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Diffstat (limited to 'src/mesa/drivers/dri/i915/intel_ioctl.c')
-rw-r--r--src/mesa/drivers/dri/i915/intel_ioctl.c668
1 files changed, 0 insertions, 668 deletions
diff --git a/src/mesa/drivers/dri/i915/intel_ioctl.c b/src/mesa/drivers/dri/i915/intel_ioctl.c
deleted file mode 100644
index ddd92782db..0000000000
--- a/src/mesa/drivers/dri/i915/intel_ioctl.c
+++ /dev/null
@@ -1,668 +0,0 @@
-/**************************************************************************
- *
- * Copyright 2003 Tungsten Graphics, 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 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 TUNGSTEN GRAPHICS 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.
- *
- **************************************************************************/
-
-
-#include <stdio.h>
-#include <unistd.h>
-#include <errno.h>
-#include <sched.h>
-
-#include "mtypes.h"
-#include "context.h"
-#include "swrast/swrast.h"
-
-#include "intel_context.h"
-#include "intel_ioctl.h"
-#include "intel_batchbuffer.h"
-#include "drm.h"
-
-u_int32_t intelGetLastFrame (intelContextPtr intel)
-{
- int ret;
- u_int32_t frame;
- drm_i915_getparam_t gp;
-
- gp.param = I915_PARAM_LAST_DISPATCH;
- gp.value = (int *)&frame;
- ret = drmCommandWriteRead( intel->driFd, DRM_I915_GETPARAM,
- &gp, sizeof(gp) );
- return frame;
-}
-
-/**
- * Emits a marker in the command stream, numbered from 0x00000001 to
- * 0x7fffffff.
- */
-int intelEmitIrqLocked( intelContextPtr intel )
-{
- drmI830IrqEmit ie;
- int ret, seq;
-
- assert(((*(int *)intel->driHwLock) & ~DRM_LOCK_CONT) ==
- (DRM_LOCK_HELD|intel->hHWContext));
-
- /* Valgrind can't tell that the kernel will have copyout()ed onto this
- * value, so initialize it now to prevent false positives.
- */
- seq = 0;
- ie.irq_seq = &seq;
-
- ret = drmCommandWriteRead( intel->driFd, DRM_I830_IRQ_EMIT,
- &ie, sizeof(ie) );
- if ( ret ) {
- fprintf( stderr, "%s: drmI830IrqEmit: %d\n", __FUNCTION__, ret );
- exit(1);
- }
-
- if (0)
- fprintf(stderr, "%s --> %d\n", __FUNCTION__, seq );
-
- return seq;
-}
-
-/** Blocks on a marker returned by intelEitIrqLocked(). */
-void intelWaitIrq( intelContextPtr intel, int seq )
-{
- int ret;
-
- if (0)
- fprintf(stderr, "%s %d\n", __FUNCTION__, seq );
-
- intel->iw.irq_seq = seq;
-
- do {
- ret = drmCommandWrite( intel->driFd, DRM_I830_IRQ_WAIT, &intel->iw, sizeof(intel->iw) );
- } while (ret == -EAGAIN || ret == -EINTR);
-
- if ( ret ) {
- fprintf( stderr, "%s: drmI830IrqWait: %d\n", __FUNCTION__, ret );
- if (0)
- intel_dump_batchbuffer( intel->alloc.offset,
- intel->alloc.ptr,
- intel->alloc.size );
- exit(1);
- }
-}
-
-
-
-static void age_intel( intelContextPtr intel, int age )
-{
- GLuint i;
-
- for (i = 0 ; i < MAX_TEXTURE_UNITS ; i++)
- if (intel->CurrentTexObj[i])
- intel->CurrentTexObj[i]->age = age;
-}
-
-void intel_dump_batchbuffer( long offset,
- int *ptr,
- int count )
-{
- int i;
- fprintf(stderr, "\n\n\nSTART BATCH (%d dwords):\n", count);
- for (i = 0; i < count/4; i += 4)
- fprintf(stderr, "\t0x%x: 0x%08x 0x%08x 0x%08x 0x%08x\n",
- (unsigned int)offset + i*4, ptr[i], ptr[i+1], ptr[i+2], ptr[i+3]);
- fprintf(stderr, "END BATCH\n\n\n");
-}
-
-void intelRefillBatchLocked( intelContextPtr intel, GLboolean allow_unlock )
-{
- GLuint last_irq = intel->alloc.irq_emitted;
- GLuint half = intel->alloc.size / 2;
- GLuint buf = (intel->alloc.active_buf ^= 1);
-
- intel->alloc.irq_emitted = intelEmitIrqLocked( intel );
-
- if (last_irq) {
- if (allow_unlock) UNLOCK_HARDWARE( intel );
- intelWaitIrq( intel, last_irq );
- if (allow_unlock) LOCK_HARDWARE( intel );
- }
-
- if (0)
- fprintf(stderr, "%s: now using half %d\n", __FUNCTION__, buf);
-
- intel->batch.start_offset = intel->alloc.offset + buf * half;
- intel->batch.ptr = (unsigned char *)intel->alloc.ptr + buf * half;
- intel->batch.size = half - 8;
- intel->batch.space = half - 8;
- assert(intel->batch.space >= 0);
-}
-
-#define MI_BATCH_BUFFER_END (0xA<<23)
-
-
-void intelFlushBatchLocked( intelContextPtr intel,
- GLboolean ignore_cliprects,
- GLboolean refill,
- GLboolean allow_unlock)
-{
- drmI830BatchBuffer batch;
-
- assert(intel->locked);
-
- if (0)
- fprintf(stderr, "%s used %d of %d offset %x..%x refill %d (started in %s)\n",
- __FUNCTION__,
- (intel->batch.size - intel->batch.space),
- intel->batch.size,
- intel->batch.start_offset,
- intel->batch.start_offset +
- (intel->batch.size - intel->batch.space),
- refill,
- intel->batch.func);
-
- /* Throw away non-effective packets. Won't work once we have
- * hardware contexts which would preserve statechanges beyond a
- * single buffer.
- */
- if (intel->numClipRects == 0 && !ignore_cliprects) {
-
- /* Without this yeild, an application with no cliprects can hog
- * the hardware. Without unlocking, the effect is much worse -
- * effectively a lock-out of other contexts.
- */
- if (allow_unlock) {
- UNLOCK_HARDWARE( intel );
- sched_yield();
- LOCK_HARDWARE( intel );
- }
-
- /* Note that any state thought to have been emitted actually
- * hasn't:
- */
- intel->batch.ptr -= (intel->batch.size - intel->batch.space);
- intel->batch.space = intel->batch.size;
- intel->vtbl.lost_hardware( intel );
- }
-
- if (intel->batch.space != intel->batch.size) {
-
- if (intel->sarea->ctxOwner != intel->hHWContext) {
- intel->perf_boxes |= I830_BOX_LOST_CONTEXT;
- intel->sarea->ctxOwner = intel->hHWContext;
- }
-
- batch.start = intel->batch.start_offset;
- batch.used = intel->batch.size - intel->batch.space;
- batch.cliprects = intel->pClipRects;
- batch.num_cliprects = ignore_cliprects ? 0 : intel->numClipRects;
- batch.DR1 = 0;
- batch.DR4 = ((((GLuint)intel->drawX) & 0xffff) |
- (((GLuint)intel->drawY) << 16));
-
- if (intel->alloc.offset) {
- if ((batch.used & 0x4) == 0) {
- ((int *)intel->batch.ptr)[0] = 0;
- ((int *)intel->batch.ptr)[1] = MI_BATCH_BUFFER_END;
- batch.used += 0x8;
- intel->batch.ptr += 0x8;
- }
- else {
- ((int *)intel->batch.ptr)[0] = MI_BATCH_BUFFER_END;
- batch.used += 0x4;
- intel->batch.ptr += 0x4;
- }
- }
-
- if (0)
- intel_dump_batchbuffer( batch.start,
- (int *)(intel->batch.ptr - batch.used),
- batch.used );
-
- intel->batch.start_offset += batch.used;
- intel->batch.size -= batch.used;
-
- if (intel->batch.size < 8) {
- refill = GL_TRUE;
- intel->batch.space = intel->batch.size = 0;
- }
- else {
- intel->batch.size -= 8;
- intel->batch.space = intel->batch.size;
- }
-
-
- assert(intel->batch.space >= 0);
- assert(batch.start >= intel->alloc.offset);
- assert(batch.start < intel->alloc.offset + intel->alloc.size);
- assert(batch.start + batch.used > intel->alloc.offset);
- assert(batch.start + batch.used <=
- intel->alloc.offset + intel->alloc.size);
-
-
- if (intel->alloc.offset) {
- if (drmCommandWrite (intel->driFd, DRM_I830_BATCHBUFFER, &batch,
- sizeof(batch))) {
- fprintf(stderr, "DRM_I830_BATCHBUFFER: %d\n", -errno);
- UNLOCK_HARDWARE(intel);
- exit(1);
- }
- } else {
- drmI830CmdBuffer cmd;
- cmd.buf = (char *)intel->alloc.ptr + batch.start;
- cmd.sz = batch.used;
- cmd.DR1 = batch.DR1;
- cmd.DR4 = batch.DR4;
- cmd.num_cliprects = batch.num_cliprects;
- cmd.cliprects = batch.cliprects;
-
- if (drmCommandWrite (intel->driFd, DRM_I830_CMDBUFFER, &cmd,
- sizeof(cmd))) {
- fprintf(stderr, "DRM_I830_CMDBUFFER: %d\n", -errno);
- UNLOCK_HARDWARE(intel);
- exit(1);
- }
- }
-
-
- age_intel(intel, intel->sarea->last_enqueue);
-
- /* FIXME: use hardware contexts to avoid 'losing' hardware after
- * each buffer flush.
- */
- if (intel->batch.contains_geometry)
- assert(intel->batch.last_emit_state == intel->batch.counter);
-
- intel->batch.counter++;
- intel->batch.contains_geometry = 0;
- intel->batch.func = 0;
- intel->vtbl.lost_hardware( intel );
- }
-
- if (refill)
- intelRefillBatchLocked( intel, allow_unlock );
-}
-
-void intelFlushBatch( intelContextPtr intel, GLboolean refill )
-{
- if (intel->locked) {
- intelFlushBatchLocked( intel, GL_FALSE, refill, GL_FALSE );
- }
- else {
- LOCK_HARDWARE(intel);
- intelFlushBatchLocked( intel, GL_FALSE, refill, GL_TRUE );
- UNLOCK_HARDWARE(intel);
- }
-}
-
-
-void intelWaitForIdle( intelContextPtr intel )
-{
- if (0)
- fprintf(stderr, "%s\n", __FUNCTION__);
-
- intel->vtbl.emit_flush( intel );
- intelFlushBatch( intel, GL_TRUE );
-
- /* Use an irq to wait for dma idle -- Need to track lost contexts
- * to shortcircuit consecutive calls to this function:
- */
- intelWaitIrq( intel, intel->alloc.irq_emitted );
- intel->alloc.irq_emitted = 0;
-}
-
-
-/**
- * Check if we need to rotate/warp the front color buffer to the
- * rotated screen. We generally need to do this when we get a glFlush
- * or glFinish after drawing to the front color buffer.
- */
-static void
-intelCheckFrontRotate(GLcontext *ctx)
-{
- intelContextPtr intel = INTEL_CONTEXT( ctx );
- if (intel->ctx.DrawBuffer->_ColorDrawBufferMask[0] == BUFFER_BIT_FRONT_LEFT) {
- intelScreenPrivate *screen = intel->intelScreen;
- if (screen->current_rotation != 0) {
- __DRIdrawablePrivate *dPriv = intel->driDrawable;
- intelRotateWindow(intel, dPriv, BUFFER_BIT_FRONT_LEFT);
- }
- }
-}
-
-
-/**
- * NOT directly called via glFlush.
- */
-void intelFlush( GLcontext *ctx )
-{
- intelContextPtr intel = INTEL_CONTEXT( ctx );
-
- if (intel->Fallback)
- _swrast_flush( ctx );
-
- INTEL_FIREVERTICES( intel );
-
- if (intel->batch.size != intel->batch.space)
- intelFlushBatch( intel, GL_FALSE );
-}
-
-
-/**
- * Called via glFlush.
- */
-void intelglFlush( GLcontext *ctx )
-{
- intelFlush(ctx);
- intelCheckFrontRotate(ctx);
-}
-
-
-void intelFinish( GLcontext *ctx )
-{
- intelContextPtr intel = INTEL_CONTEXT( ctx );
- intelFlush( ctx );
- intelWaitForIdle( intel );
- intelCheckFrontRotate(ctx);
-}
-
-
-void intelClear(GLcontext *ctx, GLbitfield mask)
-{
- intelContextPtr intel = INTEL_CONTEXT( ctx );
- const GLuint colorMask = *((GLuint *) &ctx->Color.ColorMask);
- GLbitfield tri_mask = 0;
- GLbitfield blit_mask = 0;
- GLbitfield swrast_mask = 0;
-
- if (0)
- fprintf(stderr, "%s\n", __FUNCTION__);
-
- /* Take care of cliprects, which are handled differently for
- * clears, etc.
- */
- intelFlush( &intel->ctx );
-
- if (mask & BUFFER_BIT_FRONT_LEFT) {
- if (colorMask == ~0) {
- blit_mask |= BUFFER_BIT_FRONT_LEFT;
- }
- else {
- tri_mask |= BUFFER_BIT_FRONT_LEFT;
- }
- }
-
- if (mask & BUFFER_BIT_BACK_LEFT) {
- if (colorMask == ~0) {
- blit_mask |= BUFFER_BIT_BACK_LEFT;
- }
- else {
- tri_mask |= BUFFER_BIT_BACK_LEFT;
- }
- }
-
- if (mask & BUFFER_BIT_DEPTH) {
- blit_mask |= BUFFER_BIT_DEPTH;
- }
-
- if (mask & BUFFER_BIT_STENCIL) {
- if (!intel->hw_stencil) {
- swrast_mask |= BUFFER_BIT_STENCIL;
- }
- else if ((ctx->Stencil.WriteMask[0] & 0xff) != 0xff) {
- tri_mask |= BUFFER_BIT_STENCIL;
- }
- else {
- blit_mask |= BUFFER_BIT_STENCIL;
- }
- }
-
- swrast_mask |= (mask & BUFFER_BIT_ACCUM);
-
- if (blit_mask)
- intelClearWithBlit( ctx, blit_mask, 0, 0, 0, 0, 0);
-
- if (tri_mask)
- intel->vtbl.clear_with_tris( intel, tri_mask, 0, 0, 0, 0, 0);
-
- if (swrast_mask)
- _swrast_Clear( ctx, swrast_mask );
-}
-
-
-void
-intelRotateWindow(intelContextPtr intel, __DRIdrawablePrivate *dPriv,
- GLuint srcBuffer)
-{
- if (intel->vtbl.rotate_window) {
- intel->vtbl.rotate_window(intel, dPriv, srcBuffer);
- }
-}
-
-
-void *intelAllocateAGP( intelContextPtr intel, GLsizei size )
-{
- int region_offset;
- drmI830MemAlloc alloc;
- int ret;
-
- if (0)
- fprintf(stderr, "%s: %d bytes\n", __FUNCTION__, size);
-
- alloc.region = I830_MEM_REGION_AGP;
- alloc.alignment = 0;
- alloc.size = size;
- alloc.region_offset = &region_offset;
-
- LOCK_HARDWARE(intel);
-
- /* Make sure the global heap is initialized
- */
- if (intel->texture_heaps[0])
- driAgeTextures( intel->texture_heaps[0] );
-
-
- ret = drmCommandWriteRead( intel->driFd,
- DRM_I830_ALLOC,
- &alloc, sizeof(alloc));
-
- if (ret) {
- fprintf(stderr, "%s: DRM_I830_ALLOC ret %d\n", __FUNCTION__, ret);
- UNLOCK_HARDWARE(intel);
- return NULL;
- }
-
- if (0)
- fprintf(stderr, "%s: allocated %d bytes\n", __FUNCTION__, size);
-
- /* Need to propogate this information (agp memory in use) to our
- * local texture lru. The kernel has already updated the global
- * lru. An alternative would have been to allocate memory the
- * usual way and then notify the kernel to pin the allocation.
- */
- if (intel->texture_heaps[0])
- driAgeTextures( intel->texture_heaps[0] );
-
- UNLOCK_HARDWARE(intel);
-
- return (void *)((char *)intel->intelScreen->tex.map + region_offset);
-}
-
-void intelFreeAGP( intelContextPtr intel, void *pointer )
-{
- int region_offset;
- drmI830MemFree memfree;
- int ret;
-
- region_offset = (char *)pointer - (char *)intel->intelScreen->tex.map;
-
- if (region_offset < 0 ||
- region_offset > intel->intelScreen->tex.size) {
- fprintf(stderr, "offset %d outside range 0..%d\n", region_offset,
- intel->intelScreen->tex.size);
- return;
- }
-
- memfree.region = I830_MEM_REGION_AGP;
- memfree.region_offset = region_offset;
-
- ret = drmCommandWrite( intel->driFd,
- DRM_I830_FREE,
- &memfree, sizeof(memfree));
-
- if (ret)
- fprintf(stderr, "%s: DRM_I830_FREE ret %d\n", __FUNCTION__, ret);
-}
-
-/* This version of AllocateMemoryMESA allocates only agp 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 *intelAllocateMemoryMESA(__DRInativeDisplay *dpy, int scrn,
- GLsizei size, GLfloat readfreq,
- GLfloat writefreq, GLfloat priority)
-{
- GET_CURRENT_CONTEXT(ctx);
-
- if (INTEL_DEBUG & DEBUG_IOCTL)
- fprintf(stderr, "%s sz %d %f/%f/%f\n", __FUNCTION__, size, readfreq,
- writefreq, priority);
-
- if (getenv("INTEL_NO_ALLOC"))
- return NULL;
-
- if (!ctx || INTEL_CONTEXT(ctx) == 0)
- return NULL;
-
- return intelAllocateAGP( INTEL_CONTEXT(ctx), size );
-}
-
-
-/* Called via glXFreeMemoryMESA() */
-void intelFreeMemoryMESA(__DRInativeDisplay *dpy, int scrn, GLvoid *pointer)
-{
- GET_CURRENT_CONTEXT(ctx);
- if (INTEL_DEBUG & DEBUG_IOCTL)
- fprintf(stderr, "%s %p\n", __FUNCTION__, pointer);
-
- if (!ctx || INTEL_CONTEXT(ctx) == 0) {
- fprintf(stderr, "%s: no context\n", __FUNCTION__);
- return;
- }
-
- intelFreeAGP( INTEL_CONTEXT(ctx), pointer );
-}
-
-/* Called via glXGetMemoryOffsetMESA()
- *
- * Returns offset of pointer from the start of agp aperture.
- */
-GLuint intelGetMemoryOffsetMESA(__DRInativeDisplay *dpy, int scrn,
- const GLvoid *pointer)
-{
- GET_CURRENT_CONTEXT(ctx);
- intelContextPtr intel;
-
- if (!ctx || !(intel = INTEL_CONTEXT(ctx)) ) {
- fprintf(stderr, "%s: no context\n", __FUNCTION__);
- return ~0;
- }
-
- if (!intelIsAgpMemory( intel, pointer, 0 ))
- return ~0;
-
- return intelAgpOffsetFromVirtual( intel, pointer );
-}
-
-
-GLboolean intelIsAgpMemory( intelContextPtr intel, const GLvoid *pointer,
- GLint size )
-{
- int offset = (char *)pointer - (char *)intel->intelScreen->tex.map;
- int valid = (size >= 0 &&
- offset >= 0 &&
- offset + size < intel->intelScreen->tex.size);
-
- if (INTEL_DEBUG & DEBUG_IOCTL)
- fprintf(stderr, "intelIsAgpMemory( %p ) : %d\n", pointer, valid );
-
- return valid;
-}
-
-
-GLuint intelAgpOffsetFromVirtual( intelContextPtr intel, const GLvoid *pointer )
-{
- int offset = (char *)pointer - (char *)intel->intelScreen->tex.map;
-
- if (offset < 0 || offset > intel->intelScreen->tex.size)
- return ~0;
- else
- return intel->intelScreen->tex.offset + offset;
-}
-
-
-
-
-
-/* Flip the front & back buffes
- */
-void intelPageFlip( const __DRIdrawablePrivate *dPriv )
-{
-#if 0
- intelContextPtr intel;
- int tmp, ret;
-
- if (INTEL_DEBUG & DEBUG_IOCTL)
- fprintf(stderr, "%s\n", __FUNCTION__);
-
- assert(dPriv);
- assert(dPriv->driContextPriv);
- assert(dPriv->driContextPriv->driverPrivate);
-
- intel = (intelContextPtr) dPriv->driContextPriv->driverPrivate;
-
- intelFlush( &intel->ctx );
- LOCK_HARDWARE( intel );
-
- if (dPriv->pClipRects) {
- *(drm_clip_rect_t *)intel->sarea->boxes = dPriv->pClipRects[0];
- intel->sarea->nbox = 1;
- }
-
- ret = drmCommandNone(intel->driFd, DRM_I830_FLIP);
- if (ret) {
- fprintf(stderr, "%s: %d\n", __FUNCTION__, ret);
- UNLOCK_HARDWARE( intel );
- exit(1);
- }
-
- tmp = intel->sarea->last_enqueue;
- intelRefillBatchLocked( intel );
- UNLOCK_HARDWARE( intel );
-
-
- intelSetDrawBuffer( &intel->ctx, intel->ctx.Color.DriverDrawBuffer );
-#endif
-}