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-rw-r--r--src/mesa/main/extensions.c1
-rw-r--r--src/mesa/main/mtypes.h1
-rw-r--r--src/mesa/main/texformat.c223
-rw-r--r--src/mesa/main/texformat.h16
-rw-r--r--src/mesa/main/texformat_tmp.h184
-rw-r--r--src/mesa/main/texstore.c122
-rw-r--r--src/mesa/main/texstore.h4
7 files changed, 548 insertions, 3 deletions
diff --git a/src/mesa/main/extensions.c b/src/mesa/main/extensions.c
index 195fdde346..f43b3a4790 100644
--- a/src/mesa/main/extensions.c
+++ b/src/mesa/main/extensions.c
@@ -78,6 +78,7 @@ static const struct {
{ OFF, "GL_ARB_texture_mirrored_repeat", F(ARB_texture_mirrored_repeat)},
{ OFF, "GL_ARB_texture_non_power_of_two", F(ARB_texture_non_power_of_two)},
{ OFF, "GL_ARB_texture_rectangle", F(NV_texture_rectangle) },
+ { OFF, "GL_ARB_texture_rg", F(ARB_texture_rg) },
{ ON, "GL_ARB_transpose_matrix", F(ARB_transpose_matrix) },
{ OFF, "GL_ARB_vertex_array_bgra", F(EXT_vertex_array_bgra) },
{ OFF, "GL_ARB_vertex_array_object", F(ARB_vertex_array_object) },
diff --git a/src/mesa/main/mtypes.h b/src/mesa/main/mtypes.h
index 2d497ff2c6..340940de40 100644
--- a/src/mesa/main/mtypes.h
+++ b/src/mesa/main/mtypes.h
@@ -2476,6 +2476,7 @@ struct gl_extensions
GLboolean ARB_texture_float;
GLboolean ARB_texture_mirrored_repeat;
GLboolean ARB_texture_non_power_of_two;
+ GLboolean ARB_texture_rg;
GLboolean ARB_transpose_matrix;
GLboolean ARB_vertex_array_object;
GLboolean ARB_vertex_buffer_object;
diff --git a/src/mesa/main/texformat.c b/src/mesa/main/texformat.c
index c709004784..0cf4ae8e21 100644
--- a/src/mesa/main/texformat.c
+++ b/src/mesa/main/texformat.c
@@ -187,6 +187,54 @@ const struct gl_texture_format _mesa_texformat_rgb = {
store_texel_rgb /* StoreTexel */
};
+const struct gl_texture_format _mesa_texformat_rg = {
+ MESA_FORMAT_RG, /* MesaFormat */
+ GL_RG, /* BaseFormat */
+ GL_UNSIGNED_NORMALIZED_ARB, /* DataType */
+ CHAN_BITS, /* RedBits */
+ CHAN_BITS, /* GreenBits */
+ 0, /* BlueBits */
+ 0, /* AlphaBits */
+ 0, /* LuminanceBits */
+ 0, /* IntensityBits */
+ 0, /* IndexBits */
+ 0, /* DepthBits */
+ 0, /* StencilBits */
+ 2 * sizeof(GLchan), /* TexelBytes */
+ _mesa_texstore_rgba,/*yes*/ /* StoreTexImageFunc */
+ NULL, /* FetchTexel1D */
+ NULL, /* FetchTexel2D */
+ NULL, /* FetchTexel3D */
+ fetch_texel_1d_f_rg, /* FetchTexel1Df */
+ fetch_texel_2d_f_rg, /* FetchTexel2Df */
+ fetch_texel_3d_f_rg, /* FetchTexel3Df */
+ store_texel_rg /* StoreTexel */
+};
+
+const struct gl_texture_format _mesa_texformat_r = {
+ MESA_FORMAT_R, /* MesaFormat */
+ GL_RED, /* BaseFormat */
+ GL_UNSIGNED_NORMALIZED_ARB, /* DataType */
+ CHAN_BITS, /* RedBits */
+ 0, /* GreenBits */
+ 0, /* BlueBits */
+ 0, /* AlphaBits */
+ 0, /* LuminanceBits */
+ 0, /* IntensityBits */
+ 0, /* IndexBits */
+ 0, /* DepthBits */
+ 0, /* StencilBits */
+ 1 * sizeof(GLchan), /* TexelBytes */
+ _mesa_texstore_rgba,/*yes*/ /* StoreTexImageFunc */
+ NULL, /* FetchTexel1D */
+ NULL, /* FetchTexel2D */
+ NULL, /* FetchTexel3D */
+ fetch_texel_1d_f_r, /* FetchTexel1Df */
+ fetch_texel_2d_f_r, /* FetchTexel2Df */
+ fetch_texel_3d_f_r, /* FetchTexel3Df */
+ store_texel_r /* StoreTexel */
+};
+
const struct gl_texture_format _mesa_texformat_alpha = {
MESA_FORMAT_ALPHA, /* MesaFormat */
GL_ALPHA, /* BaseFormat */
@@ -1426,6 +1474,150 @@ const struct gl_texture_format _mesa_texformat_z32 = {
store_texel_z32 /* StoreTexel */
};
+const struct gl_texture_format _mesa_texformat_rg88 = {
+ MESA_FORMAT_RG88, /* MesaFormat */
+ GL_RG, /* BaseFormat */
+ GL_UNSIGNED_NORMALIZED_ARB, /* DataType */
+ 8, /* RedBits */
+ 8, /* GreenBits */
+ 0, /* BlueBits */
+ 0, /* AlphaBits */
+ 0, /* LuminanceBits */
+ 0, /* IntensityBits */
+ 0, /* IndexBits */
+ 0, /* DepthBits */
+ 0, /* StencilBits */
+ 2, /* TexelBytes */
+ _mesa_texstore_rg88, /* StoreTexImageFunc */
+ NULL, /* FetchTexel1D */
+ NULL, /* FetchTexel2D */
+ NULL, /* FetchTexel3D */
+ fetch_texel_1d_f_rg88, /* FetchTexel1Df */
+ fetch_texel_2d_f_rg88, /* FetchTexel2Df */
+ fetch_texel_3d_f_rg88, /* FetchTexel3Df */
+ store_texel_rg88 /* StoreTexel */
+};
+
+const struct gl_texture_format _mesa_texformat_rg88_rev = {
+ MESA_FORMAT_RG88_REV, /* MesaFormat */
+ GL_RG, /* BaseFormat */
+ GL_UNSIGNED_NORMALIZED_ARB, /* DataType */
+ 8, /* RedBits */
+ 8, /* GreenBits */
+ 0, /* BlueBits */
+ 0, /* AlphaBits */
+ 0, /* LuminanceBits */
+ 0, /* IntensityBits */
+ 0, /* IndexBits */
+ 0, /* DepthBits */
+ 0, /* StencilBits */
+ 2, /* TexelBytes */
+ _mesa_texstore_rg88, /* StoreTexImageFunc */
+ NULL, /* FetchTexel1D */
+ NULL, /* FetchTexel2D */
+ NULL, /* FetchTexel3D */
+ fetch_texel_1d_f_rg88_rev, /* FetchTexel1Df */
+ fetch_texel_2d_f_rg88_rev, /* FetchTexel2Df */
+ fetch_texel_3d_f_rg88_rev, /* FetchTexel3Df */
+ store_texel_rg88_rev /* StoreTexel */
+};
+
+const struct gl_texture_format _mesa_texformat_rg1616 = {
+ MESA_FORMAT_RG1616, /* MesaFormat */
+ GL_RG, /* BaseFormat */
+ GL_UNSIGNED_NORMALIZED_ARB, /* DataType */
+ 16, /* RedBits */
+ 16, /* GreenBits */
+ 0, /* BlueBits */
+ 0, /* AlphaBits */
+ 0, /* LuminanceBits */
+ 0, /* IntensityBits */
+ 0, /* IndexBits */
+ 0, /* DepthBits */
+ 0, /* StencilBits */
+ 4, /* TexelBytes */
+ _mesa_texstore_rg1616, /* StoreTexImageFunc */
+ NULL, /* FetchTexel1D */
+ NULL, /* FetchTexel2D */
+ NULL, /* FetchTexel3D */
+ fetch_texel_1d_f_rg1616, /* FetchTexel1Df */
+ fetch_texel_2d_f_rg1616, /* FetchTexel2Df */
+ fetch_texel_3d_f_rg1616, /* FetchTexel3Df */
+ store_texel_rg1616 /* StoreTexel */
+};
+
+const struct gl_texture_format _mesa_texformat_rg1616_rev = {
+ MESA_FORMAT_RG1616_REV, /* MesaFormat */
+ GL_RG, /* BaseFormat */
+ GL_UNSIGNED_NORMALIZED_ARB, /* DataType */
+ 16, /* RedBits */
+ 16, /* GreenBits */
+ 0, /* BlueBits */
+ 0, /* AlphaBits */
+ 0, /* LuminanceBits */
+ 0, /* IntensityBits */
+ 0, /* IndexBits */
+ 0, /* DepthBits */
+ 0, /* StencilBits */
+ 4, /* TexelBytes */
+ _mesa_texstore_rg1616, /* StoreTexImageFunc */
+ NULL, /* FetchTexel1D */
+ NULL, /* FetchTexel2D */
+ NULL, /* FetchTexel3D */
+ fetch_texel_1d_f_rg1616_rev, /* FetchTexel1Df */
+ fetch_texel_2d_f_rg1616_rev, /* FetchTexel2Df */
+ fetch_texel_3d_f_rg1616_rev, /* FetchTexel3Df */
+ store_texel_rg1616_rev /* StoreTexel */
+};
+
+const struct gl_texture_format _mesa_texformat_r8 = {
+ MESA_FORMAT_R8, /* MesaFormat */
+ GL_RED, /* BaseFormat */
+ GL_UNSIGNED_NORMALIZED_ARB, /* DataType */
+ 8, /* RedBits */
+ 0, /* GreenBits */
+ 0, /* BlueBits */
+ 0, /* AlphaBits */
+ 0, /* LuminanceBits */
+ 0, /* IntensityBits */
+ 0, /* IndexBits */
+ 0, /* DepthBits */
+ 0, /* StencilBits */
+ 1, /* TexelBytes */
+ _mesa_texstore_r8, /* StoreTexImageFunc */
+ NULL, /* FetchTexel1D */
+ NULL, /* FetchTexel2D */
+ NULL, /* FetchTexel3D */
+ fetch_texel_1d_f_r8, /* FetchTexel1Df */
+ fetch_texel_2d_f_r8, /* FetchTexel2Df */
+ fetch_texel_3d_f_r8, /* FetchTexel3Df */
+ store_texel_r8 /* StoreTexel */
+};
+
+const struct gl_texture_format _mesa_texformat_r16 = {
+ MESA_FORMAT_R16, /* MesaFormat */
+ GL_RED, /* BaseFormat */
+ GL_UNSIGNED_NORMALIZED_ARB, /* DataType */
+ 16, /* RedBits */
+ 0, /* GreenBits */
+ 0, /* BlueBits */
+ 0, /* AlphaBits */
+ 0, /* LuminanceBits */
+ 0, /* IntensityBits */
+ 0, /* IndexBits */
+ 0, /* DepthBits */
+ 0, /* StencilBits */
+ 2, /* TexelBytes */
+ _mesa_texstore_r16, /* StoreTexImageFunc */
+ NULL, /* FetchTexel1D */
+ NULL, /* FetchTexel2D */
+ NULL, /* FetchTexel3D */
+ fetch_texel_1d_f_r16, /* FetchTexel1Df */
+ fetch_texel_2d_f_r16, /* FetchTexel2Df */
+ fetch_texel_3d_f_r16, /* FetchTexel3Df */
+ store_texel_r16 /* StoreTexel */
+};
+
/*@}*/
@@ -1784,8 +1976,28 @@ _mesa_choose_tex_format( GLcontext *ctx, GLint internalFormat,
}
#endif /* FEATURE_EXT_texture_sRGB */
- _mesa_problem(ctx, "unexpected format in _mesa_choose_tex_format()");
- return NULL;
+ if (ctx->Extensions.ARB_texture_rg) {
+ switch (internalFormat) {
+ case GL_RG:
+ return &_mesa_texformat_rg;
+ case GL_RG8:
+ return &_mesa_texformat_rg88;
+ case GL_RG16:
+ return &_mesa_texformat_rg1616;
+
+ case GL_RED:
+ return &_mesa_texformat_r;
+ case GL_R8:
+ return &_mesa_texformat_r8;
+ case GL_R16:
+ return &_mesa_texformat_r16;
+
+ default:
+ ; /* fallthrough */
+ }
+ _mesa_problem(ctx, "unexpected format in _mesa_choose_tex_format()");
+ return NULL;
+ }
}
@@ -1831,6 +2043,8 @@ _mesa_format_to_type_and_comps(const struct gl_texture_format *format,
case MESA_FORMAT_AL88:
case MESA_FORMAT_AL88_REV:
+ case MESA_FORMAT_RG88:
+ case MESA_FORMAT_RG88_REV:
*datatype = GL_UNSIGNED_BYTE;
*comps = 2;
return;
@@ -1843,12 +2057,14 @@ _mesa_format_to_type_and_comps(const struct gl_texture_format *format,
case MESA_FORMAT_L8:
case MESA_FORMAT_I8:
case MESA_FORMAT_CI8:
+ case MESA_FORMAT_R8:
*datatype = GL_UNSIGNED_BYTE;
*comps = 1;
return;
case MESA_FORMAT_YCBCR:
case MESA_FORMAT_YCBCR_REV:
+ case MESA_FORMAT_RG1616:
*datatype = GL_UNSIGNED_SHORT;
*comps = 2;
return;
@@ -1864,6 +2080,7 @@ _mesa_format_to_type_and_comps(const struct gl_texture_format *format,
return;
case MESA_FORMAT_Z16:
+ case MESA_FORMAT_R16:
*datatype = GL_UNSIGNED_SHORT;
*comps = 1;
return;
@@ -1934,12 +2151,14 @@ _mesa_format_to_type_and_comps(const struct gl_texture_format *format,
*comps = 3;
return;
case MESA_FORMAT_LUMINANCE_ALPHA:
+ case MESA_FORMAT_RG:
*datatype = CHAN_TYPE;
*comps = 2;
return;
case MESA_FORMAT_ALPHA:
case MESA_FORMAT_LUMINANCE:
case MESA_FORMAT_INTENSITY:
+ case MESA_FORMAT_R:
*datatype = CHAN_TYPE;
*comps = 1;
return;
diff --git a/src/mesa/main/texformat.h b/src/mesa/main/texformat.h
index 5aa1d756cb..840dc0db05 100644
--- a/src/mesa/main/texformat.h
+++ b/src/mesa/main/texformat.h
@@ -77,6 +77,12 @@ enum _format {
MESA_FORMAT_RGBA5551, /* RRRR RGGG GGBB BBBA */
MESA_FORMAT_ARGB1555, /* ARRR RRGG GGGB BBBB */
MESA_FORMAT_ARGB1555_REV, /* GGGB BBBB ARRR RRGG */
+ MESA_FORMAT_RG88, /* RRRR RRRR GGGG GGGG */
+ MESA_FORMAT_RG88_REV, /* GGGG GGGG RRRR RRRR */
+ MESA_FORMAT_RG1616, /* RRRR RRRR RRRR RRRR GGGG GGGG GGGG GGGG */
+ MESA_FORMAT_RG1616_REV, /* GGGG GGGG GGGG GGGG RRRR RRRR RRRR RRRR */
+ MESA_FORMAT_R8, /* RRRR RRRR */
+ MESA_FORMAT_R16, /* RRRR RRRR RRRR RRRR */
MESA_FORMAT_AL88, /* AAAA AAAA LLLL LLLL */
MESA_FORMAT_AL88_REV, /* LLLL LLLL AAAA AAAA */
MESA_FORMAT_RGB332, /* RRRG GGBB */
@@ -140,6 +146,8 @@ enum _format {
/*@{*/
MESA_FORMAT_RGBA,
MESA_FORMAT_RGB,
+ MESA_FORMAT_RG,
+ MESA_FORMAT_R,
MESA_FORMAT_ALPHA,
MESA_FORMAT_LUMINANCE,
MESA_FORMAT_LUMINANCE_ALPHA,
@@ -179,6 +187,8 @@ enum _format {
/*@{*/
extern const struct gl_texture_format _mesa_texformat_rgba;
extern const struct gl_texture_format _mesa_texformat_rgb;
+extern const struct gl_texture_format _mesa_texformat_rg;
+extern const struct gl_texture_format _mesa_texformat_r;
extern const struct gl_texture_format _mesa_texformat_alpha;
extern const struct gl_texture_format _mesa_texformat_luminance;
extern const struct gl_texture_format _mesa_texformat_luminance_alpha;
@@ -241,6 +251,12 @@ extern const struct gl_texture_format _mesa_texformat_argb4444_rev;
extern const struct gl_texture_format _mesa_texformat_argb1555;
extern const struct gl_texture_format _mesa_texformat_argb1555_rev;
extern const struct gl_texture_format _mesa_texformat_rgba5551;
+extern const struct gl_texture_format _mesa_texformat_rg88;
+extern const struct gl_texture_format _mesa_texformat_rg88_rev;
+extern const struct gl_texture_format _mesa_texformat_r8;
+extern const struct gl_texture_format _mesa_texformat_rg1616;
+extern const struct gl_texture_format _mesa_texformat_rg1616_rev;
+extern const struct gl_texture_format _mesa_texformat_r16;
extern const struct gl_texture_format _mesa_texformat_al88;
extern const struct gl_texture_format _mesa_texformat_al88_rev;
extern const struct gl_texture_format _mesa_texformat_rgb332;
diff --git a/src/mesa/main/texformat_tmp.h b/src/mesa/main/texformat_tmp.h
index eb160deff9..178167e15d 100644
--- a/src/mesa/main/texformat_tmp.h
+++ b/src/mesa/main/texformat_tmp.h
@@ -122,6 +122,53 @@ static void store_texel_rgb(struct gl_texture_image *texImage,
}
#endif
+/* MESA_FORMAT_RG ***********************************************************/
+
+/* Fetch texel from 1D, 2D or 3D RG texture, returning 4 GLfloats */
+static void FETCH(f_rg)(const struct gl_texture_image *texImage,
+ GLint i, GLint j, GLint k, GLfloat *texel)
+{
+ const GLchan *src = TEXEL_ADDR(GLchan, texImage, i, j, k, 2);
+ texel[RCOMP] = CHAN_TO_FLOAT(src[0]);
+ texel[GCOMP] = CHAN_TO_FLOAT(src[1]);
+ texel[BCOMP] = 0.0F;
+ texel[ACOMP] = 1.0F;
+}
+
+#if DIM == 3
+static void store_texel_rg(struct gl_texture_image *texImage,
+ GLint i, GLint j, GLint k, const void *texel)
+{
+ const GLchan *rgba = (const GLchan *) texel;
+ GLchan *dst = TEXEL_ADDR(GLchan, texImage, i, j, k, 2);
+ dst[0] = rgba[RCOMP];
+ dst[1] = rgba[GCOMP];
+}
+#endif
+
+/* MESA_FORMAT_R ***********************************************************/
+
+/* Fetch texel from 1D, 2D or 3D RED texture, returning 4 GLfloats */
+static void FETCH(f_r)(const struct gl_texture_image *texImage,
+ GLint i, GLint j, GLint k, GLfloat *texel)
+{
+ const GLchan *src = TEXEL_ADDR(GLchan, texImage, i, j, k, 1);
+ texel[RCOMP] = CHAN_TO_FLOAT(src[0]);
+ texel[GCOMP] = 0.0F;
+ texel[BCOMP] = 0.0F;
+ texel[ACOMP] = 1.0F;
+}
+
+#if DIM == 3
+static void store_texel_r(struct gl_texture_image *texImage,
+ GLint i, GLint j, GLint k, const void *texel)
+{
+ const GLchan *rgba = (const GLchan *) texel;
+ GLchan *dst = TEXEL_ADDR(GLchan, texImage, i, j, k, 1);
+ dst[0] = rgba[RCOMP];
+}
+#endif
+
/* MESA_FORMAT_ALPHA *********************************************************/
/* Fetch texel from 1D, 2D or 3D ALPHA texture, returning 4 GLchans */
@@ -934,6 +981,143 @@ static void store_texel_argb1555_rev(struct gl_texture_image *texImage,
#endif
+/* MESA_FORMAT_RG88 **********************************************************/
+
+/* Fetch texel from 1D, 2D or 3D rg88 texture, return 4 GLchans */
+static void FETCH(f_rg88)(const struct gl_texture_image *texImage,
+ GLint i, GLint j, GLint k, GLfloat *texel)
+{
+ const GLushort s = *TEXEL_ADDR(GLushort, texImage, i, j, k, 1);
+ texel[RCOMP] = UBYTE_TO_FLOAT( s & 0xff );
+ texel[GCOMP] = UBYTE_TO_FLOAT( s >> 8 );
+ texel[BCOMP] = 0.0F;
+ texel[ACOMP] = 1.0F;
+}
+
+#if DIM == 3
+static void store_texel_rg88(struct gl_texture_image *texImage,
+ GLint i, GLint j, GLint k, const void *texel)
+{
+ const GLubyte *rgba = (const GLubyte *) texel;
+ GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 1);
+ *dst = PACK_COLOR_88(rgba[GCOMP], rgba[RCOMP]);
+}
+#endif
+
+
+/* MESA_FORMAT_RG88_REV ******************************************************/
+
+/* Fetch texel from 1D, 2D or 3D rg88_rev texture, return 4 GLchans */
+static void FETCH(f_rg88_rev)(const struct gl_texture_image *texImage,
+ GLint i, GLint j, GLint k, GLfloat *texel)
+{
+ const GLushort s = *TEXEL_ADDR(GLushort, texImage, i, j, k, 1);
+ texel[RCOMP] = UBYTE_TO_FLOAT( s >> 8 );
+ texel[GCOMP] = UBYTE_TO_FLOAT( s & 0xff );
+ texel[BCOMP] = 0.0F;
+ texel[ACOMP] = 1.0F;
+}
+
+#if DIM == 3
+static void store_texel_rg88_rev(struct gl_texture_image *texImage,
+ GLint i, GLint j, GLint k, const void *texel)
+{
+ const GLubyte *rgba = (const GLubyte *) texel;
+ GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 1);
+ *dst = PACK_COLOR_88(rgba[RCOMP], rgba[GCOMP]);
+}
+#endif
+
+
+/* MESA_FORMAT_R8 ************************************************************/
+
+/* Fetch texel from 1D, 2D or 3D r8 texture, return 4 GLchans */
+static void FETCH(f_r8)(const struct gl_texture_image *texImage,
+ GLint i, GLint j, GLint k, GLfloat *texel)
+{
+ const GLubyte *src = TEXEL_ADDR(GLubyte, texImage, i, j, k, 1);
+ texel[RCOMP] = UBYTE_TO_FLOAT( src[0] );
+ texel[GCOMP] = 0.0F;
+ texel[BCOMP] = 0.0F;
+ texel[ACOMP] = 1.0F;
+}
+
+#if DIM == 3
+static void store_texel_r8(struct gl_texture_image *texImage,
+ GLint i, GLint j, GLint k, const void *texel)
+{
+ const GLubyte *rgba = (const GLubyte *) texel;
+ GLubyte *dst = TEXEL_ADDR(GLubyte, texImage, i, j, k, 1);
+ *dst = rgba[RCOMP];
+}
+#endif
+
+
+/* MESA_FORMAT_RG1616 ********************************************************/
+
+/* Fetch depth texel from 1D, 2D or 3D rg1616 texture, return 4 GLchans */
+static void FETCH(f_rg1616)(const struct gl_texture_image *texImage,
+ GLint i, GLint j, GLint k, GLfloat *texel)
+{
+ const GLuint s = *TEXEL_ADDR(GLuint, texImage, i, j, k, 1);
+ texel[0] = (s >> 16) * (1.0F / 65535.0F);
+ texel[1] = (s & 0xffff) * (1.0F / 65535.0F);
+}
+
+#if DIM == 3
+static void store_texel_rg1616(struct gl_texture_image *texImage,
+ GLint i, GLint j, GLint k, const void *texel)
+{
+ const GLushort *rgba = (const GLushort *) texel;
+ GLuint *dst = TEXEL_ADDR(GLuint, texImage, i, j, k, 1);
+ *dst = (((GLuint) rgba[RCOMP]) << 16) | (GLuint) rgba[GCOMP];
+}
+#endif
+
+
+/* MESA_FORMAT_RG1616_REV ****************************************************/
+
+/* Fetch depth texel from 1D, 2D or 3D rg1616_rev texture, return 4 GLchans */
+static void FETCH(f_rg1616_rev)(const struct gl_texture_image *texImage,
+ GLint i, GLint j, GLint k, GLfloat *texel)
+{
+ const GLuint s = *TEXEL_ADDR(GLuint, texImage, i, j, k, 1);
+ texel[0] = (s & 0xffff) * (1.0F / 65535.0F);
+ texel[1] = (s >> 16) * (1.0F / 65535.0F);
+}
+
+#if DIM == 3
+static void store_texel_rg1616_rev(struct gl_texture_image *texImage,
+ GLint i, GLint j, GLint k, const void *texel)
+{
+ const GLushort *rgba = (const GLushort *) texel;
+ GLuint *dst = TEXEL_ADDR(GLuint, texImage, i, j, k, 1);
+ *dst = (((GLuint) rgba[GCOMP]) << 16) | (GLuint) rgba[RCOMP];
+}
+#endif
+
+
+/* MESA_FORMAT_R16 ***********************************************************/
+
+/* Fetch depth texel from 1D, 2D or 3D r16 texture, return 4 GLchans */
+static void FETCH(f_r16)(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[0] = src[0] * (1.0F / 65535.0F);
+}
+
+#if DIM == 3
+static void store_texel_r16(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[0] = rgba[RCOMP];
+}
+#endif
+
+
/* MESA_FORMAT_AL88 **********************************************************/
/* Fetch texel from 1D, 2D or 3D al88 texture, return 4 GLchans */
diff --git a/src/mesa/main/texstore.c b/src/mesa/main/texstore.c
index a22db628d3..ff8868cb3c 100644
--- a/src/mesa/main/texstore.c
+++ b/src/mesa/main/texstore.c
@@ -2146,6 +2146,125 @@ _mesa_texstore_argb1555(TEXSTORE_PARAMS)
}
+/**
+ * Store a texture in MESA_FORMAT_RG88 or MESA_FORMAT_RG88_REV.
+ */
+GLboolean
+_mesa_texstore_rg88(TEXSTORE_PARAMS)
+{
+ const GLboolean littleEndian = _mesa_little_endian();
+
+ ASSERT(dstFormat == &_mesa_texformat_rg88 ||
+ dstFormat == &_mesa_texformat_rg88_rev);
+ ASSERT(dstFormat->TexelBytes == 2);
+
+ if (!ctx->_ImageTransferState &&
+ !srcPacking->SwapBytes &&
+ dstFormat == &_mesa_texformat_rg88 &&
+ baseInternalFormat == GL_RG &&
+ ((srcFormat == GL_RG && srcType == GL_UNSIGNED_BYTE && !littleEndian))) {
+ /* simple memcpy path */
+ memcpy_texture(ctx, dims,
+ dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,
+ dstRowStride,
+ dstImageOffsets,
+ srcWidth, srcHeight, srcDepth, srcFormat, srcType,
+ srcAddr, srcPacking);
+ }
+ else if (!ctx->_ImageTransferState &&
+ !srcPacking->SwapBytes &&
+ dstFormat == &_mesa_texformat_rg88_rev &&
+ baseInternalFormat == GL_RG &&
+ ((srcFormat == GL_RG && srcType == GL_UNSIGNED_BYTE && littleEndian))) {
+ /* simple memcpy path */
+ memcpy_texture(ctx, dims,
+ dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,
+ dstRowStride,
+ dstImageOffsets,
+ srcWidth, srcHeight, srcDepth, srcFormat, srcType,
+ srcAddr, srcPacking);
+ }
+ else if (!ctx->_ImageTransferState &&
+ (srcType == GL_UNSIGNED_BYTE) &&
+ can_swizzle(baseInternalFormat) &&
+ can_swizzle(srcFormat)) {
+
+ GLubyte dstmap[4];
+
+ /* dstmap - how to swizzle from RG to dst format:
+ */
+ if ((littleEndian && dstFormat == &_mesa_texformat_rg88) ||
+ (!littleEndian && dstFormat == &_mesa_texformat_rg88_rev)) {
+ dstmap[1] = 0;
+ dstmap[0] = 1;
+ }
+ else {
+ dstmap[1] = 1;
+ dstmap[0] = 0;
+ }
+ dstmap[2] = ZERO; /* ? */
+ dstmap[3] = ONE; /* ? */
+
+ _mesa_swizzle_ubyte_image(ctx, dims,
+ srcFormat,
+ srcType,
+ baseInternalFormat,
+ dstmap, 2,
+ dstAddr, dstXoffset, dstYoffset, dstZoffset,
+ dstRowStride, dstImageOffsets,
+ srcWidth, srcHeight, srcDepth, srcAddr,
+ srcPacking);
+ }
+ else {
+ /* general path */
+ const GLchan *tempImage = _mesa_make_temp_chan_image(ctx, dims,
+ baseInternalFormat,
+ dstFormat->BaseFormat,
+ srcWidth, srcHeight, srcDepth,
+ srcFormat, srcType, srcAddr,
+ srcPacking);
+ const GLchan *src = tempImage;
+ GLint img, row, col;
+ if (!tempImage)
+ return GL_FALSE;
+ _mesa_adjust_image_for_convolution(ctx, dims, &srcWidth, &srcHeight);
+ for (img = 0; img < srcDepth; img++) {
+ GLubyte *dstRow = (GLubyte *) dstAddr
+ + dstImageOffsets[dstZoffset + img] * dstFormat->TexelBytes
+ + dstYoffset * dstRowStride
+ + dstXoffset * dstFormat->TexelBytes;
+ for (row = 0; row < srcHeight; row++) {
+ GLuint *dstUI = (GLuint *) dstRow;
+ if (dstFormat == &_mesa_texformat_rg88) {
+ for (col = 0; col < srcWidth; col++) {
+ dstUI[col] = PACK_COLOR_88(CHAN_TO_UBYTE(src[RCOMP]),
+ CHAN_TO_UBYTE(src[GCOMP]));
+ src += 2;
+ }
+ }
+ else {
+ for (col = 0; col < srcWidth; col++) {
+ dstUI[col] = PACK_COLOR_88_REV(CHAN_TO_UBYTE(src[RCOMP]),
+ CHAN_TO_UBYTE(src[GCOMP]));
+ src += 2;
+ }
+ }
+ dstRow += dstRowStride;
+ }
+ }
+ _mesa_free((void *) tempImage);
+ }
+ return GL_TRUE;
+}
+
+
+GLboolean
+_mesa_texstore_rg1616(TEXSTORE_PARAMS)
+{
+ return GL_FALSE;
+}
+
+
GLboolean
_mesa_texstore_al88(TEXSTORE_PARAMS)
{
@@ -2307,7 +2426,8 @@ _mesa_texstore_a8(TEXSTORE_PARAMS)
{
ASSERT(dstFormat == &_mesa_texformat_a8 ||
dstFormat == &_mesa_texformat_l8 ||
- dstFormat == &_mesa_texformat_i8);
+ dstFormat == &_mesa_texformat_i8 ||
+ dstFormat == &_mesa_texformat_r8);
ASSERT(dstFormat->TexelBytes == 1);
if (!ctx->_ImageTransferState &&
diff --git a/src/mesa/main/texstore.h b/src/mesa/main/texstore.h
index 313f2d6a59..50d6aeaa8c 100644
--- a/src/mesa/main/texstore.h
+++ b/src/mesa/main/texstore.h
@@ -53,6 +53,10 @@ extern GLboolean _mesa_texstore_argb4444_rev(TEXSTORE_PARAMS);
extern GLboolean _mesa_texstore_rgba5551(TEXSTORE_PARAMS);
extern GLboolean _mesa_texstore_argb1555(TEXSTORE_PARAMS);
extern GLboolean _mesa_texstore_argb1555_rev(TEXSTORE_PARAMS);
+extern GLboolean _mesa_texstore_r8(TEXSTORE_PARAMS);
+extern GLboolean _mesa_texstore_rg88(TEXSTORE_PARAMS);
+extern GLboolean _mesa_texstore_r16(TEXSTORE_PARAMS);
+extern GLboolean _mesa_texstore_rg1616(TEXSTORE_PARAMS);
extern GLboolean _mesa_texstore_al88(TEXSTORE_PARAMS);
extern GLboolean _mesa_texstore_al88_rev(TEXSTORE_PARAMS);
extern GLboolean _mesa_texstore_rgb332(TEXSTORE_PARAMS);