Mesa (master): st/mesa: add LATC and 3DC support
Marek Olšák
mareko at kemper.freedesktop.org
Tue Mar 8 23:16:29 UTC 2011
Module: Mesa
Branch: master
Commit: 384845f335d1fbe6766673b988b23a003e104e7b
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=384845f335d1fbe6766673b988b23a003e104e7b
Author: Marek Olšák <maraeo at gmail.com>
Date: Mon Mar 7 02:24:43 2011 +0100
st/mesa: add LATC and 3DC support
softpipe passes all tests.
---
src/mesa/state_tracker/st_extensions.c | 21 ++++++++++++
src/mesa/state_tracker/st_format.c | 54 ++++++++++++++++++++++++++++++-
src/mesa/state_tracker/st_gen_mipmap.c | 4 ++-
3 files changed, 76 insertions(+), 3 deletions(-)
diff --git a/src/mesa/state_tracker/st_extensions.c b/src/mesa/state_tracker/st_extensions.c
index 6bbf68a..d96985a 100644
--- a/src/mesa/state_tracker/st_extensions.c
+++ b/src/mesa/state_tracker/st_extensions.c
@@ -432,6 +432,27 @@ void st_init_extensions(struct st_context *st)
ctx->Extensions.ARB_texture_compression_rgtc = GL_TRUE;
}
+ if (screen->is_format_supported(screen, PIPE_FORMAT_LATC1_UNORM,
+ PIPE_TEXTURE_2D, 0,
+ PIPE_BIND_SAMPLER_VIEW, 0) &&
+ screen->is_format_supported(screen, PIPE_FORMAT_LATC1_SNORM,
+ PIPE_TEXTURE_2D, 0,
+ PIPE_BIND_SAMPLER_VIEW, 0) &&
+ screen->is_format_supported(screen, PIPE_FORMAT_LATC2_UNORM,
+ PIPE_TEXTURE_2D, 0,
+ PIPE_BIND_SAMPLER_VIEW, 0) &&
+ screen->is_format_supported(screen, PIPE_FORMAT_LATC2_SNORM,
+ PIPE_TEXTURE_2D, 0,
+ PIPE_BIND_SAMPLER_VIEW, 0)) {
+ ctx->Extensions.EXT_texture_compression_latc = GL_TRUE;
+ }
+
+ if (screen->is_format_supported(screen, PIPE_FORMAT_LATC2_UNORM,
+ PIPE_TEXTURE_2D, 0,
+ PIPE_BIND_SAMPLER_VIEW, 0)) {
+ ctx->Extensions.ATI_texture_compression_3dc = GL_TRUE;
+ }
+
/* ycbcr support */
if (screen->is_format_supported(screen, PIPE_FORMAT_UYVY,
PIPE_TEXTURE_2D, 0,
diff --git a/src/mesa/state_tracker/st_format.c b/src/mesa/state_tracker/st_format.c
index 22a1450..6b89bae 100644
--- a/src/mesa/state_tracker/st_format.c
+++ b/src/mesa/state_tracker/st_format.c
@@ -249,6 +249,16 @@ st_mesa_format_to_pipe_format(gl_format mesaFormat)
return PIPE_FORMAT_RGTC2_UNORM;
case MESA_FORMAT_SIGNED_RG_RGTC2:
return PIPE_FORMAT_RGTC2_SNORM;
+
+ case MESA_FORMAT_L_LATC1:
+ return PIPE_FORMAT_LATC1_UNORM;
+ case MESA_FORMAT_SIGNED_L_LATC1:
+ return PIPE_FORMAT_LATC1_SNORM;
+ case MESA_FORMAT_LA_LATC2:
+ return PIPE_FORMAT_LATC2_UNORM;
+ case MESA_FORMAT_SIGNED_LA_LATC2:
+ return PIPE_FORMAT_LATC2_SNORM;
+
default:
assert(0);
return PIPE_FORMAT_NONE;
@@ -397,6 +407,15 @@ st_pipe_format_to_mesa_format(enum pipe_format format)
case PIPE_FORMAT_RGTC2_SNORM:
return MESA_FORMAT_SIGNED_RG_RGTC2;
+ case PIPE_FORMAT_LATC1_UNORM:
+ return MESA_FORMAT_L_LATC1;
+ case PIPE_FORMAT_LATC1_SNORM:
+ return MESA_FORMAT_SIGNED_L_LATC1;
+ case PIPE_FORMAT_LATC2_UNORM:
+ return MESA_FORMAT_LA_LATC2;
+ case PIPE_FORMAT_LATC2_SNORM:
+ return MESA_FORMAT_SIGNED_LA_LATC2;
+
default:
assert(0);
return MESA_FORMAT_NONE;
@@ -612,7 +631,6 @@ st_choose_format(struct pipe_screen *screen, GLenum internalFormat,
case GL_LUMINANCE:
case GL_LUMINANCE4:
case GL_LUMINANCE8:
- case GL_COMPRESSED_LUMINANCE:
if (screen->is_format_supported( screen, PIPE_FORMAT_L8_UNORM, target,
sample_count, bindings, geom_flags ))
return PIPE_FORMAT_L8_UNORM;
@@ -630,7 +648,6 @@ st_choose_format(struct pipe_screen *screen, GLenum internalFormat,
case GL_LUMINANCE_ALPHA:
case GL_LUMINANCE6_ALPHA2:
case GL_LUMINANCE8_ALPHA8:
- case GL_COMPRESSED_LUMINANCE_ALPHA:
if (screen->is_format_supported( screen, PIPE_FORMAT_L8A8_UNORM, target,
sample_count, bindings, geom_flags ))
return PIPE_FORMAT_L8A8_UNORM;
@@ -901,6 +918,39 @@ st_choose_format(struct pipe_screen *screen, GLenum internalFormat,
return PIPE_FORMAT_RGTC2_SNORM;
return PIPE_FORMAT_NONE;
+ case GL_COMPRESSED_LUMINANCE:
+ case GL_COMPRESSED_LUMINANCE_LATC1_EXT:
+ if (screen->is_format_supported(screen, PIPE_FORMAT_LATC1_UNORM, target,
+ sample_count, bindings, geom_flags))
+ return PIPE_FORMAT_LATC1_UNORM;
+ if (screen->is_format_supported(screen, PIPE_FORMAT_L8_UNORM, target,
+ sample_count, bindings, geom_flags))
+ return PIPE_FORMAT_L8_UNORM;
+ return PIPE_FORMAT_NONE;
+
+ case GL_COMPRESSED_SIGNED_LUMINANCE_LATC1_EXT:
+ if (screen->is_format_supported(screen, PIPE_FORMAT_LATC1_SNORM, target,
+ sample_count, bindings, geom_flags))
+ return PIPE_FORMAT_LATC1_SNORM;
+ return PIPE_FORMAT_NONE;
+
+ case GL_COMPRESSED_LUMINANCE_ALPHA:
+ case GL_COMPRESSED_LUMINANCE_ALPHA_LATC2_EXT:
+ case GL_COMPRESSED_LUMINANCE_ALPHA_3DC_ATI:
+ if (screen->is_format_supported(screen, PIPE_FORMAT_LATC2_UNORM, target,
+ sample_count, bindings, geom_flags))
+ return PIPE_FORMAT_LATC2_UNORM;
+ if (screen->is_format_supported(screen, PIPE_FORMAT_L8A8_UNORM, target,
+ sample_count, bindings, geom_flags))
+ return PIPE_FORMAT_L8A8_UNORM;
+ return PIPE_FORMAT_NONE;
+
+ case GL_COMPRESSED_SIGNED_LUMINANCE_ALPHA_LATC2_EXT:
+ if (screen->is_format_supported(screen, PIPE_FORMAT_LATC2_SNORM, target,
+ sample_count, bindings, geom_flags))
+ return PIPE_FORMAT_LATC2_SNORM;
+ return PIPE_FORMAT_NONE;
+
/* signed/unsigned integer formats.
* XXX Mesa only has formats for RGBA signed/unsigned integer formats.
* If/when new formats are added this code should be updated.
diff --git a/src/mesa/state_tracker/st_gen_mipmap.c b/src/mesa/state_tracker/st_gen_mipmap.c
index a12a32e..f8b23d1 100644
--- a/src/mesa/state_tracker/st_gen_mipmap.c
+++ b/src/mesa/state_tracker/st_gen_mipmap.c
@@ -205,7 +205,9 @@ fallback_generate_mipmap(struct gl_context *ctx, GLenum target,
if (compressed) {
if (texObj->Image[face][baseLevel]->TexFormat == MESA_FORMAT_SIGNED_RED_RGTC1 ||
- texObj->Image[face][baseLevel]->TexFormat == MESA_FORMAT_SIGNED_RG_RGTC2)
+ texObj->Image[face][baseLevel]->TexFormat == MESA_FORMAT_SIGNED_RG_RGTC2 ||
+ texObj->Image[face][baseLevel]->TexFormat == MESA_FORMAT_SIGNED_L_LATC1 ||
+ texObj->Image[face][baseLevel]->TexFormat == MESA_FORMAT_SIGNED_LA_LATC2)
datatype = GL_FLOAT;
else
datatype = GL_UNSIGNED_BYTE;
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