diff options
Diffstat (limited to 'mesalib/src/mesa/state_tracker/st_format.c')
-rw-r--r-- | mesalib/src/mesa/state_tracker/st_format.c | 100 |
1 files changed, 0 insertions, 100 deletions
diff --git a/mesalib/src/mesa/state_tracker/st_format.c b/mesalib/src/mesa/state_tracker/st_format.c index 620910ddb..2fdbcd773 100644 --- a/mesalib/src/mesa/state_tracker/st_format.c +++ b/mesalib/src/mesa/state_tracker/st_format.c @@ -47,106 +47,6 @@ #include "st_format.h" -static GLuint -format_max_bits(enum pipe_format format) -{ - GLuint size = util_format_get_component_bits(format, UTIL_FORMAT_COLORSPACE_RGB, 0); - - size = MAX2(size, util_format_get_component_bits(format, UTIL_FORMAT_COLORSPACE_RGB, 1)); - size = MAX2(size, util_format_get_component_bits(format, UTIL_FORMAT_COLORSPACE_RGB, 2)); - size = MAX2(size, util_format_get_component_bits(format, UTIL_FORMAT_COLORSPACE_RGB, 3)); - size = MAX2(size, util_format_get_component_bits(format, UTIL_FORMAT_COLORSPACE_ZS, 0)); - size = MAX2(size, util_format_get_component_bits(format, UTIL_FORMAT_COLORSPACE_ZS, 1)); - return size; -} - - -/** - * Return basic GL datatype for the given gallium format. - */ -GLenum -st_format_datatype(enum pipe_format format) -{ - const struct util_format_description *desc; - int i; - - desc = util_format_description(format); - assert(desc); - - /* Find the first non-VOID channel. */ - for (i = 0; i < 4; i++) { - if (desc->channel[i].type != UTIL_FORMAT_TYPE_VOID) { - break; - } - } - - if (desc->layout == UTIL_FORMAT_LAYOUT_PLAIN) { - if (format == PIPE_FORMAT_B5G5R5A1_UNORM || - format == PIPE_FORMAT_B5G6R5_UNORM) { - return GL_UNSIGNED_SHORT; - } - else if (format == PIPE_FORMAT_R11G11B10_FLOAT || - format == PIPE_FORMAT_R9G9B9E5_FLOAT) { - return GL_FLOAT; - } - else if (format == PIPE_FORMAT_Z24_UNORM_S8_UINT || - format == PIPE_FORMAT_S8_UINT_Z24_UNORM || - format == PIPE_FORMAT_Z24X8_UNORM || - format == PIPE_FORMAT_X8Z24_UNORM) { - return GL_UNSIGNED_INT_24_8; - } - else if (format == PIPE_FORMAT_Z32_FLOAT_S8X24_UINT) { - return GL_FLOAT_32_UNSIGNED_INT_24_8_REV; - } - else { - const GLuint size = format_max_bits(format); - - assert(i < 4); - if (i == 4) - return GL_NONE; - - if (size == 8) { - if (desc->channel[i].type == UTIL_FORMAT_TYPE_UNSIGNED) - return GL_UNSIGNED_BYTE; - else - return GL_BYTE; - } - else if (size == 16) { - if (desc->channel[i].type == UTIL_FORMAT_TYPE_FLOAT) - return GL_HALF_FLOAT; - if (desc->channel[i].type == UTIL_FORMAT_TYPE_UNSIGNED) - return GL_UNSIGNED_SHORT; - else - return GL_SHORT; - } - else if (size <= 32) { - if (desc->channel[i].type == UTIL_FORMAT_TYPE_FLOAT) - return GL_FLOAT; - if (desc->channel[i].type == UTIL_FORMAT_TYPE_UNSIGNED) - return GL_UNSIGNED_INT; - else - return GL_INT; - } - else { - assert(size == 64); - assert(desc->channel[i].type == UTIL_FORMAT_TYPE_FLOAT); - return GL_DOUBLE; - } - } - } - else if (format == PIPE_FORMAT_UYVY) { - return GL_UNSIGNED_SHORT; - } - else if (format == PIPE_FORMAT_YUYV) { - return GL_UNSIGNED_SHORT; - } - else { - /* probably a compressed format, unsupported anyway */ - return GL_NONE; - } -} - - /** * Translate Mesa format to Gallium format. */ |