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author | Reinhard Tartler <siretart@tauware.de> | 2011-10-10 17:43:39 +0200 |
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committer | Reinhard Tartler <siretart@tauware.de> | 2011-10-10 17:43:39 +0200 |
commit | f4092abdf94af6a99aff944d6264bc1284e8bdd4 (patch) | |
tree | 2ac1c9cc16ceb93edb2c4382c088dac5aeafdf0f /nx-X11/extras/Mesa/src/mesa/drivers/dri/mach64/mach64_ioctl.c | |
parent | a840692edc9c6d19cd7c057f68e39c7d95eb767d (diff) | |
download | nx-libs-f4092abdf94af6a99aff944d6264bc1284e8bdd4.tar.gz nx-libs-f4092abdf94af6a99aff944d6264bc1284e8bdd4.tar.bz2 nx-libs-f4092abdf94af6a99aff944d6264bc1284e8bdd4.zip |
Imported nx-X11-3.1.0-1.tar.gznx-X11/3.1.0-1
Summary: Imported nx-X11-3.1.0-1.tar.gz
Keywords:
Imported nx-X11-3.1.0-1.tar.gz
into Git repository
Diffstat (limited to 'nx-X11/extras/Mesa/src/mesa/drivers/dri/mach64/mach64_ioctl.c')
-rw-r--r-- | nx-X11/extras/Mesa/src/mesa/drivers/dri/mach64/mach64_ioctl.c | 912 |
1 files changed, 912 insertions, 0 deletions
diff --git a/nx-X11/extras/Mesa/src/mesa/drivers/dri/mach64/mach64_ioctl.c b/nx-X11/extras/Mesa/src/mesa/drivers/dri/mach64/mach64_ioctl.c new file mode 100644 index 000000000..1889dc2b9 --- /dev/null +++ b/nx-X11/extras/Mesa/src/mesa/drivers/dri/mach64/mach64_ioctl.c @@ -0,0 +1,912 @@ +/* $XFree86$ */ /* -*- 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 <errno.h> + +#include "mach64_context.h" +#include "mach64_state.h" +#include "mach64_ioctl.h" +#include "mach64_tex.h" + +#include "imports.h" +#include "macros.h" + +#include "swrast/swrast.h" + +#include "vblank.h" + +#define MACH64_TIMEOUT 10 /* the DRM already has a timeout, so keep this small */ + + +/* ============================================================= + * Hardware vertex buffer handling + */ + +/* Get a new VB from the pool of vertex buffers in AGP space. + */ +drmBufPtr mach64GetBufferLocked( mach64ContextPtr mmesa ) +{ + int fd = mmesa->mach64Screen->driScreen->fd; + int index = 0; + int size = 0; + drmDMAReq dma; + drmBufPtr buf = NULL; + int to = 0; + int ret; + + dma.context = mmesa->hHWContext; + dma.send_count = 0; + dma.send_list = NULL; + dma.send_sizes = NULL; + dma.flags = 0; + dma.request_count = 1; + dma.request_size = MACH64_BUFFER_SIZE; + dma.request_list = &index; + dma.request_sizes = &size; + dma.granted_count = 0; + + while ( !buf && ( to++ < MACH64_TIMEOUT ) ) { + ret = drmDMA( fd, &dma ); + + if ( ret == 0 ) { + buf = &mmesa->mach64Screen->buffers->list[index]; + buf->used = 0; +#if ENABLE_PERF_BOXES + /* Bump the performance counter */ + mmesa->c_vertexBuffers++; +#endif + return buf; + } + } + + if ( !buf ) { + drmCommandNone( fd, DRM_MACH64_RESET ); + UNLOCK_HARDWARE( mmesa ); + fprintf( stderr, "Error: Could not get new VB... exiting\n" ); + exit( -1 ); + } + + return buf; +} + +void mach64FlushVerticesLocked( mach64ContextPtr mmesa ) +{ + drm_clip_rect_t *pbox = mmesa->pClipRects; + int nbox = mmesa->numClipRects; + void *buffer = mmesa->vert_buf; + int count = mmesa->vert_used; + int prim = mmesa->hw_primitive; + int fd = mmesa->driScreen->fd; + drm_mach64_vertex_t vertex; + int i, ret; + + mmesa->num_verts = 0; + mmesa->vert_used = 0; + + if ( !count ) + return; + + if ( mmesa->dirty & ~MACH64_UPLOAD_CLIPRECTS ) + mach64EmitHwStateLocked( mmesa ); + + if ( !nbox ) + count = 0; + + if ( nbox > MACH64_NR_SAREA_CLIPRECTS ) + mmesa->dirty |= MACH64_UPLOAD_CLIPRECTS; + + if ( !count || !(mmesa->dirty & MACH64_UPLOAD_CLIPRECTS) ) { + /* FIXME: Is this really necessary */ + if ( nbox == 1 ) + mmesa->sarea->nbox = 0; + else + mmesa->sarea->nbox = nbox; + + vertex.prim = prim; + vertex.buf = buffer; + vertex.used = count; + vertex.discard = 1; + ret = drmCommandWrite( fd, DRM_MACH64_VERTEX, &vertex, sizeof(drm_mach64_vertex_t) ); + if ( ret ) { + UNLOCK_HARDWARE( mmesa ); + fprintf( stderr, "Error flushing vertex buffer: return = %d\n", ret ); + exit( -1 ); + } + + } else { + + for ( i = 0 ; i < nbox ; ) { + int nr = MIN2( i + MACH64_NR_SAREA_CLIPRECTS, nbox ); + drm_clip_rect_t *b = mmesa->sarea->boxes; + int discard = 0; + + mmesa->sarea->nbox = nr - i; + for ( ; i < nr ; i++ ) { + *b++ = pbox[i]; + } + + /* Finished with the buffer? + */ + if ( nr == nbox ) { + discard = 1; + } + + mmesa->sarea->dirty |= MACH64_UPLOAD_CLIPRECTS; + + vertex.prim = prim; + vertex.buf = buffer; + vertex.used = count; + vertex.discard = discard; + ret = drmCommandWrite( fd, DRM_MACH64_VERTEX, &vertex, sizeof(drm_mach64_vertex_t) ); + if ( ret ) { + UNLOCK_HARDWARE( mmesa ); + fprintf( stderr, "Error flushing vertex buffer: return = %d\n", ret ); + exit( -1 ); + } + } + } + + mmesa->dirty &= ~MACH64_UPLOAD_CLIPRECTS; +} + +/* ================================================================ + * Texture uploads + */ + +void mach64FireBlitLocked( mach64ContextPtr mmesa, drmBufPtr buffer, + GLint offset, GLint pitch, GLint format, + GLint x, GLint y, GLint width, GLint height ) +{ + drm_mach64_blit_t blit; + GLint ret; + + blit.idx = buffer->idx; + blit.offset = offset; + blit.pitch = pitch; + blit.format = format; + blit.x = x; + blit.y = y; + blit.width = width; + blit.height = height; + + ret = drmCommandWrite( mmesa->driFd, DRM_MACH64_BLIT, + &blit, sizeof(drm_mach64_blit_t) ); + + if ( ret ) { + UNLOCK_HARDWARE( mmesa ); + fprintf( stderr, "DRM_MACH64_BLIT: return = %d\n", ret ); + exit( -1 ); + } +} + + +/* ================================================================ + * SwapBuffers with client-side throttling + */ +static void delay( void ) { +/* Prevent an optimizing compiler from removing a spin loop */ +} + +/* Throttle the frame rate -- only allow MACH64_MAX_QUEUED_FRAMES + * pending swap buffers requests at a time. + * + * GH: We probably don't want a timeout here, as we can wait as + * long as we want for a frame to complete. If it never does, then + * the card has locked. + */ +static int mach64WaitForFrameCompletion( mach64ContextPtr mmesa ) +{ + int fd = mmesa->driFd; + int i; + int wait = 0; + int frames; + + while ( 1 ) { + drm_mach64_getparam_t gp; + int ret; + + if ( mmesa->sarea->frames_queued < MACH64_MAX_QUEUED_FRAMES ) { + break; + } + + if (MACH64_DEBUG & DEBUG_NOWAIT) { + return 1; + } + + gp.param = MACH64_PARAM_FRAMES_QUEUED; + gp.value = &frames; /* also copied into sarea->frames_queued by DRM */ + + ret = drmCommandWriteRead( fd, DRM_MACH64_GETPARAM, &gp, sizeof(gp) ); + + if ( ret ) { + UNLOCK_HARDWARE( mmesa ); + fprintf( stderr, "DRM_MACH64_GETPARAM: return = %d\n", ret ); + exit( -1 ); + } + + /* Spin in place a bit so we aren't hammering the register */ + wait++; + + for ( i = 0 ; i < 1024 ; i++ ) { + delay(); + } + + } + + return wait; +} + +/* Copy the back color buffer to the front color buffer. + */ +void mach64CopyBuffer( const __DRIdrawablePrivate *dPriv ) +{ + mach64ContextPtr mmesa; + GLint nbox, i, ret; + drm_clip_rect_t *pbox; + GLboolean missed_target; + + assert(dPriv); + assert(dPriv->driContextPriv); + assert(dPriv->driContextPriv->driverPrivate); + + mmesa = (mach64ContextPtr) dPriv->driContextPriv->driverPrivate; + + if ( MACH64_DEBUG & DEBUG_VERBOSE_API ) { + fprintf( stderr, "\n********************************\n" ); + fprintf( stderr, "\n%s( %p )\n\n", + __FUNCTION__, mmesa->glCtx ); + fflush( stderr ); + } + + /* Flush any outstanding vertex buffers */ + FLUSH_BATCH( mmesa ); + + LOCK_HARDWARE( mmesa ); + + /* Throttle the frame rate -- only allow one pending swap buffers + * request at a time. + */ + if ( !mach64WaitForFrameCompletion( mmesa ) ) { + mmesa->hardwareWentIdle = 1; + } else { + mmesa->hardwareWentIdle = 0; + } + +#if ENABLE_PERF_BOXES + if ( mmesa->boxes ) { + mach64PerformanceBoxesLocked( mmesa ); + } +#endif + + UNLOCK_HARDWARE( mmesa ); + driWaitForVBlank( dPriv, &mmesa->vbl_seq, mmesa->vblank_flags, &missed_target ); + LOCK_HARDWARE( mmesa ); + + /* use front buffer cliprects */ + nbox = dPriv->numClipRects; + pbox = dPriv->pClipRects; + + for ( i = 0 ; i < nbox ; ) { + GLint nr = MIN2( i + MACH64_NR_SAREA_CLIPRECTS , nbox ); + drm_clip_rect_t *b = mmesa->sarea->boxes; + GLint n = 0; + + for ( ; i < nr ; i++ ) { + *b++ = pbox[i]; + n++; + } + mmesa->sarea->nbox = n; + + ret = drmCommandNone( mmesa->driFd, DRM_MACH64_SWAP ); + + if ( ret ) { + UNLOCK_HARDWARE( mmesa ); + fprintf( stderr, "DRM_MACH64_SWAP: return = %d\n", ret ); + exit( -1 ); + } + } + + if ( MACH64_DEBUG & DEBUG_ALWAYS_SYNC ) { + mach64WaitForIdleLocked( mmesa ); + } + + UNLOCK_HARDWARE( mmesa ); + + mmesa->dirty |= (MACH64_UPLOAD_CONTEXT | + MACH64_UPLOAD_MISC | + MACH64_UPLOAD_CLIPRECTS); + +#if ENABLE_PERF_BOXES + /* Log the performance counters if necessary */ + mach64PerformanceCounters( mmesa ); +#endif +} + +#if ENABLE_PERF_BOXES +/* ================================================================ + * Performance monitoring + */ + +void mach64PerformanceCounters( mach64ContextPtr mmesa ) +{ + + if (MACH64_DEBUG & DEBUG_VERBOSE_COUNT) { + /* report performance counters */ + fprintf( stderr, "mach64CopyBuffer: vertexBuffers:%i drawWaits:%i clears:%i\n", + mmesa->c_vertexBuffers, mmesa->c_drawWaits, mmesa->c_clears ); + } + + mmesa->c_vertexBuffers = 0; + mmesa->c_drawWaits = 0; + mmesa->c_clears = 0; + + if ( mmesa->c_textureSwaps || mmesa->c_textureBytes || mmesa->c_agpTextureBytes ) { + if (MACH64_DEBUG & DEBUG_VERBOSE_COUNT) { + fprintf( stderr, " textureSwaps:%i textureBytes:%i agpTextureBytes:%i\n", + mmesa->c_textureSwaps, mmesa->c_textureBytes, mmesa->c_agpTextureBytes ); + } + mmesa->c_textureSwaps = 0; + mmesa->c_textureBytes = 0; + mmesa->c_agpTextureBytes = 0; + } + + mmesa->c_texsrc_agp = 0; + mmesa->c_texsrc_card = 0; + + if (MACH64_DEBUG & DEBUG_VERBOSE_COUNT) + fprintf( stderr, "---------------------------------------------------------\n" ); +} + + +void mach64PerformanceBoxesLocked( mach64ContextPtr mmesa ) +{ + GLint ret; + drm_mach64_clear_t clear; + GLint x, y, w, h; + GLuint color; + GLint nbox; + GLint x1, y1, x2, y2; + drm_clip_rect_t *b = mmesa->sarea->boxes; + + /* save cliprects */ + nbox = mmesa->sarea->nbox; + x1 = b[0].x1; + y1 = b[0].y1; + x2 = b[0].x2; + y2 = b[0].y2; + + /* setup a single cliprect and call the clear ioctl for each box */ + mmesa->sarea->nbox = 1; + + w = h = 8; + x = mmesa->drawX; + y = mmesa->drawY; + b[0].x1 = x; + b[0].x2 = x + w; + b[0].y1 = y; + b[0].y2 = y + h; + + clear.flags = MACH64_BACK; + clear.clear_depth = 0; + + /* Red box if DDFinish was called to wait for rendering to complete */ + if ( mmesa->c_drawWaits ) { + color = mach64PackColor( mmesa->mach64Screen->cpp, 255, 0, 0, 0 ); + + clear.x = x; + clear.y = y; + clear.w = w; + clear.h = h; + clear.clear_color = color; + + ret = drmCommandWrite( mmesa->driFd, DRM_MACH64_CLEAR, + &clear, sizeof(drm_mach64_clear_t) ); + + if (ret < 0) { + UNLOCK_HARDWARE( mmesa ); + fprintf( stderr, "DRM_MACH64_CLEAR: return = %d\n", ret ); + exit( -1 ); + } + + } + + x += w; + b[0].x1 = x; + b[0].x2 = x + w; + + /* draw a green box if we had to wait for previous frame(s) to complete */ + if ( !mmesa->hardwareWentIdle ) { + color = mach64PackColor( mmesa->mach64Screen->cpp, 0, 255, 0, 0 ); + + clear.x = x; + clear.y = y; + clear.w = w; + clear.h = h; + clear.clear_color = color; + + ret = drmCommandWrite( mmesa->driFd, DRM_MACH64_CLEAR, + &clear, sizeof(drm_mach64_clear_t) ); + + if (ret < 0) { + UNLOCK_HARDWARE( mmesa ); + fprintf( stderr, "DRM_MACH64_CLEAR: return = %d\n", ret ); + exit( -1 ); + } + + } + + x += w; + w = 20; + b[0].x1 = x; + + /* show approx. ratio of AGP/card textures used - Blue = AGP, Purple = Card */ + if ( mmesa->c_texsrc_agp || mmesa->c_texsrc_card ) { + color = mach64PackColor( mmesa->mach64Screen->cpp, 0, 0, 255, 0 ); + w = ((GLfloat)mmesa->c_texsrc_agp / (GLfloat)(mmesa->c_texsrc_agp + mmesa->c_texsrc_card))*20; + if (w > 1) { + + b[0].x2 = x + w; + + clear.x = x; + clear.y = y; + clear.w = w; + clear.h = h; + clear.clear_color = color; + + ret = drmCommandWrite( mmesa->driFd, DRM_MACH64_CLEAR, + &clear, sizeof(drm_mach64_clear_t) ); + + if (ret < 0) { + UNLOCK_HARDWARE( mmesa ); + fprintf( stderr, "DRM_MACH64_CLEAR: return = %d\n", ret ); + exit( -1 ); + } + } + + x += w; + w = 20 - w; + + if (w > 1) { + b[0].x1 = x; + b[0].x2 = x + w; + + color = mach64PackColor( mmesa->mach64Screen->cpp, 255, 0, 255, 0 ); + + clear.x = x; + clear.y = y; + clear.w = w; + clear.h = h; + clear.clear_color = color; + + ret = drmCommandWrite( mmesa->driFd, DRM_MACH64_CLEAR, + &clear, sizeof(drm_mach64_clear_t) ); + + if (ret < 0) { + UNLOCK_HARDWARE( mmesa ); + fprintf( stderr, "DRM_MACH64_CLEAR: return = %d\n", ret ); + exit( -1 ); + } + } + } + + x += w; + w = 8; + b[0].x1 = x; + b[0].x2 = x + w; + + /* Yellow box if we swapped textures */ + if ( mmesa->c_textureSwaps ) { + color = mach64PackColor( mmesa->mach64Screen->cpp, 255, 255, 0, 0 ); + + clear.x = x; + clear.y = y; + clear.w = w; + clear.h = h; + clear.clear_color = color; + + ret = drmCommandWrite( mmesa->driFd, DRM_MACH64_CLEAR, + &clear, sizeof(drm_mach64_clear_t) ); + + if (ret < 0) { + UNLOCK_HARDWARE( mmesa ); + fprintf( stderr, "DRM_MACH64_CLEAR: return = %d\n", ret ); + exit( -1 ); + } + + } + + h = 4; + x += 8; + b[0].x1 = x; + b[0].y2 = y + h; + + /* Purple bar for card memory texture blits/uploads */ + if ( mmesa->c_textureBytes ) { + color = mach64PackColor( mmesa->mach64Screen->cpp, 255, 0, 255, 0 ); + w = mmesa->c_textureBytes / 16384; + if ( w <= 0 ) + w = 1; + if (w > (mmesa->driDrawable->w - 44)) + w = mmesa->driDrawable->w - 44; + + b[0].x2 = x + w; + + clear.x = x; + clear.y = y; + clear.w = w; + clear.h = h; + clear.clear_color = color; + + ret = drmCommandWrite( mmesa->driFd, DRM_MACH64_CLEAR, + &clear, sizeof(drm_mach64_clear_t) ); + + if (ret < 0) { + UNLOCK_HARDWARE( mmesa ); + fprintf( stderr, "DRM_MACH64_CLEAR: return = %d\n", ret ); + exit( -1 ); + } + } + + /* Blue bar for AGP memory texture blits/uploads */ + if ( mmesa->c_agpTextureBytes ) { + color = mach64PackColor( mmesa->mach64Screen->cpp, 0, 0, 255, 0 ); + w = mmesa->c_agpTextureBytes / 16384; + if ( w <= 0 ) + w = 1; + if (w > (mmesa->driDrawable->w - 44)) + w = mmesa->driDrawable->w - 44; + + y += 4; + b[0].x2 = x + w; + b[0].y1 = y; + b[0].y2 = y + h; + + clear.x = x; + clear.y = y; + clear.w = w; + clear.h = h; + clear.clear_color = color; + + ret = drmCommandWrite( mmesa->driFd, DRM_MACH64_CLEAR, + &clear, sizeof(drm_mach64_clear_t) ); + + if (ret < 0) { + UNLOCK_HARDWARE( mmesa ); + fprintf( stderr, "DRM_MACH64_CLEAR: return = %d\n", ret ); + exit( -1 ); + } + } + + /* Pink bar for number of vertex buffers used */ + if ( mmesa->c_vertexBuffers ) { + color = mach64PackColor( mmesa->mach64Screen->cpp, 196, 128, 128, 0 ); + + w = mmesa->c_vertexBuffers; + if (w > (mmesa->driDrawable->w)) + w = mmesa->driDrawable->w; + + h = 8; + x = mmesa->drawX; + y = mmesa->drawY + 8; + b[0].x1 = x; + b[0].x2 = x + w; + b[0].y1 = y; + b[0].y2 = y + h; + + clear.x = x; + clear.y = y; + clear.w = w; + clear.h = h; + clear.clear_color = color; + + ret = drmCommandWrite( mmesa->driFd, DRM_MACH64_CLEAR, + &clear, sizeof(drm_mach64_clear_t) ); + + if (ret < 0) { + UNLOCK_HARDWARE( mmesa ); + fprintf( stderr, "DRM_MACH64_CLEAR: return = %d\n", ret ); + exit( -1 ); + } + } + + /* restore cliprects */ + mmesa->sarea->nbox = nbox; + b[0].x1 = x1; + b[0].y1 = y1; + b[0].x2 = x2; + b[0].y2 = y2; + +} + +#endif + +/* ================================================================ + * Buffer clear + */ + +static void mach64DDClear( GLcontext *ctx, GLbitfield mask, GLboolean all, + GLint cx, GLint cy, GLint cw, GLint ch ) +{ + mach64ContextPtr mmesa = MACH64_CONTEXT( ctx ); + __DRIdrawablePrivate *dPriv = mmesa->driDrawable; + drm_mach64_clear_t clear; + GLuint flags = 0; + GLint i; + GLint ret; + + if ( MACH64_DEBUG & DEBUG_VERBOSE_API ) { + fprintf( stderr, "%s: all=%d %d,%d %dx%d\n", + __FUNCTION__, all, cx, cy, cw, ch ); + } + +#if ENABLE_PERF_BOXES + /* Bump the performance counter */ + mmesa->c_clears++; +#endif + + FLUSH_BATCH( mmesa ); + + /* The only state changes we care about here are the RGBA colormask + * and scissor/clipping. We'll just update that state, if needed. + */ + if ( mmesa->new_state & (MACH64_NEW_MASKS | MACH64_NEW_CLIP) ) { + const GLuint save_state = mmesa->new_state; + mmesa->new_state &= (MACH64_NEW_MASKS | MACH64_NEW_CLIP); + mach64DDUpdateHWState( ctx ); + mmesa->new_state = save_state & ~(MACH64_NEW_MASKS | MACH64_NEW_CLIP); + } + + if ( mask & BUFFER_BIT_FRONT_LEFT ) { + flags |= MACH64_FRONT; + mask &= ~BUFFER_BIT_FRONT_LEFT; + } + + if ( mask & BUFFER_BIT_BACK_LEFT ) { + flags |= MACH64_BACK; + mask &= ~BUFFER_BIT_BACK_LEFT; + } + + if ( ( mask & BUFFER_BIT_DEPTH ) && ctx->Depth.Mask ) { + flags |= MACH64_DEPTH; + mask &= ~BUFFER_BIT_DEPTH; + } + + if ( mask ) + _swrast_Clear( ctx, mask, all, cx, cy, cw, ch ); + + if ( !flags ) + return; + + LOCK_HARDWARE( mmesa ); + + /* This needs to be in the locked region, so updated drawable origin is used */ + /* Flip top to bottom */ + cx += mmesa->drawX; + cy = mmesa->drawY + dPriv->h - cy - ch; + + /* HACK? + */ + if ( mmesa->dirty & ~MACH64_UPLOAD_CLIPRECTS ) { + mach64EmitHwStateLocked( mmesa ); + } + + for ( i = 0 ; i < mmesa->numClipRects ; ) { + int nr = MIN2( i + MACH64_NR_SAREA_CLIPRECTS, mmesa->numClipRects ); + drm_clip_rect_t *box = mmesa->pClipRects; + drm_clip_rect_t *b = mmesa->sarea->boxes; + 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++; + } + } + + mmesa->sarea->nbox = n; + + if ( MACH64_DEBUG & DEBUG_VERBOSE_IOCTL ) { + fprintf( stderr, + "DRM_MACH64_CLEAR: flag 0x%x color %x depth %x nbox %d\n", + flags, + (GLuint)mmesa->ClearColor, + (GLuint)mmesa->ClearDepth, + mmesa->sarea->nbox ); + } + + clear.flags = flags; + clear.x = cx; + clear.y = cy; + clear.w = cw; + clear.h = ch; + clear.clear_color = mmesa->ClearColor; + clear.clear_depth = mmesa->ClearDepth; + + ret = drmCommandWrite( mmesa->driFd, DRM_MACH64_CLEAR, + &clear, sizeof(drm_mach64_clear_t) ); + + if ( ret ) { + UNLOCK_HARDWARE( mmesa ); + fprintf( stderr, "DRM_MACH64_CLEAR: return = %d\n", ret ); + exit( -1 ); + } + } + + UNLOCK_HARDWARE( mmesa ); + + mmesa->dirty |= (MACH64_UPLOAD_CONTEXT | + MACH64_UPLOAD_MISC | + MACH64_UPLOAD_CLIPRECTS); + +} + + +void mach64WaitForIdleLocked( mach64ContextPtr mmesa ) +{ + int fd = mmesa->driFd; + int to = 0; + int ret; + + do { + ret = drmCommandNone( fd, DRM_MACH64_IDLE ); + } while ( ( ret == -EBUSY ) && ( to++ < MACH64_TIMEOUT ) ); + + if ( ret < 0 ) { + drmCommandNone( fd, DRM_MACH64_RESET ); + UNLOCK_HARDWARE( mmesa ); + fprintf( stderr, "Error: Mach64 timed out... exiting\n" ); + exit( -1 ); + } +} + +/* Flush the DMA queue to the hardware */ +void mach64FlushDMALocked( mach64ContextPtr mmesa ) +{ + int fd = mmesa->driFd; + int ret; + + ret = drmCommandNone( fd, DRM_MACH64_FLUSH ); + + if ( ret < 0 ) { + drmCommandNone( fd, DRM_MACH64_RESET ); + UNLOCK_HARDWARE( mmesa ); + fprintf( stderr, "Error flushing DMA... exiting\n" ); + exit( -1 ); + } + + mmesa->dirty |= (MACH64_UPLOAD_CONTEXT | + MACH64_UPLOAD_MISC | + MACH64_UPLOAD_CLIPRECTS); + +} + +/* For client-side state emits - currently unused */ +void mach64UploadHwStateLocked( mach64ContextPtr mmesa ) +{ + drm_mach64_sarea_t *sarea = mmesa->sarea; + + drm_mach64_context_regs_t *regs = &sarea->context_state; + unsigned int dirty = sarea->dirty; + CARD32 offset = ((regs->tex_size_pitch & 0xf0) >> 2); + + DMALOCALS; + + DMAGETPTR( 19*2 ); + + if ( dirty & MACH64_UPLOAD_MISC ) { + DMAOUTREG( MACH64_DP_MIX, regs->dp_mix ); + DMAOUTREG( MACH64_DP_SRC, regs->dp_src ); + DMAOUTREG( MACH64_CLR_CMP_CNTL, regs->clr_cmp_cntl ); + DMAOUTREG( MACH64_GUI_TRAJ_CNTL, regs->gui_traj_cntl ); + DMAOUTREG( MACH64_SC_LEFT_RIGHT, regs->sc_left_right ); + DMAOUTREG( MACH64_SC_TOP_BOTTOM, regs->sc_top_bottom ); + sarea->dirty &= ~MACH64_UPLOAD_MISC; + } + + if ( dirty & MACH64_UPLOAD_DST_OFF_PITCH ) { + DMAOUTREG( MACH64_DST_OFF_PITCH, regs->dst_off_pitch ); + sarea->dirty &= ~MACH64_UPLOAD_DST_OFF_PITCH; + } + if ( dirty & MACH64_UPLOAD_Z_OFF_PITCH ) { + DMAOUTREG( MACH64_Z_OFF_PITCH, regs->z_off_pitch ); + sarea->dirty &= ~MACH64_UPLOAD_Z_OFF_PITCH; + } + if ( dirty & MACH64_UPLOAD_Z_ALPHA_CNTL ) { + DMAOUTREG( MACH64_Z_CNTL, regs->z_cntl ); + DMAOUTREG( MACH64_ALPHA_TST_CNTL, regs->alpha_tst_cntl ); + sarea->dirty &= ~MACH64_UPLOAD_Z_ALPHA_CNTL; + } + if ( dirty & MACH64_UPLOAD_SCALE_3D_CNTL ) { + DMAOUTREG( MACH64_SCALE_3D_CNTL, regs->scale_3d_cntl ); + sarea->dirty &= ~MACH64_UPLOAD_SCALE_3D_CNTL; + } + if ( dirty & MACH64_UPLOAD_DP_FOG_CLR ) { + DMAOUTREG( MACH64_DP_FOG_CLR, regs->dp_fog_clr ); + sarea->dirty &= ~MACH64_UPLOAD_DP_FOG_CLR; + } + if ( dirty & MACH64_UPLOAD_DP_WRITE_MASK ) { + DMAOUTREG( MACH64_DP_WRITE_MASK, regs->dp_write_mask ); + sarea->dirty &= ~MACH64_UPLOAD_DP_WRITE_MASK; + } + if ( dirty & MACH64_UPLOAD_DP_PIX_WIDTH ) { + DMAOUTREG( MACH64_DP_PIX_WIDTH, regs->dp_pix_width ); + sarea->dirty &= ~MACH64_UPLOAD_DP_PIX_WIDTH; + } + if ( dirty & MACH64_UPLOAD_SETUP_CNTL ) { + DMAOUTREG( MACH64_SETUP_CNTL, regs->setup_cntl ); + sarea->dirty &= ~MACH64_UPLOAD_SETUP_CNTL; + } + + if ( dirty & MACH64_UPLOAD_TEXTURE ) { + DMAOUTREG( MACH64_TEX_SIZE_PITCH, regs->tex_size_pitch ); + DMAOUTREG( MACH64_TEX_CNTL, regs->tex_cntl ); + DMAOUTREG( MACH64_SECONDARY_TEX_OFF, regs->secondary_tex_off ); + DMAOUTREG( MACH64_TEX_0_OFF + offset, regs->tex_offset ); + sarea->dirty &= ~MACH64_UPLOAD_TEXTURE; + } + +#if 0 + if ( dirty & MACH64_UPLOAD_CLIPRECTS ) { + DMAOUTREG( MACH64_SC_LEFT_RIGHT, regs->sc_left_right ); + DMAOUTREG( MACH64_SC_TOP_BOTTOM, regs->sc_top_bottom ); + sarea->dirty &= ~MACH64_UPLOAD_CLIPRECTS; + } +#endif + + sarea->dirty = 0; + + DMAADVANCE(); +} + +void mach64InitIoctlFuncs( struct dd_function_table *functions ) +{ + functions->Clear = mach64DDClear; +} |