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-rw-r--r--src/mesa/drivers/dri/i915/intel_context.c5
-rw-r--r--src/mesa/drivers/dri/i915/intel_context.h2
l---------[-rw-r--r--]src/mesa/drivers/dri/i915/intel_ioctl.c175
l---------[-rw-r--r--]src/mesa/drivers/dri/i965/intel_ioctl.c201
-rw-r--r--src/mesa/drivers/dri/intel/intel_ioctl.c198
5 files changed, 207 insertions, 374 deletions
diff --git a/src/mesa/drivers/dri/i915/intel_context.c b/src/mesa/drivers/dri/i915/intel_context.c
index 21da8af040..b2d9c9c591 100644
--- a/src/mesa/drivers/dri/i915/intel_context.c
+++ b/src/mesa/drivers/dri/i915/intel_context.c
@@ -553,6 +553,11 @@ intelInitContext(struct intel_context *intel,
FALLBACK(intel, INTEL_FALLBACK_USER, 1);
}
+ /* Disable all hardware rendering (skip emitting batches and fences/waits
+ * to the kernel)
+ */
+ intel->no_hw = getenv("INTEL_NO_HW") != NULL;
+
return GL_TRUE;
}
diff --git a/src/mesa/drivers/dri/i915/intel_context.h b/src/mesa/drivers/dri/i915/intel_context.h
index be78b475b4..151e9e276d 100644
--- a/src/mesa/drivers/dri/i915/intel_context.h
+++ b/src/mesa/drivers/dri/i915/intel_context.h
@@ -240,6 +240,8 @@ struct intel_context
GLuint lastStamp;
+ GLboolean no_hw;
+
/**
* Configuration cache
*/
diff --git a/src/mesa/drivers/dri/i915/intel_ioctl.c b/src/mesa/drivers/dri/i915/intel_ioctl.c
index 187a6e901b..effd0f378d 100644..120000
--- a/src/mesa/drivers/dri/i915/intel_ioctl.c
+++ b/src/mesa/drivers/dri/i915/intel_ioctl.c
@@ -1,174 +1 @@
-/**************************************************************************
- *
- * 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 "intel_blit.h"
-#include "intel_regions.h"
-#include "drm.h"
-
-#include "intel_bufmgr_ttm.h"
-
-#define FILE_DEBUG_FLAG DEBUG_IOCTL
-
-int
-intelEmitIrqLocked(struct intel_context *intel)
-{
- drmI830IrqEmit ie;
- int ret, seq;
-
- 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);
- }
-
- DBG("%s --> %d\n", __FUNCTION__, seq);
-
- return seq;
-}
-
-void
-intelWaitIrq(struct intel_context *intel, int seq)
-{
- drm_i915_irq_wait_t iw;
- int ret;
-
- DBG("%s %d\n", __FUNCTION__, seq);
-
- iw.irq_seq = seq;
-
- do {
- ret = drmCommandWrite(intel->driFd, DRM_I830_IRQ_WAIT, &iw, sizeof(iw));
- } while (ret == -EAGAIN || ret == -EINTR);
-
- if (ret) {
- fprintf(stderr, "%s: drmI830IrqWait: %d\n", __FUNCTION__, ret);
- exit(1);
- }
-}
-
-
-void
-intel_batch_ioctl(struct intel_context *intel,
- GLuint start_offset,
- GLuint used,
- GLboolean ignore_cliprects, GLboolean allow_unlock)
-{
- drmI830BatchBuffer batch;
-
- assert(intel->locked);
- assert(used);
-
- DBG("%s used %d offset %x..%x ignore_cliprects %d\n",
- __FUNCTION__,
- used, start_offset, start_offset + used, ignore_cliprects);
-
- /* Throw away non-effective packets. Won't work once we have
- * hardware contexts which would preserve statechanges beyond a
- * single buffer.
- */
- batch.start = start_offset;
- batch.used = used;
- 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));
-
- DBG("%s: 0x%x..0x%x DR4: %x cliprects: %d\n",
- __FUNCTION__,
- batch.start,
- batch.start + batch.used * 4, batch.DR4, batch.num_cliprects);
-
- if (drmCommandWrite(intel->driFd, DRM_I830_BATCHBUFFER, &batch,
- sizeof(batch))) {
- fprintf(stderr, "DRM_I830_BATCHBUFFER: %d\n", -errno);
- UNLOCK_HARDWARE(intel);
- exit(1);
- }
-}
-
-void
-intel_exec_ioctl(struct intel_context *intel,
- GLuint used,
- GLboolean ignore_cliprects, GLboolean allow_unlock,
- void *start, GLuint count, dri_fence **fence)
-{
- struct drm_i915_execbuffer execbuf;
- dri_fence *fo;
-
- assert(intel->locked);
- assert(used);
-
- if (*fence) {
- dri_fence_unreference(*fence);
- }
-
- memset(&execbuf, 0, sizeof(execbuf));
-
- execbuf.num_buffers = count;
- execbuf.batch.used = used;
- execbuf.batch.cliprects = intel->pClipRects;
- execbuf.batch.num_cliprects = ignore_cliprects ? 0 : intel->numClipRects;
- execbuf.batch.DR1 = 0;
- execbuf.batch.DR4 = ((((GLuint) intel->drawX) & 0xffff) |
- (((GLuint) intel->drawY) << 16));
-
- execbuf.ops_list = (unsigned long)start; // TODO
- execbuf.fence_arg.flags = DRM_FENCE_FLAG_SHAREABLE | DRM_I915_FENCE_FLAG_FLUSHED;
-
- if (drmCommandWriteRead(intel->driFd, DRM_I915_EXECBUFFER, &execbuf,
- sizeof(execbuf))) {
- fprintf(stderr, "DRM_I830_EXECBUFFER: %d\n", -errno);
- UNLOCK_HARDWARE(intel);
- exit(1);
- }
-
-
- fo = intel_ttm_fence_create_from_arg(intel->bufmgr, "fence buffers",
- &execbuf.fence_arg);
- if (!fo) {
- fprintf(stderr, "failed to fence handle: %08x\n", execbuf.fence_arg.handle);
- UNLOCK_HARDWARE(intel);
- exit(1);
- }
- *fence = fo;
-}
+../intel/intel_ioctl.c \ No newline at end of file
diff --git a/src/mesa/drivers/dri/i965/intel_ioctl.c b/src/mesa/drivers/dri/i965/intel_ioctl.c
index f0ba59dcb2..effd0f378d 100644..120000
--- a/src/mesa/drivers/dri/i965/intel_ioctl.c
+++ b/src/mesa/drivers/dri/i965/intel_ioctl.c
@@ -1,200 +1 @@
-/**************************************************************************
- *
- * 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 "intel_blit.h"
-#include "intel_regions.h"
-#include "drm.h"
-#include "dri_bufmgr.h"
-#include "intel_bufmgr_ttm.h"
-#include "i915_drm.h"
-
-int intelEmitIrqLocked( struct intel_context *intel )
-{
- int seq = 1;
-
- if (!intel->no_hw) {
- drmI830IrqEmit ie;
- int ret;
- /*
- assert(((*(int *)intel->driHwLock) & ~DRM_LOCK_CONT) ==
- (DRM_LOCK_HELD|intel->hHWContext));
- */
- 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;
-}
-
-void intelWaitIrq( struct intel_context *intel, int seq )
-{
- if (!intel->no_hw) {
- drmI830IrqWait iw;
- int ret, lastdispatch;
- volatile drmI830Sarea *sarea = intel->sarea;
-
- if (0)
- fprintf(stderr, "%s %d\n", __FUNCTION__, seq );
-
- iw.irq_seq = seq;
-
- do {
- lastdispatch = sarea->last_dispatch;
- ret = drmCommandWrite( intel->driFd,
- DRM_I830_IRQ_WAIT, &iw, sizeof(iw) );
-
- /* This seems quite often to return before it should!?!
- */
- } while (ret == -EAGAIN ||
- ret == -EINTR ||
- (ret == -EBUSY && lastdispatch != sarea->last_dispatch) ||
- (ret == 0 && seq > sarea->last_dispatch) ||
- (ret == 0 && sarea->last_dispatch - seq >= (1 << 24)));
-
- if ( ret ) {
- fprintf( stderr, "%s: drmI830IrqWait: %d\n", __FUNCTION__, ret );
-
- exit(1);
- }
- }
-}
-
-
-void intel_batch_ioctl( struct intel_context *intel,
- GLuint start_offset,
- GLuint used,
- GLboolean ignore_cliprects,
- GLboolean allow_unlock )
-{
- drmI830BatchBuffer batch;
-
- assert(intel->locked);
- assert(used);
-
- if (0)
- fprintf(stderr, "%s used %d offset %x..%x\n",
- __FUNCTION__,
- used,
- start_offset,
- start_offset + used);
-
- batch.start = start_offset;
- batch.used = used;
- batch.cliprects = NULL;
- batch.num_cliprects = 0;
- batch.DR1 = 0;
- batch.DR4 = 0;
-
- if (INTEL_DEBUG & DEBUG_DMA)
- fprintf(stderr, "%s: 0x%x..0x%x\n",
- __FUNCTION__,
- batch.start,
- batch.start + batch.used * 4);
-
- if (!intel->no_hw) {
- if (drmCommandWrite (intel->driFd, DRM_I830_BATCHBUFFER, &batch,
- sizeof(batch))) {
- fprintf(stderr, "DRM_I830_BATCHBUFFER: %d\n", -errno);
- UNLOCK_HARDWARE(intel);
- exit(1);
- }
- }
-}
-
-void
-intel_exec_ioctl(struct intel_context *intel,
- GLuint used,
- GLboolean ignore_cliprects, GLboolean allow_unlock,
- void *start, GLuint count, dri_fence **fence)
-{
- struct drm_i915_execbuffer execbuf;
- dri_fence *fo;
- int i;
-
- assert(intel->locked);
- assert(used);
-
- if (*fence) {
- dri_fence_unreference(*fence);
- }
-
- memset(&execbuf, 0, sizeof(execbuf));
-
- execbuf.num_buffers = count;
- execbuf.batch.used = used;
- execbuf.batch.cliprects = intel->pClipRects;
- execbuf.batch.num_cliprects = ignore_cliprects ? 0 : intel->numClipRects;
- execbuf.batch.DR1 = 0;
- execbuf.batch.DR4 = ((((GLuint) intel->drawX) & 0xffff) |
- (((GLuint) intel->drawY) << 16));
-
- execbuf.ops_list = (unsigned long)start; // TODO
- execbuf.fence_arg.flags = DRM_FENCE_FLAG_SHAREABLE | DRM_I915_FENCE_FLAG_FLUSHED;
-
- if (intel->no_hw)
- return;
-
- if (drmCommandWriteRead(intel->driFd, DRM_I915_EXECBUFFER, &execbuf,
- sizeof(execbuf))) {
- fprintf(stderr, "DRM_I830_EXECBUFFER: %d\n", -errno);
- UNLOCK_HARDWARE(intel);
- exit(1);
- }
-
-
- fo = intel_ttm_fence_create_from_arg(intel->bufmgr, "fence buffers",
- &execbuf.fence_arg);
- if (!fo) {
- fprintf(stderr, "failed to fence handle: %08x\n", execbuf.fence_arg.handle);
- UNLOCK_HARDWARE(intel);
- exit(1);
- }
- *fence = fo;
-}
+../intel/intel_ioctl.c \ No newline at end of file
diff --git a/src/mesa/drivers/dri/intel/intel_ioctl.c b/src/mesa/drivers/dri/intel/intel_ioctl.c
new file mode 100644
index 0000000000..34287964c0
--- /dev/null
+++ b/src/mesa/drivers/dri/intel/intel_ioctl.c
@@ -0,0 +1,198 @@
+/**************************************************************************
+ *
+ * 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 "intel_blit.h"
+#include "intel_regions.h"
+#include "drm.h"
+#include "i915_drm.h"
+
+#include "intel_bufmgr_ttm.h"
+
+#define FILE_DEBUG_FLAG DEBUG_IOCTL
+
+int
+intelEmitIrqLocked(struct intel_context *intel)
+{
+ drmI830IrqEmit ie;
+ int ret, seq = 1;
+
+ if (intel->no_hw)
+ return 1;
+
+ /*
+ assert(((*(int *)intel->driHwLock) & ~DRM_LOCK_CONT) ==
+ (DRM_LOCK_HELD|intel->hHWContext));
+ */
+
+ 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);
+ }
+
+ DBG("%s --> %d\n", __FUNCTION__, seq);
+
+ return seq;
+}
+
+void
+intelWaitIrq(struct intel_context *intel, int seq)
+{
+ drm_i915_irq_wait_t iw;
+ int ret, lastdispatch;
+ volatile drmI830Sarea *sarea = intel->sarea;
+
+ if (intel->no_hw)
+ return;
+
+ DBG("%s %d\n", __FUNCTION__, seq);
+
+ iw.irq_seq = seq;
+
+ do {
+ lastdispatch = sarea->last_dispatch;
+ ret = drmCommandWrite(intel->driFd, DRM_I830_IRQ_WAIT, &iw, sizeof(iw));
+ } while (ret == -EAGAIN ||
+ ret == -EINTR ||
+ (ret == -EBUSY && lastdispatch != sarea->last_dispatch) ||
+ (ret == 0 && seq > sarea->last_dispatch) ||
+ (ret == 0 && sarea->last_dispatch - seq >= (1 << 24)));
+
+ if (ret) {
+ fprintf(stderr, "%s: drmI830IrqWait: %d\n", __FUNCTION__, ret);
+ exit(1);
+ }
+}
+
+
+void
+intel_batch_ioctl(struct intel_context *intel,
+ GLuint start_offset,
+ GLuint used,
+ GLboolean ignore_cliprects, GLboolean allow_unlock)
+{
+ drmI830BatchBuffer batch;
+
+ if (intel->no_hw)
+ return;
+
+ assert(intel->locked);
+ assert(used);
+
+ DBG("%s used %d offset %x..%x ignore_cliprects %d\n",
+ __FUNCTION__,
+ used, start_offset, start_offset + used, ignore_cliprects);
+
+ /* Throw away non-effective packets. Won't work once we have
+ * hardware contexts which would preserve statechanges beyond a
+ * single buffer.
+ */
+ batch.start = start_offset;
+ batch.used = used;
+ 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));
+
+ DBG("%s: 0x%x..0x%x DR4: %x cliprects: %d\n",
+ __FUNCTION__,
+ batch.start,
+ batch.start + batch.used * 4, batch.DR4, batch.num_cliprects);
+
+ if (drmCommandWrite(intel->driFd, DRM_I830_BATCHBUFFER, &batch,
+ sizeof(batch))) {
+ fprintf(stderr, "DRM_I830_BATCHBUFFER: %d\n", -errno);
+ UNLOCK_HARDWARE(intel);
+ exit(1);
+ }
+}
+
+void
+intel_exec_ioctl(struct intel_context *intel,
+ GLuint used,
+ GLboolean ignore_cliprects, GLboolean allow_unlock,
+ void *start, GLuint count, dri_fence **fence)
+{
+ struct drm_i915_execbuffer execbuf;
+ dri_fence *fo;
+
+ assert(intel->locked);
+ assert(used);
+
+ if (intel->no_hw)
+ return;
+
+ if (*fence) {
+ dri_fence_unreference(*fence);
+ }
+
+ memset(&execbuf, 0, sizeof(execbuf));
+
+ execbuf.num_buffers = count;
+ execbuf.batch.used = used;
+ execbuf.batch.cliprects = intel->pClipRects;
+ execbuf.batch.num_cliprects = ignore_cliprects ? 0 : intel->numClipRects;
+ execbuf.batch.DR1 = 0;
+ execbuf.batch.DR4 = ((((GLuint) intel->drawX) & 0xffff) |
+ (((GLuint) intel->drawY) << 16));
+
+ execbuf.ops_list = (unsigned long)start; // TODO
+ execbuf.fence_arg.flags = DRM_FENCE_FLAG_SHAREABLE | DRM_I915_FENCE_FLAG_FLUSHED;
+
+ if (drmCommandWriteRead(intel->driFd, DRM_I915_EXECBUFFER, &execbuf,
+ sizeof(execbuf))) {
+ fprintf(stderr, "DRM_I830_EXECBUFFER: %d\n", -errno);
+ UNLOCK_HARDWARE(intel);
+ exit(1);
+ }
+
+
+ fo = intel_ttm_fence_create_from_arg(intel->bufmgr, "fence buffers",
+ &execbuf.fence_arg);
+ if (!fo) {
+ fprintf(stderr, "failed to fence handle: %08x\n", execbuf.fence_arg.handle);
+ UNLOCK_HARDWARE(intel);
+ exit(1);
+ }
+ *fence = fo;
+}
generated by cgit v1.2.3 (git 2.51.0) at 2025-11-04 04:35:21 +0000