#include "imports.h"
#include "formats.h"
-#include "config.h"
+#include "mfeatures.h"
/**
/**
* Logical data type: one of GL_UNSIGNED_NORMALIZED, GL_SIGNED_NORMALED,
- * GL_UNSIGNED_INT, GL_SIGNED_INT, GL_FLOAT.
+ * GL_UNSIGNED_INT, GL_INT, GL_FLOAT.
*/
GLenum DataType;
0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
1, 1, 2 /* BlockWidth/Height,Bytes */
},
+ {
+ MESA_FORMAT_R8,
+ "MESA_FORMAT_R8",
+ GL_RED,
+ GL_UNSIGNED_NORMALIZED,
+ 8, 0, 0, 0,
+ 0, 0, 0, 0, 0,
+ 1, 1, 1
+ },
+ {
+ MESA_FORMAT_RG88,
+ "MESA_FORMAT_RG88",
+ GL_RG,
+ GL_UNSIGNED_NORMALIZED,
+ 8, 8, 0, 0,
+ 0, 0, 0, 0, 0,
+ 1, 1, 2
+ },
+ {
+ MESA_FORMAT_RG88_REV,
+ "MESA_FORMAT_RG88_REV",
+ GL_RG,
+ GL_UNSIGNED_NORMALIZED,
+ 8, 8, 0, 0,
+ 0, 0, 0, 0, 0,
+ 1, 1, 2
+ },
+ {
+ MESA_FORMAT_R16,
+ "MESA_FORMAT_R16",
+ GL_RED,
+ GL_UNSIGNED_NORMALIZED,
+ 16, 0, 0, 0,
+ 0, 0, 0, 0, 0,
+ 1, 1, 2
+ },
+ {
+ MESA_FORMAT_RG1616,
+ "MESA_FORMAT_RG1616",
+ GL_RG,
+ GL_UNSIGNED_NORMALIZED,
+ 16, 16, 0, 0,
+ 0, 0, 0, 0, 0,
+ 1, 1, 4
+ },
+ {
+ MESA_FORMAT_RG1616_REV,
+ "MESA_FORMAT_RG1616_REV",
+ GL_RG,
+ GL_UNSIGNED_NORMALIZED,
+ 16, 16, 0, 0,
+ 0, 0, 0, 0, 0,
+ 1, 1, 4
+ },
{
MESA_FORMAT_Z24_S8, /* Name */
"MESA_FORMAT_Z24_S8", /* StrName */
0, 16, 0, 0, 0,
1, 1, 2
},
+
+ /* unnormalized signed int formats */
+ {
+ MESA_FORMAT_RGBA_INT8,
+ "MESA_FORMAT_RGBA_INT8",
+ GL_RGBA,
+ GL_INT,
+ 8, 8, 8, 8,
+ 0, 0, 0, 0, 0,
+ 1, 1, 4
+ },
+ {
+ MESA_FORMAT_RGBA_INT16,
+ "MESA_FORMAT_RGBA_INT16",
+ GL_RGBA,
+ GL_INT,
+ 16, 16, 16, 16,
+ 0, 0, 0, 0, 0,
+ 1, 1, 8
+ },
+ {
+ MESA_FORMAT_RGBA_INT32,
+ "MESA_FORMAT_RGBA_INT32",
+ GL_RGBA,
+ GL_INT,
+ 32, 32, 32, 32,
+ 0, 0, 0, 0, 0,
+ 1, 1, 16
+ },
+
+ /* unnormalized unsigned int formats */
+ {
+ MESA_FORMAT_RGBA_UINT8,
+ "MESA_FORMAT_RGBA_UINT8",
+ GL_RGBA,
+ GL_UNSIGNED_INT,
+ 8, 8, 8, 8,
+ 0, 0, 0, 0, 0,
+ 1, 1, 4
+ },
+ {
+ MESA_FORMAT_RGBA_UINT16,
+ "MESA_FORMAT_RGBA_UINT16",
+ GL_RGBA,
+ GL_UNSIGNED_INT,
+ 16, 16, 16, 16,
+ 0, 0, 0, 0, 0,
+ 1, 1, 8
+ },
+ {
+ MESA_FORMAT_RGBA_UINT32,
+ "MESA_FORMAT_RGBA_UINT32",
+ GL_RGBA,
+ GL_UNSIGNED_INT,
+ 32, 32, 32, 32,
+ 0, 0, 0, 0, 0,
+ 1, 1, 16
+ },
+
+
{
MESA_FORMAT_DUDV8,
"MESA_FORMAT_DUDV8",
16, 16, 16, 16,
0, 0, 0, 0, 0,
1, 1, 8
+ },
+ {
+ MESA_FORMAT_RGBA_16,
+ "MESA_FORMAT_RGBA_16",
+ GL_RGBA,
+ GL_UNSIGNED_NORMALIZED,
+ 16, 16, 16, 16,
+ 0, 0, 0, 0, 0,
+ 1, 1, 8
}
};
* GL_UNSIGNED_NORMALIZED = unsigned int representing [0,1]
* GL_SIGNED_NORMALIZED = signed int representing [-1, 1]
* GL_UNSIGNED_INT = an ordinary unsigned integer
+ * GL_INT = an ordinary signed integer
* GL_FLOAT = an ordinary float
*/
GLenum
}
+/**
+ * Determine if the given format represents a packed depth/stencil buffer.
+ */
+GLboolean
+_mesa_is_format_packed_depth_stencil(gl_format format)
+{
+ const struct gl_format_info *info = _mesa_get_format_info(format);
+
+ return info->BaseFormat == GL_DEPTH_STENCIL;
+}
+
+
+/**
+ * Is the given format a signed/unsigned integer color format?
+ */
+GLboolean
+_mesa_is_format_integer_color(gl_format format)
+{
+ const struct gl_format_info *info = _mesa_get_format_info(format);
+ return (info->DataType == GL_INT || info->DataType == GL_UNSIGNED_INT) &&
+ info->BaseFormat != GL_DEPTH_COMPONENT &&
+ info->BaseFormat != GL_DEPTH_STENCIL &&
+ info->BaseFormat != GL_STENCIL_INDEX;
+}
+
+
/**
* Return color encoding for given format.
* \return GL_LINEAR or GL_SRGB
assert(info->LuminanceBits == 0);
assert(info->IntensityBits == 0);
}
+ else if (info->BaseFormat == GL_RG) {
+ assert(info->RedBits > 0);
+ assert(info->GreenBits > 0);
+ assert(info->BlueBits == 0);
+ assert(info->AlphaBits == 0);
+ assert(info->LuminanceBits == 0);
+ assert(info->IntensityBits == 0);
+ }
+ else if (info->BaseFormat == GL_RED) {
+ assert(info->RedBits > 0);
+ assert(info->GreenBits == 0);
+ assert(info->BlueBits == 0);
+ assert(info->AlphaBits == 0);
+ assert(info->LuminanceBits == 0);
+ assert(info->IntensityBits == 0);
+ }
else if (info->BaseFormat == GL_LUMINANCE) {
assert(info->RedBits == 0);
assert(info->GreenBits == 0);
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;
case MESA_FORMAT_AL1616:
case MESA_FORMAT_AL1616_REV:
+ case MESA_FORMAT_RG1616:
+ case MESA_FORMAT_RG1616_REV:
*datatype = GL_UNSIGNED_SHORT;
*comps = 2;
return;
+ case MESA_FORMAT_R16:
+ *datatype = GL_UNSIGNED_SHORT;
+ *comps = 1;
+ return;
+
case MESA_FORMAT_RGB332:
*datatype = GL_UNSIGNED_BYTE_3_3_2;
*comps = 3;
case MESA_FORMAT_L8:
case MESA_FORMAT_I8:
case MESA_FORMAT_CI8:
+ case MESA_FORMAT_R8:
*datatype = GL_UNSIGNED_BYTE;
*comps = 1;
return;
*datatype = GL_BYTE;
*comps = 4;
return;
+
+ case MESA_FORMAT_SIGNED_R_16:
+ *datatype = GL_SHORT;
+ *comps = 1;
+ return;
+ case MESA_FORMAT_SIGNED_RG_16:
+ *datatype = GL_SHORT;
+ *comps = 2;
+ return;
+ case MESA_FORMAT_SIGNED_RGB_16:
+ *datatype = GL_SHORT;
+ *comps = 3;
+ return;
case MESA_FORMAT_SIGNED_RGBA_16:
*datatype = GL_SHORT;
*comps = 4;
case MESA_FORMAT_SRGBA_DXT1:
case MESA_FORMAT_SRGBA_DXT3:
case MESA_FORMAT_SRGBA_DXT5:
+#endif
#endif
/* XXX generate error instead? */
*datatype = GL_UNSIGNED_BYTE;
*comps = 0;
return;
-#endif
case MESA_FORMAT_RGBA_FLOAT32:
*datatype = GL_FLOAT;
*comps = 1;
return;
+ case MESA_FORMAT_RGBA_INT8:
+ *datatype = GL_BYTE;
+ *comps = 4;
+ return;
+ case MESA_FORMAT_RGBA_INT16:
+ *datatype = GL_SHORT;
+ *comps = 4;
+ return;
+ case MESA_FORMAT_RGBA_INT32:
+ *datatype = GL_INT;
+ *comps = 4;
+ return;
+
+ /**
+ * \name Non-normalized unsigned integer formats.
+ */
+ case MESA_FORMAT_RGBA_UINT8:
+ *datatype = GL_UNSIGNED_BYTE;
+ *comps = 4;
+ return;
+ case MESA_FORMAT_RGBA_UINT16:
+ *datatype = GL_UNSIGNED_SHORT;
+ *comps = 4;
+ return;
+ case MESA_FORMAT_RGBA_UINT32:
+ *datatype = GL_UNSIGNED_INT;
+ *comps = 4;
+ return;
+
+
default:
_mesa_problem(NULL, "bad format in _mesa_format_to_type_and_comps");
*datatype = 0;
projects / mesa.git / blobdiff