X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fmesa%2Fdrivers%2Fdri%2Fi915%2Fintel_buffer_objects.c;h=1e794e15123101ac2e83f2e98e93ff3459051d6d;hb=877128505431adaf817dc8069172ebe4a1cdf5d8;hp=e06dd3c8d3c54014cf16e795a8c3d139b2ebfb59;hpb=0c31661e73dd2979df22a275452efc71c7064f81;p=mesa.git diff --git a/src/mesa/drivers/dri/i915/intel_buffer_objects.c b/src/mesa/drivers/dri/i915/intel_buffer_objects.c deleted file mode 120000 index e06dd3c8d3c..00000000000 --- a/src/mesa/drivers/dri/i915/intel_buffer_objects.c +++ /dev/null @@ -1 +0,0 @@ -../intel/intel_buffer_objects.c \ No newline at end of file diff --git a/src/mesa/drivers/dri/i915/intel_buffer_objects.c b/src/mesa/drivers/dri/i915/intel_buffer_objects.c new file mode 100644 index 00000000000..1e794e15123 --- /dev/null +++ b/src/mesa/drivers/dri/i915/intel_buffer_objects.c @@ -0,0 +1,777 @@ +/************************************************************************** + * + * Copyright 2003 VMware, Inc. + * 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 VMWARE 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 "main/imports.h" +#include "main/mtypes.h" +#include "main/macros.h" +#include "main/bufferobj.h" + +#include "intel_blit.h" +#include "intel_buffer_objects.h" +#include "intel_batchbuffer.h" +#include "intel_context.h" +#include "intel_fbo.h" +#include "intel_mipmap_tree.h" +#include "intel_regions.h" + +static GLboolean +intel_bufferobj_unmap(struct gl_context * ctx, struct gl_buffer_object *obj); + +/** Allocates a new drm_intel_bo to store the data for the buffer object. */ +static void +intel_bufferobj_alloc_buffer(struct intel_context *intel, + struct intel_buffer_object *intel_obj) +{ + intel_obj->buffer = drm_intel_bo_alloc(intel->bufmgr, "bufferobj", + intel_obj->Base.Size, 64); +} + +static void +release_buffer(struct intel_buffer_object *intel_obj) +{ + drm_intel_bo_unreference(intel_obj->buffer); + intel_obj->buffer = NULL; + intel_obj->offset = 0; + intel_obj->source = 0; +} + +/** + * There is some duplication between mesa's bufferobjects and our + * bufmgr buffers. Both have an integer handle and a hashtable to + * lookup an opaque structure. It would be nice if the handles and + * internal structure where somehow shared. + */ +static struct gl_buffer_object * +intel_bufferobj_alloc(struct gl_context * ctx, GLuint name, GLenum target) +{ + struct intel_buffer_object *obj = CALLOC_STRUCT(intel_buffer_object); + + _mesa_initialize_buffer_object(ctx, &obj->Base, name, target); + + obj->buffer = NULL; + + return &obj->Base; +} + +/** + * Deallocate/free a vertex/pixel buffer object. + * Called via glDeleteBuffersARB(). + */ +static void +intel_bufferobj_free(struct gl_context * ctx, struct gl_buffer_object *obj) +{ + struct intel_buffer_object *intel_obj = intel_buffer_object(obj); + + assert(intel_obj); + + /* Buffer objects are automatically unmapped when deleting according + * to the spec, but Mesa doesn't do UnmapBuffer for us at context destroy + * (though it does if you call glDeleteBuffers) + */ + if (obj->Pointer) + intel_bufferobj_unmap(ctx, obj); + + free(intel_obj->sys_buffer); + + drm_intel_bo_unreference(intel_obj->buffer); + free(intel_obj); +} + + + +/** + * Allocate space for and store data in a buffer object. Any data that was + * previously stored in the buffer object is lost. If data is NULL, + * memory will be allocated, but no copy will occur. + * Called via ctx->Driver.BufferData(). + * \return true for success, false if out of memory + */ +static GLboolean +intel_bufferobj_data(struct gl_context * ctx, + GLenum target, + GLsizeiptrARB size, + const GLvoid * data, + GLenum usage, struct gl_buffer_object *obj) +{ + struct intel_context *intel = intel_context(ctx); + struct intel_buffer_object *intel_obj = intel_buffer_object(obj); + + intel_obj->Base.Size = size; + intel_obj->Base.Usage = usage; + + assert(!obj->Pointer); /* Mesa should have unmapped it */ + + if (intel_obj->buffer != NULL) + release_buffer(intel_obj); + + free(intel_obj->sys_buffer); + intel_obj->sys_buffer = NULL; + + if (size != 0) { + /* Stick VBOs in system memory, as we're always doing swtnl with their + * contents anyway. + */ + if (target == GL_ARRAY_BUFFER || target == GL_ELEMENT_ARRAY_BUFFER) { + intel_obj->sys_buffer = malloc(size); + if (intel_obj->sys_buffer != NULL) { + if (data != NULL) + memcpy(intel_obj->sys_buffer, data, size); + return true; + } + } + + intel_bufferobj_alloc_buffer(intel, intel_obj); + if (!intel_obj->buffer) + return false; + + if (data != NULL) + drm_intel_bo_subdata(intel_obj->buffer, 0, size, data); + } + + return true; +} + + +/** + * Replace data in a subrange of buffer object. If the data range + * specified by size + offset extends beyond the end of the buffer or + * if data is NULL, no copy is performed. + * Called via glBufferSubDataARB(). + */ +static void +intel_bufferobj_subdata(struct gl_context * ctx, + GLintptrARB offset, + GLsizeiptrARB size, + const GLvoid * data, struct gl_buffer_object *obj) +{ + struct intel_context *intel = intel_context(ctx); + struct intel_buffer_object *intel_obj = intel_buffer_object(obj); + bool busy; + + if (size == 0) + return; + + assert(intel_obj); + + /* If we have a single copy in system memory, update that */ + if (intel_obj->sys_buffer) { + if (intel_obj->source) + release_buffer(intel_obj); + + if (intel_obj->buffer == NULL) { + memcpy((char *)intel_obj->sys_buffer + offset, data, size); + return; + } + + free(intel_obj->sys_buffer); + intel_obj->sys_buffer = NULL; + } + + /* Otherwise we need to update the copy in video memory. */ + busy = + drm_intel_bo_busy(intel_obj->buffer) || + drm_intel_bo_references(intel->batch.bo, intel_obj->buffer); + + if (busy) { + if (size == intel_obj->Base.Size) { + /* Replace the current busy bo with fresh data. */ + drm_intel_bo_unreference(intel_obj->buffer); + intel_bufferobj_alloc_buffer(intel, intel_obj); + drm_intel_bo_subdata(intel_obj->buffer, 0, size, data); + } else { + perf_debug("Using a blit copy to avoid stalling on %ldb " + "glBufferSubData() to a busy buffer object.\n", + (long)size); + drm_intel_bo *temp_bo = + drm_intel_bo_alloc(intel->bufmgr, "subdata temp", size, 64); + + drm_intel_bo_subdata(temp_bo, 0, size, data); + + intel_emit_linear_blit(intel, + intel_obj->buffer, offset, + temp_bo, 0, + size); + + drm_intel_bo_unreference(temp_bo); + } + } else { + drm_intel_bo_subdata(intel_obj->buffer, offset, size, data); + } +} + + +/** + * Called via glGetBufferSubDataARB(). + */ +static void +intel_bufferobj_get_subdata(struct gl_context * ctx, + GLintptrARB offset, + GLsizeiptrARB size, + GLvoid * data, struct gl_buffer_object *obj) +{ + struct intel_buffer_object *intel_obj = intel_buffer_object(obj); + struct intel_context *intel = intel_context(ctx); + + assert(intel_obj); + if (intel_obj->sys_buffer) + memcpy(data, (char *)intel_obj->sys_buffer + offset, size); + else { + if (drm_intel_bo_references(intel->batch.bo, intel_obj->buffer)) { + intel_batchbuffer_flush(intel); + } + drm_intel_bo_get_subdata(intel_obj->buffer, offset, size, data); + } +} + + + +/** + * Called via glMapBufferRange and glMapBuffer + * + * The goal of this extension is to allow apps to accumulate their rendering + * at the same time as they accumulate their buffer object. Without it, + * you'd end up blocking on execution of rendering every time you mapped + * the buffer to put new data in. + * + * We support it in 3 ways: If unsynchronized, then don't bother + * flushing the batchbuffer before mapping the buffer, which can save blocking + * in many cases. If we would still block, and they allow the whole buffer + * to be invalidated, then just allocate a new buffer to replace the old one. + * If not, and we'd block, and they allow the subrange of the buffer to be + * invalidated, then we can make a new little BO, let them write into that, + * and blit it into the real BO at unmap time. + */ +static void * +intel_bufferobj_map_range(struct gl_context * ctx, + GLintptr offset, GLsizeiptr length, + GLbitfield access, struct gl_buffer_object *obj) +{ + struct intel_context *intel = intel_context(ctx); + struct intel_buffer_object *intel_obj = intel_buffer_object(obj); + + assert(intel_obj); + + /* _mesa_MapBufferRange (GL entrypoint) sets these, but the vbo module also + * internally uses our functions directly. + */ + obj->Offset = offset; + obj->Length = length; + obj->AccessFlags = access; + + if (intel_obj->sys_buffer) { + const bool read_only = + (access & (GL_MAP_READ_BIT | GL_MAP_WRITE_BIT)) == GL_MAP_READ_BIT; + + if (!read_only && intel_obj->source) + release_buffer(intel_obj); + + if (!intel_obj->buffer || intel_obj->source) { + obj->Pointer = intel_obj->sys_buffer + offset; + return obj->Pointer; + } + + free(intel_obj->sys_buffer); + intel_obj->sys_buffer = NULL; + } + + if (intel_obj->buffer == NULL) { + obj->Pointer = NULL; + return NULL; + } + + /* If the access is synchronized (like a normal buffer mapping), then get + * things flushed out so the later mapping syncs appropriately through GEM. + * If the user doesn't care about existing buffer contents and mapping would + * cause us to block, then throw out the old buffer. + * + * If they set INVALIDATE_BUFFER, we can pitch the current contents to + * achieve the required synchronization. + */ + if (!(access & GL_MAP_UNSYNCHRONIZED_BIT)) { + if (drm_intel_bo_references(intel->batch.bo, intel_obj->buffer)) { + if (access & GL_MAP_INVALIDATE_BUFFER_BIT) { + drm_intel_bo_unreference(intel_obj->buffer); + intel_bufferobj_alloc_buffer(intel, intel_obj); + } else { + perf_debug("Stalling on the GPU for mapping a busy buffer " + "object\n"); + intel_flush(ctx); + } + } else if (drm_intel_bo_busy(intel_obj->buffer) && + (access & GL_MAP_INVALIDATE_BUFFER_BIT)) { + drm_intel_bo_unreference(intel_obj->buffer); + intel_bufferobj_alloc_buffer(intel, intel_obj); + } + } + + /* If the user is mapping a range of an active buffer object but + * doesn't require the current contents of that range, make a new + * BO, and we'll copy what they put in there out at unmap or + * FlushRange time. + */ + if ((access & GL_MAP_INVALIDATE_RANGE_BIT) && + drm_intel_bo_busy(intel_obj->buffer)) { + if (access & GL_MAP_FLUSH_EXPLICIT_BIT) { + intel_obj->range_map_buffer = malloc(length); + obj->Pointer = intel_obj->range_map_buffer; + } else { + intel_obj->range_map_bo = drm_intel_bo_alloc(intel->bufmgr, + "range map", + length, 64); + if (!(access & GL_MAP_READ_BIT)) { + drm_intel_gem_bo_map_gtt(intel_obj->range_map_bo); + } else { + drm_intel_bo_map(intel_obj->range_map_bo, + (access & GL_MAP_WRITE_BIT) != 0); + } + obj->Pointer = intel_obj->range_map_bo->virtual; + } + return obj->Pointer; + } + + if (access & GL_MAP_UNSYNCHRONIZED_BIT) + drm_intel_gem_bo_map_unsynchronized(intel_obj->buffer); + else if (!(access & GL_MAP_READ_BIT)) { + drm_intel_gem_bo_map_gtt(intel_obj->buffer); + } else { + drm_intel_bo_map(intel_obj->buffer, (access & GL_MAP_WRITE_BIT) != 0); + } + + obj->Pointer = intel_obj->buffer->virtual + offset; + return obj->Pointer; +} + +/* Ideally we'd use a BO to avoid taking up cache space for the temporary + * data, but FlushMappedBufferRange may be followed by further writes to + * the pointer, so we would have to re-map after emitting our blit, which + * would defeat the point. + */ +static void +intel_bufferobj_flush_mapped_range(struct gl_context *ctx, + GLintptr offset, GLsizeiptr length, + struct gl_buffer_object *obj) +{ + struct intel_context *intel = intel_context(ctx); + struct intel_buffer_object *intel_obj = intel_buffer_object(obj); + drm_intel_bo *temp_bo; + + /* Unless we're in the range map using a temporary system buffer, + * there's no work to do. + */ + if (intel_obj->range_map_buffer == NULL) + return; + + if (length == 0) + return; + + temp_bo = drm_intel_bo_alloc(intel->bufmgr, "range map flush", length, 64); + + drm_intel_bo_subdata(temp_bo, 0, length, intel_obj->range_map_buffer); + + intel_emit_linear_blit(intel, + intel_obj->buffer, obj->Offset + offset, + temp_bo, 0, + length); + + drm_intel_bo_unreference(temp_bo); +} + + +/** + * Called via glUnmapBuffer(). + */ +static GLboolean +intel_bufferobj_unmap(struct gl_context * ctx, struct gl_buffer_object *obj) +{ + struct intel_context *intel = intel_context(ctx); + struct intel_buffer_object *intel_obj = intel_buffer_object(obj); + + assert(intel_obj); + assert(obj->Pointer); + if (intel_obj->sys_buffer != NULL) { + /* always keep the mapping around. */ + } else if (intel_obj->range_map_buffer != NULL) { + /* Since we've emitted some blits to buffers that will (likely) be used + * in rendering operations in other cache domains in this batch, emit a + * flush. Once again, we wish for a domain tracker in libdrm to cover + * usage inside of a batchbuffer. + */ + intel_batchbuffer_emit_mi_flush(intel); + free(intel_obj->range_map_buffer); + intel_obj->range_map_buffer = NULL; + } else if (intel_obj->range_map_bo != NULL) { + drm_intel_bo_unmap(intel_obj->range_map_bo); + + intel_emit_linear_blit(intel, + intel_obj->buffer, obj->Offset, + intel_obj->range_map_bo, 0, + obj->Length); + + /* Since we've emitted some blits to buffers that will (likely) be used + * in rendering operations in other cache domains in this batch, emit a + * flush. Once again, we wish for a domain tracker in libdrm to cover + * usage inside of a batchbuffer. + */ + intel_batchbuffer_emit_mi_flush(intel); + + drm_intel_bo_unreference(intel_obj->range_map_bo); + intel_obj->range_map_bo = NULL; + } else if (intel_obj->buffer != NULL) { + drm_intel_bo_unmap(intel_obj->buffer); + } + obj->Pointer = NULL; + obj->Offset = 0; + obj->Length = 0; + + return true; +} + +drm_intel_bo * +intel_bufferobj_buffer(struct intel_context *intel, + struct intel_buffer_object *intel_obj, + GLuint flag) +{ + if (intel_obj->source) + release_buffer(intel_obj); + + if (intel_obj->buffer == NULL) { + intel_bufferobj_alloc_buffer(intel, intel_obj); + drm_intel_bo_subdata(intel_obj->buffer, + 0, intel_obj->Base.Size, + intel_obj->sys_buffer); + + free(intel_obj->sys_buffer); + intel_obj->sys_buffer = NULL; + intel_obj->offset = 0; + } + + return intel_obj->buffer; +} + +#define INTEL_UPLOAD_SIZE (64*1024) + +void +intel_upload_finish(struct intel_context *intel) +{ + if (!intel->upload.bo) + return; + + if (intel->upload.buffer_len) { + drm_intel_bo_subdata(intel->upload.bo, + intel->upload.buffer_offset, + intel->upload.buffer_len, + intel->upload.buffer); + intel->upload.buffer_len = 0; + } + + drm_intel_bo_unreference(intel->upload.bo); + intel->upload.bo = NULL; +} + +static void wrap_buffers(struct intel_context *intel, GLuint size) +{ + intel_upload_finish(intel); + + if (size < INTEL_UPLOAD_SIZE) + size = INTEL_UPLOAD_SIZE; + + intel->upload.bo = drm_intel_bo_alloc(intel->bufmgr, "upload", size, 0); + intel->upload.offset = 0; +} + +void intel_upload_data(struct intel_context *intel, + const void *ptr, GLuint size, GLuint align, + drm_intel_bo **return_bo, + GLuint *return_offset) +{ + GLuint base, delta; + + base = (intel->upload.offset + align - 1) / align * align; + if (intel->upload.bo == NULL || base + size > intel->upload.bo->size) { + wrap_buffers(intel, size); + base = 0; + } + + drm_intel_bo_reference(intel->upload.bo); + *return_bo = intel->upload.bo; + *return_offset = base; + + delta = base - intel->upload.offset; + if (intel->upload.buffer_len && + intel->upload.buffer_len + delta + size > sizeof(intel->upload.buffer)) + { + drm_intel_bo_subdata(intel->upload.bo, + intel->upload.buffer_offset, + intel->upload.buffer_len, + intel->upload.buffer); + intel->upload.buffer_len = 0; + } + + if (size < sizeof(intel->upload.buffer)) + { + if (intel->upload.buffer_len == 0) + intel->upload.buffer_offset = base; + else + intel->upload.buffer_len += delta; + + memcpy(intel->upload.buffer + intel->upload.buffer_len, ptr, size); + intel->upload.buffer_len += size; + } + else + { + drm_intel_bo_subdata(intel->upload.bo, base, size, ptr); + } + + intel->upload.offset = base + size; +} + +drm_intel_bo * +intel_bufferobj_source(struct intel_context *intel, + struct intel_buffer_object *intel_obj, + GLuint align, GLuint *offset) +{ + if (intel_obj->buffer == NULL) { + intel_upload_data(intel, + intel_obj->sys_buffer, intel_obj->Base.Size, align, + &intel_obj->buffer, &intel_obj->offset); + intel_obj->source = 1; + } + + *offset = intel_obj->offset; + return intel_obj->buffer; +} + +static void +intel_bufferobj_copy_subdata(struct gl_context *ctx, + struct gl_buffer_object *src, + struct gl_buffer_object *dst, + GLintptr read_offset, GLintptr write_offset, + GLsizeiptr size) +{ + struct intel_context *intel = intel_context(ctx); + struct intel_buffer_object *intel_src = intel_buffer_object(src); + struct intel_buffer_object *intel_dst = intel_buffer_object(dst); + drm_intel_bo *src_bo, *dst_bo; + GLuint src_offset; + + if (size == 0) + return; + + /* If we're in system memory, just map and memcpy. */ + if (intel_src->sys_buffer || intel_dst->sys_buffer) { + /* The same buffer may be used, but note that regions copied may + * not overlap. + */ + if (src == dst) { + char *ptr = intel_bufferobj_map_range(ctx, 0, dst->Size, + GL_MAP_READ_BIT | + GL_MAP_WRITE_BIT, + dst); + memmove(ptr + write_offset, ptr + read_offset, size); + intel_bufferobj_unmap(ctx, dst); + } else { + const char *src_ptr; + char *dst_ptr; + + src_ptr = intel_bufferobj_map_range(ctx, 0, src->Size, + GL_MAP_READ_BIT, src); + dst_ptr = intel_bufferobj_map_range(ctx, 0, dst->Size, + GL_MAP_WRITE_BIT, dst); + + memcpy(dst_ptr + write_offset, src_ptr + read_offset, size); + + intel_bufferobj_unmap(ctx, src); + intel_bufferobj_unmap(ctx, dst); + } + return; + } + + /* Otherwise, we have real BOs, so blit them. */ + + dst_bo = intel_bufferobj_buffer(intel, intel_dst, INTEL_WRITE_PART); + src_bo = intel_bufferobj_source(intel, intel_src, 64, &src_offset); + + intel_emit_linear_blit(intel, + dst_bo, write_offset, + src_bo, read_offset + src_offset, size); + + /* Since we've emitted some blits to buffers that will (likely) be used + * in rendering operations in other cache domains in this batch, emit a + * flush. Once again, we wish for a domain tracker in libdrm to cover + * usage inside of a batchbuffer. + */ + intel_batchbuffer_emit_mi_flush(intel); +} + +static GLenum +intel_buffer_purgeable(drm_intel_bo *buffer) +{ + int retained = 0; + + if (buffer != NULL) + retained = drm_intel_bo_madvise (buffer, I915_MADV_DONTNEED); + + return retained ? GL_VOLATILE_APPLE : GL_RELEASED_APPLE; +} + +static GLenum +intel_buffer_object_purgeable(struct gl_context * ctx, + struct gl_buffer_object *obj, + GLenum option) +{ + struct intel_buffer_object *intel_obj = intel_buffer_object (obj); + + if (intel_obj->buffer != NULL) + return intel_buffer_purgeable(intel_obj->buffer); + + if (option == GL_RELEASED_APPLE) { + free(intel_obj->sys_buffer); + intel_obj->sys_buffer = NULL; + + return GL_RELEASED_APPLE; + } else { + /* XXX Create the buffer and madvise(MADV_DONTNEED)? */ + struct intel_context *intel = intel_context(ctx); + drm_intel_bo *bo = intel_bufferobj_buffer(intel, intel_obj, INTEL_READ); + + return intel_buffer_purgeable(bo); + } +} + +static GLenum +intel_texture_object_purgeable(struct gl_context * ctx, + struct gl_texture_object *obj, + GLenum option) +{ + struct intel_texture_object *intel; + + (void) ctx; + (void) option; + + intel = intel_texture_object(obj); + if (intel->mt == NULL || intel->mt->region == NULL) + return GL_RELEASED_APPLE; + + return intel_buffer_purgeable(intel->mt->region->bo); +} + +static GLenum +intel_render_object_purgeable(struct gl_context * ctx, + struct gl_renderbuffer *obj, + GLenum option) +{ + struct intel_renderbuffer *intel; + + (void) ctx; + (void) option; + + intel = intel_renderbuffer(obj); + if (intel->mt == NULL) + return GL_RELEASED_APPLE; + + return intel_buffer_purgeable(intel->mt->region->bo); +} + +static GLenum +intel_buffer_unpurgeable(drm_intel_bo *buffer) +{ + int retained; + + retained = 0; + if (buffer != NULL) + retained = drm_intel_bo_madvise (buffer, I915_MADV_WILLNEED); + + return retained ? GL_RETAINED_APPLE : GL_UNDEFINED_APPLE; +} + +static GLenum +intel_buffer_object_unpurgeable(struct gl_context * ctx, + struct gl_buffer_object *obj, + GLenum option) +{ + (void) ctx; + (void) option; + + return intel_buffer_unpurgeable(intel_buffer_object (obj)->buffer); +} + +static GLenum +intel_texture_object_unpurgeable(struct gl_context * ctx, + struct gl_texture_object *obj, + GLenum option) +{ + struct intel_texture_object *intel; + + (void) ctx; + (void) option; + + intel = intel_texture_object(obj); + if (intel->mt == NULL || intel->mt->region == NULL) + return GL_UNDEFINED_APPLE; + + return intel_buffer_unpurgeable(intel->mt->region->bo); +} + +static GLenum +intel_render_object_unpurgeable(struct gl_context * ctx, + struct gl_renderbuffer *obj, + GLenum option) +{ + struct intel_renderbuffer *intel; + + (void) ctx; + (void) option; + + intel = intel_renderbuffer(obj); + if (intel->mt == NULL) + return GL_UNDEFINED_APPLE; + + return intel_buffer_unpurgeable(intel->mt->region->bo); +} + +void +intelInitBufferObjectFuncs(struct dd_function_table *functions) +{ + functions->NewBufferObject = intel_bufferobj_alloc; + functions->DeleteBuffer = intel_bufferobj_free; + functions->BufferData = intel_bufferobj_data; + functions->BufferSubData = intel_bufferobj_subdata; + functions->GetBufferSubData = intel_bufferobj_get_subdata; + functions->MapBufferRange = intel_bufferobj_map_range; + functions->FlushMappedBufferRange = intel_bufferobj_flush_mapped_range; + functions->UnmapBuffer = intel_bufferobj_unmap; + functions->CopyBufferSubData = intel_bufferobj_copy_subdata; + + functions->BufferObjectPurgeable = intel_buffer_object_purgeable; + functions->TextureObjectPurgeable = intel_texture_object_purgeable; + functions->RenderObjectPurgeable = intel_render_object_purgeable; + + functions->BufferObjectUnpurgeable = intel_buffer_object_unpurgeable; + functions->TextureObjectUnpurgeable = intel_texture_object_unpurgeable; + functions->RenderObjectUnpurgeable = intel_render_object_unpurgeable; +}