#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
GLuint width, GLuint height, GLuint pitch,
GLuint handle, const char *name)
{
- struct intel_region *region;
+ struct intel_region *region, *dummy;
dri_bo *buffer;
int ret;
+ 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);
region = intel_region_alloc_internal(intel, cpp,
return NULL;
}
+ region->name = handle;
+ region->screen = intel->intelScreen;
+ _mesa_HashInsert(intel->intelScreen->named_regions, handle, region);
+
return region;
}
region->pbo = NULL;
dri_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);
}
intel_region_cow(intel, dst);
}
- LOCK_HARDWARE(intel);
+ intel_prepare_render(intel);
+
_mesa_copy_rect(intel_region_map(intel, dst) + dst_offset,
dst->cpp,
dst->pitch,
dstx, dsty, width, height, src, src_pitch, srcx, srcy);
intel_region_unmap(intel, dst);
- UNLOCK_HARDWARE(intel);
}
/* Copy rectangular sub-regions. Need better logic about when to
region->pbo->region = region;
dri_bo_reference(buffer);
region->buffer = buffer;
+ region->tiling = I915_TILING_NONE;
}
/* Now blit from the texture buffer to the new buffer:
*/
- LOCK_HARDWARE(intel);
+ intel_prepare_render(intel);
ok = intelEmitCopyBlit(intel,
region->cpp,
region->pitch, pbo->buffer, 0, region->tiling,
region->pitch, region->height,
GL_COPY);
assert(ok);
- UNLOCK_HARDWARE(intel);
}
dri_bo *
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;
- _DBG("%s creating new region %p\n", __FUNCTION__, region);
- }
- else {
- _DBG("%s %p\n", __FUNCTION__, region);
- }
-
- 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 (intel->gen >= 4 && 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