[Mesa-dev] [PATCH 1/6] mesa: Add a new texture format GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2
Anuj Phogat
anuj.phogat at gmail.com
Wed Oct 24 13:22:46 PDT 2012
Signed-off-by: Anuj Phogat <anuj.phogat at gmail.com>
---
src/mesa/main/format_unpack.c | 9 +++++++++
src/mesa/main/formats.c | 13 +++++++++++++
src/mesa/main/formats.h | 1 +
src/mesa/main/glformats.c | 2 ++
src/mesa/main/texcompress.c | 9 +++++++++
src/mesa/main/texformat.c | 3 +++
src/mesa/main/teximage.c | 1 +
src/mesa/main/texstore.c | 2 ++
8 files changed, 40 insertions(+), 0 deletions(-)
diff --git a/src/mesa/main/format_unpack.c b/src/mesa/main/format_unpack.c
index 34b4b0f..1a8f113 100644
--- a/src/mesa/main/format_unpack.c
+++ b/src/mesa/main/format_unpack.c
@@ -1385,6 +1385,13 @@ unpack_ETC2_SIGNED_RG11_EAC(const void *src, GLfloat dst[][4], GLuint n)
}
static void
+unpack_ETC2_RGB8_PUNCHTHROUGH_ALPHA1(const void *src, GLfloat dst[][4],
+ GLuint n)
+{
+ /* XXX to do */
+}
+
+static void
unpack_SIGNED_A8(const void *src, GLfloat dst[][4], GLuint n)
{
const GLbyte *s = ((const GLbyte *) src);
@@ -1641,6 +1648,8 @@ get_unpack_rgba_function(gl_format format)
table[MESA_FORMAT_ETC2_RG11_EAC] = unpack_ETC2_RG11_EAC;
table[MESA_FORMAT_ETC2_SIGNED_R11_EAC] = unpack_ETC2_SIGNED_R11_EAC;
table[MESA_FORMAT_ETC2_SIGNED_RG11_EAC] = unpack_ETC2_SIGNED_RG11_EAC;
+ table[MESA_FORMAT_ETC2_RGB8_PUNCHTHROUGH_ALPHA1] =
+ unpack_ETC2_RGB8_PUNCHTHROUGH_ALPHA1;
table[MESA_FORMAT_SIGNED_A8] = unpack_SIGNED_A8;
table[MESA_FORMAT_SIGNED_L8] = unpack_SIGNED_L8;
table[MESA_FORMAT_SIGNED_AL88] = unpack_SIGNED_AL88;
diff --git a/src/mesa/main/formats.c b/src/mesa/main/formats.c
index 1740c25..cba51ee 100644
--- a/src/mesa/main/formats.c
+++ b/src/mesa/main/formats.c
@@ -1478,6 +1478,16 @@ static struct gl_format_info format_info[MESA_FORMAT_COUNT] =
4, 4, 16 /* 16 bytes per 4x4 block */
},
+ {
+ MESA_FORMAT_ETC2_RGB8_PUNCHTHROUGH_ALPHA1,
+ "MESA_FORMAT_ETC2_RGB8_PUNCHTHROUGH_ALPHA1",
+ GL_RGBA,
+ GL_UNSIGNED_NORMALIZED,
+ 8, 8, 8, 1,
+ 0, 0, 0, 0, 0,
+ 4, 4, 8 /* 8 bytes per 4x4 block */
+ },
+
/* Signed formats from EXT_texture_snorm that are not in GL3.1 */
{
MESA_FORMAT_SIGNED_A8,
@@ -1925,6 +1935,7 @@ _mesa_get_uncompressed_format(gl_format format)
return MESA_FORMAT_RGB888;
case MESA_FORMAT_ETC2_RGBA8_EAC:
case MESA_FORMAT_ETC2_SRGB8_ALPHA8_EAC:
+ case MESA_FORMAT_ETC2_RGB8_PUNCHTHROUGH_ALPHA1:
return MESA_FORMAT_RGBA8888;
case MESA_FORMAT_ETC2_R11_EAC:
return MESA_FORMAT_R16;
@@ -2391,6 +2402,7 @@ _mesa_format_to_type_and_comps(gl_format format,
case MESA_FORMAT_ETC2_RG11_EAC:
case MESA_FORMAT_ETC2_SIGNED_R11_EAC:
case MESA_FORMAT_ETC2_SIGNED_RG11_EAC:
+ case MESA_FORMAT_ETC2_RGB8_PUNCHTHROUGH_ALPHA1:
/* XXX generate error instead? */
*datatype = GL_UNSIGNED_BYTE;
*comps = 0;
@@ -3029,6 +3041,7 @@ _mesa_format_matches_format_and_type(gl_format gl_format,
case MESA_FORMAT_ETC2_RG11_EAC:
case MESA_FORMAT_ETC2_SIGNED_R11_EAC:
case MESA_FORMAT_ETC2_SIGNED_RG11_EAC:
+ case MESA_FORMAT_ETC2_RGB8_PUNCHTHROUGH_ALPHA1:
return GL_FALSE;
case MESA_FORMAT_SIGNED_A8:
diff --git a/src/mesa/main/formats.h b/src/mesa/main/formats.h
index 6f0d0a7..d4ca8c8 100644
--- a/src/mesa/main/formats.h
+++ b/src/mesa/main/formats.h
@@ -267,6 +267,7 @@ typedef enum
MESA_FORMAT_ETC2_RG11_EAC,
MESA_FORMAT_ETC2_SIGNED_R11_EAC,
MESA_FORMAT_ETC2_SIGNED_RG11_EAC,
+ MESA_FORMAT_ETC2_RGB8_PUNCHTHROUGH_ALPHA1,
MESA_FORMAT_SIGNED_A8, /* AAAA AAAA */
MESA_FORMAT_SIGNED_L8, /* LLLL LLLL */
diff --git a/src/mesa/main/glformats.c b/src/mesa/main/glformats.c
index 4ec1e4b..bff8890 100644
--- a/src/mesa/main/glformats.c
+++ b/src/mesa/main/glformats.c
@@ -580,6 +580,7 @@ _mesa_is_color_format(GLenum format)
case GL_COMPRESSED_RG11_EAC:
case GL_COMPRESSED_SIGNED_R11_EAC:
case GL_COMPRESSED_SIGNED_RG11_EAC:
+ case GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2:
/* generic integer formats */
case GL_RED_INTEGER_EXT:
case GL_GREEN_INTEGER_EXT:
@@ -845,6 +846,7 @@ _mesa_is_compressed_format(struct gl_context *ctx, GLenum format)
case GL_COMPRESSED_RG11_EAC:
case GL_COMPRESSED_SIGNED_R11_EAC:
case GL_COMPRESSED_SIGNED_RG11_EAC:
+ case GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2:
return _mesa_is_gles3(ctx);
#if FEATURE_ES
case GL_PALETTE4_RGB8_OES:
diff --git a/src/mesa/main/texcompress.c b/src/mesa/main/texcompress.c
index 411ca36..997023d 100644
--- a/src/mesa/main/texcompress.c
+++ b/src/mesa/main/texcompress.c
@@ -116,6 +116,7 @@ _mesa_gl_compressed_format_base_format(GLenum format)
case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT:
case GL_COMPRESSED_RGBA8_ETC2_EAC:
case GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC:
+ case GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2:
return GL_RGBA;
case GL_COMPRESSED_ALPHA:
@@ -294,6 +295,7 @@ _mesa_get_compressed_formats(struct gl_context *ctx, GLint *formats)
formats[n++] = GL_COMPRESSED_RG11_EAC;
formats[n++] = GL_COMPRESSED_SIGNED_R11_EAC;
formats[n++] = GL_COMPRESSED_SIGNED_RG11_EAC;
+ formats[n++] = GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2;
}
else {
n += 1;
@@ -395,6 +397,8 @@ _mesa_glenum_to_compressed_format(GLenum format)
return MESA_FORMAT_ETC2_SIGNED_R11_EAC;
case GL_COMPRESSED_SIGNED_RG11_EAC:
return MESA_FORMAT_ETC2_SIGNED_RG11_EAC;
+ case GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2:
+ return MESA_FORMAT_ETC2_RGB8_PUNCHTHROUGH_ALPHA1;
default:
return MESA_FORMAT_NONE;
@@ -479,6 +483,8 @@ _mesa_compressed_format_to_glenum(struct gl_context *ctx, gl_format mesaFormat)
return GL_COMPRESSED_SIGNED_R11_EAC;
case MESA_FORMAT_ETC2_SIGNED_RG11_EAC:
return GL_COMPRESSED_SIGNED_RG11_EAC;
+ case MESA_FORMAT_ETC2_RGB8_PUNCHTHROUGH_ALPHA1:
+ return GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2;
default:
_mesa_problem(ctx, "Unexpected mesa texture format in"
@@ -629,6 +635,9 @@ _mesa_decompress_image(gl_format format, GLuint width, GLuint height,
case MESA_FORMAT_ETC2_SIGNED_RG11_EAC:
fetch = _mesa_fetch_texel_2d_f_etc2_signed_rg11_eac;
break;
+ case MESA_FORMAT_ETC2_RGB8_PUNCHTHROUGH_ALPHA1:
+ fetch = _mesa_fetch_texel_2d_f_etc2_rgb8_punchthrough_alpha1;
+ break;
default:
_mesa_problem(NULL, "Unexpected format in _mesa_decompress_image()");
diff --git a/src/mesa/main/texformat.c b/src/mesa/main/texformat.c
index ba781b8..214a767 100644
--- a/src/mesa/main/texformat.c
+++ b/src/mesa/main/texformat.c
@@ -1004,6 +1004,9 @@ _mesa_choose_tex_format(struct gl_context *ctx, GLenum target,
case GL_COMPRESSED_SIGNED_RG11_EAC:
RETURN_IF_SUPPORTED(MESA_FORMAT_ETC2_SIGNED_RG11_EAC);
break;
+ case GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_ETC2_RGB8_PUNCHTHROUGH_ALPHA1);
+ break;
default:
; /* fallthrough */
}
diff --git a/src/mesa/main/teximage.c b/src/mesa/main/teximage.c
index d8b454b..398263b 100644
--- a/src/mesa/main/teximage.c
+++ b/src/mesa/main/teximage.c
@@ -532,6 +532,7 @@ _mesa_base_tex_format( struct gl_context *ctx, GLint internalFormat )
return GL_RGB;
case GL_COMPRESSED_RGBA8_ETC2_EAC:
case GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC:
+ case GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2:
return GL_RGBA;
case GL_COMPRESSED_R11_EAC:
case GL_COMPRESSED_SIGNED_R11_EAC:
diff --git a/src/mesa/main/texstore.c b/src/mesa/main/texstore.c
index 29bee8f..93b3890 100644
--- a/src/mesa/main/texstore.c
+++ b/src/mesa/main/texstore.c
@@ -4146,6 +4146,8 @@ _mesa_get_texstore_func(gl_format format)
table[MESA_FORMAT_ETC2_RG11_EAC] = _mesa_texstore_etc2_rg11_eac;
table[MESA_FORMAT_ETC2_SIGNED_R11_EAC] = _mesa_texstore_etc2_signed_r11_eac;
table[MESA_FORMAT_ETC2_SIGNED_RG11_EAC] = _mesa_texstore_etc2_signed_rg11_eac;
+ table[MESA_FORMAT_ETC2_RGB8_PUNCHTHROUGH_ALPHA1] =
+ _mesa_texstore_etc2_rgb8_punchthrough_alpha1;
table[MESA_FORMAT_SIGNED_A8] = _mesa_texstore_snorm8;
table[MESA_FORMAT_SIGNED_L8] = _mesa_texstore_snorm8;
table[MESA_FORMAT_SIGNED_AL88] = _mesa_texstore_snorm88;
--
1.7.7.6
More information about the mesa-dev
mailing list