Mesa (master): st/mesa: add texture buffer object rgb32 support.
Dave Airlie
airlied at kemper.freedesktop.org
Sat Dec 15 21:08:09 UTC 2012
Module: Mesa
Branch: master
Commit: 39fa4c0a58e9103ec564c26e50382aa0e0af081b
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=39fa4c0a58e9103ec564c26e50382aa0e0af081b
Author: Dave Airlie <airlied at gmail.com>
Date: Sat Dec 15 13:03:54 2012 +1000
st/mesa: add texture buffer object rgb32 support.
This checks if the pipe driver can support RGB32 formats.
Reviewed-by: Marek Olšák <maraeo at gmail.com>
Signed-off-by: Dave Airlie <airlied at redhat.com>
---
src/mesa/state_tracker/st_extensions.c | 14 +++++++++++++-
1 files changed, 13 insertions(+), 1 deletions(-)
diff --git a/src/mesa/state_tracker/st_extensions.c b/src/mesa/state_tracker/st_extensions.c
index f3f01eb..262cc3d 100644
--- a/src/mesa/state_tracker/st_extensions.c
+++ b/src/mesa/state_tracker/st_extensions.c
@@ -494,6 +494,14 @@ void st_init_extensions(struct st_context *st)
PIPE_FORMAT_B10G10R10A2_SSCALED } },
};
+ static const struct st_extension_format_mapping tbo_rgb32[] = {
+ { {o(ARB_texture_buffer_object_rgb32) },
+ { PIPE_FORMAT_R32G32B32_FLOAT,
+ PIPE_FORMAT_R32G32B32_UINT,
+ PIPE_FORMAT_R32G32B32_SINT,
+ } },
+ };
+
/*
* Extensions that are supported by all Gallium drivers:
*/
@@ -661,8 +669,12 @@ void st_init_extensions(struct st_context *st)
if (ctx->Const.MinMapBufferAlignment >= 64) {
ctx->Extensions.ARB_map_buffer_alignment = GL_TRUE;
}
- if (screen->get_param(screen, PIPE_CAP_TEXTURE_BUFFER_OBJECTS))
+ if (screen->get_param(screen, PIPE_CAP_TEXTURE_BUFFER_OBJECTS)) {
ctx->Extensions.ARB_texture_buffer_object = GL_TRUE;
+ init_format_extensions(st, tbo_rgb32, Elements(tbo_rgb32),
+ PIPE_BUFFER, PIPE_BIND_SAMPLER_VIEW);
+ }
+
/* Unpacking a varying in the fragment shader costs 1 texture indirection.
* If the number of available texture indirections is very limited, then we
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