r600g: Get rid of leftover PB_USAGE_* flags.

These happen to work because their values are the same as the equivalent
PIPE_TRANSFER_* flags, but it's still misleading.

Signed-off-by: Henri Verbeet <hverbeet@gmail.com>

src/gallium/drivers/r600/r600_pipe.c

@@ -62,7 +62,7 @@ static struct r600_fence *r600_create_fence(struct r600_pipe_context *ctx)
 			R600_ERR("r600: failed to create bo for fence objects\n");
 			return NULL;
 		}
-		ctx->fences.data = r600_bo_map(ctx->radeon, ctx->fences.bo, PB_USAGE_UNSYNCHRONIZED, NULL);
+		ctx->fences.data = r600_bo_map(ctx->radeon, ctx->fences.bo, PIPE_TRANSFER_UNSYNCHRONIZED, NULL);
 	}
 
 	if (!LIST_IS_EMPTY(&ctx->fences.pool)) {

src/gallium/drivers/r600/r600_texture.c

@@ -689,7 +689,6 @@ void* r600_texture_transfer_map(struct pipe_context *ctx,
 	enum pipe_format format = transfer->resource->format;
 	struct radeon *radeon = (struct radeon *)ctx->screen->winsys;
 	unsigned offset = 0;
-	unsigned usage = 0;
 	char *map;
 
 	if (rtransfer->staging_texture) {
@@ -707,30 +706,7 @@ void* r600_texture_transfer_map(struct pipe_context *ctx,
 			transfer->box.x / util_format_get_blockwidth(format) * util_format_get_blocksize(format);
 	}
 
-	if (transfer->usage & PIPE_TRANSFER_WRITE) {
-		usage |= PB_USAGE_CPU_WRITE;
-
-		if (transfer->usage & PIPE_TRANSFER_DISCARD) {
-		}
-
-		if (transfer->usage & PIPE_TRANSFER_FLUSH_EXPLICIT) {
-		}
-	}
-
-	if (transfer->usage & PIPE_TRANSFER_READ) {
-		usage |= PB_USAGE_CPU_READ;
-	}
-
-	if (transfer->usage & PIPE_TRANSFER_DONTBLOCK) {
-		usage |= PB_USAGE_DONTBLOCK;
-	}
-
-	if (transfer->usage & PIPE_TRANSFER_UNSYNCHRONIZED) {
-		usage |= PB_USAGE_UNSYNCHRONIZED;
-	}
-
-	map = r600_bo_map(radeon, bo, usage, ctx);
-	if (!map) {
+	if (!(map = r600_bo_map(radeon, bo, transfer->usage, ctx))) {
 		return NULL;
 	}
 

src/gallium/winsys/r600/drm/r600_bo.c

@@ -126,13 +126,13 @@ void *r600_bo_map(struct radeon *radeon, struct r600_bo *bo, unsigned usage, voi
 {
 	struct pipe_context *pctx = ctx;
 
-	if (usage & PB_USAGE_UNSYNCHRONIZED) {
+	if (usage & PIPE_TRANSFER_UNSYNCHRONIZED) {
 		radeon_bo_map(radeon, bo->bo);
 		return (uint8_t *) bo->bo->data + bo->offset;
 	}
 
 	if (p_atomic_read(&bo->bo->reference.count) > 1) {
-		if (usage & PB_USAGE_DONTBLOCK) {
+		if (usage & PIPE_TRANSFER_DONTBLOCK) {
 			return NULL;
 		}
 		if (ctx) {
@@ -140,7 +140,7 @@ void *r600_bo_map(struct radeon *radeon, struct r600_bo *bo, unsigned usage, voi
 		}
 	}
 
-	if (usage & PB_USAGE_DONTBLOCK) {
+	if (usage & PIPE_TRANSFER_DONTBLOCK) {
 		uint32_t domain;
 
 		if (radeon_bo_busy(radeon, bo->bo, &domain))

src/gallium/winsys/r600/drm/r600_drm.c

@@ -249,7 +249,7 @@ static int radeon_init_fence(struct radeon *radeon)
 	if (radeon->fence_bo == NULL) {
 		return -ENOMEM;
 	}
-	radeon->cfence = r600_bo_map(radeon, radeon->fence_bo, PB_USAGE_UNSYNCHRONIZED, NULL);
+	radeon->cfence = r600_bo_map(radeon, radeon->fence_bo, PIPE_TRANSFER_UNSYNCHRONIZED, NULL);
 	*radeon->cfence = 0;
 	return 0;
 }

src/gallium/winsys/r600/drm/r600_hw_context.c

@@ -1704,9 +1704,9 @@ static boolean r600_query_result(struct r600_context *ctx, struct r600_query *qu
 	u32 *results, *current_result;
 
 	if (wait)
-		results = r600_bo_map(ctx->radeon, query->buffer, PB_USAGE_CPU_READ, NULL);
+		results = r600_bo_map(ctx->radeon, query->buffer, PIPE_TRANSFER_READ, NULL);
 	else
-		results = r600_bo_map(ctx->radeon, query->buffer, PB_USAGE_DONTBLOCK | PB_USAGE_CPU_READ, NULL);
+		results = r600_bo_map(ctx->radeon, query->buffer, PIPE_TRANSFER_DONTBLOCK | PIPE_TRANSFER_READ, NULL);
 	if (!results)
 		return FALSE;
 
@@ -1777,7 +1777,7 @@ void r600_query_begin(struct r600_context *ctx, struct r600_query *query)
 		u32 *results;
 		int i;
 
-		results = r600_bo_map(ctx->radeon, query->buffer, PB_USAGE_CPU_WRITE, NULL);
+		results = r600_bo_map(ctx->radeon, query->buffer, PIPE_TRANSFER_WRITE, NULL);
 		if (results) {
 			results = (u32*)((char*)results + query->results_end);
 			memset(results, 0, query->result_size);