From bfb5dc68fcc9f5dee71f66d9499b8bdcde9627ea Mon Sep 17 00:00:00 2001 From: Francisco Jerez Date: Mon, 1 Feb 2010 01:19:10 +0100 Subject: Import a classic DRI driver for nv0x-nv2x. --- src/mesa/drivers/dri/nouveau/nouveau_bufferobj.c | 172 +++++++++++++++++++++++ 1 file changed, 172 insertions(+) create mode 100644 src/mesa/drivers/dri/nouveau/nouveau_bufferobj.c (limited to 'src/mesa/drivers/dri/nouveau/nouveau_bufferobj.c') diff --git a/src/mesa/drivers/dri/nouveau/nouveau_bufferobj.c b/src/mesa/drivers/dri/nouveau/nouveau_bufferobj.c new file mode 100644 index 0000000000..1118b96de1 --- /dev/null +++ b/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); + _mesa_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); + _mesa_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); + _mesa_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; +} -- cgit v1.2.3