Mesa (master): radeon: add VBO support (not enabled yet)
Maciej Cencora
osiris at kemper.freedesktop.org
Fri Aug 14 22:53:22 UTC 2009
Module: Mesa
Branch: master
Commit: 6bcbeb02d61442919a2ae4dfd642547e5f7b1439
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=6bcbeb02d61442919a2ae4dfd642547e5f7b1439
Author: Maciej Cencora <m.cencora at gmail.com>
Date: Sat Jul 11 15:00:52 2009 +0200
radeon: add VBO support (not enabled yet)
---
src/mesa/drivers/dri/r300/Makefile | 3 +-
.../drivers/dri/radeon/radeon_buffer_objects.c | 217 ++++++++++++++++++++
.../drivers/dri/radeon/radeon_buffer_objects.h | 52 +++++
3 files changed, 271 insertions(+), 1 deletions(-)
diff --git a/src/mesa/drivers/dri/r300/Makefile b/src/mesa/drivers/dri/r300/Makefile
index 95c6765..2390d18 100644
--- a/src/mesa/drivers/dri/r300/Makefile
+++ b/src/mesa/drivers/dri/r300/Makefile
@@ -36,7 +36,8 @@ RADEON_COMMON_SOURCES = \
radeon_cs_legacy.c \
radeon_mipmap_tree.c \
radeon_span.c \
- radeon_fbo.c
+ radeon_fbo.c \
+ radeon_buffer_objects.c
DRIVER_SOURCES = \
radeon_screen.c \
diff --git a/src/mesa/drivers/dri/radeon/radeon_buffer_objects.c b/src/mesa/drivers/dri/radeon/radeon_buffer_objects.c
new file mode 100644
index 0000000..1420636
--- /dev/null
+++ b/src/mesa/drivers/dri/radeon/radeon_buffer_objects.c
@@ -0,0 +1,217 @@
+/*
+ * Copyright 2009 Maciej Cencora <m.cencora at gmail.com>
+ *
+ * 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 "radeon_buffer_objects.h"
+
+#include "main/imports.h"
+#include "main/mtypes.h"
+#include "main/bufferobj.h"
+
+#include "radeon_common.h"
+
+struct radeon_buffer_object *
+get_radeon_buffer_object(struct gl_buffer_object *obj)
+{
+ return (struct radeon_buffer_object *) obj;
+}
+
+static struct gl_buffer_object *
+radeonNewBufferObject(GLcontext * ctx,
+ GLuint name,
+ GLenum target)
+{
+ struct radeon_buffer_object *obj = CALLOC_STRUCT(radeon_buffer_object);
+
+ _mesa_initialize_buffer_object(&obj->Base, name, target);
+
+ obj->bo = NULL;
+
+ return &obj->Base;
+}
+
+/**
+ * Called via glDeleteBuffersARB().
+ */
+static void
+radeonDeleteBufferObject(GLcontext * ctx,
+ struct gl_buffer_object *obj)
+{
+ struct radeon_buffer_object *radeon_obj = get_radeon_buffer_object(obj);
+
+ if (obj->Pointer) {
+ radeon_bo_unmap(radeon_obj->bo);
+ }
+
+ if (radeon_obj->bo) {
+ radeon_bo_unref(radeon_obj->bo);
+ }
+
+ _mesa_free(radeon_obj);
+}
+
+
+/**
+ * Allocate space for and store data in a buffer object. Any data that was
+ * previously stored in the buffer object is lost. If data is NULL,
+ * memory will be allocated, but no copy will occur.
+ * Called via glBufferDataARB().
+ */
+static void
+radeonBufferData(GLcontext * ctx,
+ GLenum target,
+ GLsizeiptrARB size,
+ const GLvoid * data,
+ GLenum usage,
+ struct gl_buffer_object *obj)
+{
+ radeonContextPtr radeon = RADEON_CONTEXT(ctx);
+ struct radeon_buffer_object *radeon_obj = get_radeon_buffer_object(obj);
+
+ radeon_obj->Base.Size = size;
+ radeon_obj->Base.Usage = usage;
+
+ if (radeon_obj->bo != NULL) {
+ radeon_bo_unref(radeon_obj->bo);
+ radeon_obj->bo = NULL;
+ }
+
+ if (size != 0) {
+ radeon_obj->bo = radeon_bo_open(radeon->radeonScreen->bom,
+ 0,
+ size,
+ 32,
+ RADEON_GEM_DOMAIN_GTT,
+ 0);
+
+ if (data != NULL) {
+ radeon_bo_map(radeon_obj->bo, GL_TRUE);
+
+ _mesa_memcpy(radeon_obj->bo->ptr, data, size);
+
+ radeon_bo_unmap(radeon_obj->bo);
+ }
+ }
+}
+
+/**
+ * Replace data in a subrange of buffer object. If the data range
+ * specified by size + offset extends beyond the end of the buffer or
+ * if data is NULL, no copy is performed.
+ * Called via glBufferSubDataARB().
+ */
+static void
+radeonBufferSubData(GLcontext * ctx,
+ GLenum target,
+ GLintptrARB offset,
+ GLsizeiptrARB size,
+ const GLvoid * data,
+ struct gl_buffer_object *obj)
+{
+ struct radeon_buffer_object *radeon_obj = get_radeon_buffer_object(obj);
+
+ radeon_bo_map(radeon_obj->bo, GL_TRUE);
+
+ _mesa_memcpy(radeon_obj->bo->ptr + offset, data, size);
+
+ radeon_bo_unmap(radeon_obj->bo);
+}
+
+/**
+ * Called via glGetBufferSubDataARB()
+ */
+static void
+radeonGetBufferSubData(GLcontext * ctx,
+ GLenum target,
+ GLintptrARB offset,
+ GLsizeiptrARB size,
+ GLvoid * data,
+ struct gl_buffer_object *obj)
+{
+ struct radeon_buffer_object *radeon_obj = get_radeon_buffer_object(obj);
+
+ radeon_bo_map(radeon_obj->bo, GL_FALSE);
+
+ _mesa_memcpy(data, radeon_obj->bo->ptr + offset, size);
+
+ radeon_bo_unmap(radeon_obj->bo);
+}
+
+/**
+ * Called via glMapBufferARB()
+ */
+static void *
+radeonMapBuffer(GLcontext * ctx,
+ GLenum target,
+ GLenum access,
+ struct gl_buffer_object *obj)
+{
+ struct radeon_buffer_object *radeon_obj = get_radeon_buffer_object(obj);
+
+ if (access == GL_WRITE_ONLY_ARB) {
+ radeonFlush(ctx);
+ }
+
+ if (radeon_obj->bo == NULL) {
+ obj->Pointer = NULL;
+ return NULL;
+ }
+
+ radeon_bo_map(radeon_obj->bo, access == GL_WRITE_ONLY_ARB);
+
+ return obj->Pointer = radeon_obj->bo->ptr;
+}
+
+
+/**
+ * Called via glUnmapBufferARB()
+ */
+static GLboolean
+radeonUnmapBuffer(GLcontext * ctx,
+ GLenum target,
+ struct gl_buffer_object *obj)
+{
+ struct radeon_buffer_object *radeon_obj = get_radeon_buffer_object(obj);
+
+ if (radeon_obj->bo != NULL) {
+ radeon_bo_unmap(radeon_obj->bo);
+ obj->Pointer = NULL;
+ }
+
+ return GL_TRUE;
+}
+
+void
+radeonInitBufferObjectFuncs(struct dd_function_table *functions)
+{
+ functions->NewBufferObject = radeonNewBufferObject;
+ functions->DeleteBuffer = radeonDeleteBufferObject;
+ functions->BufferData = radeonBufferData;
+ functions->BufferSubData = radeonBufferSubData;
+ functions->GetBufferSubData = radeonGetBufferSubData;
+ functions->MapBuffer = radeonMapBuffer;
+ functions->UnmapBuffer = radeonUnmapBuffer;
+}
diff --git a/src/mesa/drivers/dri/radeon/radeon_buffer_objects.h b/src/mesa/drivers/dri/radeon/radeon_buffer_objects.h
new file mode 100644
index 0000000..d681960
--- /dev/null
+++ b/src/mesa/drivers/dri/radeon/radeon_buffer_objects.h
@@ -0,0 +1,52 @@
+/*
+ * Copyright 2009 Maciej Cencora <m.cencora at gmail.com>
+ *
+ * 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.
+ *
+ */
+
+#ifndef RADEON_BUFFER_OBJECTS_H
+#define RADEON_BUFFER_OBJECTS_H
+
+#include "main/mtypes.h"
+
+struct radeon_bo;
+
+/**
+ * Radeon vertex/pixel buffer object, derived from Mesa's gl_buffer_object.
+ */
+struct radeon_buffer_object
+{
+ struct gl_buffer_object Base;
+ struct radeon_bo *bo;
+};
+
+struct radeon_buffer_object *
+get_radeon_buffer_object(struct gl_buffer_object *obj);
+
+/**
+ * Hook the bufferobject implementation into mesa:
+ */
+void radeonInitBufferObjectFuncs(struct dd_function_table *functions);
+
+#endif
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