[Mesa-dev] [PATCH 1/5] mesa: add GL_AMD_compressed_ATC_texture support
Ilia Mirkin
imirkin at alum.mit.edu
Sun Mar 1 19:08:10 PST 2015
Signed-off-by: Ilia Mirkin <imirkin at alum.mit.edu>
---
src/mapi/glapi/gen/es_EXT.xml | 6 ++++++
src/mesa/main/extensions.c | 1 +
src/mesa/main/format_info.py | 2 ++
src/mesa/main/formats.c | 11 +++++++++++
src/mesa/main/formats.csv | 5 +++++
src/mesa/main/formats.h | 5 +++++
src/mesa/main/glformats.c | 8 ++++++++
src/mesa/main/glformats.h | 5 +++++
src/mesa/main/mtypes.h | 1 +
src/mesa/main/texcompress.c | 39 ++++++++++++++++++++++++++++++++++++++-
src/mesa/main/teximage.c | 15 +++++++++++++++
src/mesa/swrast/s_texfetch.c | 6 +++++-
12 files changed, 102 insertions(+), 2 deletions(-)
diff --git a/src/mapi/glapi/gen/es_EXT.xml b/src/mapi/glapi/gen/es_EXT.xml
index 3a2adeb..e691ae1 100644
--- a/src/mapi/glapi/gen/es_EXT.xml
+++ b/src/mapi/glapi/gen/es_EXT.xml
@@ -602,6 +602,12 @@
<enum name="HALF_FLOAT_OES" value="0x8D61"/>
</category>
+<category name="GL_AMD_compressed_ATC_texture" number="40">
+ <enum name="ATC_RGB_AMD" value="0x8C92"/>
+ <enum name="ATC_RGBA_EXPLICIT_ALPHA_AMD" value="0x8C93"/>
+ <enum name="ATC_RGBA_INTERPOLATED_ALPHA_AMD" value="0x87EE"/>
+</category>
+
<!-- 41. GL_EXT_texture_filter_anisotropic -->
<category name="GL_EXT_texture_type_2_10_10_10_REV" number="42">
diff --git a/src/mesa/main/extensions.c b/src/mesa/main/extensions.c
index f212015..913de1a 100644
--- a/src/mesa/main/extensions.c
+++ b/src/mesa/main/extensions.c
@@ -335,6 +335,7 @@ static const struct extension extension_table[] = {
/* Vendor extensions */
{ "GL_3DFX_texture_compression_FXT1", o(TDFX_texture_compression_FXT1), GL, 1999 },
+ { "GL_AMD_compressed_ATC_texture", o(AMD_compressed_ATC_texture), ES1 | ES2, 2007 },
{ "GL_AMD_conservative_depth", o(ARB_conservative_depth), GL, 2009 },
{ "GL_AMD_draw_buffers_blend", o(ARB_draw_buffers_blend), GL, 2009 },
{ "GL_AMD_performance_monitor", o(AMD_performance_monitor), GL, 2007 },
diff --git a/src/mesa/main/format_info.py b/src/mesa/main/format_info.py
index 3bae57e..0c6fccf 100644
--- a/src/mesa/main/format_info.py
+++ b/src/mesa/main/format_info.py
@@ -130,6 +130,8 @@ def get_channel_bits(fmat, chan_name):
elif fmat.layout == 'bptc':
bits = 16 if fmat.name.endswith('_FLOAT') else 8
return bits if fmat.has_channel(chan_name) else 0
+ elif fmat.layout == 'atc':
+ return 8 if fmat.has_channel(chan_name) else 0
else:
assert False
else:
diff --git a/src/mesa/main/formats.c b/src/mesa/main/formats.c
index df852f3..cf363b3 100644
--- a/src/mesa/main/formats.c
+++ b/src/mesa/main/formats.c
@@ -712,11 +712,14 @@ _mesa_get_uncompressed_format(mesa_format format)
case MESA_FORMAT_ETC1_RGB8:
case MESA_FORMAT_ETC2_RGB8:
case MESA_FORMAT_ETC2_SRGB8:
+ case MESA_FORMAT_ATC_RGB:
return MESA_FORMAT_BGR_UNORM8;
case MESA_FORMAT_ETC2_RGBA8_EAC:
case MESA_FORMAT_ETC2_SRGB8_ALPHA8_EAC:
case MESA_FORMAT_ETC2_RGB8_PUNCHTHROUGH_ALPHA1:
case MESA_FORMAT_ETC2_SRGB8_PUNCHTHROUGH_ALPHA1:
+ case MESA_FORMAT_ATC_RGBA_EXPLICIT:
+ case MESA_FORMAT_ATC_RGBA_INTERPOLATED:
return MESA_FORMAT_A8B8G8R8_UNORM;
case MESA_FORMAT_ETC2_R11_EAC:
case MESA_FORMAT_ETC2_SIGNED_R11_EAC:
@@ -1242,6 +1245,9 @@ _mesa_format_to_type_and_comps(mesa_format format,
case MESA_FORMAT_BPTC_SRGB_ALPHA_UNORM:
case MESA_FORMAT_BPTC_RGB_SIGNED_FLOAT:
case MESA_FORMAT_BPTC_RGB_UNSIGNED_FLOAT:
+ case MESA_FORMAT_ATC_RGB:
+ case MESA_FORMAT_ATC_RGBA_EXPLICIT:
+ case MESA_FORMAT_ATC_RGBA_INTERPOLATED:
/* XXX generate error instead? */
*datatype = GL_UNSIGNED_BYTE;
*comps = 0;
@@ -2079,6 +2085,11 @@ _mesa_format_matches_format_and_type(mesa_format mesa_format,
case MESA_FORMAT_ETC2_SRGB8_PUNCHTHROUGH_ALPHA1:
return GL_FALSE;
+ case MESA_FORMAT_ATC_RGB:
+ case MESA_FORMAT_ATC_RGBA_EXPLICIT:
+ case MESA_FORMAT_ATC_RGBA_INTERPOLATED:
+ return GL_FALSE;
+
case MESA_FORMAT_A_SNORM8:
return format == GL_ALPHA && type == GL_BYTE;
case MESA_FORMAT_L_SNORM8:
diff --git a/src/mesa/main/formats.csv b/src/mesa/main/formats.csv
index e159e7d..1d669af 100644
--- a/src/mesa/main/formats.csv
+++ b/src/mesa/main/formats.csv
@@ -301,3 +301,8 @@ MESA_FORMAT_BPTC_RGBA_UNORM , bptc , 4, 4, x128, , ,
MESA_FORMAT_BPTC_SRGB_ALPHA_UNORM , bptc , 4, 4, x128, , , , xyzw, srgb
MESA_FORMAT_BPTC_RGB_SIGNED_FLOAT , bptc , 4, 4, x128, , , , xyz1, rgb
MESA_FORMAT_BPTC_RGB_UNSIGNED_FLOAT , bptc , 4, 4, x128, , , , xyz1, rgb
+
+# ATC compressed formats
+MESA_FORMAT_ATC_RGB , atc , 4, 4, x64 , , , , xyz1, rgb
+MESA_FORMAT_ATC_RGBA_EXPLICIT , atc , 4, 4, x128, , , , xyzw, rgb
+MESA_FORMAT_ATC_RGBA_INTERPOLATED , atc , 4, 4, x128, , , , xyzw, rgb
diff --git a/src/mesa/main/formats.h b/src/mesa/main/formats.h
index 7e451ca..4909cad 100644
--- a/src/mesa/main/formats.h
+++ b/src/mesa/main/formats.h
@@ -575,6 +575,11 @@ typedef enum
MESA_FORMAT_BPTC_RGB_SIGNED_FLOAT,
MESA_FORMAT_BPTC_RGB_UNSIGNED_FLOAT,
+ /* ATC compressed formats */
+ MESA_FORMAT_ATC_RGB,
+ MESA_FORMAT_ATC_RGBA_EXPLICIT,
+ MESA_FORMAT_ATC_RGBA_INTERPOLATED,
+
MESA_FORMAT_COUNT
} mesa_format;
diff --git a/src/mesa/main/glformats.c b/src/mesa/main/glformats.c
index 4e05229..e30c427 100644
--- a/src/mesa/main/glformats.c
+++ b/src/mesa/main/glformats.c
@@ -1003,6 +1003,9 @@ _mesa_is_color_format(GLenum format)
case GL_COMPRESSED_SRGB_ALPHA_BPTC_UNORM:
case GL_COMPRESSED_RGB_BPTC_SIGNED_FLOAT:
case GL_COMPRESSED_RGB_BPTC_UNSIGNED_FLOAT:
+ case GL_ATC_RGB_AMD:
+ case GL_ATC_RGBA_EXPLICIT_ALPHA_AMD:
+ case GL_ATC_RGBA_INTERPOLATED_ALPHA_AMD:
/* generic integer formats */
case GL_RED_INTEGER_EXT:
case GL_GREEN_INTEGER_EXT:
@@ -1262,6 +1265,11 @@ _mesa_is_compressed_format(struct gl_context *ctx, GLenum format)
case GL_COMPRESSED_RGB_BPTC_UNSIGNED_FLOAT:
return _mesa_is_desktop_gl(ctx) &&
ctx->Extensions.ARB_texture_compression_bptc;
+ case GL_ATC_RGB_AMD:
+ case GL_ATC_RGBA_EXPLICIT_ALPHA_AMD:
+ case GL_ATC_RGBA_INTERPOLATED_ALPHA_AMD:
+ return _mesa_is_gles(ctx)
+ && ctx->Extensions.AMD_compressed_ATC_texture;
case GL_PALETTE4_RGB8_OES:
case GL_PALETTE4_RGBA8_OES:
case GL_PALETTE4_R5_G6_B5_OES:
diff --git a/src/mesa/main/glformats.h b/src/mesa/main/glformats.h
index e1ecd64..295fb83 100644
--- a/src/mesa/main/glformats.h
+++ b/src/mesa/main/glformats.h
@@ -30,11 +30,16 @@
#include <GL/gl.h>
+#define GL_ATC_RGB_AMD 0x8C92
+#define GL_ATC_RGBA_EXPLICIT_ALPHA_AMD 0x8C93
+#define GL_ATC_RGBA_INTERPOLATED_ALPHA_AMD 0x87EE
#ifdef __cplusplus
extern "C" {
#endif
+struct gl_context;
+
extern void
_mesa_compute_component_mapping(GLenum inFormat, GLenum outFormat, GLubyte *map);
diff --git a/src/mesa/main/mtypes.h b/src/mesa/main/mtypes.h
index 6e99773..24d98ef 100644
--- a/src/mesa/main/mtypes.h
+++ b/src/mesa/main/mtypes.h
@@ -3855,6 +3855,7 @@ struct gl_extensions
GLboolean EXT_vertex_array_bgra;
GLboolean OES_standard_derivatives;
/* vendor extensions */
+ GLboolean AMD_compressed_ATC_texture;
GLboolean AMD_performance_monitor;
GLboolean AMD_pinned_memory;
GLboolean AMD_seamless_cubemap_per_texture;
diff --git a/src/mesa/main/texcompress.c b/src/mesa/main/texcompress.c
index 00234d4..1c1a4f5 100644
--- a/src/mesa/main/texcompress.c
+++ b/src/mesa/main/texcompress.c
@@ -30,6 +30,7 @@
*/
+#include "glformats.h"
#include "glheader.h"
#include "imports.h"
#include "colormac.h"
@@ -44,7 +45,6 @@
#include "texcompress_etc.h"
#include "texcompress_bptc.h"
-
/**
* Get the GL base format of a specified GL compressed texture format
*
@@ -101,6 +101,7 @@ _mesa_gl_compressed_format_base_format(GLenum format)
case GL_ETC1_RGB8_OES:
case GL_COMPRESSED_RGB8_ETC2:
case GL_COMPRESSED_SRGB8_ETC2:
+ case GL_ATC_RGB_AMD:
return GL_RGB;
case GL_COMPRESSED_RGBA:
@@ -118,6 +119,8 @@ _mesa_gl_compressed_format_base_format(GLenum format)
case GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC:
case GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2:
case GL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2:
+ case GL_ATC_RGBA_EXPLICIT_ALPHA_AMD:
+ case GL_ATC_RGBA_INTERPOLATED_ALPHA_AMD:
return GL_RGBA;
case GL_COMPRESSED_ALPHA:
@@ -326,6 +329,26 @@ _mesa_get_compressed_formats(struct gl_context *ctx, GLint *formats)
}
}
+ /* The GL_AMD_compressed_ATC_texture spec says:
+ *
+ * "New State
+ *
+ * The queries for NUM_COMPRESSED_TEXTURE_FORMATS and
+ * COMPRESSED_TEXTURE_FORMATS include ATC_RGB_AMD,
+ * ATC_RGBA_EXPLICIT_ALPHA_AMD, and ATC_RGBA_INTERPOLATED_ALPHA_AMD."
+ */
+ if (_mesa_is_gles(ctx)
+ && ctx->Extensions.AMD_compressed_ATC_texture) {
+ if (formats) {
+ formats[n++] = GL_ATC_RGB_AMD;
+ formats[n++] = GL_ATC_RGBA_EXPLICIT_ALPHA_AMD;
+ formats[n++] = GL_ATC_RGBA_INTERPOLATED_ALPHA_AMD;
+ }
+ else {
+ n += 3;
+ }
+ }
+
if (ctx->API == API_OPENGLES) {
if (formats) {
formats[n++] = GL_PALETTE4_RGB8_OES;
@@ -450,6 +473,13 @@ _mesa_glenum_to_compressed_format(GLenum format)
case GL_COMPRESSED_RGB_BPTC_UNSIGNED_FLOAT:
return MESA_FORMAT_BPTC_RGB_UNSIGNED_FLOAT;
+ case GL_ATC_RGB_AMD:
+ return MESA_FORMAT_ATC_RGB;
+ case GL_ATC_RGBA_EXPLICIT_ALPHA_AMD:
+ return MESA_FORMAT_ATC_RGBA_EXPLICIT;
+ case GL_ATC_RGBA_INTERPOLATED_ALPHA_AMD:
+ return MESA_FORMAT_ATC_RGBA_INTERPOLATED;
+
default:
return MESA_FORMAT_NONE;
}
@@ -540,6 +570,13 @@ _mesa_compressed_format_to_glenum(struct gl_context *ctx, mesa_format mesaFormat
case MESA_FORMAT_BPTC_RGB_UNSIGNED_FLOAT:
return GL_COMPRESSED_RGB_BPTC_UNSIGNED_FLOAT;
+ case MESA_FORMAT_ATC_RGB:
+ return GL_ATC_RGB_AMD;
+ case MESA_FORMAT_ATC_RGBA_EXPLICIT:
+ return GL_ATC_RGBA_EXPLICIT_ALPHA_AMD;
+ case MESA_FORMAT_ATC_RGBA_INTERPOLATED:
+ return GL_ATC_RGBA_INTERPOLATED_ALPHA_AMD;
+
default:
_mesa_problem(ctx, "Unexpected mesa texture format in"
" _mesa_compressed_format_to_glenum()");
diff --git a/src/mesa/main/teximage.c b/src/mesa/main/teximage.c
index 6e45cc9..16f09ec 100644
--- a/src/mesa/main/teximage.c
+++ b/src/mesa/main/teximage.c
@@ -561,6 +561,18 @@ _mesa_base_tex_format( struct gl_context *ctx, GLint internalFormat )
}
}
+ if (_mesa_is_gles(ctx) && ctx->Extensions.AMD_compressed_ATC_texture) {
+ switch (internalFormat) {
+ case GL_ATC_RGB_AMD:
+ return GL_RGB;
+ case GL_ATC_RGBA_EXPLICIT_ALPHA_AMD:
+ case GL_ATC_RGBA_INTERPOLATED_ALPHA_AMD:
+ return GL_RGBA;
+ default:
+ ; /* fallthrough */
+ }
+ }
+
if (_mesa_is_gles3(ctx) || ctx->Extensions.ARB_ES3_compatibility) {
switch (internalFormat) {
case GL_COMPRESSED_RGB8_ETC2:
@@ -1778,6 +1790,9 @@ compressedteximage_only_format(const struct gl_context *ctx, GLenum format)
case GL_PALETTE8_R5_G6_B5_OES:
case GL_PALETTE8_RGBA4_OES:
case GL_PALETTE8_RGB5_A1_OES:
+ case GL_ATC_RGB_AMD:
+ case GL_ATC_RGBA_EXPLICIT_ALPHA_AMD:
+ case GL_ATC_RGBA_INTERPOLATED_ALPHA_AMD:
return GL_TRUE;
default:
return GL_FALSE;
diff --git a/src/mesa/swrast/s_texfetch.c b/src/mesa/swrast/s_texfetch.c
index 242f8a4..01a8de9 100644
--- a/src/mesa/swrast/s_texfetch.c
+++ b/src/mesa/swrast/s_texfetch.c
@@ -552,7 +552,11 @@ texfetch_funcs[] =
fetch_compressed,
fetch_compressed,
fetch_compressed
- }
+ },
+
+ FETCH_NULL(ATC_RGB),
+ FETCH_NULL(ATC_RGBA_EXPLICIT),
+ FETCH_NULL(ATC_RGBA_INTERPOLATED),
};
--
2.0.5
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