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authorMarek Olšák <maraeo@gmail.com>2010-12-22 01:12:20 +0100
committerMarek Olšák <maraeo@gmail.com>2010-12-23 16:54:58 +0100
commitfd8aa7ac71699facf9839e2ae56b5e37579c6bcc (patch)
treec47179613e19630bbd95d7594f75edca64814864 /src
parentbb5ace68ce9e8bd171a39162ed6bd93632bd6619 (diff)
mesa: implement new texture format I16
Diffstat (limited to 'src')
-rw-r--r--src/mesa/main/formats.c10
-rw-r--r--src/mesa/main/formats.h1
-rw-r--r--src/mesa/main/texfetch.c7
-rw-r--r--src/mesa/main/texfetch_tmp.h24
-rw-r--r--src/mesa/main/texformat.c6
-rw-r--r--src/mesa/main/texstore.c6
6 files changed, 50 insertions, 4 deletions
diff --git a/src/mesa/main/formats.c b/src/mesa/main/formats.c
index 81d907f7a0..08efde53ec 100644
--- a/src/mesa/main/formats.c
+++ b/src/mesa/main/formats.c
@@ -321,6 +321,15 @@ static struct gl_format_info format_info[MESA_FORMAT_COUNT] =
1, 1, 1 /* BlockWidth/Height,Bytes */
},
{
+ MESA_FORMAT_I16, /* Name */
+ "MESA_FORMAT_I16", /* StrName */
+ GL_INTENSITY, /* BaseFormat */
+ GL_UNSIGNED_NORMALIZED, /* DataType */
+ 0, 0, 0, 0, /* Red/Green/Blue/AlphaBits */
+ 0, 16, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
+ 1, 1, 2 /* BlockWidth/Height,Bytes */
+ },
+ {
MESA_FORMAT_CI8, /* Name */
"MESA_FORMAT_CI8", /* StrName */
GL_COLOR_INDEX, /* BaseFormat */
@@ -1317,6 +1326,7 @@ _mesa_format_to_type_and_comps(gl_format format,
case MESA_FORMAT_R16:
case MESA_FORMAT_A16:
case MESA_FORMAT_L16:
+ case MESA_FORMAT_I16:
*datatype = GL_UNSIGNED_SHORT;
*comps = 1;
return;
diff --git a/src/mesa/main/formats.h b/src/mesa/main/formats.h
index afc91e3da4..b8e76664f8 100644
--- a/src/mesa/main/formats.h
+++ b/src/mesa/main/formats.h
@@ -76,6 +76,7 @@ typedef enum
MESA_FORMAT_L8, /* LLLL LLLL */
MESA_FORMAT_L16, /* LLLL LLLL LLLL LLLL */
MESA_FORMAT_I8, /* IIII IIII */
+ MESA_FORMAT_I16, /* IIII IIII IIII IIII */
MESA_FORMAT_CI8, /* CCCC CCCC */
MESA_FORMAT_YCBCR, /* YYYY YYYY UorV UorV */
MESA_FORMAT_YCBCR_REV, /* UorV UorV YYYY YYYY */
diff --git a/src/mesa/main/texfetch.c b/src/mesa/main/texfetch.c
index 4791e36759..77bbc91795 100644
--- a/src/mesa/main/texfetch.c
+++ b/src/mesa/main/texfetch.c
@@ -314,6 +314,13 @@ texfetch_funcs[MESA_FORMAT_COUNT] =
store_texel_i8
},
{
+ MESA_FORMAT_I16,
+ fetch_texel_1d_f_i16,
+ fetch_texel_2d_f_i16,
+ fetch_texel_3d_f_i16,
+ store_texel_i16
+ },
+ {
MESA_FORMAT_CI8,
fetch_texel_1d_f_ci8,
fetch_texel_2d_f_ci8,
diff --git a/src/mesa/main/texfetch_tmp.h b/src/mesa/main/texfetch_tmp.h
index 0951f86b7b..0b69b69add 100644
--- a/src/mesa/main/texfetch_tmp.h
+++ b/src/mesa/main/texfetch_tmp.h
@@ -1244,6 +1244,30 @@ static void store_texel_i8(struct gl_texture_image *texImage,
#endif
+/* MESA_FORMAT_I16 ***********************************************************/
+
+/* Fetch texel from 1D, 2D or 3D i16 texture, return 4 GLchans */
+static void FETCH(f_i16)( const struct gl_texture_image *texImage,
+ GLint i, GLint j, GLint k, GLfloat *texel )
+{
+ const GLushort *src = TEXEL_ADDR(GLushort, texImage, i, j, k, 1);
+ texel[RCOMP] =
+ texel[GCOMP] =
+ texel[BCOMP] =
+ texel[ACOMP] = USHORT_TO_FLOAT( src[0] );
+}
+
+#if DIM == 3
+static void store_texel_i16(struct gl_texture_image *texImage,
+ GLint i, GLint j, GLint k, const void *texel)
+{
+ const GLushort *rgba = (const GLushort *) texel;
+ GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 1);
+ *dst = rgba[RCOMP];
+}
+#endif
+
+
/* MESA_FORMAT_CI8 ***********************************************************/
/* Fetch CI texel from 1D, 2D or 3D ci8 texture, lookup the index in a
diff --git a/src/mesa/main/texformat.c b/src/mesa/main/texformat.c
index c701143131..82427176fb 100644
--- a/src/mesa/main/texformat.c
+++ b/src/mesa/main/texformat.c
@@ -137,11 +137,13 @@ _mesa_choose_tex_format( struct gl_context *ctx, GLint internalFormat,
case GL_INTENSITY:
case GL_INTENSITY4:
- case GL_INTENSITY12:
- case GL_INTENSITY16:
case GL_INTENSITY8:
return MESA_FORMAT_I8;
+ case GL_INTENSITY12:
+ case GL_INTENSITY16:
+ return MESA_FORMAT_I16;
+
case GL_COLOR_INDEX:
case GL_COLOR_INDEX1_EXT:
case GL_COLOR_INDEX2_EXT:
diff --git a/src/mesa/main/texstore.c b/src/mesa/main/texstore.c
index e43636eafc..acb390b781 100644
--- a/src/mesa/main/texstore.c
+++ b/src/mesa/main/texstore.c
@@ -2357,7 +2357,7 @@ _mesa_texstore_unorm1616(TEXSTORE_PARAMS)
}
-/* Texstore for R16, A16, L16. */
+/* Texstore for R16, A16, L16, I16. */
static GLboolean
_mesa_texstore_unorm16(TEXSTORE_PARAMS)
{
@@ -2367,7 +2367,8 @@ _mesa_texstore_unorm16(TEXSTORE_PARAMS)
ASSERT(dstFormat == MESA_FORMAT_R16 ||
dstFormat == MESA_FORMAT_A16 ||
- dstFormat == MESA_FORMAT_L16);
+ dstFormat == MESA_FORMAT_L16 ||
+ dstFormat == MESA_FORMAT_I16);
ASSERT(texelBytes == 2);
if (!ctx->_ImageTransferState &&
@@ -4053,6 +4054,7 @@ texstore_funcs[MESA_FORMAT_COUNT] =
{ MESA_FORMAT_L8, _mesa_texstore_a8 },
{ MESA_FORMAT_L16, _mesa_texstore_unorm16 },
{ MESA_FORMAT_I8, _mesa_texstore_a8 },
+ { MESA_FORMAT_I16, _mesa_texstore_unorm16 },
{ MESA_FORMAT_CI8, _mesa_texstore_ci8 },
{ MESA_FORMAT_YCBCR, _mesa_texstore_ycbcr },
{ MESA_FORMAT_YCBCR_REV, _mesa_texstore_ycbcr },