Mesa (master): st/mesa: support EXT_packed_float
Marek Olšák
mareko at kemper.freedesktop.org
Fri Apr 29 09:36:29 UTC 2011
Module: Mesa
Branch: master
Commit: e62530a6c00da71c0f7bf1f4c425fe6c5b452df6
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=e62530a6c00da71c0f7bf1f4c425fe6c5b452df6
Author: Marek Olšák <maraeo at gmail.com>
Date: Tue Apr 26 02:28:33 2011 +0200
st/mesa: support EXT_packed_float
Reviewed-by: Brian Paul <brianp at vmware.com>
---
src/mesa/state_tracker/st_cb_drawpixels.c | 4 ++++
src/mesa/state_tracker/st_extensions.c | 7 +++++++
src/mesa/state_tracker/st_format.c | 11 +++++++++++
3 files changed, 22 insertions(+), 0 deletions(-)
diff --git a/src/mesa/state_tracker/st_cb_drawpixels.c b/src/mesa/state_tracker/st_cb_drawpixels.c
index be0cd61..31360fd 100644
--- a/src/mesa/state_tracker/st_cb_drawpixels.c
+++ b/src/mesa/state_tracker/st_cb_drawpixels.c
@@ -376,6 +376,10 @@ internal_format(struct gl_context *ctx, GLenum format, GLenum type)
case GL_UNSIGNED_INT_5_9_9_9_REV:
assert(ctx->Extensions.EXT_texture_shared_exponent);
return GL_RGB9_E5;
+
+ case GL_UNSIGNED_INT_10F_11F_11F_REV:
+ assert(ctx->Extensions.EXT_packed_float);
+ return GL_R11F_G11F_B10F;
}
}
}
diff --git a/src/mesa/state_tracker/st_extensions.c b/src/mesa/state_tracker/st_extensions.c
index 0ad1eda..a5324df 100644
--- a/src/mesa/state_tracker/st_extensions.c
+++ b/src/mesa/state_tracker/st_extensions.c
@@ -582,4 +582,11 @@ void st_init_extensions(struct st_context *st)
PIPE_BIND_SAMPLER_VIEW)) {
ctx->Extensions.EXT_texture_shared_exponent = GL_TRUE;
}
+
+ if (screen->is_format_supported(screen, PIPE_FORMAT_R11G11B10_FLOAT,
+ PIPE_TEXTURE_2D, 0,
+ PIPE_BIND_RENDER_TARGET |
+ PIPE_BIND_SAMPLER_VIEW)) {
+ ctx->Extensions.EXT_packed_float = GL_TRUE;
+ }
}
diff --git a/src/mesa/state_tracker/st_format.c b/src/mesa/state_tracker/st_format.c
index 91afab6..b136210 100644
--- a/src/mesa/state_tracker/st_format.c
+++ b/src/mesa/state_tracker/st_format.c
@@ -327,6 +327,8 @@ st_mesa_format_to_pipe_format(gl_format mesaFormat)
case MESA_FORMAT_RGB9_E5_FLOAT:
return PIPE_FORMAT_R9G9B9E5_FLOAT;
+ case MESA_FORMAT_R11_G11_B10_FLOAT:
+ return PIPE_FORMAT_R11G11B10_FLOAT;
default:
assert(0);
@@ -550,6 +552,8 @@ st_pipe_format_to_mesa_format(enum pipe_format format)
case PIPE_FORMAT_R9G9B9E5_FLOAT:
return MESA_FORMAT_RGB9_E5_FLOAT;
+ case PIPE_FORMAT_R11G11B10_FLOAT:
+ return MESA_FORMAT_R11_G11_B10_FLOAT;
default:
assert(0);
@@ -1496,6 +1500,13 @@ st_choose_format(struct pipe_screen *screen, GLenum internalFormat,
}
return PIPE_FORMAT_NONE;
+ case GL_R11F_G11F_B10F:
+ if (screen->is_format_supported(screen, PIPE_FORMAT_R11G11B10_FLOAT, target,
+ sample_count, bindings)) {
+ return PIPE_FORMAT_R11G11B10_FLOAT;
+ }
+ return PIPE_FORMAT_NONE;
+
default:
return PIPE_FORMAT_NONE;
}
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