fdo-mirrors/mesa
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/mesa/mesa.git synced 2026-05-01 01:38:06 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions 5

i965: Create a new brw_transform_feedback_object subclass.

Browse source 
This adds the basic driver hooks to allocate/free the brw variant.
It doesn't contain any additional information yet, but it will soon.

v2: Use the new _mesa_init_transform_feedback_object helper function
    (requested by Eric and Ian).

Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Eric Anholt <eric@anholt.net>
This commit is contained in:
Kenneth Graunke 2013-05-24 01:29:14 -07:00
parent be6227d29d
commit 0d7033c394
3 changed files with 40 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
src/mesa/drivers/dri/i965/brw_context.c
View file

@ -250,6 +250,8 @@ brw_init_driver_functions(struct brw_context *brw,
functions->QuerySamplesForFormat = brw_query_samples_for_format;
functions->NewTransformFeedback = brw_new_transform_feedback;
functions->DeleteTransformFeedback = brw_delete_transform_feedback;
if (brw->gen >= 7) {
functions->BeginTransformFeedback = gen7_begin_transform_feedback;
functions->EndTransformFeedback = gen7_end_transform_feedback;

9
src/mesa/drivers/dri/i965/brw_context.h
View file

@ -887,6 +887,10 @@ struct intel_batchbuffer {
} saved;
};
struct brw_transform_feedback_object {
struct gl_transform_feedback_object base;
};
/**
* Data shared between each programmable stage in the pipeline (vs, gs, and
* wm).
@ -1574,6 +1578,11 @@ extern int intel_translate_logic_op(GLenum opcode);
void intel_init_syncobj_functions(struct dd_function_table *functions);
/* gen6_sol.c */
struct gl_transform_feedback_object *
brw_new_transform_feedback(struct gl_context *ctx, GLuint name);
void
brw_delete_transform_feedback(struct gl_context *ctx,
struct gl_transform_feedback_object *obj);
void
brw_begin_transform_feedback(struct gl_context *ctx, GLenum mode,
struct gl_transform_feedback_object *obj);

29
src/mesa/drivers/dri/i965/gen6_sol.c
View file

@ -26,6 +26,7 @@
* Code to initialize the binding table entries used by transform feedback.
*/
#include "main/bufferobj.h"
#include "main/macros.h"
#include "brw_context.h"
#include "intel_batchbuffer.h"
@ -132,6 +133,34 @@ const struct brw_tracked_state gen6_gs_binding_table = {
.emit = brw_gs_upload_binding_table,
};
struct gl_transform_feedback_object *
brw_new_transform_feedback(struct gl_context *ctx, GLuint name)
{
struct brw_context *brw = brw_context(ctx);
struct brw_transform_feedback_object *brw_obj =
CALLOC_STRUCT(brw_transform_feedback_object);
if (!brw_obj)
return NULL;
_mesa_init_transform_feedback_object(&brw_obj->base, name);
return &brw_obj->base;
}
void
brw_delete_transform_feedback(struct gl_context *ctx,
struct gl_transform_feedback_object *obj)
{
struct brw_transform_feedback_object *brw_obj =
(struct brw_transform_feedback_object *) obj;
for (unsigned i = 0; i < Elements(obj->Buffers); i++) {
_mesa_reference_buffer_object(ctx, &obj->Buffers[i], NULL);
}
free(brw_obj);
}
void
brw_begin_transform_feedback(struct gl_context *ctx, GLenum mode,
struct gl_transform_feedback_object *obj)