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-rw-r--r--src/mesa/drivers/dri/i965/intel_buffer_objects.c102
-rw-r--r--src/mesa/drivers/dri/i965/intel_buffer_objects.h3
2 files changed, 4 insertions, 101 deletions
diff --git a/src/mesa/drivers/dri/i965/intel_buffer_objects.c b/src/mesa/drivers/dri/i965/intel_buffer_objects.c
index 57ff60b1f19..a8cd713aa9f 100644
--- a/src/mesa/drivers/dri/i965/intel_buffer_objects.c
+++ b/src/mesa/drivers/dri/i965/intel_buffer_objects.c
@@ -104,8 +104,6 @@ intel_bufferobj_free(struct gl_context * ctx, struct gl_buffer_object *obj)
if (obj->Pointer)
intel_bufferobj_unmap(ctx, obj);
- free(intel_obj->sys_buffer);
-
drm_intel_bo_unreference(intel_obj->buffer);
free(intel_obj);
}
@@ -141,9 +139,6 @@ intel_bufferobj_data(struct gl_context * ctx,
if (intel_obj->buffer != NULL)
release_buffer(intel_obj);
- free(intel_obj->sys_buffer);
- intel_obj->sys_buffer = NULL;
-
if (size != 0) {
intel_bufferobj_alloc_buffer(intel, intel_obj);
if (!intel_obj->buffer)
@@ -178,21 +173,6 @@ intel_bufferobj_subdata(struct gl_context * ctx,
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);
@@ -238,14 +218,10 @@ intel_bufferobj_get_subdata(struct gl_context * ctx,
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);
+ 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);
}
@@ -283,22 +259,6 @@ intel_bufferobj_map_range(struct gl_context * ctx,
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;
@@ -413,9 +373,7 @@ intel_bufferobj_unmap(struct gl_context * ctx, struct gl_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) {
+ 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
@@ -459,17 +417,6 @@ intel_bufferobj_buffer(struct intel_context *intel,
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;
}
@@ -611,13 +558,6 @@ 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;
}
@@ -638,37 +578,6 @@ intel_bufferobj_copy_subdata(struct gl_context *ctx,
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);
@@ -706,9 +615,6 @@ intel_buffer_object_purgeable(struct gl_context * ctx,
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)? */
diff --git a/src/mesa/drivers/dri/i965/intel_buffer_objects.h b/src/mesa/drivers/dri/i965/intel_buffer_objects.h
index 92a4121ce50..11be027e4d6 100644
--- a/src/mesa/drivers/dri/i965/intel_buffer_objects.h
+++ b/src/mesa/drivers/dri/i965/intel_buffer_objects.h
@@ -43,9 +43,6 @@ struct intel_buffer_object
drm_intel_bo *buffer; /* the low-level buffer manager's buffer handle */
GLuint offset; /* any offset into that buffer */
- /** System memory buffer data, if not using a BO to store the data. */
- void *sys_buffer;
-
drm_intel_bo *range_map_bo;
void *range_map_buffer;
unsigned int range_map_offset;