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mesa: fix integer cases in _mesa_is_legal_format_and_type()

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Some integer formats work with some packed datatypes.
This commit is contained in:
Brian Paul 2010-10-28 21:17:42 -06:00
parent 9fc7fa0a4c
commit 113c1832b1
1 changed files with 65 additions and 1 deletions
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66
src/mesa/main/image.c
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@ -518,14 +518,78 @@ _mesa_is_legal_format_and_type( struct gl_context *ctx, GLenum format, GLenum ty
default:
return GL_FALSE;
}
/* integer-valued formats */
case GL_RED_INTEGER_EXT:
case GL_GREEN_INTEGER_EXT:
case GL_BLUE_INTEGER_EXT:
case GL_ALPHA_INTEGER_EXT:
switch (type) {
case GL_BYTE:
case GL_UNSIGNED_BYTE:
case GL_SHORT:
case GL_UNSIGNED_SHORT:
case GL_INT:
case GL_UNSIGNED_INT:
return ctx->Extensions.EXT_texture_integer;
default:
return GL_FALSE;
}
case GL_RGB_INTEGER_EXT:
case GL_RGBA_INTEGER_EXT:
switch (type) {
case GL_BYTE:
case GL_UNSIGNED_BYTE:
case GL_SHORT:
case GL_UNSIGNED_SHORT:
case GL_INT:
case GL_UNSIGNED_INT:
case GL_UNSIGNED_BYTE_3_3_2:
case GL_UNSIGNED_BYTE_2_3_3_REV:
case GL_UNSIGNED_SHORT_5_6_5:
case GL_UNSIGNED_SHORT_5_6_5_REV:
return ctx->Extensions.EXT_texture_integer;
default:
return GL_FALSE;
}
case GL_BGR_INTEGER_EXT:
switch (type) {
case GL_BYTE:
case GL_UNSIGNED_BYTE:
case GL_SHORT:
case GL_UNSIGNED_SHORT:
case GL_INT:
case GL_UNSIGNED_INT:
/* NOTE: no packed formats w/ BGR format */
return ctx->Extensions.EXT_texture_integer;
default:
return GL_FALSE;
}
case GL_RGBA_INTEGER_EXT:
case GL_BGRA_INTEGER_EXT:
switch (type) {
case GL_BYTE:
case GL_UNSIGNED_BYTE:
case GL_SHORT:
case GL_UNSIGNED_SHORT:
case GL_INT:
case GL_UNSIGNED_INT:
case GL_FLOAT:
case GL_UNSIGNED_SHORT_4_4_4_4:
case GL_UNSIGNED_SHORT_4_4_4_4_REV:
case GL_UNSIGNED_SHORT_5_5_5_1:
case GL_UNSIGNED_SHORT_1_5_5_5_REV:
case GL_UNSIGNED_INT_8_8_8_8:
case GL_UNSIGNED_INT_8_8_8_8_REV:
case GL_UNSIGNED_INT_10_10_10_2:
case GL_UNSIGNED_INT_2_10_10_10_REV:
return ctx->Extensions.EXT_texture_integer;
default:
return GL_FALSE;
}
case GL_LUMINANCE_INTEGER_EXT:
case GL_LUMINANCE_ALPHA_INTEGER_EXT:
switch (type) {