#include <sys/ioctl.h>
#include <errno.h>
+#include "main/hash.h"
#include "intel_context.h"
#include "intel_regions.h"
#include "intel_blit.h"
#include "intel_buffer_objects.h"
#include "intel_bufmgr.h"
#include "intel_batchbuffer.h"
-#include "intel_chipset.h"
#define FILE_DEBUG_FLAG DEBUG_REGION
+/* This should be set to the maximum backtrace size desired.
+ * Set it to 0 to disable backtrace debugging.
+ */
+#define DEBUG_BACKTRACE_SIZE 0
+
+#if DEBUG_BACKTRACE_SIZE == 0
+/* Use the standard debug output */
+#define _DBG(...) DBG(__VA_ARGS__)
+#else
+/* Use backtracing debug output */
+#define _DBG(...) {debug_backtrace(); DBG(__VA_ARGS__);}
+
+/* Backtracing debug support */
+#include <execinfo.h>
+
+static void
+debug_backtrace(void)
+{
+ void *trace[DEBUG_BACKTRACE_SIZE];
+ char **strings = NULL;
+ int traceSize;
+ register int i;
+
+ traceSize = backtrace(trace, DEBUG_BACKTRACE_SIZE);
+ strings = backtrace_symbols(trace, traceSize);
+ if (strings == NULL) {
+ DBG("no backtrace:");
+ return;
+ }
+
+ /* Spit out all the strings with a colon separator. Ignore
+ * the first, since we don't really care about the call
+ * to debug_backtrace() itself. Skip until the final "/" in
+ * the trace to avoid really long lines.
+ */
+ for (i = 1; i < traceSize; i++) {
+ char *p = strings[i], *slash = strings[i];
+ while (*p) {
+ if (*p++ == '/') {
+ slash = p;
+ }
+ }
+
+ DBG("%s:", slash);
+ }
+
+ /* Free up the memory, and we're done */
+ free(strings);
+}
+
+#endif
+
+
+
/* XXX: Thread safety?
*/
GLubyte *
intel_region_map(struct intel_context *intel, struct intel_region *region)
{
- DBG("%s\n", __FUNCTION__);
+ intel_flush(&intel->ctx);
+
+ _DBG("%s %p\n", __FUNCTION__, region);
if (!region->map_refcount++) {
if (region->pbo)
intel_region_cow(intel, region);
- dri_bo_map(region->buffer, GL_TRUE);
+ if (region->tiling != I915_TILING_NONE)
+ drm_intel_gem_bo_map_gtt(region->buffer);
+ else
+ drm_intel_bo_map(region->buffer, GL_TRUE);
region->map = region->buffer->virtual;
}
void
intel_region_unmap(struct intel_context *intel, struct intel_region *region)
{
- DBG("%s\n", __FUNCTION__);
+ _DBG("%s %p\n", __FUNCTION__, region);
if (!--region->map_refcount) {
- dri_bo_unmap(region->buffer);
+ if (region->tiling != I915_TILING_NONE)
+ drm_intel_gem_bo_unmap_gtt(region->buffer);
+ else
+ drm_intel_bo_unmap(region->buffer);
region->map = NULL;
}
}
intel_region_alloc_internal(struct intel_context *intel,
GLuint cpp,
GLuint width, GLuint height, GLuint pitch,
- dri_bo *buffer)
+ drm_intel_bo *buffer)
{
struct intel_region *region;
- DBG("%s\n", __FUNCTION__);
-
- if (buffer == NULL)
+ if (buffer == NULL) {
+ _DBG("%s <-- NULL\n", __FUNCTION__);
return NULL;
+ }
region = calloc(sizeof(*region), 1);
+ if (region == NULL)
+ return region;
+
region->cpp = cpp;
region->width = width;
region->height = height;
/* Default to no tiling */
region->tiling = I915_TILING_NONE;
- region->bit_6_swizzle = I915_BIT_6_SWIZZLE_NONE;
+ _DBG("%s <-- %p\n", __FUNCTION__, region);
return region;
}
struct intel_region *
intel_region_alloc(struct intel_context *intel,
- GLuint cpp, GLuint width, GLuint height, GLuint pitch,
+ uint32_t tiling,
+ GLuint cpp, GLuint width, GLuint height,
GLboolean expect_accelerated_upload)
{
- dri_bo *buffer;
-
- if (expect_accelerated_upload) {
- buffer = drm_intel_bo_alloc_for_render(intel->bufmgr, "region",
- pitch * cpp * height, 64);
- } else {
- buffer = drm_intel_bo_alloc(intel->bufmgr, "region",
- pitch * cpp * height, 64);
- }
+ drm_intel_bo *buffer;
+ struct intel_region *region;
+ unsigned long flags = 0;
+ unsigned long aligned_pitch;
+
+ if (expect_accelerated_upload)
+ flags |= BO_ALLOC_FOR_RENDER;
+
+ buffer = drm_intel_bo_alloc_tiled(intel->bufmgr, "region",
+ width, height, cpp,
+ &tiling, &aligned_pitch, flags);
- return intel_region_alloc_internal(intel, cpp, width, height, pitch, buffer);
+ region = intel_region_alloc_internal(intel, cpp, width, height,
+ aligned_pitch / cpp, buffer);
+ if (region == NULL)
+ return region;
+
+ region->tiling = tiling;
+
+ return region;
}
struct intel_region *
GLuint width, GLuint height, GLuint pitch,
GLuint handle, const char *name)
{
- struct intel_region *region;
- dri_bo *buffer;
+ struct intel_region *region, *dummy;
+ drm_intel_bo *buffer;
int ret;
+ uint32_t bit_6_swizzle;
+
+ region = _mesa_HashLookup(intel->intelScreen->named_regions, handle);
+ if (region != NULL) {
+ dummy = NULL;
+ if (region->width != width || region->height != height ||
+ region->cpp != cpp || region->pitch != pitch) {
+ fprintf(stderr,
+ "Region for name %d already exists but is not compatible\n",
+ handle);
+ return NULL;
+ }
+ intel_region_reference(&dummy, region);
+ return dummy;
+ }
buffer = intel_bo_gem_create_from_name(intel->bufmgr, name, handle);
if (region == NULL)
return region;
- ret = dri_bo_get_tiling(region->buffer, ®ion->tiling,
- ®ion->bit_6_swizzle);
+ ret = drm_intel_bo_get_tiling(region->buffer, ®ion->tiling,
+ &bit_6_swizzle);
if (ret != 0) {
fprintf(stderr, "Couldn't get tiling of buffer %d (%s): %s\n",
handle, name, strerror(-ret));
return NULL;
}
+ region->name = handle;
+ region->screen = intel->intelScreen;
+ _mesa_HashInsert(intel->intelScreen->named_regions, handle, region);
+
return region;
}
intel_region_reference(struct intel_region **dst, struct intel_region *src)
{
if (src)
- DBG("%s %p %d\n", __FUNCTION__, src, src->refcount);
+ _DBG("%s %p %d\n", __FUNCTION__, src, src->refcount);
assert(*dst == NULL);
if (src) {
{
struct intel_region *region = *region_handle;
- if (region == NULL)
+ if (region == NULL) {
+ _DBG("%s NULL\n", __FUNCTION__);
return;
+ }
- DBG("%s %p %d\n", __FUNCTION__, region, region->refcount - 1);
+ _DBG("%s %p %d\n", __FUNCTION__, region, region->refcount - 1);
ASSERT(region->refcount > 0);
region->refcount--;
if (region->pbo)
region->pbo->region = NULL;
region->pbo = NULL;
- dri_bo_unreference(region->buffer);
+ drm_intel_bo_unreference(region->buffer);
- if (region->classic_map != NULL) {
- drmUnmap(region->classic_map,
- region->pitch * region->cpp * region->height);
- }
+ if (region->name > 0)
+ _mesa_HashRemove(region->screen->named_regions, region->name);
free(region);
}
dst += dst_x * cpp;
src += src_x * cpp;
dst += dst_y * dst_pitch;
- src += src_y * dst_pitch;
+ src += src_y * src_pitch;
width *= cpp;
if (width == dst_pitch && width == src_pitch)
const void *src, GLuint src_pitch,
GLuint srcx, GLuint srcy, GLuint width, GLuint height)
{
- GLboolean locked = GL_FALSE;
-
- DBG("%s\n", __FUNCTION__);
+ _DBG("%s\n", __FUNCTION__);
if (intel == NULL)
return;
intel_region_cow(intel, dst);
}
- if (!intel->locked) {
- LOCK_HARDWARE(intel);
- locked = GL_TRUE;
- }
+ intel_prepare_render(intel);
_mesa_copy_rect(intel_region_map(intel, dst) + dst_offset,
dst->cpp,
dstx, dsty, width, height, src, src_pitch, srcx, srcy);
intel_region_unmap(intel, dst);
-
- if (locked)
- UNLOCK_HARDWARE(intel);
-
}
/* Copy rectangular sub-regions. Need better logic about when to
* push buffers into AGP - will currently do so whenever possible.
*/
-void
+GLboolean
intel_region_copy(struct intel_context *intel,
struct intel_region *dst,
GLuint dst_offset,
GLuint dstx, GLuint dsty,
struct intel_region *src,
GLuint src_offset,
- GLuint srcx, GLuint srcy, GLuint width, GLuint height)
+ GLuint srcx, GLuint srcy, GLuint width, GLuint height,
+ GLboolean flip,
+ GLenum logicop)
{
- DBG("%s\n", __FUNCTION__);
+ uint32_t src_pitch = src->pitch;
+
+ _DBG("%s\n", __FUNCTION__);
if (intel == NULL)
- return;
+ return GL_FALSE;
if (dst->pbo) {
if (dstx == 0 &&
assert(src->cpp == dst->cpp);
- intelEmitCopyBlit(intel,
- dst->cpp,
- src->pitch, src->buffer, src_offset, src->tiling,
- dst->pitch, dst->buffer, dst_offset, dst->tiling,
- srcx, srcy, dstx, dsty, width, height,
- GL_COPY);
-}
+ if (flip)
+ src_pitch = -src_pitch;
-/* Fill a rectangular sub-region. Need better logic about when to
- * push buffers into AGP - will currently do so whenever possible.
- */
-void
-intel_region_fill(struct intel_context *intel,
- struct intel_region *dst,
- GLuint dst_offset,
- GLuint dstx, GLuint dsty,
- GLuint width, GLuint height, GLuint color)
-{
- DBG("%s\n", __FUNCTION__);
-
- if (intel == NULL)
- return;
-
- if (dst->pbo) {
- if (dstx == 0 &&
- dsty == 0 && width == dst->pitch && height == dst->height)
- intel_region_release_pbo(intel, dst);
- else
- intel_region_cow(intel, dst);
- }
-
- intelEmitFillBlit(intel,
- dst->cpp,
- dst->pitch, dst->buffer, dst_offset, dst->tiling,
- dstx, dsty, width, height, color);
+ return intelEmitCopyBlit(intel,
+ dst->cpp,
+ src_pitch, src->buffer, src_offset, src->tiling,
+ dst->pitch, dst->buffer, dst_offset, dst->tiling,
+ srcx, srcy, dstx, dsty, width, height,
+ logicop);
}
/* Attach to a pbo, discarding our data. Effectively zero-copy upload
struct intel_region *region,
struct intel_buffer_object *pbo)
{
+ drm_intel_bo *buffer;
+
if (region->pbo == pbo)
return;
+ _DBG("%s %p %p\n", __FUNCTION__, region, pbo);
+
/* If there is already a pbo attached, break the cow tie now.
* Don't call intel_region_release_pbo() as that would
* unnecessarily allocate a new buffer we would have to immediately
}
if (region->buffer) {
- dri_bo_unreference(region->buffer);
+ drm_intel_bo_unreference(region->buffer);
region->buffer = NULL;
}
+ /* make sure pbo has a buffer of its own */
+ buffer = intel_bufferobj_buffer(intel, pbo, INTEL_WRITE_FULL);
+
region->pbo = pbo;
region->pbo->region = region;
- dri_bo_reference(pbo->buffer);
- region->buffer = pbo->buffer;
+ drm_intel_bo_reference(buffer);
+ region->buffer = buffer;
+ region->tiling = I915_TILING_NONE;
}
intel_region_release_pbo(struct intel_context *intel,
struct intel_region *region)
{
+ _DBG("%s %p\n", __FUNCTION__, region);
assert(region->buffer == region->pbo->buffer);
region->pbo->region = NULL;
region->pbo = NULL;
- dri_bo_unreference(region->buffer);
+ drm_intel_bo_unreference(region->buffer);
region->buffer = NULL;
- region->buffer = dri_bo_alloc(intel->bufmgr, "region",
- region->pitch * region->cpp * region->height,
- 64);
+ region->buffer = drm_intel_bo_alloc(intel->bufmgr, "region",
+ region->pitch * region->cpp *
+ region->height,
+ 64);
}
/* Break the COW tie to the pbo. Both the pbo and the region end up
intel_region_cow(struct intel_context *intel, struct intel_region *region)
{
struct intel_buffer_object *pbo = region->pbo;
- GLboolean was_locked = intel->locked;
-
- if (intel == NULL)
- return;
+ GLboolean ok;
intel_region_release_pbo(intel, region);
assert(region->cpp * region->pitch * region->height == pbo->Base.Size);
- DBG("%s (%d bytes)\n", __FUNCTION__, pbo->Base.Size);
+ _DBG("%s %p (%d bytes)\n", __FUNCTION__, region, pbo->Base.Size);
/* Now blit from the texture buffer to the new buffer:
*/
- was_locked = intel->locked;
- if (!was_locked)
- LOCK_HARDWARE(intel);
-
- intelEmitCopyBlit(intel,
- region->cpp,
- region->pitch, region->buffer, 0, region->tiling,
- region->pitch, pbo->buffer, 0, region->tiling,
- 0, 0, 0, 0,
- region->pitch, region->height,
- GL_COPY);
-
- if (!was_locked)
- UNLOCK_HARDWARE(intel);
+ intel_prepare_render(intel);
+ ok = intelEmitCopyBlit(intel,
+ region->cpp,
+ region->pitch, pbo->buffer, 0, region->tiling,
+ region->pitch, region->buffer, 0, region->tiling,
+ 0, 0, 0, 0,
+ region->pitch, region->height,
+ GL_COPY);
+ assert(ok);
}
-dri_bo *
+drm_intel_bo *
intel_region_buffer(struct intel_context *intel,
struct intel_region *region, GLuint flag)
{
return region->buffer;
}
-
-static struct intel_region *
-intel_recreate_static(struct intel_context *intel,
- const char *name,
- struct intel_region *region,
- intelRegion *region_desc)
-{
- intelScreenPrivate *intelScreen = intel->intelScreen;
- int ret;
-
- if (region == NULL) {
- region = calloc(sizeof(*region), 1);
- region->refcount = 1;
- }
-
- if (intel->ctx.Visual.rgbBits == 24)
- region->cpp = 4;
- else
- region->cpp = intel->ctx.Visual.rgbBits / 8;
- region->pitch = intelScreen->pitch;
- region->width = intelScreen->width;
- region->height = intelScreen->height;
-
- if (region->buffer != NULL) {
- dri_bo_unreference(region->buffer);
- region->buffer = NULL;
- }
-
- if (intel->ttm) {
- assert(region_desc->bo_handle != -1);
- region->buffer = intel_bo_gem_create_from_name(intel->bufmgr,
- name,
- region_desc->bo_handle);
-
- ret = dri_bo_get_tiling(region->buffer, ®ion->tiling,
- ®ion->bit_6_swizzle);
- if (ret != 0) {
- fprintf(stderr, "Couldn't get tiling of buffer %d (%s): %s\n",
- region_desc->bo_handle, name, strerror(-ret));
- intel_region_release(®ion);
- return NULL;
- }
- } else {
- if (region->classic_map != NULL) {
- drmUnmap(region->classic_map,
- region->pitch * region->cpp * region->height);
- region->classic_map = NULL;
- }
- ret = drmMap(intel->driFd, region_desc->handle,
- region->pitch * region->cpp * region->height,
- ®ion->classic_map);
- if (ret != 0) {
- fprintf(stderr, "Failed to drmMap %s buffer\n", name);
- free(region);
- return NULL;
- }
-
- region->buffer = intel_bo_fake_alloc_static(intel->bufmgr,
- name,
- region_desc->offset,
- region->pitch * region->cpp *
- region->height,
- region->classic_map);
-
- /* The sarea just gives us a boolean for whether it's tiled or not,
- * instead of which tiling mode it is. Guess.
- */
- if (region_desc->tiled) {
- if (IS_965(intel->intelScreen->deviceID) &&
- region_desc == &intelScreen->depth)
- region->tiling = I915_TILING_Y;
- else
- region->tiling = I915_TILING_X;
- } else {
- region->tiling = I915_TILING_NONE;
- }
-
- region->bit_6_swizzle = I915_BIT_6_SWIZZLE_NONE;
- }
-
- assert(region->buffer != NULL);
-
- return region;
-}
-
-/**
- * Create intel_region structs to describe the static front, back, and depth
- * buffers created by the xserver.
- *
- * Although FBO's mean we now no longer use these as render targets in
- * all circumstances, they won't go away until the back and depth
- * buffers become private, and the front buffer will remain even then.
- *
- * Note that these don't allocate video memory, just describe
- * allocations alread made by the X server.
- */
-void
-intel_recreate_static_regions(struct intel_context *intel)
-{
- intelScreenPrivate *intelScreen = intel->intelScreen;
-
- intel->front_region =
- intel_recreate_static(intel, "front",
- intel->front_region,
- &intelScreen->front);
-
- intel->back_region =
- intel_recreate_static(intel, "back",
- intel->back_region,
- &intelScreen->back);
-
- /* Still assumes front.cpp == depth.cpp. We can kill this when we move to
- * private buffers.
- */
- intel->depth_region =
- intel_recreate_static(intel, "depth",
- intel->depth_region,
- &intelScreen->depth);
-}
projects / mesa.git / blobdiff