fdo-mirrors/mesa
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/mesa/mesa.git synced 2026-01-08 10:40:11 +01:00
Code Issues Projects Releases Packages Wiki Activity Actions 1

i965: Save max_index in brw_transform_feedback_object.

Browse source 
I'm going to need this in a new Resume hook shortly.

Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Iago Toral Quiroga <itoral@igalia.com>
This commit is contained in:
Kenneth Graunke 2017-02-16 21:31:57 -08:00
parent 8513090cd7
commit eb0331382a
2 changed files with 10 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

6
src/mesa/drivers/dri/i965/brw_context.h
View file

@ -556,6 +556,12 @@ struct brw_transform_feedback_object {
/** The most recent primitive mode (GL_TRIANGLES/GL_POINTS/GL_LINES). */
GLenum primitive_mode;
/**
* The maximum number of vertices that we can write without overflowing
* any of the buffers currently being used for transform feedback.
*/
unsigned max_index;
/**
* Count of primitives generated during this transform feedback operation.
* @{

6
src/mesa/drivers/dri/i965/gen6_sol.c
View file

@ -382,6 +382,8 @@ brw_begin_transform_feedback(struct gl_context *ctx, GLenum mode,
const struct gl_transform_feedback_info *linked_xfb_info;
struct gl_transform_feedback_object *xfb_obj =
ctx->TransformFeedback.CurrentObject;
struct brw_transform_feedback_object *brw_obj =
(struct brw_transform_feedback_object *) xfb_obj;
assert(brw->gen == 6);
@ -397,7 +399,7 @@ brw_begin_transform_feedback(struct gl_context *ctx, GLenum mode,
/* Compute the maximum number of vertices that we can write without
* overflowing any of the buffers currently being used for feedback.
*/
unsigned max_index
brw_obj->max_index
= _mesa_compute_max_transform_feedback_vertices(ctx, xfb_obj,
linked_xfb_info);
@ -406,7 +408,7 @@ brw_begin_transform_feedback(struct gl_context *ctx, GLenum mode,
OUT_BATCH(_3DSTATE_GS_SVB_INDEX << 16 | (4 - 2));
OUT_BATCH(0); /* SVBI 0 */
OUT_BATCH(0); /* starting index */
OUT_BATCH(max_index);
OUT_BATCH(brw_obj->max_index);
ADVANCE_BATCH();
/* Initialize the rest of the unused streams to sane values. Otherwise,