diff options
author | Brian <brian.paul@tungstengraphics.com> | 2008-02-08 16:46:12 -0700 |
---|---|---|
committer | Keith Whitwell <keith@tungstengraphics.com> | 2008-09-21 22:13:54 -0700 |
commit | 12dc9c99b9f15eb9e0c4f7cd493d776f6d4162ed (patch) | |
tree | f6cc09054555637e6b9f94d1cb77cd46c0098952 /src | |
parent | b08200237968e3129d0cb35e03b2a5514b1dcb53 (diff) |
move _mesa_format_to_type_and_comps() to texformat.c
(cherry picked from commit 42eac65da45fb58bffdf94ab8f9860d8cee5b256)
Diffstat (limited to 'src')
-rw-r--r-- | src/mesa/main/mipmap.c | 168 | ||||
-rw-r--r-- | src/mesa/main/texformat.c | 171 | ||||
-rw-r--r-- | src/mesa/main/texformat.h | 6 |
3 files changed, 178 insertions, 167 deletions
diff --git a/src/mesa/main/mipmap.c b/src/mesa/main/mipmap.c index 09709d17874..b3e40c2da98 100644 --- a/src/mesa/main/mipmap.c +++ b/src/mesa/main/mipmap.c @@ -45,172 +45,6 @@ bytes_per_pixel(GLenum datatype, GLuint comps) } -static void -mesa_format_to_type_and_comps(const struct gl_texture_format *format, - GLenum *datatype, GLuint *comps) -{ - switch (format->MesaFormat) { - case MESA_FORMAT_RGBA8888: - case MESA_FORMAT_RGBA8888_REV: - case MESA_FORMAT_ARGB8888: - case MESA_FORMAT_ARGB8888_REV: - *datatype = CHAN_TYPE; - *comps = 4; - return; - case MESA_FORMAT_RGB888: - case MESA_FORMAT_BGR888: - *datatype = GL_UNSIGNED_BYTE; - *comps = 3; - return; - case MESA_FORMAT_RGB565: - case MESA_FORMAT_RGB565_REV: - *datatype = GL_UNSIGNED_SHORT_5_6_5; - *comps = 3; - return; - - case MESA_FORMAT_ARGB4444: - case MESA_FORMAT_ARGB4444_REV: - *datatype = GL_UNSIGNED_SHORT_4_4_4_4; - *comps = 4; - return; - - case MESA_FORMAT_ARGB1555: - case MESA_FORMAT_ARGB1555_REV: - *datatype = GL_UNSIGNED_SHORT_1_5_5_5_REV; - *comps = 3; - return; - - case MESA_FORMAT_AL88: - case MESA_FORMAT_AL88_REV: - *datatype = GL_UNSIGNED_BYTE; - *comps = 2; - return; - case MESA_FORMAT_RGB332: - *datatype = GL_UNSIGNED_BYTE_3_3_2; - *comps = 3; - return; - - case MESA_FORMAT_A8: - case MESA_FORMAT_L8: - case MESA_FORMAT_I8: - case MESA_FORMAT_CI8: - *datatype = GL_UNSIGNED_BYTE; - *comps = 1; - return; - - case MESA_FORMAT_YCBCR: - case MESA_FORMAT_YCBCR_REV: - *datatype = GL_UNSIGNED_SHORT; - *comps = 2; - return; - - case MESA_FORMAT_Z24_S8: - *datatype = GL_UNSIGNED_INT; - *comps = 1; /* XXX OK? */ - return; - - case MESA_FORMAT_Z16: - *datatype = GL_UNSIGNED_SHORT; - *comps = 1; - return; - - case MESA_FORMAT_Z32: - *datatype = GL_UNSIGNED_INT; - *comps = 1; - return; - - case MESA_FORMAT_SRGB8: - *datatype = GL_UNSIGNED_BYTE; - *comps = 3; - return; - case MESA_FORMAT_SRGBA8: - *datatype = GL_UNSIGNED_BYTE; - *comps = 4; - return; - case MESA_FORMAT_SL8: - *datatype = GL_UNSIGNED_BYTE; - *comps = 1; - return; - case MESA_FORMAT_SLA8: - *datatype = GL_UNSIGNED_BYTE; - *comps = 2; - return; - - case MESA_FORMAT_RGB_FXT1: - case MESA_FORMAT_RGBA_FXT1: - case MESA_FORMAT_RGB_DXT1: - case MESA_FORMAT_RGBA_DXT1: - case MESA_FORMAT_RGBA_DXT3: - case MESA_FORMAT_RGBA_DXT5: - /* XXX generate error instead? */ - *datatype = GL_UNSIGNED_BYTE; - *comps = 0; - return; - - case MESA_FORMAT_RGBA: - *datatype = CHAN_TYPE; - *comps = 4; - return; - case MESA_FORMAT_RGB: - *datatype = CHAN_TYPE; - *comps = 3; - return; - case MESA_FORMAT_LUMINANCE_ALPHA: - *datatype = CHAN_TYPE; - *comps = 2; - return; - case MESA_FORMAT_ALPHA: - case MESA_FORMAT_LUMINANCE: - case MESA_FORMAT_INTENSITY: - *datatype = CHAN_TYPE; - *comps = 1; - return; - - case MESA_FORMAT_RGBA_FLOAT32: - *datatype = GL_FLOAT; - *comps = 4; - return; - case MESA_FORMAT_RGBA_FLOAT16: - *datatype = GL_HALF_FLOAT_ARB; - *comps = 4; - return; - case MESA_FORMAT_RGB_FLOAT32: - *datatype = GL_FLOAT; - *comps = 3; - return; - case MESA_FORMAT_RGB_FLOAT16: - *datatype = GL_HALF_FLOAT_ARB; - *comps = 3; - return; - case MESA_FORMAT_LUMINANCE_ALPHA_FLOAT32: - *datatype = GL_FLOAT; - *comps = 2; - return; - case MESA_FORMAT_LUMINANCE_ALPHA_FLOAT16: - *datatype = GL_HALF_FLOAT_ARB; - *comps = 2; - return; - case MESA_FORMAT_ALPHA_FLOAT32: - case MESA_FORMAT_LUMINANCE_FLOAT32: - case MESA_FORMAT_INTENSITY_FLOAT32: - *datatype = GL_FLOAT; - *comps = 1; - return; - case MESA_FORMAT_ALPHA_FLOAT16: - case MESA_FORMAT_LUMINANCE_FLOAT16: - case MESA_FORMAT_INTENSITY_FLOAT16: - *datatype = GL_HALF_FLOAT_ARB; - *comps = 1; - return; - - default: - _mesa_problem(NULL, "bad texture format in mesa_format_to_type_and_comps"); - *datatype = 0; - *comps = 1; - } -} - - /** * Average together two rows of a source image to produce a single new * row in the dest image. It's legal for the two source rows to point @@ -1087,7 +921,7 @@ _mesa_generate_mipmap(GLcontext *ctx, GLenum target, convertFormat = srcImage->TexFormat; } - mesa_format_to_type_and_comps(convertFormat, &datatype, &comps); + _mesa_format_to_type_and_comps(convertFormat, &datatype, &comps); for (level = texObj->BaseLevel; level < texObj->MaxLevel && level < maxLevels - 1; level++) { diff --git a/src/mesa/main/texformat.c b/src/mesa/main/texformat.c index 62acdba1bba..ae9ed0a84ba 100644 --- a/src/mesa/main/texformat.c +++ b/src/mesa/main/texformat.c @@ -1603,3 +1603,174 @@ _mesa_choose_tex_format( GLcontext *ctx, GLint internalFormat, _mesa_problem(ctx, "unexpected format in _mesa_choose_tex_format()"); return NULL; } + + + +/** + * Return datatype and number of components per texel for the + * given gl_texture_format. + */ +void +_mesa_format_to_type_and_comps(const struct gl_texture_format *format, + GLenum *datatype, GLuint *comps) +{ + switch (format->MesaFormat) { + case MESA_FORMAT_RGBA8888: + case MESA_FORMAT_RGBA8888_REV: + case MESA_FORMAT_ARGB8888: + case MESA_FORMAT_ARGB8888_REV: + *datatype = CHAN_TYPE; + *comps = 4; + return; + case MESA_FORMAT_RGB888: + case MESA_FORMAT_BGR888: + *datatype = GL_UNSIGNED_BYTE; + *comps = 3; + return; + case MESA_FORMAT_RGB565: + case MESA_FORMAT_RGB565_REV: + *datatype = GL_UNSIGNED_SHORT_5_6_5; + *comps = 3; + return; + + case MESA_FORMAT_ARGB4444: + case MESA_FORMAT_ARGB4444_REV: + *datatype = GL_UNSIGNED_SHORT_4_4_4_4; + *comps = 4; + return; + + case MESA_FORMAT_ARGB1555: + case MESA_FORMAT_ARGB1555_REV: + *datatype = GL_UNSIGNED_SHORT_1_5_5_5_REV; + *comps = 3; + return; + + case MESA_FORMAT_AL88: + case MESA_FORMAT_AL88_REV: + *datatype = GL_UNSIGNED_BYTE; + *comps = 2; + return; + case MESA_FORMAT_RGB332: + *datatype = GL_UNSIGNED_BYTE_3_3_2; + *comps = 3; + return; + + case MESA_FORMAT_A8: + case MESA_FORMAT_L8: + case MESA_FORMAT_I8: + case MESA_FORMAT_CI8: + *datatype = GL_UNSIGNED_BYTE; + *comps = 1; + return; + + case MESA_FORMAT_YCBCR: + case MESA_FORMAT_YCBCR_REV: + *datatype = GL_UNSIGNED_SHORT; + *comps = 2; + return; + + case MESA_FORMAT_Z24_S8: + *datatype = GL_UNSIGNED_INT; + *comps = 1; /* XXX OK? */ + return; + + case MESA_FORMAT_Z16: + *datatype = GL_UNSIGNED_SHORT; + *comps = 1; + return; + + case MESA_FORMAT_Z32: + *datatype = GL_UNSIGNED_INT; + *comps = 1; + return; + + case MESA_FORMAT_SRGB8: + *datatype = GL_UNSIGNED_BYTE; + *comps = 3; + return; + case MESA_FORMAT_SRGBA8: + *datatype = GL_UNSIGNED_BYTE; + *comps = 4; + return; + case MESA_FORMAT_SL8: + *datatype = GL_UNSIGNED_BYTE; + *comps = 1; + return; + case MESA_FORMAT_SLA8: + *datatype = GL_UNSIGNED_BYTE; + *comps = 2; + return; + + case MESA_FORMAT_RGB_FXT1: + case MESA_FORMAT_RGBA_FXT1: + case MESA_FORMAT_RGB_DXT1: + case MESA_FORMAT_RGBA_DXT1: + case MESA_FORMAT_RGBA_DXT3: + case MESA_FORMAT_RGBA_DXT5: + /* XXX generate error instead? */ + *datatype = GL_UNSIGNED_BYTE; + *comps = 0; + return; + + case MESA_FORMAT_RGBA: + *datatype = CHAN_TYPE; + *comps = 4; + return; + case MESA_FORMAT_RGB: + *datatype = CHAN_TYPE; + *comps = 3; + return; + case MESA_FORMAT_LUMINANCE_ALPHA: + *datatype = CHAN_TYPE; + *comps = 2; + return; + case MESA_FORMAT_ALPHA: + case MESA_FORMAT_LUMINANCE: + case MESA_FORMAT_INTENSITY: + *datatype = CHAN_TYPE; + *comps = 1; + return; + + case MESA_FORMAT_RGBA_FLOAT32: + *datatype = GL_FLOAT; + *comps = 4; + return; + case MESA_FORMAT_RGBA_FLOAT16: + *datatype = GL_HALF_FLOAT_ARB; + *comps = 4; + return; + case MESA_FORMAT_RGB_FLOAT32: + *datatype = GL_FLOAT; + *comps = 3; + return; + case MESA_FORMAT_RGB_FLOAT16: + *datatype = GL_HALF_FLOAT_ARB; + *comps = 3; + return; + case MESA_FORMAT_LUMINANCE_ALPHA_FLOAT32: + *datatype = GL_FLOAT; + *comps = 2; + return; + case MESA_FORMAT_LUMINANCE_ALPHA_FLOAT16: + *datatype = GL_HALF_FLOAT_ARB; + *comps = 2; + return; + case MESA_FORMAT_ALPHA_FLOAT32: + case MESA_FORMAT_LUMINANCE_FLOAT32: + case MESA_FORMAT_INTENSITY_FLOAT32: + *datatype = GL_FLOAT; + *comps = 1; + return; + case MESA_FORMAT_ALPHA_FLOAT16: + case MESA_FORMAT_LUMINANCE_FLOAT16: + case MESA_FORMAT_INTENSITY_FLOAT16: + *datatype = GL_HALF_FLOAT_ARB; + *comps = 1; + return; + + default: + _mesa_problem(NULL, "bad format in _mesa_format_to_type_and_comps"); + *datatype = 0; + *comps = 1; + } +} diff --git a/src/mesa/main/texformat.h b/src/mesa/main/texformat.h index f5f851ca212..18900fe08b2 100644 --- a/src/mesa/main/texformat.h +++ b/src/mesa/main/texformat.h @@ -243,4 +243,10 @@ extern const struct gl_texture_format * _mesa_choose_tex_format( GLcontext *ctx, GLint internalFormat, GLenum format, GLenum type ); + +extern void +_mesa_format_to_type_and_comps(const struct gl_texture_format *format, + GLenum *datatype, GLuint *comps); + + #endif |