Merge branch '7.8'

[mesa.git] / src / gallium / drivers / i965 / brw_batchbuffer.c

diff --git a/src/gallium/drivers/i965/brw_batchbuffer.c b/src/gallium/drivers/i965/brw_batchbuffer.c
index a55be6faab0dd637693a77f586554d57cc949dac..003b1fd5bf0f807be9fdc6bd8fe397587470152d 100644 (file)
--- a/src/gallium/drivers/i965/brw_batchbuffer.c
+++ b/src/gallium/drivers/i965/brw_batchbuffer.c
@@ -28,14 +28,11 @@
 #include "util/u_memory.h"
 
 #include "brw_batchbuffer.h"
-//#include "brw_decode.h"
 #include "brw_reg.h"
 #include "brw_winsys.h"
 #include "brw_debug.h"
 #include "brw_structs.h"
-#include "intel_decode.h"
 
-#define USE_MALLOC_BUFFER 1
 #define ALWAYS_EMIT_MI_FLUSH 1
 
 enum pipe_error
@@ -50,14 +47,18 @@ brw_batchbuffer_reset(struct brw_batchbuffer *batch)
    if (ret)
       return ret;
 
-   if (batch->malloc_buffer)
-      batch->map = batch->malloc_buffer;
-   else 
-      batch->map = batch->sws->bo_map(batch->buf,
-                                      BRW_DATA_BATCH_BUFFER,
-                                      GL_TRUE);
-
    batch->size = BRW_BATCH_SIZE;
+
+   /* With map_range semantics, the winsys can decide whether to
+    * inject a malloc'ed bounce buffer instead of mapping directly.
+    */
+   batch->map = batch->sws->bo_map(batch->buf,
+                                   BRW_DATA_BATCH_BUFFER,
+                                   0, batch->size,
+                                   GL_TRUE,
+                                   GL_TRUE,
+                                   GL_TRUE);
+
    batch->ptr = batch->map;
    return PIPE_OK;
 }
@@ -68,11 +69,6 @@ brw_batchbuffer_alloc(struct brw_winsys_screen *sws,
 {
    struct brw_batchbuffer *batch = CALLOC_STRUCT(brw_batchbuffer);
 
-   batch->use_malloc_buffer = USE_MALLOC_BUFFER;
-   if (batch->use_malloc_buffer) {
-      batch->malloc_buffer = MALLOC(BRW_BATCH_SIZE);
-   }
-
    batch->sws = sws;
    batch->chipset = chipset;
    brw_batchbuffer_reset(batch);
@@ -83,11 +79,7 @@ brw_batchbuffer_alloc(struct brw_winsys_screen *sws,
 void
 brw_batchbuffer_free(struct brw_batchbuffer *batch)
 {
-   if (batch->malloc_buffer) {
-      FREE(batch->malloc_buffer);
-      batch->map = NULL;
-   }
-   else if (batch->map) {
+   if (batch->map) {
       batch->sws->bo_unmap(batch->buf);
       batch->map = NULL;
    }
@@ -134,18 +126,9 @@ _brw_batchbuffer_flush(struct brw_batchbuffer *batch,
    batch->ptr += 4;
    used = batch->ptr - batch->map;
 
-   if (batch->use_malloc_buffer) {
-      batch->sws->bo_subdata(batch->buf, 
-                             BRW_DATA_BATCH_BUFFER,
-                             0, used,
-                             batch->map );
-      batch->map = NULL;
-   }
-   else {
-      batch->sws->bo_unmap(batch->buf);
-      batch->map = NULL;
-   }
-
+   batch->sws->bo_flush_range(batch->buf, 0, used);
+   batch->sws->bo_unmap(batch->buf);
+   batch->map = NULL;
    batch->ptr = NULL;
       
    batch->sws->bo_exec(batch->buf, used );
@@ -172,7 +155,7 @@ _brw_batchbuffer_flush(struct brw_batchbuffer *batch,
 enum pipe_error
 brw_batchbuffer_emit_reloc(struct brw_batchbuffer *batch,
                           struct brw_winsys_buffer *buffer,
-                          uint32_t usage,
+                          enum brw_buffer_usage usage,
                           uint32_t delta)
 {
    int ret;