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i965: Add support for 16-bit unorm L, A, and I textures. 

While not required by any particular spec version, mplayer was asking
for L16 and hoping for actual L16 without checking.  The 8 bits
allocated led to 10-bit planar video data stored in the lower 10 bits
giving only 2 bits of precision in video.  While it was an amusing
effect, give them what they actually wanted instead.

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=41461

Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
This commit is contained in:
Eric Anholt 2011-11-08 11:05:17 -08:00
parent b5444a6ebd
commit e56aecf249
2 changed files with 8 additions and 1 deletions
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3
src/mesa/drivers/dri/i965/brw_wm_surface_state.c
View File

@ -80,6 +80,9 @@ brw_format_for_mesa_format(gl_format mesa_format)
[MESA_FORMAT_I8] = BRW_SURFACEFORMAT_I8_UNORM,
[MESA_FORMAT_A8] = BRW_SURFACEFORMAT_A8_UNORM,
[MESA_FORMAT_AL88] = BRW_SURFACEFORMAT_L8A8_UNORM,
[MESA_FORMAT_L16] = BRW_SURFACEFORMAT_L16_UNORM,
[MESA_FORMAT_A16] = BRW_SURFACEFORMAT_A16_UNORM,
[MESA_FORMAT_I16] = BRW_SURFACEFORMAT_I16_UNORM,
[MESA_FORMAT_AL1616] = BRW_SURFACEFORMAT_L16A16_UNORM,
[MESA_FORMAT_R8] = BRW_SURFACEFORMAT_R8_UNORM,
[MESA_FORMAT_R16] = BRW_SURFACEFORMAT_R16_UNORM,

6
src/mesa/drivers/dri/intel/intel_context.c
View File

@ -640,8 +640,12 @@ intelInitContext(struct intel_context *intel,
ctx->TextureFormatSupported[MESA_FORMAT_A8] = true;
ctx->TextureFormatSupported[MESA_FORMAT_I8] = true;
ctx->TextureFormatSupported[MESA_FORMAT_AL88] = true;
if (intel->gen >= 4)
if (intel->gen >= 4) {
ctx->TextureFormatSupported[MESA_FORMAT_L16] = true;
ctx->TextureFormatSupported[MESA_FORMAT_A16] = true;
ctx->TextureFormatSupported[MESA_FORMAT_I16] = true;
ctx->TextureFormatSupported[MESA_FORMAT_AL1616] = true;
}
/* Depth and stencil */
ctx->TextureFormatSupported[MESA_FORMAT_S8_Z24] = true;