diff options
Diffstat (limited to 'src/mesa/drivers/dri/intel/intel_regions.c')
| -rw-r--r-- | src/mesa/drivers/dri/intel/intel_regions.c | 24 |
1 files changed, 23 insertions, 1 deletions
diff --git a/src/mesa/drivers/dri/intel/intel_regions.c b/src/mesa/drivers/dri/intel/intel_regions.c index e2859e44f9..881653ff01 100644 --- a/src/mesa/drivers/dri/intel/intel_regions.c +++ b/src/mesa/drivers/dri/intel/intel_regions.c @@ -42,6 +42,7 @@ #include <sys/ioctl.h> #include <errno.h> +#include <main/hash.h> #include "intel_context.h" #include "intel_regions.h" #include "intel_blit.h" @@ -228,10 +229,24 @@ intel_region_alloc_for_handle(struct intel_context *intel, 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, @@ -248,6 +263,10 @@ intel_region_alloc_for_handle(struct intel_context *intel, return NULL; } + region->name = handle; + region->screen = intel->intelScreen; + _mesa_HashInsert(intel->intelScreen->named_regions, handle, region); + return region; } @@ -287,6 +306,9 @@ intel_region_release(struct intel_region **region_handle) region->pbo = NULL; dri_bo_unreference(region->buffer); + if (region->name > 0) + _mesa_HashRemove(region->screen->named_regions, region->name); + free(region); } *region_handle = NULL; |