diff options
Diffstat (limited to 'src/mesa/drivers/dri/intel/intel_buffer_objects.c')
| -rw-r--r-- | src/mesa/drivers/dri/intel/intel_buffer_objects.c | 853 |
1 files changed, 0 insertions, 853 deletions
diff --git a/src/mesa/drivers/dri/intel/intel_buffer_objects.c b/src/mesa/drivers/dri/intel/intel_buffer_objects.c deleted file mode 100644 index f568864..0000000 --- a/src/mesa/drivers/dri/intel/intel_buffer_objects.c +++ /dev/null @@ -1,853 +0,0 @@ -/************************************************************************** - * - * 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 "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" - -#ifndef I915 -#include "brw_context.h" -#endif - -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); - -#ifndef I915 - /* the buffer might be bound as a uniform buffer, need to update it - */ - { - struct brw_context *brw = brw_context(&intel->ctx); - brw->state.dirty.brw |= BRW_NEW_UNIFORM_BUFFER; - } -#endif -} - -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); - - /* Part of the ABI, but this function doesn't use it. - */ -#ifndef I915 - (void) target; -#endif - - 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) { -#ifdef I915 - /* On pre-965, 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; - } - } -#endif - 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; -} - -void *intel_upload_map(struct intel_context *intel, GLuint size, GLuint align) -{ - GLuint base, delta; - char *ptr; - - 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; - } - - 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; - - ptr = intel->upload.buffer + intel->upload.buffer_len; - intel->upload.buffer_len += size; - } else - ptr = malloc(size); - - return ptr; -} - -void intel_upload_unmap(struct intel_context *intel, - const void *ptr, GLuint size, GLuint align, - drm_intel_bo **return_bo, - GLuint *return_offset) -{ - GLuint base; - - base = (intel->upload.offset + align - 1) / align * align; - if (size > sizeof(intel->upload.buffer)) { - drm_intel_bo_subdata(intel->upload.bo, base, size, ptr); - free((void*)ptr); - } - - drm_intel_bo_reference(intel->upload.bo); - *return_bo = intel->upload.bo; - *return_offset = base; - - 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; -} |