diff options
Diffstat (limited to 'src/mesa')
| -rw-r--r-- | src/mesa/main/bufferobj.c | 29 | ||||
| -rw-r--r-- | src/mesa/main/mtypes.h | 22 |
2 files changed, 51 insertions, 0 deletions
diff --git a/src/mesa/main/bufferobj.c b/src/mesa/main/bufferobj.c index b646baa41a1..3fc29086204 100644 --- a/src/mesa/main/bufferobj.c +++ b/src/mesa/main/bufferobj.c @@ -603,6 +603,8 @@ _mesa_copy_buffer_subdata(struct gl_context *ctx, void _mesa_init_buffer_objects( struct gl_context *ctx ) { + GLuint i; + memset(&DummyBufferObject, 0, sizeof(DummyBufferObject)); _glthread_INIT_MUTEX(DummyBufferObject.Mutex); DummyBufferObject.RefCount = 1000*1000*1000; /* never delete */ @@ -614,16 +616,43 @@ _mesa_init_buffer_objects( struct gl_context *ctx ) ctx->Shared->NullBufferObj); _mesa_reference_buffer_object(ctx, &ctx->CopyWriteBuffer, ctx->Shared->NullBufferObj); + + ctx->UniformBufferBindings = calloc(ctx->Const.MaxUniformBufferBindings, + sizeof(*ctx->UniformBufferBindings)); + + _mesa_reference_buffer_object(ctx, &ctx->UniformBuffer, + ctx->Shared->NullBufferObj); + + for (i = 0; i < ctx->Const.MaxUniformBufferBindings; i++) { + _mesa_reference_buffer_object(ctx, + &ctx->UniformBufferBindings[i].BufferObject, + ctx->Shared->NullBufferObj); + ctx->UniformBufferBindings[i].Offset = -1; + ctx->UniformBufferBindings[i].Size = -1; + } } void _mesa_free_buffer_objects( struct gl_context *ctx ) { + GLuint i; + _mesa_reference_buffer_object(ctx, &ctx->Array.ArrayBufferObj, NULL); _mesa_reference_buffer_object(ctx, &ctx->CopyReadBuffer, NULL); _mesa_reference_buffer_object(ctx, &ctx->CopyWriteBuffer, NULL); + + _mesa_reference_buffer_object(ctx, &ctx->UniformBuffer, NULL); + + for (i = 0; i < ctx->Const.MaxUniformBufferBindings; i++) { + _mesa_reference_buffer_object(ctx, + &ctx->UniformBufferBindings[i].BufferObject, + NULL); + } + + free(ctx->UniformBufferBindings); + ctx->UniformBufferBindings = NULL; } diff --git a/src/mesa/main/mtypes.h b/src/mesa/main/mtypes.h index cf6d9c16c05..def0db1aa2d 100644 --- a/src/mesa/main/mtypes.h +++ b/src/mesa/main/mtypes.h @@ -3295,6 +3295,20 @@ struct gl_driver_flags GLbitfield NewArray; /**< Vertex array state */ }; +struct gl_uniform_buffer_binding +{ + struct gl_buffer_object *BufferObject; + /** Start of uniform block data in the buffer */ + GLintptr Offset; + /** Size of data allowed to be referenced from the buffer (in bytes) */ + GLsizeiptr Size; + /** + * glBindBufferBase() indicates that the Size should be ignored and only + * limited by the current size of the BufferObject. + */ + GLboolean AutomaticSize; +}; + /** * Mesa rendering context. * @@ -3437,6 +3451,14 @@ struct gl_context */ struct gl_buffer_object *UniformBuffer; + /** + * Array of uniform buffers for GL_ARB_uniform_buffer_object and GL 3.1. + * This is set up using glBindBufferRange() or glBindBufferBase(). They are + * associated with uniform blocks by glUniformBlockBinding()'s state in the + * shader program. + */ + struct gl_uniform_buffer_binding *UniformBufferBindings; + /*@}*/ struct gl_meta_state *Meta; /**< for "meta" operations */ |