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authorMatthieu Herrb <matthieu@cvs.openbsd.org>2010-05-22 20:06:39 +0000
committerMatthieu Herrb <matthieu@cvs.openbsd.org>2010-05-22 20:06:39 +0000
commitaca48d4468c7360eebe114372261237dfd326366 (patch)
tree0a16251dfd7bd3edd37c8da55a753fc501c33c4c /dist/Mesa/src/mesa/drivers/dri/nouveau/nouveau_bufferobj.c
parentbe5e6de483520135642d4178eb0e9e91f86d9555 (diff)
Update to Mesa 7.8.1. Tested on a bulk ports build by naddy@, ok oga@.
Diffstat (limited to 'dist/Mesa/src/mesa/drivers/dri/nouveau/nouveau_bufferobj.c')
-rw-r--r--dist/Mesa/src/mesa/drivers/dri/nouveau/nouveau_bufferobj.c172
1 files changed, 172 insertions, 0 deletions
diff --git a/dist/Mesa/src/mesa/drivers/dri/nouveau/nouveau_bufferobj.c b/dist/Mesa/src/mesa/drivers/dri/nouveau/nouveau_bufferobj.c
new file mode 100644
index 000000000..5906ad6d3
--- /dev/null
+++ b/dist/Mesa/src/mesa/drivers/dri/nouveau/nouveau_bufferobj.c
@@ -0,0 +1,172 @@
+/*
+ * Copyright (C) 2009 Francisco Jerez.
+ * 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, sublicense, 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 NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) 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 "nouveau_driver.h"
+#include "nouveau_bufferobj.h"
+#include "nouveau_context.h"
+
+#include "main/bufferobj.h"
+
+static struct gl_buffer_object *
+nouveau_bufferobj_new(GLcontext *ctx, GLuint buffer, GLenum target)
+{
+ struct nouveau_bufferobj *nbo;
+
+ nbo = CALLOC_STRUCT(nouveau_bufferobj);
+ if (!nbo)
+ return NULL;
+
+ _mesa_initialize_buffer_object(&nbo->base, buffer, target);
+
+ return &nbo->base;
+}
+
+static void
+nouveau_bufferobj_del(GLcontext *ctx, struct gl_buffer_object *obj)
+{
+ struct nouveau_bufferobj *nbo = to_nouveau_bufferobj(obj);
+
+ nouveau_bo_ref(NULL, &nbo->bo);
+ FREE(nbo);
+}
+
+static GLboolean
+nouveau_bufferobj_data(GLcontext *ctx, GLenum target, GLsizeiptrARB size,
+ const GLvoid *data, GLenum usage,
+ struct gl_buffer_object *obj)
+{
+ struct nouveau_bufferobj *nbo = to_nouveau_bufferobj(obj);
+ int ret;
+
+ obj->Size = size;
+ obj->Usage = usage;
+
+ nouveau_bo_ref(NULL, &nbo->bo);
+ ret = nouveau_bo_new(context_dev(ctx),
+ NOUVEAU_BO_GART | NOUVEAU_BO_MAP, 0,
+ size, &nbo->bo);
+ assert(!ret);
+
+ if (data) {
+ nouveau_bo_map(nbo->bo, NOUVEAU_BO_WR);
+ memcpy(nbo->bo->map, data, size);
+ nouveau_bo_unmap(nbo->bo);
+ }
+
+ return GL_TRUE;
+}
+
+static void
+nouveau_bufferobj_subdata(GLcontext *ctx, GLenum target, GLintptrARB offset,
+ GLsizeiptrARB size, const GLvoid *data,
+ struct gl_buffer_object *obj)
+{
+ struct nouveau_bufferobj *nbo = to_nouveau_bufferobj(obj);
+
+ nouveau_bo_map(nbo->bo, NOUVEAU_BO_WR);
+ memcpy(nbo->bo->map + offset, data, size);
+ nouveau_bo_unmap(nbo->bo);
+}
+
+static void
+nouveau_bufferobj_get_subdata(GLcontext *ctx, GLenum target, GLintptrARB offset,
+ GLsizeiptrARB size, GLvoid *data,
+ struct gl_buffer_object *obj)
+{
+ struct nouveau_bufferobj *nbo = to_nouveau_bufferobj(obj);
+
+ nouveau_bo_map(nbo->bo, NOUVEAU_BO_RD);
+ memcpy(data, nbo->bo->map + offset, size);
+ nouveau_bo_unmap(nbo->bo);
+}
+
+static void *
+nouveau_bufferobj_map(GLcontext *ctx, GLenum target, GLenum access,
+ struct gl_buffer_object *obj)
+{
+ return ctx->Driver.MapBufferRange(ctx, target, 0, obj->Size, access,
+ obj);
+}
+
+static void *
+nouveau_bufferobj_map_range(GLcontext *ctx, GLenum target, GLintptr offset,
+ GLsizeiptr length, GLenum access,
+ struct gl_buffer_object *obj)
+{
+ struct nouveau_bufferobj *nbo = to_nouveau_bufferobj(obj);
+ uint32_t flags = 0;
+
+ assert(!obj->Pointer);
+
+ if (!nbo->bo)
+ return NULL;
+
+ if (access == GL_READ_ONLY_ARB ||
+ access == GL_READ_WRITE_ARB)
+ flags |= NOUVEAU_BO_RD;
+ if (access == GL_WRITE_ONLY_ARB ||
+ access == GL_READ_WRITE_ARB)
+ flags |= NOUVEAU_BO_WR;
+
+ nouveau_bo_map_range(nbo->bo, offset, length, flags);
+
+ obj->Pointer = nbo->bo->map;
+ obj->Offset = offset;
+ obj->Length = length;
+ obj->AccessFlags = access;
+
+ return obj->Pointer;
+}
+
+static GLboolean
+nouveau_bufferobj_unmap(GLcontext *ctx, GLenum target, struct gl_buffer_object *obj)
+{
+ struct nouveau_bufferobj *nbo = to_nouveau_bufferobj(obj);
+
+ assert(obj->Pointer);
+
+ nouveau_bo_unmap(nbo->bo);
+
+ obj->Pointer = NULL;
+ obj->Offset = 0;
+ obj->Length = 0;
+ obj->AccessFlags = 0;
+
+ return GL_TRUE;
+}
+
+void
+nouveau_bufferobj_functions_init(struct dd_function_table *functions)
+{
+ functions->NewBufferObject = nouveau_bufferobj_new;
+ functions->DeleteBuffer = nouveau_bufferobj_del;
+ functions->BufferData = nouveau_bufferobj_data;
+ functions->BufferSubData = nouveau_bufferobj_subdata;
+ functions->GetBufferSubData = nouveau_bufferobj_get_subdata;
+ functions->MapBuffer = nouveau_bufferobj_map;
+ functions->MapBufferRange = nouveau_bufferobj_map_range;
+ functions->UnmapBuffer = nouveau_bufferobj_unmap;
+}