#include <GL/gl.h>
-
+#include <stdbool.h>
+#include <stdint.h>
+#include "compiler.h"
#ifdef __cplusplus
extern "C" {
*/
#define MAX_PIXEL_BYTES 16
+/**
+ * Specifies the layout of a pixel format. See the MESA_FORMAT
+ * documentation below.
+ */
+enum mesa_format_layout {
+ MESA_FORMAT_LAYOUT_ARRAY,
+ MESA_FORMAT_LAYOUT_PACKED,
+ MESA_FORMAT_LAYOUT_S3TC,
+ MESA_FORMAT_LAYOUT_RGTC,
+ MESA_FORMAT_LAYOUT_LATC,
+ MESA_FORMAT_LAYOUT_FXT1,
+ MESA_FORMAT_LAYOUT_ETC1,
+ MESA_FORMAT_LAYOUT_ETC2,
+ MESA_FORMAT_LAYOUT_BPTC,
+ MESA_FORMAT_LAYOUT_ASTC,
+ MESA_FORMAT_LAYOUT_OTHER,
+};
+
+/**
+ * An enum representing different possible swizzling values. This is used
+ * to interpret the output of _mesa_get_format_swizzle
+ */
+enum {
+ MESA_FORMAT_SWIZZLE_X = 0,
+ MESA_FORMAT_SWIZZLE_Y = 1,
+ MESA_FORMAT_SWIZZLE_Z = 2,
+ MESA_FORMAT_SWIZZLE_W = 3,
+ MESA_FORMAT_SWIZZLE_ZERO = 4,
+ MESA_FORMAT_SWIZZLE_ONE = 5,
+ MESA_FORMAT_SWIZZLE_NONE = 6,
+};
+
+/**
+ * An uint32_t that encodes the information necessary to represent an
+ * array format
+ */
+typedef uint32_t mesa_array_format;
+
+/**
+ * Encoding for valid array format data types
+ */
+enum mesa_array_format_datatype {
+ MESA_ARRAY_FORMAT_TYPE_UBYTE = 0x0,
+ MESA_ARRAY_FORMAT_TYPE_USHORT = 0x1,
+ MESA_ARRAY_FORMAT_TYPE_UINT = 0x2,
+ MESA_ARRAY_FORMAT_TYPE_BYTE = 0x4,
+ MESA_ARRAY_FORMAT_TYPE_SHORT = 0x5,
+ MESA_ARRAY_FORMAT_TYPE_INT = 0x6,
+ MESA_ARRAY_FORMAT_TYPE_HALF = 0xd,
+ MESA_ARRAY_FORMAT_TYPE_FLOAT = 0xe,
+};
+
+/**
+ * An enum useful to encode/decode information stored in a mesa_array_format
+ */
+enum {
+ MESA_ARRAY_FORMAT_TYPE_IS_SIGNED = 0x4,
+ MESA_ARRAY_FORMAT_TYPE_IS_FLOAT = 0x8,
+ MESA_ARRAY_FORMAT_TYPE_NORMALIZED = 0x10,
+ MESA_ARRAY_FORMAT_DATATYPE_MASK = 0xf,
+ MESA_ARRAY_FORMAT_TYPE_MASK = 0x1f,
+ MESA_ARRAY_FORMAT_TYPE_SIZE_MASK = 0x3,
+ MESA_ARRAY_FORMAT_NUM_CHANS_MASK = 0xe0,
+ MESA_ARRAY_FORMAT_SWIZZLE_X_MASK = 0x00700,
+ MESA_ARRAY_FORMAT_SWIZZLE_Y_MASK = 0x03800,
+ MESA_ARRAY_FORMAT_SWIZZLE_Z_MASK = 0x1c000,
+ MESA_ARRAY_FORMAT_SWIZZLE_W_MASK = 0xe0000,
+ MESA_ARRAY_FORMAT_BIT = 0x80000000
+};
+
+#define MESA_ARRAY_FORMAT(SIZE, SIGNED, IS_FLOAT, NORM, NUM_CHANS, \
+ SWIZZLE_X, SWIZZLE_Y, SWIZZLE_Z, SWIZZLE_W) ( \
+ (((SIZE >> 1) ) & MESA_ARRAY_FORMAT_TYPE_SIZE_MASK) | \
+ (((SIGNED) << 2 ) & MESA_ARRAY_FORMAT_TYPE_IS_SIGNED) | \
+ (((IS_FLOAT) << 3 ) & MESA_ARRAY_FORMAT_TYPE_IS_FLOAT) | \
+ (((NORM) << 4 ) & MESA_ARRAY_FORMAT_TYPE_NORMALIZED) | \
+ (((NUM_CHANS) << 5 ) & MESA_ARRAY_FORMAT_NUM_CHANS_MASK) | \
+ (((SWIZZLE_X) << 8 ) & MESA_ARRAY_FORMAT_SWIZZLE_X_MASK) | \
+ (((SWIZZLE_Y) << 11) & MESA_ARRAY_FORMAT_SWIZZLE_Y_MASK) | \
+ (((SWIZZLE_Z) << 14) & MESA_ARRAY_FORMAT_SWIZZLE_Z_MASK) | \
+ (((SWIZZLE_W) << 17) & MESA_ARRAY_FORMAT_SWIZZLE_W_MASK) | \
+ MESA_ARRAY_FORMAT_BIT)
+
+/**
+ * Various helpers to access the data encoded in a mesa_array_format
+ */
+static inline bool
+_mesa_array_format_is_signed(mesa_array_format f)
+{
+ return (f & MESA_ARRAY_FORMAT_TYPE_IS_SIGNED) != 0;
+}
+
+static inline bool
+_mesa_array_format_is_float(mesa_array_format f)
+{
+ return (f & MESA_ARRAY_FORMAT_TYPE_IS_FLOAT) != 0;
+}
+
+static inline bool
+_mesa_array_format_is_normalized(mesa_array_format f)
+{
+ return (f & MESA_ARRAY_FORMAT_TYPE_NORMALIZED) !=0;
+}
+
+static inline enum mesa_array_format_datatype
+_mesa_array_format_get_datatype(mesa_array_format f)
+{
+ return (enum mesa_array_format_datatype)
+ (f & MESA_ARRAY_FORMAT_DATATYPE_MASK);
+}
+
+static inline int
+_mesa_array_format_datatype_get_size(enum mesa_array_format_datatype type)
+{
+ return 1 << (type & MESA_ARRAY_FORMAT_TYPE_SIZE_MASK);
+}
+
+static inline int
+_mesa_array_format_get_type_size(mesa_array_format f)
+{
+ return 1 << (f & MESA_ARRAY_FORMAT_TYPE_SIZE_MASK);
+}
+
+static inline int
+_mesa_array_format_get_num_channels(mesa_array_format f)
+{
+ return (f & MESA_ARRAY_FORMAT_NUM_CHANS_MASK) >> 5;
+}
+
+static inline void
+_mesa_array_format_get_swizzle(mesa_array_format f, uint8_t *swizzle)
+{
+ swizzle[0] = (f & MESA_ARRAY_FORMAT_SWIZZLE_X_MASK) >> 8;
+ swizzle[1] = (f & MESA_ARRAY_FORMAT_SWIZZLE_Y_MASK) >> 11;
+ swizzle[2] = (f & MESA_ARRAY_FORMAT_SWIZZLE_Z_MASK) >> 14;
+ swizzle[3] = (f & MESA_ARRAY_FORMAT_SWIZZLE_W_MASK) >> 17;
+}
+
+static inline void
+_mesa_array_format_set_swizzle(mesa_array_format *f,
+ int32_t x, int32_t y, int32_t z, int32_t w)
+{
+ *f &= ~(MESA_ARRAY_FORMAT_SWIZZLE_X_MASK |
+ MESA_ARRAY_FORMAT_SWIZZLE_Y_MASK |
+ MESA_ARRAY_FORMAT_SWIZZLE_Z_MASK |
+ MESA_ARRAY_FORMAT_SWIZZLE_W_MASK);
+
+ *f |= ((x << 8 ) & MESA_ARRAY_FORMAT_SWIZZLE_X_MASK) |
+ ((y << 11) & MESA_ARRAY_FORMAT_SWIZZLE_Y_MASK) |
+ ((z << 14) & MESA_ARRAY_FORMAT_SWIZZLE_Z_MASK) |
+ ((w << 17) & MESA_ARRAY_FORMAT_SWIZZLE_W_MASK);
+}
+
+/**
+ * A helper to know if the format stored in a uint32_t is a mesa_format
+ * or a mesa_array_format
+ */
+static inline bool
+_mesa_format_is_mesa_array_format(uint32_t f)
+{
+ return (f & MESA_ARRAY_FORMAT_BIT) != 0;
+}
/**
* Mesa texture/renderbuffer image formats.
* ** when type applies to all components
*
* examples: msb <------ TEXEL BITS -----------> lsb
- * MESA_FORMAT_A8B8G8R8_UNORM, AAAA AAAA BBBB BBBB GGGG GGGG RRRR RRRR
- * MESA_FORMAT_R5G6B5_UNORM RRRR RGGG GGGB BBBB
- * MESA_FORMAT_B4G4R4X4_UNORM BBBB GGGG RRRR XXXX
+ * MESA_FORMAT_A8B8G8R8_UNORM, RRRR RRRR GGGG GGGG BBBB BBBB AAAA AAAA
+ * MESA_FORMAT_R5G6B5_UNORM BBBB BGGG GGGR RRRR
+ * MESA_FORMAT_B4G4R4X4_UNORM XXXX RRRR GGGG BBBB
* MESA_FORMAT_Z32_FLOAT_S8X24_UINT
* MESA_FORMAT_R10G10B10A2_UINT
* MESA_FORMAT_R9G9B9E5_FLOAT
MESA_FORMAT_B10G10R10A2_UNORM,/* AARR RRRR RRRR GGGG GGGG GGBB BBBB BBBB */
MESA_FORMAT_B10G10R10X2_UNORM,/* xxRR RRRR RRRR GGGG GGGG GGBB BBBB BBBB */
MESA_FORMAT_R10G10B10A2_UNORM,/* AABB BBBB BBBB GGGG GGGG GGRR RRRR RRRR */
+ MESA_FORMAT_R10G10B10X2_UNORM,/* xxBB BBBB BBBB GGGG GGGG GGRR RRRR RRRR */
MESA_FORMAT_S8_UINT_Z24_UNORM,/* ZZZZ ZZZZ ZZZZ ZZZZ ZZZZ ZZZZ SSSS SSSS */
- MESA_FORMAT_X8Z24_UNORM, /* ZZZZ ZZZZ ZZZZ ZZZZ ZZZZ ZZZZ xxxx xxxx */
+ MESA_FORMAT_X8_UINT_Z24_UNORM,/* ZZZZ ZZZZ ZZZZ ZZZZ ZZZZ ZZZZ xxxx xxxx */
MESA_FORMAT_Z24_UNORM_S8_UINT,/* SSSS SSSS ZZZZ ZZZZ ZZZZ ZZZZ ZZZZ ZZZZ */
MESA_FORMAT_Z24_UNORM_X8_UINT,/* xxxx xxxx ZZZZ ZZZZ ZZZZ ZZZZ ZZZZ ZZZZ */
+ /* Other formats */
+ MESA_FORMAT_R3G3B2_UNORM, /* BBGG GRRR */
+ MESA_FORMAT_A4B4G4R4_UNORM, /* RRRR GGGG BBBB AAAA */
+ MESA_FORMAT_R4G4B4A4_UNORM, /* AAAA BBBB GGGG RRRR */
+ MESA_FORMAT_R5G5B5A1_UNORM, /* ABBB BBGG GGGR RRRR */
+ MESA_FORMAT_A2B10G10R10_UNORM,/* RRRR RRRR RRGG GGGG GGGG BBBB BBBB BBAA */
+ MESA_FORMAT_A2R10G10B10_UNORM,/* BBBB BBBB BBGG GGGG GGGG RRRR RRRR RRAA */
+
MESA_FORMAT_YCBCR, /* YYYY YYYY UorV UorV */
MESA_FORMAT_YCBCR_REV, /* UorV UorV YYYY YYYY */
- MESA_FORMAT_DUDV8, /* DUDU DUDU DVDV DVDV */
-
/* Array unorm formats */
MESA_FORMAT_A_UNORM8, /* ubyte[i] = A */
MESA_FORMAT_A_UNORM16, /* ushort[i] = A */
MESA_FORMAT_R8G8_SNORM, /* GGGG GGGG RRRR RRRR */
MESA_FORMAT_G8R8_SNORM, /* RRRR RRRR GGGG GGGG */
MESA_FORMAT_L8A8_SNORM, /* AAAA AAAA LLLL LLLL */
+ MESA_FORMAT_A8L8_SNORM, /* LLLL LLLL AAAA AAAA */
/* Array signed/normalized formats */
MESA_FORMAT_A_SNORM8, /* byte[i] = A */
/* Packed sRGB formats */
MESA_FORMAT_A8B8G8R8_SRGB, /* RRRR RRRR GGGG GGGG BBBB BBBB AAAA AAAA */
MESA_FORMAT_B8G8R8A8_SRGB, /* AAAA AAAA RRRR RRRR GGGG GGGG BBBB BBBB */
+ MESA_FORMAT_A8R8G8B8_SRGB, /* BBBB BBBB GGGG GGGG RRRR RRRR AAAA AAAA */
MESA_FORMAT_B8G8R8X8_SRGB, /* xxxx xxxx RRRR RRRR GGGG GGGG BBBB BBBB */
+ MESA_FORMAT_X8R8G8B8_SRGB, /* BBBB BBBB GGGG GGGG RRRR RRRR xxxx xxxx */
MESA_FORMAT_R8G8B8A8_SRGB, /* AAAA AAAA BBBB BBBB GGGG GGGG RRRR RRRR */
MESA_FORMAT_R8G8B8X8_SRGB, /* xxxx xxxx BBBB BBBB GGGG GGGG RRRR RRRR */
+ MESA_FORMAT_X8B8G8R8_SRGB, /* RRRR RRRR GGGG GGGG BBBB BBBB xxxx xxxx */
MESA_FORMAT_L8A8_SRGB, /* AAAA AAAA LLLL LLLL */
+ MESA_FORMAT_A8L8_SRGB, /* LLLL LLLL AAAA AAAA */
/* Array sRGB formats */
MESA_FORMAT_L_SRGB8, /* ubyte[i] = L */
MESA_FORMAT_Z_FLOAT32,
/* Packed signed/unsigned non-normalized integer formats */
+
+ MESA_FORMAT_A8B8G8R8_UINT, /* RRRR RRRR GGGG GGGG BBBB BBBB AAAA AAAA */
+ MESA_FORMAT_A8R8G8B8_UINT, /* BBBB BBBB GGGG GGGG RRRR RRRR AAAA AAAA */
+ MESA_FORMAT_R8G8B8A8_UINT, /* AAAA AAAA BBBB BBBB GGGG GGGG RRRR RRRR */
+ MESA_FORMAT_B8G8R8A8_UINT, /* AAAA AAAA RRRR RRRR GGGG GGGG BBBB BBBB */
MESA_FORMAT_B10G10R10A2_UINT, /* AARR RRRR RRRR GGGG GGGG GGBB BBBB BBBB */
MESA_FORMAT_R10G10B10A2_UINT, /* AABB BBBB BBBB GGGG GGGG GGRR RRRR RRRR */
+ MESA_FORMAT_A2B10G10R10_UINT, /* RRRR RRRR RRGG GGGG GGGG BBBB BBBB BBAA */
+ MESA_FORMAT_A2R10G10B10_UINT, /* BBBB BBBB BBGG GGGG GGGG RRRR RRRR RRAA */
+ MESA_FORMAT_B5G6R5_UINT, /* RRRR RGGG GGGB BBBB */
+ MESA_FORMAT_R5G6B5_UINT, /* BBBB BGGG GGGR RRRR */
+ MESA_FORMAT_B2G3R3_UINT, /* RRRG GGBB */
+ MESA_FORMAT_R3G3B2_UINT, /* BBGG GRRR */
+ MESA_FORMAT_A4B4G4R4_UINT, /* RRRR GGGG BBBB AAAA */
+ MESA_FORMAT_R4G4B4A4_UINT, /* AAAA BBBB GGGG RRRR */
+ MESA_FORMAT_B4G4R4A4_UINT, /* AAAA RRRR GGGG BBBB */
+ MESA_FORMAT_A4R4G4B4_UINT, /* BBBB GGGG RRRR AAAA */
+ MESA_FORMAT_A1B5G5R5_UINT, /* RRRR RGGG GGBB BBBA */
+ MESA_FORMAT_B5G5R5A1_UINT, /* ARRR RRGG GGGB BBBB */
+ MESA_FORMAT_A1R5G5B5_UINT, /* BBBB BGGG GGRR RRRA */
+ MESA_FORMAT_R5G5B5A1_UINT, /* ABBB BBGG GGGR RRRR */
/* Array signed/unsigned non-normalized integer formats */
MESA_FORMAT_A_UINT8,
MESA_FORMAT_ETC2_RGB8_PUNCHTHROUGH_ALPHA1,
MESA_FORMAT_ETC2_SRGB8_PUNCHTHROUGH_ALPHA1,
+ /* BPTC compressed formats */
+ MESA_FORMAT_BPTC_RGBA_UNORM,
+ MESA_FORMAT_BPTC_SRGB_ALPHA_UNORM,
+ MESA_FORMAT_BPTC_RGB_SIGNED_FLOAT,
+ MESA_FORMAT_BPTC_RGB_UNSIGNED_FLOAT,
+
+ /* ASTC compressed formats */
+ MESA_FORMAT_RGBA_ASTC_4x4,
+ MESA_FORMAT_RGBA_ASTC_5x4,
+ MESA_FORMAT_RGBA_ASTC_5x5,
+ MESA_FORMAT_RGBA_ASTC_6x5,
+ MESA_FORMAT_RGBA_ASTC_6x6,
+ MESA_FORMAT_RGBA_ASTC_8x5,
+ MESA_FORMAT_RGBA_ASTC_8x6,
+ MESA_FORMAT_RGBA_ASTC_8x8,
+ MESA_FORMAT_RGBA_ASTC_10x5,
+ MESA_FORMAT_RGBA_ASTC_10x6,
+ MESA_FORMAT_RGBA_ASTC_10x8,
+ MESA_FORMAT_RGBA_ASTC_10x10,
+ MESA_FORMAT_RGBA_ASTC_12x10,
+ MESA_FORMAT_RGBA_ASTC_12x12,
+
+ MESA_FORMAT_SRGB8_ALPHA8_ASTC_4x4,
+ MESA_FORMAT_SRGB8_ALPHA8_ASTC_5x4,
+ MESA_FORMAT_SRGB8_ALPHA8_ASTC_5x5,
+ MESA_FORMAT_SRGB8_ALPHA8_ASTC_6x5,
+ MESA_FORMAT_SRGB8_ALPHA8_ASTC_6x6,
+ MESA_FORMAT_SRGB8_ALPHA8_ASTC_8x5,
+ MESA_FORMAT_SRGB8_ALPHA8_ASTC_8x6,
+ MESA_FORMAT_SRGB8_ALPHA8_ASTC_8x8,
+ MESA_FORMAT_SRGB8_ALPHA8_ASTC_10x5,
+ MESA_FORMAT_SRGB8_ALPHA8_ASTC_10x6,
+ MESA_FORMAT_SRGB8_ALPHA8_ASTC_10x8,
+ MESA_FORMAT_SRGB8_ALPHA8_ASTC_10x10,
+ MESA_FORMAT_SRGB8_ALPHA8_ASTC_12x10,
+ MESA_FORMAT_SRGB8_ALPHA8_ASTC_12x12,
+
+ MESA_FORMAT_RGBA_ASTC_3x3x3,
+ MESA_FORMAT_RGBA_ASTC_4x3x3,
+ MESA_FORMAT_RGBA_ASTC_4x4x3,
+ MESA_FORMAT_RGBA_ASTC_4x4x4,
+ MESA_FORMAT_RGBA_ASTC_5x4x4,
+ MESA_FORMAT_RGBA_ASTC_5x5x4,
+ MESA_FORMAT_RGBA_ASTC_5x5x5,
+ MESA_FORMAT_RGBA_ASTC_6x5x5,
+ MESA_FORMAT_RGBA_ASTC_6x6x5,
+ MESA_FORMAT_RGBA_ASTC_6x6x6,
+ MESA_FORMAT_SRGB8_ALPHA8_ASTC_3x3x3,
+ MESA_FORMAT_SRGB8_ALPHA8_ASTC_4x3x3,
+ MESA_FORMAT_SRGB8_ALPHA8_ASTC_4x4x3,
+ MESA_FORMAT_SRGB8_ALPHA8_ASTC_4x4x4,
+ MESA_FORMAT_SRGB8_ALPHA8_ASTC_5x4x4,
+ MESA_FORMAT_SRGB8_ALPHA8_ASTC_5x5x4,
+ MESA_FORMAT_SRGB8_ALPHA8_ASTC_5x5x5,
+ MESA_FORMAT_SRGB8_ALPHA8_ASTC_6x5x5,
+ MESA_FORMAT_SRGB8_ALPHA8_ASTC_6x6x5,
+ MESA_FORMAT_SRGB8_ALPHA8_ASTC_6x6x6,
MESA_FORMAT_COUNT
} mesa_format;
extern GLuint
_mesa_get_format_max_bits(mesa_format format);
+extern enum mesa_format_layout
+_mesa_get_format_layout(mesa_format format);
+
extern GLenum
_mesa_get_format_datatype(mesa_format format);
extern GLenum
-_mesa_get_format_base_format(mesa_format format);
+_mesa_get_format_base_format(uint32_t format);
extern void
_mesa_get_format_block_size(mesa_format format, GLuint *bw, GLuint *bh);
+extern void
+_mesa_get_format_block_size_3d(mesa_format format, GLuint *bw,
+ GLuint *bh, GLuint *bd);
+
+extern mesa_array_format
+_mesa_array_format_flip_channels(mesa_array_format format);
+
+extern void
+_mesa_get_format_swizzle(mesa_format format, uint8_t swizzle_out[4]);
+
+extern uint32_t
+_mesa_format_to_array_format(mesa_format format);
+
+extern mesa_format
+_mesa_format_from_array_format(uint32_t array_format);
+
extern GLboolean
_mesa_is_format_compressed(mesa_format format);
extern GLboolean
_mesa_is_format_signed(mesa_format format);
+extern GLboolean
+_mesa_is_format_integer(mesa_format format);
+
+extern bool
+_mesa_is_format_etc2(mesa_format format);
+
+GLenum
+_mesa_is_format_color_format(mesa_format format);
+
extern GLenum
_mesa_get_format_color_encoding(mesa_format format);
_mesa_format_row_stride(mesa_format format, GLsizei width);
extern void
-_mesa_format_to_type_and_comps(mesa_format format,
+_mesa_uncompressed_format_to_type_and_comps(mesa_format format,
GLenum *datatype, GLuint *comps);
extern void
extern mesa_format
_mesa_get_srgb_format_linear(mesa_format format);
+extern mesa_format
+_mesa_get_linear_format_srgb(mesa_format format);
+
extern mesa_format
_mesa_get_uncompressed_format(mesa_format format);
extern GLuint
_mesa_format_num_components(mesa_format format);
+extern bool
+_mesa_format_has_color_component(mesa_format format, int component);
+
GLboolean
_mesa_format_matches_format_and_type(mesa_format mesa_format,
GLenum format, GLenum type,
- GLboolean swapBytes);
+ GLboolean swapBytes, GLenum *error);
+
+mesa_format
+_mesa_format_fallback_rgbx_to_rgba(mesa_format format);
#ifdef __cplusplus
}
projects / mesa.git / blobdiff