[Mesa-dev] [PATCH] mesa: try RGBA_FLOAT16 before RGBA_FLOAT32 when choosing A, L, LA, I formats

[Brian Paul]

To try to use less tex memory and maybe get better performance.
Spotted by Roland Scheidegger.
---
 src/mesa/main/texformat.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/src/mesa/main/texformat.c b/src/mesa/main/texformat.c
index d393873..259eb90 100644
--- a/src/mesa/main/texformat.c
+++ b/src/mesa/main/texformat.c
@@ -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:
-- 
1.7.3.4

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