diff options
Diffstat (limited to 'src/gallium/drivers/i965/brw_screen_buffers.c')
-rw-r--r-- | src/gallium/drivers/i965/brw_screen_buffers.c | 202 |
1 files changed, 0 insertions, 202 deletions
diff --git a/src/gallium/drivers/i965/brw_screen_buffers.c b/src/gallium/drivers/i965/brw_screen_buffers.c deleted file mode 100644 index 0b38885f40..0000000000 --- a/src/gallium/drivers/i965/brw_screen_buffers.c +++ /dev/null @@ -1,202 +0,0 @@ - -#include "util/u_memory.h" -#include "util/u_math.h" - -#include "pipe/p_state.h" -#include "pipe/p_defines.h" -#include "util/u_inlines.h" - -#include "brw_screen.h" -#include "brw_winsys.h" - - - -static void * -brw_buffer_map_range( struct pipe_screen *screen, - struct pipe_buffer *buffer, - unsigned offset, - unsigned length, - unsigned usage ) -{ - struct brw_screen *bscreen = brw_screen(screen); - struct brw_winsys_screen *sws = bscreen->sws; - struct brw_buffer *buf = brw_buffer( buffer ); - - if (buf->user_buffer) - return buf->user_buffer; - - return sws->bo_map( buf->bo, - BRW_DATA_OTHER, - offset, - length, - (usage & PIPE_BUFFER_USAGE_CPU_WRITE) ? TRUE : FALSE, - (usage & PIPE_BUFFER_USAGE_DISCARD) ? TRUE : FALSE, - (usage & PIPE_BUFFER_USAGE_FLUSH_EXPLICIT) ? TRUE : FALSE); -} - -static void * -brw_buffer_map( struct pipe_screen *screen, - struct pipe_buffer *buffer, - unsigned usage ) -{ - struct brw_screen *bscreen = brw_screen(screen); - struct brw_winsys_screen *sws = bscreen->sws; - struct brw_buffer *buf = brw_buffer( buffer ); - - if (buf->user_buffer) - return buf->user_buffer; - - return sws->bo_map( buf->bo, - BRW_DATA_OTHER, - 0, - buf->base.size, - (usage & PIPE_BUFFER_USAGE_CPU_WRITE) ? TRUE : FALSE, - FALSE, - FALSE); -} - - -static void -brw_buffer_flush_mapped_range( struct pipe_screen *screen, - struct pipe_buffer *buffer, - unsigned offset, - unsigned length ) -{ - struct brw_screen *bscreen = brw_screen(screen); - struct brw_winsys_screen *sws = bscreen->sws; - struct brw_buffer *buf = brw_buffer( buffer ); - - if (buf->user_buffer) - return; - - sws->bo_flush_range( buf->bo, - offset, - length ); -} - - -static void -brw_buffer_unmap( struct pipe_screen *screen, - struct pipe_buffer *buffer ) -{ - struct brw_screen *bscreen = brw_screen(screen); - struct brw_winsys_screen *sws = bscreen->sws; - struct brw_buffer *buf = brw_buffer( buffer ); - - if (buf->bo) - sws->bo_unmap(buf->bo); -} - -static void -brw_buffer_destroy( struct pipe_buffer *buffer ) -{ - struct brw_buffer *buf = brw_buffer( buffer ); - - assert(!p_atomic_read(&buffer->reference.count)); - - bo_reference(&buf->bo, NULL); - FREE(buf); -} - - -static struct pipe_buffer * -brw_buffer_create(struct pipe_screen *screen, - unsigned alignment, - unsigned usage, - unsigned size) -{ - struct brw_screen *bscreen = brw_screen(screen); - struct brw_winsys_screen *sws = bscreen->sws; - struct brw_buffer *buf; - unsigned buffer_type; - enum pipe_error ret; - - buf = CALLOC_STRUCT(brw_buffer); - if (!buf) - return NULL; - - pipe_reference_init(&buf->base.reference, 1); - buf->base.screen = screen; - buf->base.alignment = alignment; - buf->base.usage = usage; - buf->base.size = size; - - switch (usage & (PIPE_BUFFER_USAGE_VERTEX | - PIPE_BUFFER_USAGE_INDEX | - PIPE_BUFFER_USAGE_PIXEL | - PIPE_BUFFER_USAGE_CONSTANT)) - { - case PIPE_BUFFER_USAGE_VERTEX: - case PIPE_BUFFER_USAGE_INDEX: - case (PIPE_BUFFER_USAGE_VERTEX|PIPE_BUFFER_USAGE_INDEX): - buffer_type = BRW_BUFFER_TYPE_VERTEX; - break; - - case PIPE_BUFFER_USAGE_PIXEL: - buffer_type = BRW_BUFFER_TYPE_PIXEL; - break; - - case PIPE_BUFFER_USAGE_CONSTANT: - buffer_type = BRW_BUFFER_TYPE_SHADER_CONSTANTS; - break; - - default: - buffer_type = BRW_BUFFER_TYPE_GENERIC; - break; - } - - ret = sws->bo_alloc( sws, buffer_type, - size, alignment, - &buf->bo ); - if (ret != PIPE_OK) - return NULL; - - return &buf->base; -} - - -static struct pipe_buffer * -brw_user_buffer_create(struct pipe_screen *screen, - void *ptr, - unsigned bytes) -{ - struct brw_buffer *buf; - - buf = CALLOC_STRUCT(brw_buffer); - if (!buf) - return NULL; - - buf->user_buffer = ptr; - - pipe_reference_init(&buf->base.reference, 1); - buf->base.screen = screen; - buf->base.alignment = 1; - buf->base.usage = 0; - buf->base.size = bytes; - - return &buf->base; -} - - -boolean brw_is_buffer_referenced_by_bo( struct brw_screen *brw_screen, - struct pipe_buffer *buffer, - struct brw_winsys_buffer *bo ) -{ - struct brw_buffer *buf = brw_buffer(buffer); - if (buf->bo == NULL) - return FALSE; - - return brw_screen->sws->bo_references( bo, buf->bo ); -} - - -void brw_screen_buffer_init(struct brw_screen *brw_screen) -{ - brw_screen->base.buffer_create = brw_buffer_create; - brw_screen->base.user_buffer_create = brw_user_buffer_create; - brw_screen->base.buffer_map = brw_buffer_map; - brw_screen->base.buffer_map_range = brw_buffer_map_range; - brw_screen->base.buffer_flush_mapped_range = brw_buffer_flush_mapped_range; - brw_screen->base.buffer_unmap = brw_buffer_unmap; - brw_screen->base.buffer_destroy = brw_buffer_destroy; -} |