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mesa: try RGBA_FLOAT16 before RGBA_FLOAT32 when choosing A,L,LA,I formats

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To try to use less tex memory and maybe get better performance.
Spotted by Roland Scheidegger.

NOTE: This is a candidate for the 8.0 and 7.11 branches.

Reviewed-by: José Fonseca <jfonseca@vmware.com>
This commit is contained in:
Brian Paul 2012-01-16 10:08:08 -07:00
parent 7628696004
commit 1d7048f12e
1 changed files with 4 additions and 0 deletions
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4
src/mesa/main/texformat.c
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@ -323,6 +323,7 @@ _mesa_choose_tex_format( struct gl_context *ctx, GLint internalFormat,
case GL_ALPHA16F_ARB:
RETURN_IF_SUPPORTED(MESA_FORMAT_ALPHA_FLOAT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_ALPHA_FLOAT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32);
break;
case GL_ALPHA32F_ARB:
@ -334,6 +335,7 @@ _mesa_choose_tex_format( struct gl_context *ctx, GLint internalFormat,
case GL_LUMINANCE16F_ARB:
RETURN_IF_SUPPORTED(MESA_FORMAT_LUMINANCE_FLOAT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_LUMINANCE_FLOAT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32);
break;
case GL_LUMINANCE32F_ARB:
@ -345,6 +347,7 @@ _mesa_choose_tex_format( struct gl_context *ctx, GLint internalFormat,
case GL_LUMINANCE_ALPHA16F_ARB:
RETURN_IF_SUPPORTED(MESA_FORMAT_LUMINANCE_ALPHA_FLOAT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_LUMINANCE_ALPHA_FLOAT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32);
break;
case GL_LUMINANCE_ALPHA32F_ARB:
@ -356,6 +359,7 @@ _mesa_choose_tex_format( struct gl_context *ctx, GLint internalFormat,
case GL_INTENSITY16F_ARB:
RETURN_IF_SUPPORTED(MESA_FORMAT_INTENSITY_FLOAT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_INTENSITY_FLOAT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32);
break;
case GL_INTENSITY32F_ARB: