diff options
Diffstat (limited to 'src/mesa/state_tracker/st_cb_bufferobjects.c')
-rw-r--r-- | src/mesa/state_tracker/st_cb_bufferobjects.c | 90 |
1 files changed, 68 insertions, 22 deletions
diff --git a/src/mesa/state_tracker/st_cb_bufferobjects.c b/src/mesa/state_tracker/st_cb_bufferobjects.c index 3651e4ae7d..7021d73208 100644 --- a/src/mesa/state_tracker/st_cb_bufferobjects.c +++ b/src/mesa/state_tracker/st_cb_bufferobjects.c @@ -26,10 +26,17 @@ **************************************************************************/ +/** + * Functions for pixel buffer objects and vertex/element buffer objects. + */ + + #include "main/imports.h" #include "main/mtypes.h" +#include "main/arrayobj.h" #include "main/bufferobj.h" +#include "st_inlines.h" #include "st_context.h" #include "st_cb_bufferobjects.h" @@ -38,14 +45,6 @@ #include "pipe/p_inlines.h" - -/* Pixel buffers and Vertex/index buffers are handled through these - * mesa callbacks. Framebuffer/Renderbuffer objects are - * created/managed elsewhere. - */ - - - /** * There is some duplication between mesa's bufferobjects and our * bufmgr buffers. Both have an integer handle and a hashtable to @@ -97,13 +96,13 @@ st_bufferobj_subdata(GLcontext *ctx, GLsizeiptrARB size, const GLvoid * data, struct gl_buffer_object *obj) { - struct pipe_context *pipe = st_context(ctx)->pipe; struct st_buffer_object *st_obj = st_buffer_object(obj); if (offset >= st_obj->size || size > (st_obj->size - offset)) return; - pipe_buffer_write(pipe->screen, st_obj->buffer, offset, size, data); + st_cond_flush_pipe_buffer_write(st_context(ctx), st_obj->buffer, + offset, size, data); } @@ -117,13 +116,13 @@ st_bufferobj_get_subdata(GLcontext *ctx, GLsizeiptrARB size, GLvoid * data, struct gl_buffer_object *obj) { - struct pipe_context *pipe = st_context(ctx)->pipe; struct st_buffer_object *st_obj = st_buffer_object(obj); if (offset >= st_obj->size || size > (st_obj->size - offset)) return; - pipe_buffer_read(pipe->screen, st_obj->buffer, offset, size, data); + st_cond_flush_pipe_buffer_read(st_context(ctx), st_obj->buffer, + offset, size, data); } @@ -168,10 +167,16 @@ st_bufferobj_data(GLcontext *ctx, st_obj->buffer = pipe_buffer_create( pipe->screen, 32, buffer_usage, size ); + if (!st_obj->buffer) { + _mesa_error(ctx, GL_OUT_OF_MEMORY, "glBufferDataARB"); + return; + } + st_obj->size = size; if (data) - st_bufferobj_subdata(ctx, target, 0, size, data, obj); + st_no_flush_pipe_buffer_write(st_context(ctx), st_obj->buffer, 0, + size, data); } @@ -182,9 +187,8 @@ static void * st_bufferobj_map(GLcontext *ctx, GLenum target, GLenum access, struct gl_buffer_object *obj) { - struct pipe_context *pipe = st_context(ctx)->pipe; struct st_buffer_object *st_obj = st_buffer_object(obj); - GLuint flags; + uint flags; switch (access) { case GL_WRITE_ONLY: @@ -200,8 +204,10 @@ st_bufferobj_map(GLcontext *ctx, GLenum target, GLenum access, break; } - obj->Pointer = pipe_buffer_map(pipe->screen, st_obj->buffer, flags); - if(obj->Pointer) { + obj->Pointer = st_cond_flush_pipe_buffer_map(st_context(ctx), + st_obj->buffer, + flags); + if (obj->Pointer) { obj->Offset = 0; obj->Length = obj->Size; } @@ -209,7 +215,6 @@ st_bufferobj_map(GLcontext *ctx, GLenum target, GLenum access, } - /** * Called via glMapBufferRange(). */ @@ -220,7 +225,7 @@ st_bufferobj_map_range(GLcontext *ctx, GLenum target, { struct pipe_context *pipe = st_context(ctx)->pipe; struct st_buffer_object *st_obj = st_buffer_object(obj); - GLuint flags = 0; + uint flags = 0x0; char *map; if (access & GL_MAP_WRITE_BIT) @@ -242,8 +247,8 @@ st_bufferobj_map_range(GLcontext *ctx, GLenum target, map = obj->Pointer = pipe_buffer_map_range(pipe->screen, st_obj->buffer, offset, length, flags); if(obj->Pointer) { - obj->Offset = 0; - obj->Length = obj->Size; + obj->Offset = offset; + obj->Length = length; map += offset; } @@ -262,7 +267,6 @@ st_bufferobj_flush_mapped_range(GLcontext *ctx, GLenum target, /* Subrange is relative to mapped range */ assert(offset >= 0); assert(length >= 0); - assert(offset < obj->Length); assert(offset + length <= obj->Length); pipe_buffer_flush_mapped_range(pipe->screen, st_obj->buffer, @@ -287,6 +291,43 @@ st_bufferobj_unmap(GLcontext *ctx, GLenum target, struct gl_buffer_object *obj) } +/** + * Called via glCopyBufferSubData(). + */ +static void +st_copy_buffer_subdata(GLcontext *ctx, + struct gl_buffer_object *src, + struct gl_buffer_object *dst, + GLintptr readOffset, GLintptr writeOffset, + GLsizeiptr size) +{ + struct pipe_context *pipe = st_context(ctx)->pipe; + struct st_buffer_object *srcObj = st_buffer_object(src); + struct st_buffer_object *dstObj = st_buffer_object(dst); + ubyte *srcPtr, *dstPtr; + + /* buffer should not already be mapped */ + assert(!src->Pointer); + assert(!dst->Pointer); + + srcPtr = (ubyte *) pipe_buffer_map_range(pipe->screen, + srcObj->buffer, + readOffset, size, + PIPE_BUFFER_USAGE_CPU_READ); + + dstPtr = (ubyte *) pipe_buffer_map_range(pipe->screen, + dstObj->buffer, + writeOffset, size, + PIPE_BUFFER_USAGE_CPU_WRITE); + + if (srcPtr && dstPtr) + _mesa_memcpy(dstPtr + writeOffset, srcPtr + readOffset, size); + + pipe_buffer_unmap(pipe->screen, srcObj->buffer); + pipe_buffer_unmap(pipe->screen, dstObj->buffer); +} + + void st_init_bufferobject_functions(struct dd_function_table *functions) { @@ -299,4 +340,9 @@ st_init_bufferobject_functions(struct dd_function_table *functions) functions->MapBufferRange = st_bufferobj_map_range; functions->FlushMappedBufferRange = st_bufferobj_flush_mapped_range; functions->UnmapBuffer = st_bufferobj_unmap; + functions->CopyBufferSubData = st_copy_buffer_subdata; + + /* For GL_APPLE_vertex_array_object */ + functions->NewArrayObject = _mesa_new_array_object; + functions->DeleteArrayObject = _mesa_delete_array_object; } |