diff options
Diffstat (limited to 'nx-X11/extras/Mesa/src/mesa/drivers/dri/r200/r200_ioctl.c')
| -rw-r--r-- | nx-X11/extras/Mesa/src/mesa/drivers/dri/r200/r200_ioctl.c | 966 |
1 files changed, 0 insertions, 966 deletions
diff --git a/nx-X11/extras/Mesa/src/mesa/drivers/dri/r200/r200_ioctl.c b/nx-X11/extras/Mesa/src/mesa/drivers/dri/r200/r200_ioctl.c deleted file mode 100644 index a2336ce4f..000000000 --- a/nx-X11/extras/Mesa/src/mesa/drivers/dri/r200/r200_ioctl.c +++ /dev/null @@ -1,966 +0,0 @@ -/* $XFree86: xc/lib/GL/mesa/src/drv/r200/r200_ioctl.c,v 1.4 2002/12/17 00:32:56 dawes 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. - -**************************************************************************/ - -/* - * Authors: - * Keith Whitwell <keith@tungstengraphics.com> - */ - -#include <sched.h> -#include <errno.h> - -#include "glheader.h" -#include "imports.h" -#include "macros.h" -#include "context.h" -#include "swrast/swrast.h" - -#include "r200_context.h" -#include "r200_state.h" -#include "r200_ioctl.h" -#include "r200_tcl.h" -#include "r200_sanity.h" -#include "radeon_reg.h" - -#include "vblank.h" - - -#define R200_TIMEOUT 512 -#define R200_IDLE_RETRY 16 - - -static void r200WaitForIdle( r200ContextPtr rmesa ); - - -/* At this point we were in FlushCmdBufLocked but we had lost our context, so - * we need to unwire our current cmdbuf, hook the one with the saved state in - * it, flush it, and then put the current one back. This is so commands at the - * start of a cmdbuf can rely on the state being kept from the previous one. - */ -static void r200BackUpAndEmitLostStateLocked( r200ContextPtr rmesa ) -{ - GLuint nr_released_bufs; - struct r200_store saved_store; - - if (rmesa->backup_store.cmd_used == 0) - return; - - if (R200_DEBUG & DEBUG_STATE) - fprintf(stderr, "Emitting backup state on lost context\n"); - - rmesa->lost_context = GL_FALSE; - - nr_released_bufs = rmesa->dma.nr_released_bufs; - saved_store = rmesa->store; - rmesa->dma.nr_released_bufs = 0; - rmesa->store = rmesa->backup_store; - r200FlushCmdBufLocked( rmesa, __FUNCTION__ ); - rmesa->dma.nr_released_bufs = nr_released_bufs; - rmesa->store = saved_store; -} - -int r200FlushCmdBufLocked( r200ContextPtr rmesa, const char * caller ) -{ - int ret, i; - drm_radeon_cmd_buffer_t cmd; - - if (rmesa->lost_context) - r200BackUpAndEmitLostStateLocked( rmesa ); - - if (R200_DEBUG & DEBUG_IOCTL) { - fprintf(stderr, "%s from %s\n", __FUNCTION__, caller); - - if (0 & R200_DEBUG & DEBUG_VERBOSE) - for (i = 0 ; i < rmesa->store.cmd_used ; i += 4 ) - fprintf(stderr, "%d: %x\n", i/4, - *(int *)(&rmesa->store.cmd_buf[i])); - } - - if (R200_DEBUG & DEBUG_DMA) - fprintf(stderr, "%s: Releasing %d buffers\n", __FUNCTION__, - rmesa->dma.nr_released_bufs); - - - if (R200_DEBUG & DEBUG_SANITY) { - if (rmesa->state.scissor.enabled) - ret = r200SanityCmdBuffer( rmesa, - rmesa->state.scissor.numClipRects, - rmesa->state.scissor.pClipRects); - else - ret = r200SanityCmdBuffer( rmesa, - rmesa->numClipRects, - rmesa->pClipRects); - if (ret) { - fprintf(stderr, "drmSanityCommandWrite: %d\n", ret); - goto out; - } - } - - - if (R200_DEBUG & DEBUG_MEMORY) { - if (! driValidateTextureHeaps( rmesa->texture_heaps, rmesa->nr_heaps, - & rmesa->swapped ) ) { - fprintf( stderr, "%s: texture memory is inconsistent - expect " - "mangled textures\n", __FUNCTION__ ); - } - } - - - cmd.bufsz = rmesa->store.cmd_used; - cmd.buf = rmesa->store.cmd_buf; - - if (rmesa->state.scissor.enabled) { - cmd.nbox = rmesa->state.scissor.numClipRects; - cmd.boxes = (drm_clip_rect_t *)rmesa->state.scissor.pClipRects; - } else { - cmd.nbox = rmesa->numClipRects; - cmd.boxes = (drm_clip_rect_t *)rmesa->pClipRects; - } - - ret = drmCommandWrite( rmesa->dri.fd, - DRM_RADEON_CMDBUF, - &cmd, sizeof(cmd) ); - - if (ret) - fprintf(stderr, "drmCommandWrite: %d\n", ret); - - if (R200_DEBUG & DEBUG_SYNC) { - fprintf(stderr, "\nSyncing in %s\n\n", __FUNCTION__); - r200WaitForIdleLocked( rmesa ); - } - - - out: - rmesa->store.primnr = 0; - rmesa->store.statenr = 0; - rmesa->store.cmd_used = 0; - rmesa->dma.nr_released_bufs = 0; - rmesa->save_on_next_emit = 1; - - return ret; -} - - -/* Note: does not emit any commands to avoid recursion on - * r200AllocCmdBuf. - */ -void r200FlushCmdBuf( r200ContextPtr rmesa, const char *caller ) -{ - int ret; - - LOCK_HARDWARE( rmesa ); - - ret = r200FlushCmdBufLocked( rmesa, caller ); - - UNLOCK_HARDWARE( rmesa ); - - if (ret) { - fprintf(stderr, "drmRadeonCmdBuffer: %d (exiting)\n", ret); - exit(ret); - } -} - - -/* ============================================================= - * Hardware vertex buffer handling - */ - - -void r200RefillCurrentDmaRegion( r200ContextPtr rmesa ) -{ - struct r200_dma_buffer *dmabuf; - int fd = rmesa->dri.fd; - int index = 0; - int size = 0; - drmDMAReq dma; - int ret; - - if (R200_DEBUG & (DEBUG_IOCTL|DEBUG_DMA)) - fprintf(stderr, "%s\n", __FUNCTION__); - - if (rmesa->dma.flush) { - rmesa->dma.flush( rmesa ); - } - - if (rmesa->dma.current.buf) - r200ReleaseDmaRegion( rmesa, &rmesa->dma.current, __FUNCTION__ ); - - if (rmesa->dma.nr_released_bufs > 4) - r200FlushCmdBuf( rmesa, __FUNCTION__ ); - - dma.context = rmesa->dri.hwContext; - dma.send_count = 0; - dma.send_list = NULL; - dma.send_sizes = NULL; - dma.flags = 0; - dma.request_count = 1; - dma.request_size = RADEON_BUFFER_SIZE; - dma.request_list = &index; - dma.request_sizes = &size; - dma.granted_count = 0; - - LOCK_HARDWARE(rmesa); /* no need to validate */ - - while (1) { - ret = drmDMA( fd, &dma ); - if (ret == 0) - break; - - if (rmesa->dma.nr_released_bufs) { - r200FlushCmdBufLocked( rmesa, __FUNCTION__ ); - } - - if (rmesa->do_usleeps) { - UNLOCK_HARDWARE( rmesa ); - DO_USLEEP( 1 ); - LOCK_HARDWARE( rmesa ); - } - } - - UNLOCK_HARDWARE(rmesa); - - if (R200_DEBUG & DEBUG_DMA) - fprintf(stderr, "Allocated buffer %d\n", index); - - dmabuf = CALLOC_STRUCT( r200_dma_buffer ); - dmabuf->buf = &rmesa->r200Screen->buffers->list[index]; - dmabuf->refcount = 1; - - rmesa->dma.current.buf = dmabuf; - rmesa->dma.current.address = dmabuf->buf->address; - rmesa->dma.current.end = dmabuf->buf->total; - rmesa->dma.current.start = 0; - rmesa->dma.current.ptr = 0; -} - -void r200ReleaseDmaRegion( r200ContextPtr rmesa, - struct r200_dma_region *region, - const char *caller ) -{ - if (R200_DEBUG & DEBUG_IOCTL) - fprintf(stderr, "%s from %s\n", __FUNCTION__, caller); - - if (!region->buf) - return; - - if (rmesa->dma.flush) - rmesa->dma.flush( rmesa ); - - if (--region->buf->refcount == 0) { - drm_radeon_cmd_header_t *cmd; - - if (R200_DEBUG & (DEBUG_IOCTL|DEBUG_DMA)) - fprintf(stderr, "%s -- DISCARD BUF %d\n", __FUNCTION__, - region->buf->buf->idx); - - cmd = (drm_radeon_cmd_header_t *)r200AllocCmdBuf( rmesa, sizeof(*cmd), - __FUNCTION__ ); - cmd->dma.cmd_type = RADEON_CMD_DMA_DISCARD; - cmd->dma.buf_idx = region->buf->buf->idx; - FREE(region->buf); - rmesa->dma.nr_released_bufs++; - } - - region->buf = NULL; - region->start = 0; -} - -/* Allocates a region from rmesa->dma.current. If there isn't enough - * space in current, grab a new buffer (and discard what was left of current) - */ -void r200AllocDmaRegion( r200ContextPtr rmesa, - struct r200_dma_region *region, - int bytes, - int alignment ) -{ - if (R200_DEBUG & DEBUG_IOCTL) - fprintf(stderr, "%s %d\n", __FUNCTION__, bytes); - - if (rmesa->dma.flush) - rmesa->dma.flush( rmesa ); - - if (region->buf) - r200ReleaseDmaRegion( rmesa, region, __FUNCTION__ ); - - alignment--; - rmesa->dma.current.start = rmesa->dma.current.ptr = - (rmesa->dma.current.ptr + alignment) & ~alignment; - - if ( rmesa->dma.current.ptr + bytes > rmesa->dma.current.end ) - r200RefillCurrentDmaRegion( rmesa ); - - region->start = rmesa->dma.current.start; - region->ptr = rmesa->dma.current.start; - region->end = rmesa->dma.current.start + bytes; - region->address = rmesa->dma.current.address; - region->buf = rmesa->dma.current.buf; - region->buf->refcount++; - - rmesa->dma.current.ptr += bytes; /* bug - if alignment > 7 */ - rmesa->dma.current.start = - rmesa->dma.current.ptr = (rmesa->dma.current.ptr + 0x7) & ~0x7; - - assert( rmesa->dma.current.ptr <= rmesa->dma.current.end ); -} - -void r200AllocDmaRegionVerts( r200ContextPtr rmesa, - struct r200_dma_region *region, - int numverts, - int vertsize, - int alignment ) -{ - r200AllocDmaRegion( rmesa, region, vertsize * numverts, alignment ); -} - -/* ================================================================ - * SwapBuffers with client-side throttling - */ - -static u_int32_t r200GetLastFrame(r200ContextPtr rmesa) -{ - drm_radeon_getparam_t gp; - int ret; - u_int32_t frame; - - gp.param = RADEON_PARAM_LAST_FRAME; - gp.value = (int *)&frame; - ret = drmCommandWriteRead( rmesa->dri.fd, DRM_RADEON_GETPARAM, - &gp, sizeof(gp) ); - if ( ret ) { - fprintf( stderr, "%s: drmRadeonGetParam: %d\n", __FUNCTION__, ret ); - exit(1); - } - - return frame; -} - -static void r200EmitIrqLocked( r200ContextPtr rmesa ) -{ - drm_radeon_irq_emit_t ie; - int ret; - - ie.irq_seq = &rmesa->iw.irq_seq; - ret = drmCommandWriteRead( rmesa->dri.fd, DRM_RADEON_IRQ_EMIT, - &ie, sizeof(ie) ); - if ( ret ) { - fprintf( stderr, "%s: drmRadeonIrqEmit: %d\n", __FUNCTION__, ret ); - exit(1); - } -} - - -static void r200WaitIrq( r200ContextPtr rmesa ) -{ - int ret; - - do { - ret = drmCommandWrite( rmesa->dri.fd, DRM_RADEON_IRQ_WAIT, - &rmesa->iw, sizeof(rmesa->iw) ); - } while (ret && (errno == EINTR || errno == EAGAIN)); - - if ( ret ) { - fprintf( stderr, "%s: drmRadeonIrqWait: %d\n", __FUNCTION__, ret ); - exit(1); - } -} - - -static void r200WaitForFrameCompletion( r200ContextPtr rmesa ) -{ - drm_radeon_sarea_t *sarea = rmesa->sarea; - - if (rmesa->do_irqs) { - if (r200GetLastFrame(rmesa) < sarea->last_frame) { - if (!rmesa->irqsEmitted) { - while (r200GetLastFrame (rmesa) < sarea->last_frame) - ; - } - else { - UNLOCK_HARDWARE( rmesa ); - r200WaitIrq( rmesa ); - LOCK_HARDWARE( rmesa ); - } - rmesa->irqsEmitted = 10; - } - - if (rmesa->irqsEmitted) { - r200EmitIrqLocked( rmesa ); - rmesa->irqsEmitted--; - } - } - else { - while (r200GetLastFrame (rmesa) < sarea->last_frame) { - UNLOCK_HARDWARE( rmesa ); - if (rmesa->do_usleeps) - DO_USLEEP( 1 ); - LOCK_HARDWARE( rmesa ); - } - } -} - - - -/* Copy the back color buffer to the front color buffer. - */ -void r200CopyBuffer( const __DRIdrawablePrivate *dPriv ) -{ - r200ContextPtr rmesa; - GLint nbox, i, ret; - GLboolean missed_target; - int64_t ust; - - assert(dPriv); - assert(dPriv->driContextPriv); - assert(dPriv->driContextPriv->driverPrivate); - - rmesa = (r200ContextPtr) dPriv->driContextPriv->driverPrivate; - - if ( R200_DEBUG & DEBUG_IOCTL ) { - fprintf( stderr, "\n%s( %p )\n\n", __FUNCTION__, (void *)rmesa->glCtx ); - } - - R200_FIREVERTICES( rmesa ); - - LOCK_HARDWARE( rmesa ); - - - /* Throttle the frame rate -- only allow one pending swap buffers - * request at a time. - */ - r200WaitForFrameCompletion( rmesa ); - UNLOCK_HARDWARE( rmesa ); - driWaitForVBlank( dPriv, & rmesa->vbl_seq, rmesa->vblank_flags, & missed_target ); - LOCK_HARDWARE( rmesa ); - - nbox = dPriv->numClipRects; /* must be in locked region */ - - for ( i = 0 ; i < nbox ; ) { - GLint nr = MIN2( i + RADEON_NR_SAREA_CLIPRECTS , nbox ); - drm_clip_rect_t *box = dPriv->pClipRects; - drm_clip_rect_t *b = rmesa->sarea->boxes; - GLint n = 0; - - for ( ; i < nr ; i++ ) { - *b++ = box[i]; - n++; - } - rmesa->sarea->nbox = n; - - ret = drmCommandNone( rmesa->dri.fd, DRM_RADEON_SWAP ); - - if ( ret ) { - fprintf( stderr, "DRM_R200_SWAP_BUFFERS: return = %d\n", ret ); - UNLOCK_HARDWARE( rmesa ); - exit( 1 ); - } - } - - UNLOCK_HARDWARE( rmesa ); - rmesa->hw.all_dirty = GL_TRUE; - - rmesa->swap_count++; - (*dri_interface->getUST)( & ust ); - if ( missed_target ) { - rmesa->swap_missed_count++; - rmesa->swap_missed_ust = ust - rmesa->swap_ust; - } - - rmesa->swap_ust = ust; - - sched_yield(); -} - -void r200PageFlip( const __DRIdrawablePrivate *dPriv ) -{ - r200ContextPtr rmesa; - GLint ret; - GLboolean missed_target; - - assert(dPriv); - assert(dPriv->driContextPriv); - assert(dPriv->driContextPriv->driverPrivate); - - rmesa = (r200ContextPtr) dPriv->driContextPriv->driverPrivate; - - if ( R200_DEBUG & DEBUG_IOCTL ) { - fprintf(stderr, "%s: pfCurrentPage: %d\n", __FUNCTION__, - rmesa->sarea->pfCurrentPage); - } - - R200_FIREVERTICES( rmesa ); - LOCK_HARDWARE( rmesa ); - - if (!dPriv->numClipRects) { - UNLOCK_HARDWARE( rmesa ); - usleep( 10000 ); /* throttle invisible client 10ms */ - return; - } - - /* Need to do this for the perf box placement: - */ - { - drm_clip_rect_t *box = dPriv->pClipRects; - drm_clip_rect_t *b = rmesa->sarea->boxes; - b[0] = box[0]; - rmesa->sarea->nbox = 1; - } - - /* Throttle the frame rate -- only allow a few pending swap buffers - * request at a time. - */ - r200WaitForFrameCompletion( rmesa ); - UNLOCK_HARDWARE( rmesa ); - driWaitForVBlank( dPriv, & rmesa->vbl_seq, rmesa->vblank_flags, & missed_target ); - if ( missed_target ) { - rmesa->swap_missed_count++; - (void) (*dri_interface->getUST)( & rmesa->swap_missed_ust ); - } - LOCK_HARDWARE( rmesa ); - - ret = drmCommandNone( rmesa->dri.fd, DRM_RADEON_FLIP ); - - UNLOCK_HARDWARE( rmesa ); - - if ( ret ) { - fprintf( stderr, "DRM_RADEON_FLIP: return = %d\n", ret ); - exit( 1 ); - } - - rmesa->swap_count++; - (void) (*dri_interface->getUST)( & rmesa->swap_ust ); - - if ( rmesa->sarea->pfCurrentPage == 1 ) { - rmesa->state.color.drawOffset = rmesa->r200Screen->frontOffset; - rmesa->state.color.drawPitch = rmesa->r200Screen->frontPitch; - } else { - rmesa->state.color.drawOffset = rmesa->r200Screen->backOffset; - rmesa->state.color.drawPitch = rmesa->r200Screen->backPitch; - } - - R200_STATECHANGE( rmesa, ctx ); - rmesa->hw.ctx.cmd[CTX_RB3D_COLOROFFSET] = rmesa->state.color.drawOffset - + rmesa->r200Screen->fbLocation; - rmesa->hw.ctx.cmd[CTX_RB3D_COLORPITCH] = rmesa->state.color.drawPitch; - if (rmesa->sarea->tiling_enabled) { - rmesa->hw.ctx.cmd[CTX_RB3D_COLORPITCH] |= R200_COLOR_TILE_ENABLE; - } -} - - -/* ================================================================ - * Buffer clear - */ -static void r200Clear( GLcontext *ctx, GLbitfield mask, GLboolean all, - GLint cx, GLint cy, GLint cw, GLint ch ) -{ - r200ContextPtr rmesa = R200_CONTEXT(ctx); - __DRIdrawablePrivate *dPriv = rmesa->dri.drawable; - GLuint flags = 0; - GLuint color_mask = 0; - GLint ret, i; - - if ( R200_DEBUG & DEBUG_IOCTL ) { - fprintf( stderr, "%s: all=%d cx=%d cy=%d cw=%d ch=%d\n", - __FUNCTION__, all, cx, cy, cw, ch ); - } - - { - LOCK_HARDWARE( rmesa ); - UNLOCK_HARDWARE( rmesa ); - if ( dPriv->numClipRects == 0 ) - return; - } - - r200Flush( ctx ); - - if ( mask & BUFFER_BIT_FRONT_LEFT ) { - flags |= RADEON_FRONT; - color_mask = rmesa->hw.msk.cmd[MSK_RB3D_PLANEMASK]; - mask &= ~BUFFER_BIT_FRONT_LEFT; - } - - if ( mask & BUFFER_BIT_BACK_LEFT ) { - flags |= RADEON_BACK; - color_mask = rmesa->hw.msk.cmd[MSK_RB3D_PLANEMASK]; - mask &= ~BUFFER_BIT_BACK_LEFT; - } - - if ( mask & BUFFER_BIT_DEPTH ) { - flags |= RADEON_DEPTH; - mask &= ~BUFFER_BIT_DEPTH; - } - - if ( (mask & BUFFER_BIT_STENCIL) && rmesa->state.stencil.hwBuffer ) { - flags |= RADEON_STENCIL; - mask &= ~BUFFER_BIT_STENCIL; - } - - if ( mask ) { - if (R200_DEBUG & DEBUG_FALLBACKS) - fprintf(stderr, "%s: swrast clear, mask: %x\n", __FUNCTION__, mask); - _swrast_Clear( ctx, mask, all, cx, cy, cw, ch ); - } - - if ( !flags ) - return; - - if (rmesa->using_hyperz) { - flags |= RADEON_USE_COMP_ZBUF; -/* if (rmesa->r200Screen->chipset & R200_CHIPSET_REAL_R200) - flags |= RADEON_USE_HIERZ; */ - if (!(rmesa->state.stencil.hwBuffer) || - ((flags & RADEON_DEPTH) && (flags & RADEON_STENCIL) && - ((rmesa->state.stencil.clear & R200_STENCIL_WRITE_MASK) == R200_STENCIL_WRITE_MASK))) { - flags |= RADEON_CLEAR_FASTZ; - } - } - - /* Flip top to bottom */ - cx += dPriv->x; - cy = dPriv->y + dPriv->h - cy - ch; - - LOCK_HARDWARE( rmesa ); - - /* Throttle the number of clear ioctls we do. - */ - while ( 1 ) { - drm_radeon_getparam_t gp; - int ret; - int clear; - - gp.param = RADEON_PARAM_LAST_CLEAR; - gp.value = (int *)&clear; - ret = drmCommandWriteRead( rmesa->dri.fd, - DRM_RADEON_GETPARAM, &gp, sizeof(gp) ); - - if ( ret ) { - fprintf( stderr, "%s: drmRadeonGetParam: %d\n", __FUNCTION__, ret ); - exit(1); - } - - /* Clear throttling needs more thought. - */ - if ( rmesa->sarea->last_clear - clear <= 25 ) { - break; - } - - if (rmesa->do_usleeps) { - UNLOCK_HARDWARE( rmesa ); - DO_USLEEP( 1 ); - LOCK_HARDWARE( rmesa ); - } - } - - /* Send current state to the hardware */ - r200FlushCmdBufLocked( rmesa, __FUNCTION__ ); - - for ( i = 0 ; i < dPriv->numClipRects ; ) { - GLint nr = MIN2( i + RADEON_NR_SAREA_CLIPRECTS, dPriv->numClipRects ); - drm_clip_rect_t *box = dPriv->pClipRects; - drm_clip_rect_t *b = rmesa->sarea->boxes; - drm_radeon_clear_t clear; - drm_radeon_clear_rect_t depth_boxes[RADEON_NR_SAREA_CLIPRECTS]; - GLint n = 0; - - if ( !all ) { - for ( ; i < nr ; i++ ) { - GLint x = box[i].x1; - GLint y = box[i].y1; - GLint w = box[i].x2 - x; - GLint h = box[i].y2 - y; - - if ( x < cx ) w -= cx - x, x = cx; - if ( y < cy ) h -= cy - y, y = cy; - if ( x + w > cx + cw ) w = cx + cw - x; - if ( y + h > cy + ch ) h = cy + ch - y; - if ( w <= 0 ) continue; - if ( h <= 0 ) continue; - - b->x1 = x; - b->y1 = y; - b->x2 = x + w; - b->y2 = y + h; - b++; - n++; - } - } else { - for ( ; i < nr ; i++ ) { - *b++ = box[i]; - n++; - } - } - - rmesa->sarea->nbox = n; - - clear.flags = flags; - clear.clear_color = rmesa->state.color.clear; - clear.clear_depth = rmesa->state.depth.clear; /* needed for hyperz */ - clear.color_mask = rmesa->hw.msk.cmd[MSK_RB3D_PLANEMASK]; - clear.depth_mask = rmesa->state.stencil.clear; - clear.depth_boxes = depth_boxes; - - n--; - b = rmesa->sarea->boxes; - for ( ; n >= 0 ; n-- ) { - depth_boxes[n].f[CLEAR_X1] = (float)b[n].x1; - depth_boxes[n].f[CLEAR_Y1] = (float)b[n].y1; - depth_boxes[n].f[CLEAR_X2] = (float)b[n].x2; - depth_boxes[n].f[CLEAR_Y2] = (float)b[n].y2; - depth_boxes[n].f[CLEAR_DEPTH] = ctx->Depth.Clear; - } - - ret = drmCommandWrite( rmesa->dri.fd, DRM_RADEON_CLEAR, - &clear, sizeof(clear)); - - - if ( ret ) { - UNLOCK_HARDWARE( rmesa ); - fprintf( stderr, "DRM_RADEON_CLEAR: return = %d\n", ret ); - exit( 1 ); - } - } - - UNLOCK_HARDWARE( rmesa ); - rmesa->hw.all_dirty = GL_TRUE; -} - - -void r200WaitForIdleLocked( r200ContextPtr rmesa ) -{ - int ret; - int i = 0; - - do { - ret = drmCommandNone( rmesa->dri.fd, DRM_RADEON_CP_IDLE); - if (ret) - DO_USLEEP( 1 ); - } while (ret && ++i < 100); - - if ( ret < 0 ) { - UNLOCK_HARDWARE( rmesa ); - fprintf( stderr, "Error: R200 timed out... exiting\n" ); - exit( -1 ); - } -} - - -static void r200WaitForIdle( r200ContextPtr rmesa ) -{ - LOCK_HARDWARE(rmesa); - r200WaitForIdleLocked( rmesa ); - UNLOCK_HARDWARE(rmesa); -} - - -void r200Flush( GLcontext *ctx ) -{ - r200ContextPtr rmesa = R200_CONTEXT( ctx ); - - if (R200_DEBUG & DEBUG_IOCTL) - fprintf(stderr, "%s\n", __FUNCTION__); - - if (rmesa->dma.flush) - rmesa->dma.flush( rmesa ); - - r200EmitState( rmesa ); - - if (rmesa->store.cmd_used) - r200FlushCmdBuf( rmesa, __FUNCTION__ ); -} - -/* Make sure all commands have been sent to the hardware and have - * completed processing. - */ -void r200Finish( GLcontext *ctx ) -{ - r200ContextPtr rmesa = R200_CONTEXT(ctx); - r200Flush( ctx ); - - if (rmesa->do_irqs) { - LOCK_HARDWARE( rmesa ); - r200EmitIrqLocked( rmesa ); - UNLOCK_HARDWARE( rmesa ); - r200WaitIrq( rmesa ); - } - else - r200WaitForIdle( rmesa ); -} - - -/* This version of AllocateMemoryMESA allocates only GART memory, and - * only does so after the point at which the driver has been - * initialized. - * - * Theoretically a valid context isn't required. However, in this - * implementation, it is, as I'm using the hardware lock to protect - * the kernel data structures, and the current context to get the - * device fd. - */ -void *r200AllocateMemoryMESA(__DRInativeDisplay *dpy, int scrn, GLsizei size, - GLfloat readfreq, GLfloat writefreq, - GLfloat priority) -{ - GET_CURRENT_CONTEXT(ctx); - r200ContextPtr rmesa; - int region_offset; - drm_radeon_mem_alloc_t alloc; - int ret; - - if (R200_DEBUG & DEBUG_IOCTL) - fprintf(stderr, "%s sz %d %f/%f/%f\n", __FUNCTION__, size, readfreq, - writefreq, priority); - - if (!ctx || !(rmesa = R200_CONTEXT(ctx)) || !rmesa->r200Screen->gartTextures.map) - return NULL; - - if (getenv("R200_NO_ALLOC")) - return NULL; - - if (rmesa->dri.drmMinor < 6) - return NULL; - - alloc.region = RADEON_MEM_REGION_GART; - alloc.alignment = 0; - alloc.size = size; - alloc.region_offset = ®ion_offset; - - ret = drmCommandWriteRead( rmesa->r200Screen->driScreen->fd, - DRM_RADEON_ALLOC, - &alloc, sizeof(alloc)); - - if (ret) { - fprintf(stderr, "%s: DRM_RADEON_ALLOC ret %d\n", __FUNCTION__, ret); - return NULL; - } - - { - char *region_start = (char *)rmesa->r200Screen->gartTextures.map; - return (void *)(region_start + region_offset); - } -} - - -/* Called via glXFreeMemoryMESA() */ -void r200FreeMemoryMESA(__DRInativeDisplay *dpy, int scrn, GLvoid *pointer) -{ - GET_CURRENT_CONTEXT(ctx); - r200ContextPtr rmesa; - ptrdiff_t region_offset; - drm_radeon_mem_free_t memfree; - int ret; - - if (R200_DEBUG & DEBUG_IOCTL) - fprintf(stderr, "%s %p\n", __FUNCTION__, pointer); - - if (!ctx || !(rmesa = R200_CONTEXT(ctx)) || !rmesa->r200Screen->gartTextures.map) { - fprintf(stderr, "%s: no context\n", __FUNCTION__); - return; - } - - if (rmesa->dri.drmMinor < 6) - return; - - region_offset = (char *)pointer - (char *)rmesa->r200Screen->gartTextures.map; - - if (region_offset < 0 || - region_offset > rmesa->r200Screen->gartTextures.size) { - fprintf(stderr, "offset %d outside range 0..%d\n", region_offset, - rmesa->r200Screen->gartTextures.size); - return; - } - - memfree.region = RADEON_MEM_REGION_GART; - memfree.region_offset = region_offset; - - ret = drmCommandWrite( rmesa->r200Screen->driScreen->fd, - DRM_RADEON_FREE, - &memfree, sizeof(memfree)); - - if (ret) - fprintf(stderr, "%s: DRM_RADEON_FREE ret %d\n", __FUNCTION__, ret); -} - -/* Called via glXGetMemoryOffsetMESA() */ -GLuint r200GetMemoryOffsetMESA(__DRInativeDisplay *dpy, int scrn, const GLvoid *pointer) -{ - GET_CURRENT_CONTEXT(ctx); - r200ContextPtr rmesa; - GLuint card_offset; - - if (!ctx || !(rmesa = R200_CONTEXT(ctx)) ) { - fprintf(stderr, "%s: no context\n", __FUNCTION__); - return ~0; - } - - if (!r200IsGartMemory( rmesa, pointer, 0 )) - return ~0; - - if (rmesa->dri.drmMinor < 6) - return ~0; - - card_offset = r200GartOffsetFromVirtual( rmesa, pointer ); - - return card_offset - rmesa->r200Screen->gart_base; -} - -GLboolean r200IsGartMemory( r200ContextPtr rmesa, const GLvoid *pointer, - GLint size ) -{ - ptrdiff_t offset = (char *)pointer - (char *)rmesa->r200Screen->gartTextures.map; - int valid = (size >= 0 && - offset >= 0 && - offset + size < rmesa->r200Screen->gartTextures.size); - - if (R200_DEBUG & DEBUG_IOCTL) - fprintf(stderr, "r200IsGartMemory( %p ) : %d\n", pointer, valid ); - - return valid; -} - - -GLuint r200GartOffsetFromVirtual( r200ContextPtr rmesa, const GLvoid *pointer ) -{ - ptrdiff_t offset = (char *)pointer - (char *)rmesa->r200Screen->gartTextures.map; - - if (offset < 0 || offset > rmesa->r200Screen->gartTextures.size) - return ~0; - else - return rmesa->r200Screen->gart_texture_offset + offset; -} - - - -void r200InitIoctlFuncs( struct dd_function_table *functions ) -{ - functions->Clear = r200Clear; - functions->Finish = r200Finish; - functions->Flush = r200Flush; -} - |