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i965: Implement the GL_ARB_base_instance extension. 

Thanks to Fredrik Höglund, all the hard work was already done.

Tested using a modified oglconform (that actually runs these tests on
our driver); it looks like there may be some bugs when using client
arrays.  All applicable non-compatibility tests passed.

For now, only enable it in core profiles.

Reviewed-by: Eric Anholt <eric@anholt.net>
Tested-by: Ian Romanick <idr@freedesktop.org>
This commit is contained in:
Kenneth Graunke 2013-01-18 11:11:10 -08:00
parent 0d108116bd
commit cdd3f5496a
2 changed files with 4 additions and 2 deletions
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4
src/mesa/drivers/dri/i965/brw_draw.c
View File

@ -193,7 +193,7 @@ static void brw_emit_prim(struct brw_context *brw,
OUT_BATCH(verts_per_instance);
OUT_BATCH(start_vertex_location);
OUT_BATCH(prim->num_instances);
OUT_BATCH(0); // start instance location
OUT_BATCH(prim->base_instance);
OUT_BATCH(base_vertex_location);
ADVANCE_BATCH();
@ -249,7 +249,7 @@ static void gen7_emit_prim(struct brw_context *brw,
OUT_BATCH(verts_per_instance);
OUT_BATCH(start_vertex_location);
OUT_BATCH(prim->num_instances);
OUT_BATCH(0); // start instance location
OUT_BATCH(prim->base_instance);
OUT_BATCH(base_vertex_location);
ADVANCE_BATCH();

2
src/mesa/drivers/dri/intel/intel_extensions.c
View File

@ -120,6 +120,8 @@ intelInitExtensions(struct gl_context *ctx)
}
if (intel->gen >= 4) {
if (ctx->API == API_OPENGL_CORE)
ctx->Extensions.ARB_base_instance = true;
ctx->Extensions.ARB_color_buffer_float = true;
ctx->Extensions.ARB_depth_buffer_float = true;
ctx->Extensions.ARB_depth_clamp = true;