy the device specific screen private data struct. + */ +static void +sisDestroyScreen( __DRIscreenPrivate *sPriv ) +{ + sisScreenPtr sisScreen = (sisScreenPtr)sPriv->private; + + if ( sisScreen == NULL ) + return; + + if (sisScreen->agp.size != 0) + drmUnmap( sisScreen->agp.map, sisScreen->agp.size ); + drmUnmap( sisScreen->mmio.map, sisScreen->mmio.size ); + + FREE( sisScreen ); + sPriv->private = NULL; +} + + +/* Create and initialize the Mesa and driver specific pixmap buffer + * data. + */ +static GLboolean +sisCreateBuffer( __DRIscreenPrivate *driScrnPriv, + __DRIdrawablePrivate *driDrawPriv, + const __GLcontextModes *mesaVis, + GLboolean isPixmap ) +{ + sisScreenPtr screen = (sisScreenPtr) driScrnPriv->private; + struct gl_framebuffer *fb; + + if (isPixmap) + return GL_FALSE; /* not implemented */ + +#if 0 + driDrawPriv->driverPrivate = (void *)_mesa_create_framebuffer( + mesaVis, + GL_FALSE, /* software depth buffer? */ + mesaVis->stencilBits > 0, + mesaVis->accumRedBits > 0, + mesaVis->alphaBits > 0 ); /* XXX */ +#else + fb = _mesa_create_framebuffer(mesaVis); + + /* XXX double-check the Offset/Pitch parameters! */ + { + driRenderbuffer *frontRb + = driNewRenderbuffer(GL_RGBA, screen->cpp, + 0, driScrnPriv->fbStride); + sisSetSpanFunctions(frontRb, mesaVis); + _mesa_add_renderbuffer(fb, BUFFER_FRONT_LEFT, &frontRb->Base); + } + + if (mesaVis->doubleBufferMode) { + driRenderbuffer *backRb + = driNewRenderbuffer(GL_RGBA, screen->cpp, + 0, driScrnPriv->fbStride); + sisSetSpanFunctions(backRb, mesaVis); + _mesa_add_renderbuffer(fb, BUFFER_BACK_LEFT, &backRb->Base); + } + + if (mesaVis->depthBits == 16) { + driRenderbuffer *depthRb + = driNewRenderbuffer(GL_DEPTH_COMPONENT16, screen->cpp, + 0, driScrnPriv->fbStride); + sisSetSpanFunctions(depthRb, mesaVis); + _mesa_add_renderbuffer(fb, BUFFER_DEPTH, &depthRb->Base); + } + else if (mesaVis->depthBits == 24) { + driRenderbuffer *depthRb + = driNewRenderbuffer(GL_DEPTH_COMPONENT24, screen->cpp, + 0, driScrnPriv->fbStride); + sisSetSpanFunctions(depthRb, mesaVis); + _mesa_add_renderbuffer(fb, BUFFER_DEPTH, &depthRb->Base); + } + else if (mesaVis->depthBits == 32) { + driRenderbuffer *depthRb + = driNewRenderbuffer(GL_DEPTH_COMPONENT32, screen->cpp, + 0, driScrnPriv->fbStride); + sisSetSpanFunctions(depthRb, mesaVis); + _mesa_add_renderbuffer(fb, BUFFER_DEPTH, &depthRb->Base); + } + + /* no h/w stencil? + if (mesaVis->stencilBits > 0) { + driRenderbuffer *stencilRb + = driNewRenderbuffer(GL_STENCIL_INDEX8_EXT); + sisSetSpanFunctions(stencilRb, mesaVis); + _mesa_add_renderbuffer(fb, BUFFER_STENCIL, &stencilRb->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 +sisDestroyBuffer(__DRIdrawablePrivate *driDrawPriv) +{ + _mesa_destroy_framebuffer((GLframebuffer *) (driDrawPriv->driverPrivate)); +} + +__inline__ static void +sis_bitblt_copy_cmd (sisContextPtr smesa, ENGPACKET * pkt) +{ + GLint *lpdwDest, *lpdwSrc; + int i; + + lpdwSrc = (GLint *) pkt; + lpdwDest = (GLint *) (GET_IOBase (smesa) + REG_SRC_ADDR); + + mWait3DCmdQueue (10); + + for (i = 0; i < 7; i++) + *lpdwDest++ = *lpdwSrc++; + + MMIO(REG_CMD0, *(GLint *)&pkt->stdwCmd); + MMIO(REG_CommandQueue, -1); +} + +static void sisCopyBuffer( __DRIdrawablePrivate *dPriv ) +{ + sisContextPtr smesa = (sisContextPtr)dPriv->driContextPriv->driverPrivate; + int i; + ENGPACKET stEngPacket; + + memset(&stEngPacket, 0, sizeof(ENGPACKET)); + + while ((*smesa->FrameCountPtr) - MMIO_READ(0x8a2c) > SIS_MAX_FRAME_LENGTH) + ; + + LOCK_HARDWARE(); + + stEngPacket.dwSrcBaseAddr = smesa->backOffset; + stEngPacket.dwSrcPitch = smesa->backPitch | + ((smesa->bytesPerPixel == 2) ? 0x80000000 : 0xc0000000); + stEngPacket.dwDestBaseAddr = 0; + stEngPacket.wDestPitch = smesa->frontPitch; + /* TODO: set maximum value? */ + stEngPacket.wDestHeight = smesa->virtualY; + + stEngPacket.stdwCmd.cRop = 0xcc; + + if (smesa->blockWrite) + stEngPacket.stdwCmd.cCmd0 = CMD0_PAT_FG_COLOR; + else + stEngPacket.stdwCmd.cCmd0 = 0; + stEngPacket.stdwCmd.cCmd1 = CMD1_DIR_X_INC | CMD1_DIR_Y_INC; + + for (i = 0; i < dPriv->numClipRects; i++) { + drm_clip_rect_t *box = &dPriv->pClipRects[i]; + stEngPacket.stdwSrcPos.wY = box->y1 - dPriv->y; + stEngPacket.stdwSrcPos.wX = box->x1 - dPriv->x; + stEngPacket.stdwDestPos.wY = box->y1; + stEngPacket.stdwDestPos.wX = box->x1; + + stEngPacket.stdwDim.wWidth = (GLshort) box->x2 - box->x1; + stEngPacket.stdwDim.wHeight = (GLshort) box->y2 - box->y1; + sis_bitblt_copy_cmd( smesa, &stEngPacket ); + } + + *(GLint *)(smesa->IOBase+0x8a2c) = *smesa->FrameCountPtr; + (*smesa->FrameCountPtr)++; + + UNLOCK_HARDWARE (); +} + + +/* Copy the back color buffer to the front color buffer */ +static void +sisSwapBuffers(__DRIdrawablePrivate *dPriv) +{ + if (dPriv->driContextPriv && dPriv->driContextPriv->driverPrivate) { + sisContextPtr smesa = (sisContextPtr) dPriv->driContextPriv->driverPrivate; + GLcontext *ctx = smesa->glCtx; + + if (ctx->Visual.doubleBufferMode) { + _mesa_notifySwapBuffers( ctx ); /* flush pending rendering comands */ + sisCopyBuffer( 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 +sisInitDriver( __DRIscreenPrivate *sPriv ) +{ + sPriv->private = (void *) sisCreateScreen( sPriv ); + + if ( !sPriv->private ) { + sisDestroyScreen( sPriv ); + return GL_FALSE; + } + + return GL_TRUE; +} + +static struct __DriverAPIRec sisAPI = { + .InitDriver = sisInitDriver, + .DestroyScreen = sisDestroyScreen, + .CreateContext = sisCreateContext, + .DestroyContext = sisDestroyContext, + .CreateBuffer = sisCreateBuffer, + .DestroyBuffer = sisDestroyBuffer, + .SwapBuffers = sisSwapBuffers, + .MakeCurrent = sisMakeCurrent, + .UnbindContext = sisUnbindContext, + .GetSwapInfo = NULL, + .GetMSC = NULL, + .WaitForMSC = NULL, + .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 = {0, 8, 0}; + static const __DRIversion dri_expected = {4, 0, 0}; + static const __DRIversion drm_expected = {1, 0, 0}; + + dri_interface = interface; + + if (!driCheckDriDdxDrmVersions2("SiS", 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, &sisAPI); + if (psp != NULL) { + SISDRIPtr dri_priv = (SISDRIPtr)psp->pDevPriv; + *driver_modes = sisFillInModes(dri_priv->bytesPerPixel * 8); + + /* 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; +} |