0,0 → 1,2848 |
/* |
* Mesa 3-D graphics library |
* |
* Copyright (c) 2011 VMware, Inc. |
* |
* Permission is hereby granted, free of charge, to any person obtaining a |
* copy of this software and associated documentation files (the "Software"), |
* to deal in the Software without restriction, including without limitation |
* the rights to use, copy, modify, merge, publish, distribute, sublicense, |
* and/or sell copies of the Software, and to permit persons to whom the |
* Software is furnished to do so, subject to the following conditions: |
* |
* The above copyright notice and this permission notice shall be included |
* in all copies or substantial portions of the Software. |
* |
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR |
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, |
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
* OTHER DEALINGS IN THE SOFTWARE. |
*/ |
|
|
/** |
* Color, depth, stencil packing functions. |
* Used to pack basic color, depth and stencil formats to specific |
* hardware formats. |
* |
* There are both per-pixel and per-row packing functions: |
* - The former will be used by swrast to write values to the color, depth, |
* stencil buffers when drawing points, lines and masked spans. |
* - The later will be used for image-oriented functions like glDrawPixels, |
* glAccum, and glTexImage. |
*/ |
|
|
#include "colormac.h" |
#include "format_pack.h" |
#include "macros.h" |
#include "../../gallium/auxiliary/util/u_format_rgb9e5.h" |
#include "../../gallium/auxiliary/util/u_format_r11g11b10f.h" |
|
|
/** Helper struct for MESA_FORMAT_Z32_FLOAT_X24S8 */ |
struct z32f_x24s8 |
{ |
float z; |
uint32_t x24s8; |
}; |
|
|
typedef void (*pack_ubyte_rgba_row_func)(GLuint n, |
const GLubyte src[][4], void *dst); |
|
typedef void (*pack_float_rgba_row_func)(GLuint n, |
const GLfloat src[][4], void *dst); |
|
|
|
static inline GLfloat |
linear_to_srgb(GLfloat cl) |
{ |
if (cl < 0.0f) |
return 0.0f; |
else if (cl < 0.0031308f) |
return 12.92f * cl; |
else if (cl < 1.0f) |
return 1.055f * powf(cl, 0.41666f) - 0.055f; |
else |
return 1.0f; |
} |
|
|
static inline GLubyte |
linear_float_to_srgb_ubyte(GLfloat cl) |
{ |
GLubyte res = FLOAT_TO_UBYTE(linear_to_srgb(cl)); |
return res; |
} |
|
|
static inline GLubyte |
linear_ubyte_to_srgb_ubyte(GLubyte cl) |
{ |
GLubyte res = FLOAT_TO_UBYTE(linear_to_srgb(cl / 255.0f)); |
return res; |
} |
|
|
|
|
/* |
* MESA_FORMAT_RGBA8888 |
*/ |
|
static void |
pack_ubyte_RGBA8888(const GLubyte src[4], void *dst) |
{ |
GLuint *d = ((GLuint *) dst); |
*d = PACK_COLOR_8888(src[RCOMP], src[GCOMP], src[BCOMP], src[ACOMP]); |
} |
|
static void |
pack_float_RGBA8888(const GLfloat src[4], void *dst) |
{ |
GLubyte v[4]; |
_mesa_unclamped_float_rgba_to_ubyte(v, src); |
pack_ubyte_RGBA8888(v, dst); |
} |
|
static void |
pack_row_ubyte_RGBA8888(GLuint n, const GLubyte src[][4], void *dst) |
{ |
GLuint *d = ((GLuint *) dst); |
GLuint i; |
for (i = 0; i < n; i++) { |
d[i] = PACK_COLOR_8888(src[i][RCOMP], src[i][GCOMP], |
src[i][BCOMP], src[i][ACOMP]); |
} |
} |
|
static void |
pack_row_float_RGBA8888(GLuint n, const GLfloat src[][4], void *dst) |
{ |
GLuint *d = ((GLuint *) dst); |
GLuint i; |
for (i = 0; i < n; i++) { |
GLubyte v[4]; |
_mesa_unclamped_float_rgba_to_ubyte(v, src[i]); |
pack_ubyte_RGBA8888(v, d + i); |
} |
} |
|
|
|
/* |
* MESA_FORMAT_RGBA8888_REV |
*/ |
|
static void |
pack_ubyte_RGBA8888_REV(const GLubyte src[4], void *dst) |
{ |
GLuint *d = ((GLuint *) dst); |
*d = PACK_COLOR_8888(src[ACOMP], src[BCOMP], src[GCOMP], src[RCOMP]); |
} |
|
static void |
pack_float_RGBA8888_REV(const GLfloat src[4], void *dst) |
{ |
GLubyte v[4]; |
_mesa_unclamped_float_rgba_to_ubyte(v, src); |
pack_ubyte_RGBA8888_REV(v, dst); |
} |
|
static void |
pack_row_ubyte_RGBA8888_REV(GLuint n, const GLubyte src[][4], void *dst) |
{ |
GLuint *d = ((GLuint *) dst); |
GLuint i; |
for (i = 0; i < n; i++) { |
d[i] = PACK_COLOR_8888(src[i][ACOMP], src[i][BCOMP], |
src[i][GCOMP], src[i][RCOMP]); |
} |
} |
|
static void |
pack_row_float_RGBA8888_REV(GLuint n, const GLfloat src[][4], void *dst) |
{ |
GLuint *d = ((GLuint *) dst); |
GLuint i; |
for (i = 0; i < n; i++) { |
GLubyte v[4]; |
_mesa_unclamped_float_rgba_to_ubyte(v, src[i]); |
pack_ubyte_RGBA8888_REV(v, d + i); |
} |
} |
|
|
/* |
* MESA_FORMAT_ARGB8888 |
*/ |
|
static void |
pack_ubyte_ARGB8888(const GLubyte src[4], void *dst) |
{ |
GLuint *d = ((GLuint *) dst); |
*d = PACK_COLOR_8888(src[ACOMP], src[RCOMP], src[GCOMP], src[BCOMP]); |
} |
|
static void |
pack_float_ARGB8888(const GLfloat src[4], void *dst) |
{ |
GLubyte v[4]; |
_mesa_unclamped_float_rgba_to_ubyte(v, src); |
pack_ubyte_ARGB8888(v, dst); |
} |
|
static void |
pack_row_ubyte_ARGB8888(GLuint n, const GLubyte src[][4], void *dst) |
{ |
GLuint *d = ((GLuint *) dst); |
GLuint i; |
for (i = 0; i < n; i++) { |
d[i] = PACK_COLOR_8888(src[i][ACOMP], src[i][RCOMP], |
src[i][GCOMP], src[i][BCOMP]); |
} |
} |
|
static void |
pack_row_float_ARGB8888(GLuint n, const GLfloat src[][4], void *dst) |
{ |
GLuint *d = ((GLuint *) dst); |
GLuint i; |
for (i = 0; i < n; i++) { |
GLubyte v[4]; |
_mesa_unclamped_float_rgba_to_ubyte(v, src[i]); |
pack_ubyte_ARGB8888(v, d + i); |
} |
} |
|
|
/* |
* MESA_FORMAT_ARGB8888_REV |
*/ |
|
static void |
pack_ubyte_ARGB8888_REV(const GLubyte src[4], void *dst) |
{ |
GLuint *d = ((GLuint *) dst); |
*d = PACK_COLOR_8888(src[BCOMP], src[GCOMP], src[RCOMP], src[ACOMP]); |
} |
|
static void |
pack_float_ARGB8888_REV(const GLfloat src[4], void *dst) |
{ |
GLubyte v[4]; |
_mesa_unclamped_float_rgba_to_ubyte(v, src); |
pack_ubyte_ARGB8888_REV(v, dst); |
} |
|
static void |
pack_row_ubyte_ARGB8888_REV(GLuint n, const GLubyte src[][4], void *dst) |
{ |
GLuint *d = ((GLuint *) dst); |
GLuint i; |
for (i = 0; i < n; i++) { |
d[i] = PACK_COLOR_8888(src[i][BCOMP], src[i][GCOMP], |
src[i][RCOMP], src[i][ACOMP]); |
} |
} |
|
static void |
pack_row_float_ARGB8888_REV(GLuint n, const GLfloat src[][4], void *dst) |
{ |
GLuint *d = ((GLuint *) dst); |
GLuint i; |
for (i = 0; i < n; i++) { |
GLubyte v[4]; |
_mesa_unclamped_float_rgba_to_ubyte(v, src[i]); |
pack_ubyte_ARGB8888_REV(v, d + i); |
} |
} |
|
|
/* |
* MESA_FORMAT_XRGB8888 |
*/ |
|
static void |
pack_ubyte_XRGB8888(const GLubyte src[4], void *dst) |
{ |
GLuint *d = ((GLuint *) dst); |
*d = PACK_COLOR_8888(0x0, src[RCOMP], src[GCOMP], src[BCOMP]); |
} |
|
static void |
pack_float_XRGB8888(const GLfloat src[4], void *dst) |
{ |
GLubyte v[4]; |
_mesa_unclamped_float_rgba_to_ubyte(v, src); |
pack_ubyte_XRGB8888(v, dst); |
} |
|
static void |
pack_row_ubyte_XRGB8888(GLuint n, const GLubyte src[][4], void *dst) |
{ |
GLuint *d = ((GLuint *) dst); |
GLuint i; |
for (i = 0; i < n; i++) { |
d[i] = PACK_COLOR_8888(0, src[i][RCOMP], src[i][GCOMP], src[i][BCOMP]); |
} |
} |
|
static void |
pack_row_float_XRGB8888(GLuint n, const GLfloat src[][4], void *dst) |
{ |
GLuint *d = ((GLuint *) dst); |
GLuint i; |
for (i = 0; i < n; i++) { |
GLubyte v[4]; |
_mesa_unclamped_float_rgba_to_ubyte(v, src[i]); |
pack_ubyte_XRGB8888(v, d + i); |
} |
} |
|
|
/* |
* MESA_FORMAT_XRGB8888_REV |
*/ |
|
static void |
pack_ubyte_XRGB8888_REV(const GLubyte src[4], void *dst) |
{ |
GLuint *d = ((GLuint *) dst); |
*d = PACK_COLOR_8888(src[BCOMP], src[GCOMP], src[RCOMP], 0); |
} |
|
static void |
pack_float_XRGB8888_REV(const GLfloat src[4], void *dst) |
{ |
GLubyte v[4]; |
_mesa_unclamped_float_rgba_to_ubyte(v, src); |
pack_ubyte_XRGB8888_REV(v, dst); |
} |
|
static void |
pack_row_ubyte_XRGB8888_REV(GLuint n, const GLubyte src[][4], void *dst) |
{ |
GLuint *d = ((GLuint *) dst); |
GLuint i; |
for (i = 0; i < n; i++) { |
d[i] = PACK_COLOR_8888(src[i][BCOMP], src[i][GCOMP], src[i][RCOMP], 0); |
} |
} |
|
static void |
pack_row_float_XRGB8888_REV(GLuint n, const GLfloat src[][4], void *dst) |
{ |
GLuint *d = ((GLuint *) dst); |
GLuint i; |
for (i = 0; i < n; i++) { |
GLubyte v[4]; |
_mesa_unclamped_float_rgba_to_ubyte(v, src[i]); |
pack_ubyte_XRGB8888_REV(v, d + i); |
} |
} |
|
|
/* |
* MESA_FORMAT_RGB888 |
*/ |
|
static void |
pack_ubyte_RGB888(const GLubyte src[4], void *dst) |
{ |
GLubyte *d = ((GLubyte *) dst); |
d[2] = src[RCOMP]; |
d[1] = src[GCOMP]; |
d[0] = src[BCOMP]; |
} |
|
static void |
pack_float_RGB888(const GLfloat src[4], void *dst) |
{ |
GLubyte *d = ((GLubyte *) dst); |
UNCLAMPED_FLOAT_TO_UBYTE(d[2], src[RCOMP]); |
UNCLAMPED_FLOAT_TO_UBYTE(d[1], src[GCOMP]); |
UNCLAMPED_FLOAT_TO_UBYTE(d[0], src[BCOMP]); |
} |
|
static void |
pack_row_ubyte_RGB888(GLuint n, const GLubyte src[][4], void *dst) |
{ |
GLubyte *d = ((GLubyte *) dst); |
GLuint i; |
for (i = 0; i < n; i++) { |
d[i*3+2] = src[i][RCOMP]; |
d[i*3+1] = src[i][GCOMP]; |
d[i*3+0] = src[i][BCOMP]; |
} |
} |
|
static void |
pack_row_float_RGB888(GLuint n, const GLfloat src[][4], void *dst) |
{ |
GLubyte *d = ((GLubyte *) dst); |
GLuint i; |
for (i = 0; i < n; i++) { |
GLubyte v[4]; |
_mesa_unclamped_float_rgba_to_ubyte(v, src[i]); |
d[i*3+2] = v[RCOMP]; |
d[i*3+1] = v[GCOMP]; |
d[i*3+0] = v[BCOMP]; |
} |
} |
|
|
/* |
* MESA_FORMAT_BGR888 |
*/ |
|
static void |
pack_ubyte_BGR888(const GLubyte src[4], void *dst) |
{ |
GLubyte *d = ((GLubyte *) dst); |
d[2] = src[BCOMP]; |
d[1] = src[GCOMP]; |
d[0] = src[RCOMP]; |
} |
|
static void |
pack_float_BGR888(const GLfloat src[4], void *dst) |
{ |
GLubyte *d = ((GLubyte *) dst); |
UNCLAMPED_FLOAT_TO_UBYTE(d[2], src[BCOMP]); |
UNCLAMPED_FLOAT_TO_UBYTE(d[1], src[GCOMP]); |
UNCLAMPED_FLOAT_TO_UBYTE(d[0], src[RCOMP]); |
} |
|
static void |
pack_row_ubyte_BGR888(GLuint n, const GLubyte src[][4], void *dst) |
{ |
GLubyte *d = ((GLubyte *) dst); |
GLuint i; |
for (i = 0; i < n; i++) { |
d[i*3+2] = src[i][BCOMP]; |
d[i*3+1] = src[i][GCOMP]; |
d[i*3+0] = src[i][RCOMP]; |
} |
} |
|
static void |
pack_row_float_BGR888(GLuint n, const GLfloat src[][4], void *dst) |
{ |
GLubyte *d = ((GLubyte *) dst); |
GLuint i; |
for (i = 0; i < n; i++) { |
GLubyte v[4]; |
_mesa_unclamped_float_rgba_to_ubyte(v, src[i]); |
d[i*3+2] = v[BCOMP]; |
d[i*3+1] = v[GCOMP]; |
d[i*3+0] = v[RCOMP]; |
} |
} |
|
|
/* |
* MESA_FORMAT_RGB565 |
*/ |
|
static void |
pack_ubyte_RGB565(const GLubyte src[4], void *dst) |
{ |
GLushort *d = ((GLushort *) dst); |
*d = PACK_COLOR_565(src[RCOMP], src[GCOMP], src[BCOMP]); |
} |
|
static void |
pack_float_RGB565(const GLfloat src[4], void *dst) |
{ |
GLubyte v[3]; |
UNCLAMPED_FLOAT_TO_UBYTE(v[0], src[RCOMP]); |
UNCLAMPED_FLOAT_TO_UBYTE(v[1], src[GCOMP]); |
UNCLAMPED_FLOAT_TO_UBYTE(v[2], src[BCOMP]); |
pack_ubyte_RGB565(v, dst); |
} |
|
static void |
pack_row_ubyte_RGB565(GLuint n, const GLubyte src[][4], void *dst) |
{ |
GLushort *d = ((GLushort *) dst); |
GLuint i; |
for (i = 0; i < n; i++) { |
pack_ubyte_RGB565(src[i], d + i); |
} |
} |
|
static void |
pack_row_float_RGB565(GLuint n, const GLfloat src[][4], void *dst) |
{ |
GLushort *d = ((GLushort *) dst); |
GLuint i; |
for (i = 0; i < n; i++) { |
GLubyte v[4]; |
_mesa_unclamped_float_rgba_to_ubyte(v, src[i]); |
pack_ubyte_RGB565(v, d + i); |
} |
} |
|
|
/* |
* MESA_FORMAT_RGB565_REV |
*/ |
|
static void |
pack_ubyte_RGB565_REV(const GLubyte src[4], void *dst) |
{ |
GLushort *d = ((GLushort *) dst); |
*d = PACK_COLOR_565_REV(src[RCOMP], src[GCOMP], src[BCOMP]); |
} |
|
static void |
pack_float_RGB565_REV(const GLfloat src[4], void *dst) |
{ |
GLushort *d = ((GLushort *) dst); |
GLubyte r, g, b; |
UNCLAMPED_FLOAT_TO_UBYTE(r, src[RCOMP]); |
UNCLAMPED_FLOAT_TO_UBYTE(g, src[GCOMP]); |
UNCLAMPED_FLOAT_TO_UBYTE(b, src[BCOMP]); |
*d = PACK_COLOR_565_REV(r, g, b); |
} |
|
static void |
pack_row_ubyte_RGB565_REV(GLuint n, const GLubyte src[][4], void *dst) |
{ |
GLushort *d = ((GLushort *) dst); |
GLuint i; |
for (i = 0; i < n; i++) { |
pack_ubyte_RGB565_REV(src[i], d + i); |
} |
} |
|
static void |
pack_row_float_RGB565_REV(GLuint n, const GLfloat src[][4], void *dst) |
{ |
GLushort *d = ((GLushort *) dst); |
GLuint i; |
for (i = 0; i < n; i++) { |
GLubyte v[4]; |
_mesa_unclamped_float_rgba_to_ubyte(v, src[i]); |
pack_ubyte_RGB565_REV(v, d + i); |
} |
} |
|
|
/* |
* MESA_FORMAT_ARGB4444 |
*/ |
|
static void |
pack_ubyte_ARGB4444(const GLubyte src[4], void *dst) |
{ |
GLushort *d = ((GLushort *) dst); |
*d = PACK_COLOR_4444(src[ACOMP], src[RCOMP], src[GCOMP], src[BCOMP]); |
} |
|
static void |
pack_float_ARGB4444(const GLfloat src[4], void *dst) |
{ |
GLubyte v[4]; |
_mesa_unclamped_float_rgba_to_ubyte(v, src); |
pack_ubyte_ARGB4444(v, dst); |
} |
|
/* use fallback row packing functions */ |
|
|
/* |
* MESA_FORMAT_ARGB4444_REV |
*/ |
|
static void |
pack_ubyte_ARGB4444_REV(const GLubyte src[4], void *dst) |
{ |
GLushort *d = ((GLushort *) dst); |
*d = PACK_COLOR_4444(src[GCOMP], src[BCOMP], src[ACOMP], src[RCOMP]); |
} |
|
static void |
pack_float_ARGB4444_REV(const GLfloat src[4], void *dst) |
{ |
GLubyte v[4]; |
_mesa_unclamped_float_rgba_to_ubyte(v, src); |
pack_ubyte_ARGB4444_REV(v, dst); |
} |
|
/* use fallback row packing functions */ |
|
|
/* |
* MESA_FORMAT_RGBA5551 |
*/ |
|
static void |
pack_ubyte_RGBA5551(const GLubyte src[4], void *dst) |
{ |
GLushort *d = ((GLushort *) dst); |
*d = PACK_COLOR_5551(src[RCOMP], src[GCOMP], src[BCOMP], src[ACOMP]); |
} |
|
static void |
pack_float_RGBA5551(const GLfloat src[4], void *dst) |
{ |
GLubyte v[4]; |
_mesa_unclamped_float_rgba_to_ubyte(v, src); |
pack_ubyte_RGBA5551(v, dst); |
} |
|
/* use fallback row packing functions */ |
|
|
/* |
* MESA_FORMAT_ARGB1555 |
*/ |
|
static void |
pack_ubyte_ARGB1555(const GLubyte src[4], void *dst) |
{ |
GLushort *d = ((GLushort *) dst); |
*d = PACK_COLOR_1555(src[ACOMP], src[RCOMP], src[GCOMP], src[BCOMP]); |
} |
|
static void |
pack_float_ARGB1555(const GLfloat src[4], void *dst) |
{ |
GLubyte v[4]; |
_mesa_unclamped_float_rgba_to_ubyte(v, src); |
pack_ubyte_ARGB1555(v, dst); |
} |
|
|
/* MESA_FORMAT_ARGB1555_REV */ |
|
static void |
pack_ubyte_ARGB1555_REV(const GLubyte src[4], void *dst) |
{ |
GLushort *d = ((GLushort *) dst), tmp; |
tmp = PACK_COLOR_1555(src[ACOMP], src[RCOMP], src[GCOMP], src[BCOMP]); |
*d = (tmp >> 8) | (tmp << 8); |
} |
|
static void |
pack_float_ARGB1555_REV(const GLfloat src[4], void *dst) |
{ |
GLubyte v[4]; |
_mesa_unclamped_float_rgba_to_ubyte(v, src); |
pack_ubyte_ARGB1555_REV(v, dst); |
} |
|
|
/* MESA_FORMAT_AL44 */ |
|
static void |
pack_ubyte_AL44(const GLubyte src[4], void *dst) |
{ |
GLubyte *d = ((GLubyte *) dst); |
*d = PACK_COLOR_44(src[ACOMP], src[RCOMP]); |
} |
|
static void |
pack_float_AL44(const GLfloat src[4], void *dst) |
{ |
GLubyte v[4]; |
UNCLAMPED_FLOAT_TO_UBYTE(v[0], src[RCOMP]); |
UNCLAMPED_FLOAT_TO_UBYTE(v[3], src[ACOMP]); |
pack_ubyte_AL44(v, dst); |
} |
|
|
/* MESA_FORMAT_AL88 */ |
|
static void |
pack_ubyte_AL88(const GLubyte src[4], void *dst) |
{ |
GLushort *d = ((GLushort *) dst); |
*d = PACK_COLOR_88(src[ACOMP], src[RCOMP]); |
} |
|
static void |
pack_float_AL88(const GLfloat src[4], void *dst) |
{ |
GLubyte v[4]; |
UNCLAMPED_FLOAT_TO_UBYTE(v[0], src[RCOMP]); |
UNCLAMPED_FLOAT_TO_UBYTE(v[3], src[ACOMP]); |
pack_ubyte_AL88(v, dst); |
} |
|
|
/* MESA_FORMAT_AL88_REV */ |
|
static void |
pack_ubyte_AL88_REV(const GLubyte src[4], void *dst) |
{ |
GLushort *d = ((GLushort *) dst); |
*d = PACK_COLOR_88(src[RCOMP], src[ACOMP]); |
} |
|
static void |
pack_float_AL88_REV(const GLfloat src[4], void *dst) |
{ |
GLubyte v[4]; |
UNCLAMPED_FLOAT_TO_UBYTE(v[0], src[RCOMP]); |
UNCLAMPED_FLOAT_TO_UBYTE(v[3], src[ACOMP]); |
pack_ubyte_AL88_REV(v, dst); |
} |
|
|
/* MESA_FORMAT_AL1616 */ |
|
static void |
pack_ubyte_AL1616(const GLubyte src[4], void *dst) |
{ |
GLuint *d = ((GLuint *) dst); |
GLushort l = UBYTE_TO_USHORT(src[RCOMP]); |
GLushort a = UBYTE_TO_USHORT(src[ACOMP]); |
*d = PACK_COLOR_1616(a, l); |
} |
|
static void |
pack_float_AL1616(const GLfloat src[4], void *dst) |
{ |
GLuint *d = ((GLuint *) dst); |
GLushort l, a; |
UNCLAMPED_FLOAT_TO_USHORT(l, src[RCOMP]); |
UNCLAMPED_FLOAT_TO_USHORT(a, src[ACOMP]); |
*d = PACK_COLOR_1616(a, l); |
} |
|
|
/* MESA_FORMAT_AL1616_REV */ |
|
static void |
pack_ubyte_AL1616_REV(const GLubyte src[4], void *dst) |
{ |
GLuint *d = ((GLuint *) dst); |
GLushort l = UBYTE_TO_USHORT(src[RCOMP]); |
GLushort a = UBYTE_TO_USHORT(src[ACOMP]); |
*d = PACK_COLOR_1616(l, a); |
} |
|
static void |
pack_float_AL1616_REV(const GLfloat src[4], void *dst) |
{ |
GLuint *d = ((GLuint *) dst); |
GLushort l, a; |
UNCLAMPED_FLOAT_TO_USHORT(l, src[RCOMP]); |
UNCLAMPED_FLOAT_TO_USHORT(a, src[ACOMP]); |
*d = PACK_COLOR_1616(l, a); |
} |
|
|
/* MESA_FORMAT_RGB332 */ |
|
static void |
pack_ubyte_RGB332(const GLubyte src[4], void *dst) |
{ |
GLubyte *d = ((GLubyte *) dst); |
*d = PACK_COLOR_332(src[RCOMP], src[GCOMP], src[BCOMP]); |
} |
|
static void |
pack_float_RGB332(const GLfloat src[4], void *dst) |
{ |
GLubyte v[4]; |
UNCLAMPED_FLOAT_TO_UBYTE(v[0], src[RCOMP]); |
UNCLAMPED_FLOAT_TO_UBYTE(v[1], src[GCOMP]); |
UNCLAMPED_FLOAT_TO_UBYTE(v[2], src[BCOMP]); |
pack_ubyte_RGB332(v, dst); |
} |
|
|
/* MESA_FORMAT_A8 */ |
|
static void |
pack_ubyte_A8(const GLubyte src[4], void *dst) |
{ |
GLubyte *d = ((GLubyte *) dst); |
*d = src[ACOMP]; |
} |
|
static void |
pack_float_A8(const GLfloat src[4], void *dst) |
{ |
GLubyte *d = ((GLubyte *) dst); |
UNCLAMPED_FLOAT_TO_UBYTE(d[0], src[ACOMP]); |
} |
|
|
/* MESA_FORMAT_A16 */ |
|
static void |
pack_ubyte_A16(const GLubyte src[4], void *dst) |
{ |
GLushort *d = ((GLushort *) dst); |
*d = UBYTE_TO_USHORT(src[ACOMP]); |
} |
|
static void |
pack_float_A16(const GLfloat src[4], void *dst) |
{ |
GLushort *d = ((GLushort *) dst); |
UNCLAMPED_FLOAT_TO_USHORT(d[0], src[ACOMP]); |
} |
|
|
/* MESA_FORMAT_L8 */ |
|
static void |
pack_ubyte_L8(const GLubyte src[4], void *dst) |
{ |
GLubyte *d = ((GLubyte *) dst); |
*d = src[RCOMP]; |
} |
|
static void |
pack_float_L8(const GLfloat src[4], void *dst) |
{ |
GLubyte *d = ((GLubyte *) dst); |
UNCLAMPED_FLOAT_TO_UBYTE(d[0], src[RCOMP]); |
} |
|
|
/* MESA_FORMAT_L16 */ |
|
static void |
pack_ubyte_L16(const GLubyte src[4], void *dst) |
{ |
GLushort *d = ((GLushort *) dst); |
*d = UBYTE_TO_USHORT(src[RCOMP]); |
} |
|
static void |
pack_float_L16(const GLfloat src[4], void *dst) |
{ |
GLushort *d = ((GLushort *) dst); |
UNCLAMPED_FLOAT_TO_USHORT(d[0], src[RCOMP]); |
} |
|
|
/* MESA_FORMAT_YCBCR */ |
|
static void |
pack_ubyte_YCBCR(const GLubyte src[4], void *dst) |
{ |
/* todo */ |
} |
|
static void |
pack_float_YCBCR(const GLfloat src[4], void *dst) |
{ |
/* todo */ |
} |
|
|
/* MESA_FORMAT_YCBCR_REV */ |
|
static void |
pack_ubyte_YCBCR_REV(const GLubyte src[4], void *dst) |
{ |
/* todo */ |
} |
|
static void |
pack_float_YCBCR_REV(const GLfloat src[4], void *dst) |
{ |
/* todo */ |
} |
|
|
/* MESA_FORMAT_R8 */ |
|
static void |
pack_ubyte_R8(const GLubyte src[4], void *dst) |
{ |
GLubyte *d = ((GLubyte *) dst); |
*d = src[RCOMP]; |
} |
|
static void |
pack_float_R8(const GLfloat src[4], void *dst) |
{ |
GLubyte *d = ((GLubyte *) dst); |
GLubyte r; |
UNCLAMPED_FLOAT_TO_UBYTE(r, src[RCOMP]); |
d[0] = r; |
} |
|
|
/* MESA_FORMAT_GR88 */ |
|
static void |
pack_ubyte_GR88(const GLubyte src[4], void *dst) |
{ |
GLubyte *d = ((GLubyte *) dst); |
*d = PACK_COLOR_88(src[GCOMP], src[RCOMP]); |
} |
|
static void |
pack_float_GR88(const GLfloat src[4], void *dst) |
{ |
GLushort *d = ((GLushort *) dst); |
GLubyte r, g; |
UNCLAMPED_FLOAT_TO_UBYTE(r, src[RCOMP]); |
UNCLAMPED_FLOAT_TO_UBYTE(g, src[GCOMP]); |
*d = PACK_COLOR_88(g, r); |
} |
|
|
/* MESA_FORMAT_RG88 */ |
|
static void |
pack_ubyte_RG88(const GLubyte src[4], void *dst) |
{ |
GLubyte *d = ((GLubyte *) dst); |
*d = PACK_COLOR_88(src[RCOMP], src[GCOMP]); |
} |
|
static void |
pack_float_RG88(const GLfloat src[4], void *dst) |
{ |
GLushort *d = ((GLushort *) dst); |
GLubyte r, g; |
UNCLAMPED_FLOAT_TO_UBYTE(r, src[RCOMP]); |
UNCLAMPED_FLOAT_TO_UBYTE(g, src[GCOMP]); |
*d = PACK_COLOR_88(r, g); |
} |
|
|
/* MESA_FORMAT_R16 */ |
|
static void |
pack_ubyte_R16(const GLubyte src[4], void *dst) |
{ |
GLushort *d = ((GLushort *) dst); |
*d = UBYTE_TO_USHORT(src[RCOMP]); |
} |
|
static void |
pack_float_R16(const GLfloat src[4], void *dst) |
{ |
GLushort *d = ((GLushort *) dst); |
UNCLAMPED_FLOAT_TO_USHORT(d[0], src[RCOMP]); |
} |
|
|
/* MESA_FORMAT_GR1616 */ |
|
static void |
pack_ubyte_GR1616(const GLubyte src[4], void *dst) |
{ |
GLuint *d = ((GLuint *) dst); |
GLushort r = UBYTE_TO_USHORT(src[RCOMP]); |
GLushort g = UBYTE_TO_USHORT(src[GCOMP]); |
*d = PACK_COLOR_1616(g, r); |
} |
|
static void |
pack_float_GR1616(const GLfloat src[4], void *dst) |
{ |
GLuint *d = ((GLuint *) dst); |
GLushort r, g; |
UNCLAMPED_FLOAT_TO_USHORT(r, src[RCOMP]); |
UNCLAMPED_FLOAT_TO_USHORT(g, src[GCOMP]); |
*d = PACK_COLOR_1616(g, r); |
} |
|
|
/* MESA_FORMAT_RG1616 */ |
|
static void |
pack_ubyte_RG1616(const GLubyte src[4], void *dst) |
{ |
GLuint *d = ((GLuint *) dst); |
GLushort r = UBYTE_TO_USHORT(src[RCOMP]); |
GLushort g = UBYTE_TO_USHORT(src[GCOMP]); |
*d = PACK_COLOR_1616(r, g); |
} |
|
|
static void |
pack_float_RG1616(const GLfloat src[4], void *dst) |
{ |
GLuint *d = ((GLuint *) dst); |
GLushort r, g; |
UNCLAMPED_FLOAT_TO_USHORT(r, src[RCOMP]); |
UNCLAMPED_FLOAT_TO_USHORT(g, src[GCOMP]); |
*d = PACK_COLOR_1616(r, g); |
} |
|
|
/* MESA_FORMAT_ARGB2101010 */ |
|
static void |
pack_ubyte_ARGB2101010(const GLubyte src[4], void *dst) |
{ |
GLuint *d = ((GLuint *) dst); |
GLushort r = UBYTE_TO_USHORT(src[RCOMP]); |
GLushort g = UBYTE_TO_USHORT(src[GCOMP]); |
GLushort b = UBYTE_TO_USHORT(src[BCOMP]); |
GLushort a = UBYTE_TO_USHORT(src[ACOMP]); |
*d = PACK_COLOR_2101010_US(a, r, g, b); |
} |
|
static void |
pack_float_ARGB2101010(const GLfloat src[4], void *dst) |
{ |
GLuint *d = ((GLuint *) dst); |
GLushort r, g, b, a; |
UNCLAMPED_FLOAT_TO_USHORT(r, src[RCOMP]); |
UNCLAMPED_FLOAT_TO_USHORT(g, src[GCOMP]); |
UNCLAMPED_FLOAT_TO_USHORT(b, src[BCOMP]); |
UNCLAMPED_FLOAT_TO_USHORT(a, src[ACOMP]); |
*d = PACK_COLOR_2101010_US(a, r, g, b); |
} |
|
|
/* MESA_FORMAT_ABGR2101010_UINT */ |
|
static void |
pack_ubyte_ABGR2101010_UINT(const GLubyte src[4], void *dst) |
{ |
GLuint *d = ((GLuint *) dst); |
GLushort r = UBYTE_TO_USHORT(src[RCOMP]); |
GLushort g = UBYTE_TO_USHORT(src[GCOMP]); |
GLushort b = UBYTE_TO_USHORT(src[BCOMP]); |
GLushort a = UBYTE_TO_USHORT(src[ACOMP]); |
*d = PACK_COLOR_2101010_US(a, b, g, r); |
} |
|
static void |
pack_float_ABGR2101010_UINT(const GLfloat src[4], void *dst) |
{ |
GLuint *d = ((GLuint *) dst); |
GLushort r, g, b, a; |
UNCLAMPED_FLOAT_TO_USHORT(r, src[RCOMP]); |
UNCLAMPED_FLOAT_TO_USHORT(g, src[GCOMP]); |
UNCLAMPED_FLOAT_TO_USHORT(b, src[BCOMP]); |
UNCLAMPED_FLOAT_TO_USHORT(a, src[ACOMP]); |
*d = PACK_COLOR_2101010_US(a, b, g, r); |
} |
|
|
/* MESA_FORMAT_SRGB8 */ |
|
static void |
pack_ubyte_SRGB8(const GLubyte src[4], void *dst) |
{ |
GLubyte *d = ((GLubyte *) dst); |
d[2] = linear_ubyte_to_srgb_ubyte(src[RCOMP]); |
d[1] = linear_ubyte_to_srgb_ubyte(src[RCOMP]); |
d[0] = linear_ubyte_to_srgb_ubyte(src[RCOMP]); |
} |
|
static void |
pack_float_SRGB8(const GLfloat src[4], void *dst) |
{ |
GLubyte *d = ((GLubyte *) dst); |
d[2] = linear_float_to_srgb_ubyte(src[RCOMP]); |
d[1] = linear_float_to_srgb_ubyte(src[GCOMP]); |
d[0] = linear_float_to_srgb_ubyte(src[BCOMP]); |
} |
|
|
/* MESA_FORMAT_SRGBA8 */ |
|
static void |
pack_ubyte_SRGBA8(const GLubyte src[4], void *dst) |
{ |
GLuint *d = ((GLuint *) dst); |
GLubyte r = linear_ubyte_to_srgb_ubyte(src[RCOMP]); |
GLubyte g = linear_ubyte_to_srgb_ubyte(src[GCOMP]); |
GLubyte b = linear_ubyte_to_srgb_ubyte(src[BCOMP]); |
*d = PACK_COLOR_8888(r, g, b, src[ACOMP]); |
} |
|
static void |
pack_float_SRGBA8(const GLfloat src[4], void *dst) |
{ |
GLuint *d = ((GLuint *) dst); |
GLubyte r, g, b, a; |
r = linear_float_to_srgb_ubyte(src[RCOMP]); |
g = linear_float_to_srgb_ubyte(src[GCOMP]); |
b = linear_float_to_srgb_ubyte(src[BCOMP]); |
UNCLAMPED_FLOAT_TO_UBYTE(a, src[ACOMP]); |
*d = PACK_COLOR_8888(r, g, b, a); |
} |
|
|
/* MESA_FORMAT_SARGB8 */ |
|
static void |
pack_ubyte_SARGB8(const GLubyte src[4], void *dst) |
{ |
GLuint *d = ((GLuint *) dst); |
GLubyte r = linear_ubyte_to_srgb_ubyte(src[RCOMP]); |
GLubyte g = linear_ubyte_to_srgb_ubyte(src[RCOMP]); |
GLubyte b = linear_ubyte_to_srgb_ubyte(src[RCOMP]); |
*d = PACK_COLOR_8888(src[ACOMP], r, g, b); |
} |
|
static void |
pack_float_SARGB8(const GLfloat src[4], void *dst) |
{ |
GLuint *d = ((GLuint *) dst); |
GLubyte r, g, b, a; |
r = linear_float_to_srgb_ubyte(src[RCOMP]); |
g = linear_float_to_srgb_ubyte(src[GCOMP]); |
b = linear_float_to_srgb_ubyte(src[BCOMP]); |
UNCLAMPED_FLOAT_TO_UBYTE(a, src[ACOMP]); |
*d = PACK_COLOR_8888(a, r, g, b); |
} |
|
|
/* MESA_FORMAT_SL8 */ |
|
static void |
pack_ubyte_SL8(const GLubyte src[4], void *dst) |
{ |
GLubyte *d = ((GLubyte *) dst); |
*d = linear_ubyte_to_srgb_ubyte(src[RCOMP]); |
} |
|
static void |
pack_float_SL8(const GLfloat src[4], void *dst) |
{ |
GLubyte *d = ((GLubyte *) dst); |
GLubyte l = linear_float_to_srgb_ubyte(src[RCOMP]); |
*d = l; |
} |
|
|
/* MESA_FORMAT_SLA8 */ |
|
static void |
pack_ubyte_SLA8(const GLubyte src[4], void *dst) |
{ |
GLushort *d = ((GLushort *) dst); |
GLubyte l = linear_ubyte_to_srgb_ubyte(src[RCOMP]); |
*d = PACK_COLOR_88(src[ACOMP], l); |
} |
|
static void |
pack_float_SLA8(const GLfloat src[4], void *dst) |
{ |
GLushort *d = ((GLushort *) dst); |
GLubyte a, l = linear_float_to_srgb_ubyte(src[RCOMP]); |
CLAMPED_FLOAT_TO_UBYTE(a, src[ACOMP]); |
*d = PACK_COLOR_88(a, l); |
} |
|
|
/* MESA_FORMAT_RGBA_FLOAT32 */ |
|
static void |
pack_ubyte_RGBA_FLOAT32(const GLubyte src[4], void *dst) |
{ |
GLfloat *d = ((GLfloat *) dst); |
d[0] = UBYTE_TO_FLOAT(src[0]); |
d[1] = UBYTE_TO_FLOAT(src[1]); |
d[2] = UBYTE_TO_FLOAT(src[2]); |
d[3] = UBYTE_TO_FLOAT(src[3]); |
} |
|
static void |
pack_float_RGBA_FLOAT32(const GLfloat src[4], void *dst) |
{ |
GLfloat *d = ((GLfloat *) dst); |
d[0] = src[0]; |
d[1] = src[1]; |
d[2] = src[2]; |
d[3] = src[3]; |
} |
|
|
/* MESA_FORMAT_RGBA_FLOAT16 */ |
|
static void |
pack_ubyte_RGBA_FLOAT16(const GLubyte src[4], void *dst) |
{ |
GLhalfARB *d = ((GLhalfARB *) dst); |
d[0] = _mesa_float_to_half(UBYTE_TO_FLOAT(src[0])); |
d[1] = _mesa_float_to_half(UBYTE_TO_FLOAT(src[1])); |
d[2] = _mesa_float_to_half(UBYTE_TO_FLOAT(src[2])); |
d[3] = _mesa_float_to_half(UBYTE_TO_FLOAT(src[3])); |
} |
|
static void |
pack_float_RGBA_FLOAT16(const GLfloat src[4], void *dst) |
{ |
GLhalfARB *d = ((GLhalfARB *) dst); |
d[0] = _mesa_float_to_half(src[0]); |
d[1] = _mesa_float_to_half(src[1]); |
d[2] = _mesa_float_to_half(src[2]); |
d[3] = _mesa_float_to_half(src[3]); |
} |
|
|
/* MESA_FORMAT_RGB_FLOAT32 */ |
|
static void |
pack_ubyte_RGB_FLOAT32(const GLubyte src[4], void *dst) |
{ |
GLfloat *d = ((GLfloat *) dst); |
d[0] = UBYTE_TO_FLOAT(src[0]); |
d[1] = UBYTE_TO_FLOAT(src[1]); |
d[2] = UBYTE_TO_FLOAT(src[2]); |
} |
|
static void |
pack_float_RGB_FLOAT32(const GLfloat src[4], void *dst) |
{ |
GLfloat *d = ((GLfloat *) dst); |
d[0] = src[0]; |
d[1] = src[1]; |
d[2] = src[2]; |
} |
|
|
/* MESA_FORMAT_RGB_FLOAT16 */ |
|
static void |
pack_ubyte_RGB_FLOAT16(const GLubyte src[4], void *dst) |
{ |
GLhalfARB *d = ((GLhalfARB *) dst); |
d[0] = _mesa_float_to_half(UBYTE_TO_FLOAT(src[0])); |
d[1] = _mesa_float_to_half(UBYTE_TO_FLOAT(src[1])); |
d[2] = _mesa_float_to_half(UBYTE_TO_FLOAT(src[2])); |
} |
|
static void |
pack_float_RGB_FLOAT16(const GLfloat src[4], void *dst) |
{ |
GLhalfARB *d = ((GLhalfARB *) dst); |
d[0] = _mesa_float_to_half(src[0]); |
d[1] = _mesa_float_to_half(src[1]); |
d[2] = _mesa_float_to_half(src[2]); |
} |
|
|
/* MESA_FORMAT_ALPHA_FLOAT32 */ |
|
static void |
pack_ubyte_ALPHA_FLOAT32(const GLubyte src[4], void *dst) |
{ |
GLfloat *d = ((GLfloat *) dst); |
d[0] = UBYTE_TO_FLOAT(src[ACOMP]); |
} |
|
static void |
pack_float_ALPHA_FLOAT32(const GLfloat src[4], void *dst) |
{ |
GLfloat *d = ((GLfloat *) dst); |
d[0] = src[ACOMP]; |
} |
|
|
/* MESA_FORMAT_ALPHA_FLOAT16 */ |
|
static void |
pack_ubyte_ALPHA_FLOAT16(const GLubyte src[4], void *dst) |
{ |
GLhalfARB *d = ((GLhalfARB *) dst); |
d[0] = _mesa_float_to_half(UBYTE_TO_FLOAT(src[ACOMP])); |
} |
|
static void |
pack_float_ALPHA_FLOAT16(const GLfloat src[4], void *dst) |
{ |
GLhalfARB *d = ((GLhalfARB *) dst); |
d[0] = _mesa_float_to_half(src[ACOMP]); |
} |
|
|
/* MESA_FORMAT_LUMINANCE_FLOAT32 (and INTENSITY_FLOAT32, R_FLOAT32) */ |
|
static void |
pack_ubyte_LUMINANCE_FLOAT32(const GLubyte src[4], void *dst) |
{ |
GLfloat *d = ((GLfloat *) dst); |
d[0] = UBYTE_TO_FLOAT(src[RCOMP]); |
} |
|
static void |
pack_float_LUMINANCE_FLOAT32(const GLfloat src[4], void *dst) |
{ |
GLfloat *d = ((GLfloat *) dst); |
d[0] = src[RCOMP]; |
} |
|
|
/* MESA_FORMAT_LUMINANCE_FLOAT16 (and INTENSITY_FLOAT16, R_FLOAT32) */ |
|
static void |
pack_ubyte_LUMINANCE_FLOAT16(const GLubyte src[4], void *dst) |
{ |
GLhalfARB *d = ((GLhalfARB *) dst); |
d[0] = _mesa_float_to_half(UBYTE_TO_FLOAT(src[RCOMP])); |
} |
|
static void |
pack_float_LUMINANCE_FLOAT16(const GLfloat src[4], void *dst) |
{ |
GLhalfARB *d = ((GLhalfARB *) dst); |
d[0] = _mesa_float_to_half(src[RCOMP]); |
} |
|
|
/* MESA_FORMAT_LUMINANCE_ALPHA_FLOAT32 */ |
|
static void |
pack_ubyte_LUMINANCE_ALPHA_FLOAT32(const GLubyte src[4], void *dst) |
{ |
GLfloat *d = ((GLfloat *) dst); |
d[0] = UBYTE_TO_FLOAT(src[RCOMP]); |
d[1] = UBYTE_TO_FLOAT(src[ACOMP]); |
} |
|
static void |
pack_float_LUMINANCE_ALPHA_FLOAT32(const GLfloat src[4], void *dst) |
{ |
GLfloat *d = ((GLfloat *) dst); |
d[0] = src[RCOMP]; |
d[1] = src[ACOMP]; |
} |
|
|
/* MESA_FORMAT_LUMINANCE_ALPHA_FLOAT16 */ |
|
static void |
pack_ubyte_LUMINANCE_ALPHA_FLOAT16(const GLubyte src[4], void *dst) |
{ |
GLhalfARB *d = ((GLhalfARB *) dst); |
d[0] = _mesa_float_to_half(UBYTE_TO_FLOAT(src[RCOMP])); |
d[1] = _mesa_float_to_half(UBYTE_TO_FLOAT(src[ACOMP])); |
} |
|
static void |
pack_float_LUMINANCE_ALPHA_FLOAT16(const GLfloat src[4], void *dst) |
{ |
GLhalfARB *d = ((GLhalfARB *) dst); |
d[0] = _mesa_float_to_half(src[RCOMP]); |
d[1] = _mesa_float_to_half(src[ACOMP]); |
} |
|
|
/* MESA_FORMAT_RG_FLOAT32 */ |
|
static void |
pack_ubyte_RG_FLOAT32(const GLubyte src[4], void *dst) |
{ |
GLfloat *d = ((GLfloat *) dst); |
d[0] = UBYTE_TO_FLOAT(src[RCOMP]); |
d[1] = UBYTE_TO_FLOAT(src[GCOMP]); |
} |
|
static void |
pack_float_RG_FLOAT32(const GLfloat src[4], void *dst) |
{ |
GLfloat *d = ((GLfloat *) dst); |
d[0] = src[RCOMP]; |
d[1] = src[GCOMP]; |
} |
|
|
/* MESA_FORMAT_RG_FLOAT16 */ |
|
static void |
pack_ubyte_RG_FLOAT16(const GLubyte src[4], void *dst) |
{ |
GLhalfARB *d = ((GLhalfARB *) dst); |
d[0] = _mesa_float_to_half(UBYTE_TO_FLOAT(src[RCOMP])); |
d[1] = _mesa_float_to_half(UBYTE_TO_FLOAT(src[GCOMP])); |
} |
|
static void |
pack_float_RG_FLOAT16(const GLfloat src[4], void *dst) |
{ |
GLhalfARB *d = ((GLhalfARB *) dst); |
d[0] = _mesa_float_to_half(src[RCOMP]); |
d[1] = _mesa_float_to_half(src[GCOMP]); |
} |
|
|
/* MESA_FORMAT_DUDV8 */ |
|
static void |
pack_ubyte_DUDV8(const GLubyte src[4], void *dst) |
{ |
/* XXX is this ever used? */ |
GLushort *d = ((GLushort *) dst); |
*d = PACK_COLOR_88(src[0], src[1]); |
} |
|
static void |
pack_float_DUDV8(const GLfloat src[4], void *dst) |
{ |
GLushort *d = ((GLushort *) dst); |
GLbyte du, dv; |
du = FLOAT_TO_BYTE(CLAMP(src[0], 0.0F, 1.0F)); |
dv = FLOAT_TO_BYTE(CLAMP(src[1], 0.0F, 1.0F)); |
*d = PACK_COLOR_88(du, dv); |
} |
|
|
/* MESA_FORMAT_RGBA_16 */ |
|
static void |
pack_ubyte_RGBA_16(const GLubyte src[4], void *dst) |
{ |
GLushort *d = ((GLushort *) dst); |
d[0] = UBYTE_TO_USHORT(src[RCOMP]); |
d[1] = UBYTE_TO_USHORT(src[GCOMP]); |
d[2] = UBYTE_TO_USHORT(src[BCOMP]); |
d[3] = UBYTE_TO_USHORT(src[ACOMP]); |
} |
|
static void |
pack_float_RGBA_16(const GLfloat src[4], void *dst) |
{ |
GLushort *d = ((GLushort *) dst); |
UNCLAMPED_FLOAT_TO_USHORT(d[0], src[RCOMP]); |
UNCLAMPED_FLOAT_TO_USHORT(d[1], src[GCOMP]); |
UNCLAMPED_FLOAT_TO_USHORT(d[2], src[BCOMP]); |
UNCLAMPED_FLOAT_TO_USHORT(d[3], src[ACOMP]); |
} |
|
|
|
/* |
* MESA_FORMAT_SIGNED_R8 |
*/ |
|
static void |
pack_float_SIGNED_R8(const GLfloat src[4], void *dst) |
{ |
GLbyte *d = (GLbyte *) dst; |
*d = FLOAT_TO_BYTE(CLAMP(src[RCOMP], -1.0f, 1.0f)); |
} |
|
|
/* |
* MESA_FORMAT_SIGNED_RG88_REV |
*/ |
|
static void |
pack_float_SIGNED_RG88_REV(const GLfloat src[4], void *dst) |
{ |
GLushort *d = (GLushort *) dst; |
GLbyte r = FLOAT_TO_BYTE(CLAMP(src[RCOMP], -1.0f, 1.0f)); |
GLbyte g = FLOAT_TO_BYTE(CLAMP(src[GCOMP], -1.0f, 1.0f)); |
*d = (g << 8) | r; |
} |
|
|
/* |
* MESA_FORMAT_SIGNED_RGBX8888 |
*/ |
|
static void |
pack_float_SIGNED_RGBX8888(const GLfloat src[4], void *dst) |
{ |
GLuint *d = (GLuint *) dst; |
GLbyte r = FLOAT_TO_BYTE(CLAMP(src[RCOMP], -1.0f, 1.0f)); |
GLbyte g = FLOAT_TO_BYTE(CLAMP(src[GCOMP], -1.0f, 1.0f)); |
GLbyte b = FLOAT_TO_BYTE(CLAMP(src[BCOMP], -1.0f, 1.0f)); |
GLbyte a = 127; |
*d = PACK_COLOR_8888(r, g, b, a); |
} |
|
|
/* |
* MESA_FORMAT_SIGNED_RGBA8888 |
*/ |
|
static void |
pack_float_SIGNED_RGBA8888(const GLfloat src[4], void *dst) |
{ |
GLuint *d = (GLuint *) dst; |
GLbyte r = FLOAT_TO_BYTE(CLAMP(src[RCOMP], -1.0f, 1.0f)); |
GLbyte g = FLOAT_TO_BYTE(CLAMP(src[GCOMP], -1.0f, 1.0f)); |
GLbyte b = FLOAT_TO_BYTE(CLAMP(src[BCOMP], -1.0f, 1.0f)); |
GLbyte a = FLOAT_TO_BYTE(CLAMP(src[ACOMP], -1.0f, 1.0f)); |
*d = PACK_COLOR_8888(r, g, b, a); |
} |
|
|
/* |
* MESA_FORMAT_SIGNED_RGBA8888_REV |
*/ |
|
static void |
pack_float_SIGNED_RGBA8888_REV(const GLfloat src[4], void *dst) |
{ |
GLuint *d = (GLuint *) dst; |
GLbyte r = FLOAT_TO_BYTE(CLAMP(src[RCOMP], -1.0f, 1.0f)); |
GLbyte g = FLOAT_TO_BYTE(CLAMP(src[GCOMP], -1.0f, 1.0f)); |
GLbyte b = FLOAT_TO_BYTE(CLAMP(src[BCOMP], -1.0f, 1.0f)); |
GLbyte a = FLOAT_TO_BYTE(CLAMP(src[ACOMP], -1.0f, 1.0f)); |
*d = PACK_COLOR_8888(a, b, g, r); |
} |
|
|
/* |
* MESA_FORMAT_SIGNED_R16 |
*/ |
|
static void |
pack_float_SIGNED_R16(const GLfloat src[4], void *dst) |
{ |
GLshort *d = (GLshort *) dst; |
*d = FLOAT_TO_SHORT(CLAMP(src[RCOMP], -1.0f, 1.0f)); |
} |
|
|
/* |
* MESA_FORMAT_SIGNED_GR1616 |
*/ |
|
static void |
pack_float_SIGNED_GR1616(const GLfloat src[4], void *dst) |
{ |
GLuint *d = (GLuint *) dst; |
GLshort r = FLOAT_TO_SHORT(CLAMP(src[RCOMP], -1.0f, 1.0f)); |
GLshort g = FLOAT_TO_SHORT(CLAMP(src[GCOMP], -1.0f, 1.0f)); |
*d = (g << 16) | (r & 0xffff); |
} |
|
|
/* |
* MESA_FORMAT_SIGNED_RGB_16 |
*/ |
|
static void |
pack_float_SIGNED_RGB_16(const GLfloat src[4], void *dst) |
{ |
GLshort *d = (GLshort *) dst; |
d[0] = FLOAT_TO_SHORT(CLAMP(src[RCOMP], -1.0f, 1.0f)); |
d[1] = FLOAT_TO_SHORT(CLAMP(src[GCOMP], -1.0f, 1.0f)); |
d[2] = FLOAT_TO_SHORT(CLAMP(src[BCOMP], -1.0f, 1.0f)); |
} |
|
|
/* |
* MESA_FORMAT_SIGNED_RGBA_16 |
*/ |
|
static void |
pack_float_SIGNED_RGBA_16(const GLfloat src[4], void *dst) |
{ |
GLshort *d = (GLshort *) dst; |
d[0] = FLOAT_TO_SHORT(CLAMP(src[RCOMP], -1.0f, 1.0f)); |
d[1] = FLOAT_TO_SHORT(CLAMP(src[GCOMP], -1.0f, 1.0f)); |
d[2] = FLOAT_TO_SHORT(CLAMP(src[BCOMP], -1.0f, 1.0f)); |
d[3] = FLOAT_TO_SHORT(CLAMP(src[ACOMP], -1.0f, 1.0f)); |
} |
|
|
/* |
* MESA_FORMAT_SIGNED_A8 |
*/ |
|
static void |
pack_float_SIGNED_A8(const GLfloat src[4], void *dst) |
{ |
GLbyte *d = (GLbyte *) dst; |
*d = FLOAT_TO_BYTE(CLAMP(src[ACOMP], -1.0f, 1.0f)); |
} |
|
|
/* |
* MESA_FORMAT_SIGNED_L8 |
*/ |
|
static void |
pack_float_SIGNED_L8(const GLfloat src[4], void *dst) |
{ |
GLbyte *d = (GLbyte *) dst; |
*d = FLOAT_TO_BYTE(CLAMP(src[RCOMP], -1.0f, 1.0f)); |
} |
|
|
/* |
* MESA_FORMAT_SIGNED_AL88 |
*/ |
|
static void |
pack_float_SIGNED_AL88(const GLfloat src[4], void *dst) |
{ |
GLushort *d = (GLushort *) dst; |
GLbyte l = FLOAT_TO_BYTE(CLAMP(src[RCOMP], -1.0f, 1.0f)); |
GLbyte a = FLOAT_TO_BYTE(CLAMP(src[ACOMP], -1.0f, 1.0f)); |
*d = (a << 8) | l; |
} |
|
|
/* |
* MESA_FORMAT_SIGNED_A16 |
*/ |
|
static void |
pack_float_SIGNED_A16(const GLfloat src[4], void *dst) |
{ |
GLshort *d = (GLshort *) dst; |
*d = FLOAT_TO_SHORT(CLAMP(src[ACOMP], -1.0f, 1.0f)); |
} |
|
|
/* |
* MESA_FORMAT_SIGNED_L16 |
*/ |
|
static void |
pack_float_SIGNED_L16(const GLfloat src[4], void *dst) |
{ |
GLshort *d = (GLshort *) dst; |
*d = FLOAT_TO_SHORT(CLAMP(src[RCOMP], -1.0f, 1.0f)); |
} |
|
|
/* |
* MESA_FORMAT_SIGNED_AL1616 |
*/ |
|
static void |
pack_float_SIGNED_AL1616(const GLfloat src[4], void *dst) |
{ |
GLuint *d = (GLuint *) dst; |
GLshort l = FLOAT_TO_SHORT(CLAMP(src[RCOMP], -1.0f, 1.0f)); |
GLshort a = FLOAT_TO_SHORT(CLAMP(src[ACOMP], -1.0f, 1.0f)); |
*d = PACK_COLOR_1616(a, l); |
} |
|
|
/* |
* MESA_FORMAT_RGB9_E5_FLOAT; |
*/ |
|
static void |
pack_float_RGB9_E5_FLOAT(const GLfloat src[4], void *dst) |
{ |
GLuint *d = (GLuint *) dst; |
*d = float3_to_rgb9e5(src); |
} |
|
static void |
pack_ubyte_RGB9_E5_FLOAT(const GLubyte src[4], void *dst) |
{ |
GLuint *d = (GLuint *) dst; |
GLfloat rgb[3]; |
rgb[0] = UBYTE_TO_FLOAT(src[RCOMP]); |
rgb[1] = UBYTE_TO_FLOAT(src[GCOMP]); |
rgb[2] = UBYTE_TO_FLOAT(src[BCOMP]); |
*d = float3_to_rgb9e5(rgb); |
} |
|
|
|
/* |
* MESA_FORMAT_R11_G11_B10_FLOAT; |
*/ |
|
static void |
pack_ubyte_R11_G11_B10_FLOAT(const GLubyte src[4], void *dst) |
{ |
GLuint *d = (GLuint *) dst; |
GLfloat rgb[3]; |
rgb[0] = UBYTE_TO_FLOAT(src[RCOMP]); |
rgb[1] = UBYTE_TO_FLOAT(src[GCOMP]); |
rgb[2] = UBYTE_TO_FLOAT(src[BCOMP]); |
*d = float3_to_r11g11b10f(rgb); |
} |
|
static void |
pack_float_R11_G11_B10_FLOAT(const GLfloat src[4], void *dst) |
{ |
GLuint *d = (GLuint *) dst; |
*d = float3_to_r11g11b10f(src); |
} |
|
|
/* |
* MESA_FORMAT_XRGB4444_UNORM |
*/ |
|
static void |
pack_ubyte_XRGB4444_UNORM(const GLubyte src[4], void *dst) |
{ |
GLushort *d = ((GLushort *) dst); |
*d = PACK_COLOR_4444(255, src[RCOMP], src[GCOMP], src[BCOMP]); |
} |
|
static void |
pack_float_XRGB4444_UNORM(const GLfloat src[4], void *dst) |
{ |
GLubyte v[4]; |
_mesa_unclamped_float_rgba_to_ubyte(v, src); |
pack_ubyte_XRGB4444_UNORM(v, dst); |
} |
|
|
/* |
* MESA_FORMAT_XRGB1555_UNORM |
*/ |
|
static void |
pack_ubyte_XRGB1555_UNORM(const GLubyte src[4], void *dst) |
{ |
GLushort *d = ((GLushort *) dst); |
*d = PACK_COLOR_1555(255, src[RCOMP], src[GCOMP], src[BCOMP]); |
} |
|
static void |
pack_float_XRGB1555_UNORM(const GLfloat src[4], void *dst) |
{ |
GLubyte v[4]; |
_mesa_unclamped_float_rgba_to_ubyte(v, src); |
pack_ubyte_XRGB1555_UNORM(v, dst); |
} |
|
|
/* |
* MESA_FORMAT_XBGR8888_SNORM |
*/ |
|
static void |
pack_float_XBGR8888_SNORM(const GLfloat src[4], void *dst) |
{ |
GLuint *d = (GLuint *) dst; |
GLbyte r = FLOAT_TO_BYTE(CLAMP(src[RCOMP], -1.0f, 1.0f)); |
GLbyte g = FLOAT_TO_BYTE(CLAMP(src[GCOMP], -1.0f, 1.0f)); |
GLbyte b = FLOAT_TO_BYTE(CLAMP(src[BCOMP], -1.0f, 1.0f)); |
*d = PACK_COLOR_8888(127, b, g, r); |
} |
|
|
/* |
* MESA_FORMAT_XBGR8888_SRGB |
*/ |
|
static void |
pack_float_XBGR8888_SRGB(const GLfloat src[4], void *dst) |
{ |
GLuint *d = (GLuint *) dst; |
GLubyte r = linear_float_to_srgb_ubyte(src[RCOMP]); |
GLubyte g = linear_float_to_srgb_ubyte(src[GCOMP]); |
GLubyte b = linear_float_to_srgb_ubyte(src[BCOMP]); |
*d = PACK_COLOR_8888(127, b, g, r); |
} |
|
|
/* MESA_FORMAT_XRGB2101010_UNORM */ |
|
static void |
pack_ubyte_XRGB2101010_UNORM(const GLubyte src[4], void *dst) |
{ |
GLuint *d = ((GLuint *) dst); |
GLushort r = UBYTE_TO_USHORT(src[RCOMP]); |
GLushort g = UBYTE_TO_USHORT(src[GCOMP]); |
GLushort b = UBYTE_TO_USHORT(src[BCOMP]); |
*d = PACK_COLOR_2101010_US(3, r, g, b); |
} |
|
static void |
pack_float_XRGB2101010_UNORM(const GLfloat src[4], void *dst) |
{ |
GLuint *d = ((GLuint *) dst); |
GLushort r, g, b; |
UNCLAMPED_FLOAT_TO_USHORT(r, src[RCOMP]); |
UNCLAMPED_FLOAT_TO_USHORT(g, src[GCOMP]); |
UNCLAMPED_FLOAT_TO_USHORT(b, src[BCOMP]); |
*d = PACK_COLOR_2101010_US(3, r, g, b); |
} |
|
|
/* MESA_FORMAT_XBGR16161616_UNORM */ |
|
static void |
pack_ubyte_XBGR16161616_UNORM(const GLubyte src[4], void *dst) |
{ |
GLushort *d = ((GLushort *) dst); |
d[0] = UBYTE_TO_USHORT(src[RCOMP]); |
d[1] = UBYTE_TO_USHORT(src[GCOMP]); |
d[2] = UBYTE_TO_USHORT(src[BCOMP]); |
d[3] = 65535; |
} |
|
static void |
pack_float_XBGR16161616_UNORM(const GLfloat src[4], void *dst) |
{ |
GLushort *d = ((GLushort *) dst); |
UNCLAMPED_FLOAT_TO_USHORT(d[0], src[RCOMP]); |
UNCLAMPED_FLOAT_TO_USHORT(d[1], src[GCOMP]); |
UNCLAMPED_FLOAT_TO_USHORT(d[2], src[BCOMP]); |
d[3] = 65535; |
} |
|
|
/* MESA_FORMAT_XBGR16161616_SNORM */ |
|
static void |
pack_float_XBGR16161616_SNORM(const GLfloat src[4], void *dst) |
{ |
GLushort *d = ((GLushort *) dst); |
UNCLAMPED_FLOAT_TO_SHORT(d[0], src[RCOMP]); |
UNCLAMPED_FLOAT_TO_SHORT(d[1], src[GCOMP]); |
UNCLAMPED_FLOAT_TO_SHORT(d[2], src[BCOMP]); |
d[3] = 32767; |
} |
|
|
/* MESA_FORMAT_XBGR16161616_FLOAT */ |
|
static void |
pack_float_XBGR16161616_FLOAT(const GLfloat src[4], void *dst) |
{ |
GLushort *d = ((GLushort *) dst); |
d[0] = _mesa_float_to_half(src[RCOMP]); |
d[1] = _mesa_float_to_half(src[GCOMP]); |
d[2] = _mesa_float_to_half(src[BCOMP]); |
d[3] = _mesa_float_to_half(1.0); |
} |
|
/* MESA_FORMAT_XBGR32323232_FLOAT */ |
|
static void |
pack_float_XBGR32323232_FLOAT(const GLfloat src[4], void *dst) |
{ |
GLfloat *d = ((GLfloat *) dst); |
d[0] = src[RCOMP]; |
d[1] = src[GCOMP]; |
d[2] = src[BCOMP]; |
d[3] = 1.0; |
} |
|
|
/** |
* Return a function that can pack a GLubyte rgba[4] color. |
*/ |
gl_pack_ubyte_rgba_func |
_mesa_get_pack_ubyte_rgba_function(gl_format format) |
{ |
static gl_pack_ubyte_rgba_func table[MESA_FORMAT_COUNT]; |
static GLboolean initialized = GL_FALSE; |
|
if (!initialized) { |
memset(table, 0, sizeof(table)); |
|
table[MESA_FORMAT_NONE] = NULL; |
|
table[MESA_FORMAT_RGBA8888] = pack_ubyte_RGBA8888; |
table[MESA_FORMAT_RGBA8888_REV] = pack_ubyte_RGBA8888_REV; |
table[MESA_FORMAT_ARGB8888] = pack_ubyte_ARGB8888; |
table[MESA_FORMAT_ARGB8888_REV] = pack_ubyte_ARGB8888_REV; |
table[MESA_FORMAT_RGBX8888] = pack_ubyte_RGBA8888; /* reused */ |
table[MESA_FORMAT_RGBX8888_REV] = pack_ubyte_RGBA8888_REV; /* reused */ |
table[MESA_FORMAT_XRGB8888] = pack_ubyte_XRGB8888; |
table[MESA_FORMAT_XRGB8888_REV] = pack_ubyte_XRGB8888_REV; |
table[MESA_FORMAT_RGB888] = pack_ubyte_RGB888; |
table[MESA_FORMAT_BGR888] = pack_ubyte_BGR888; |
table[MESA_FORMAT_RGB565] = pack_ubyte_RGB565; |
table[MESA_FORMAT_RGB565_REV] = pack_ubyte_RGB565_REV; |
table[MESA_FORMAT_ARGB4444] = pack_ubyte_ARGB4444; |
table[MESA_FORMAT_ARGB4444_REV] = pack_ubyte_ARGB4444_REV; |
table[MESA_FORMAT_RGBA5551] = pack_ubyte_RGBA5551; |
table[MESA_FORMAT_ARGB1555] = pack_ubyte_ARGB1555; |
table[MESA_FORMAT_ARGB1555_REV] = pack_ubyte_ARGB1555_REV; |
table[MESA_FORMAT_AL44] = pack_ubyte_AL44; |
table[MESA_FORMAT_AL88] = pack_ubyte_AL88; |
table[MESA_FORMAT_AL88_REV] = pack_ubyte_AL88_REV; |
table[MESA_FORMAT_AL1616] = pack_ubyte_AL1616; |
table[MESA_FORMAT_AL1616_REV] = pack_ubyte_AL1616_REV; |
table[MESA_FORMAT_RGB332] = pack_ubyte_RGB332; |
table[MESA_FORMAT_A8] = pack_ubyte_A8; |
table[MESA_FORMAT_A16] = pack_ubyte_A16; |
table[MESA_FORMAT_L8] = pack_ubyte_L8; |
table[MESA_FORMAT_L16] = pack_ubyte_L16; |
table[MESA_FORMAT_I8] = pack_ubyte_L8; /* reuse pack_ubyte_L8 */ |
table[MESA_FORMAT_I16] = pack_ubyte_L16; /* reuse pack_ubyte_L16 */ |
table[MESA_FORMAT_YCBCR] = pack_ubyte_YCBCR; |
table[MESA_FORMAT_YCBCR_REV] = pack_ubyte_YCBCR_REV; |
table[MESA_FORMAT_R8] = pack_ubyte_R8; |
table[MESA_FORMAT_GR88] = pack_ubyte_GR88; |
table[MESA_FORMAT_RG88] = pack_ubyte_RG88; |
table[MESA_FORMAT_R16] = pack_ubyte_R16; |
table[MESA_FORMAT_GR1616] = pack_ubyte_GR1616; |
table[MESA_FORMAT_RG1616] = pack_ubyte_RG1616; |
table[MESA_FORMAT_ARGB2101010] = pack_ubyte_ARGB2101010; |
table[MESA_FORMAT_ABGR2101010_UINT] = pack_ubyte_ABGR2101010_UINT; |
|
/* should never convert RGBA to these formats */ |
table[MESA_FORMAT_Z24_S8] = NULL; |
table[MESA_FORMAT_S8_Z24] = NULL; |
table[MESA_FORMAT_Z16] = NULL; |
table[MESA_FORMAT_X8_Z24] = NULL; |
table[MESA_FORMAT_Z24_X8] = NULL; |
table[MESA_FORMAT_Z32] = NULL; |
table[MESA_FORMAT_S8] = NULL; |
|
/* sRGB */ |
table[MESA_FORMAT_SRGB8] = pack_ubyte_SRGB8; |
table[MESA_FORMAT_SRGBA8] = pack_ubyte_SRGBA8; |
table[MESA_FORMAT_SARGB8] = pack_ubyte_SARGB8; |
table[MESA_FORMAT_SL8] = pack_ubyte_SL8; |
table[MESA_FORMAT_SLA8] = pack_ubyte_SLA8; |
|
/* n/a */ |
table[MESA_FORMAT_SRGB_DXT1] = NULL; /* pack_ubyte_SRGB_DXT1; */ |
table[MESA_FORMAT_SRGBA_DXT1] = NULL; /* pack_ubyte_SRGBA_DXT1; */ |
table[MESA_FORMAT_SRGBA_DXT3] = NULL; /* pack_ubyte_SRGBA_DXT3; */ |
table[MESA_FORMAT_SRGBA_DXT5] = NULL; /* pack_ubyte_SRGBA_DXT5; */ |
|
table[MESA_FORMAT_RGB_FXT1] = NULL; /* pack_ubyte_RGB_FXT1; */ |
table[MESA_FORMAT_RGBA_FXT1] = NULL; /* pack_ubyte_RGBA_FXT1; */ |
table[MESA_FORMAT_RGB_DXT1] = NULL; /* pack_ubyte_RGB_DXT1; */ |
table[MESA_FORMAT_RGBA_DXT1] = NULL; /* pack_ubyte_RGBA_DXT1; */ |
table[MESA_FORMAT_RGBA_DXT3] = NULL; /* pack_ubyte_RGBA_DXT3; */ |
table[MESA_FORMAT_RGBA_DXT5] = NULL; /* pack_ubyte_RGBA_DXT5; */ |
|
table[MESA_FORMAT_RGBA_FLOAT32] = pack_ubyte_RGBA_FLOAT32; |
table[MESA_FORMAT_RGBA_FLOAT16] = pack_ubyte_RGBA_FLOAT16; |
table[MESA_FORMAT_RGB_FLOAT32] = pack_ubyte_RGB_FLOAT32; |
table[MESA_FORMAT_RGB_FLOAT16] = pack_ubyte_RGB_FLOAT16; |
table[MESA_FORMAT_ALPHA_FLOAT32] = pack_ubyte_ALPHA_FLOAT32; |
table[MESA_FORMAT_ALPHA_FLOAT16] = pack_ubyte_ALPHA_FLOAT16; |
table[MESA_FORMAT_LUMINANCE_FLOAT32] = pack_ubyte_LUMINANCE_FLOAT32; |
table[MESA_FORMAT_LUMINANCE_FLOAT16] = pack_ubyte_LUMINANCE_FLOAT16; |
table[MESA_FORMAT_LUMINANCE_ALPHA_FLOAT32] = pack_ubyte_LUMINANCE_ALPHA_FLOAT32; |
table[MESA_FORMAT_LUMINANCE_ALPHA_FLOAT16] = pack_ubyte_LUMINANCE_ALPHA_FLOAT16; |
table[MESA_FORMAT_INTENSITY_FLOAT32] = pack_ubyte_LUMINANCE_FLOAT32; |
table[MESA_FORMAT_INTENSITY_FLOAT16] = pack_ubyte_LUMINANCE_FLOAT16; |
table[MESA_FORMAT_R_FLOAT32] = pack_ubyte_LUMINANCE_FLOAT32; |
table[MESA_FORMAT_R_FLOAT16] = pack_ubyte_LUMINANCE_FLOAT16; |
table[MESA_FORMAT_RG_FLOAT32] = pack_ubyte_RG_FLOAT32; |
table[MESA_FORMAT_RG_FLOAT16] = pack_ubyte_RG_FLOAT16; |
|
/* n/a */ |
table[MESA_FORMAT_RGBA_INT8] = NULL; /* pack_ubyte_RGBA_INT8 */ |
table[MESA_FORMAT_RGBA_INT16] = NULL; /* pack_ubyte_RGBA_INT16 */ |
table[MESA_FORMAT_RGBA_INT32] = NULL; /* pack_ubyte_RGBA_INT32 */ |
table[MESA_FORMAT_RGBA_UINT8] = NULL; /* pack_ubyte_RGBA_UINT8 */ |
table[MESA_FORMAT_RGBA_UINT16] = NULL; /* pack_ubyte_RGBA_UINT16 */ |
table[MESA_FORMAT_RGBA_UINT32] = NULL; /* pack_ubyte_RGBA_UINT32 */ |
|
table[MESA_FORMAT_DUDV8] = pack_ubyte_DUDV8; |
|
table[MESA_FORMAT_RGBA_16] = pack_ubyte_RGBA_16; |
|
/* n/a */ |
table[MESA_FORMAT_SIGNED_R8] = NULL; |
table[MESA_FORMAT_SIGNED_RG88_REV] = NULL; |
table[MESA_FORMAT_SIGNED_RGBX8888] = NULL; |
table[MESA_FORMAT_SIGNED_RGBA8888] = NULL; |
table[MESA_FORMAT_SIGNED_RGBA8888_REV] = NULL; |
table[MESA_FORMAT_SIGNED_R16] = NULL; |
table[MESA_FORMAT_SIGNED_GR1616] = NULL; |
table[MESA_FORMAT_SIGNED_RGB_16] = NULL; |
table[MESA_FORMAT_SIGNED_RGBA_16] = NULL; |
table[MESA_FORMAT_SIGNED_A8] = NULL; |
table[MESA_FORMAT_SIGNED_L8] = NULL; |
table[MESA_FORMAT_SIGNED_AL88] = NULL; |
table[MESA_FORMAT_SIGNED_I8] = NULL; |
table[MESA_FORMAT_SIGNED_A16] = NULL; |
table[MESA_FORMAT_SIGNED_L16] = NULL; |
table[MESA_FORMAT_SIGNED_AL1616] = NULL; |
table[MESA_FORMAT_SIGNED_I16] = NULL; |
|
|
table[MESA_FORMAT_RGBA_16] = pack_ubyte_RGBA_16; |
|
table[MESA_FORMAT_RGB9_E5_FLOAT] = pack_ubyte_RGB9_E5_FLOAT; |
table[MESA_FORMAT_R11_G11_B10_FLOAT] = pack_ubyte_R11_G11_B10_FLOAT; |
|
table[MESA_FORMAT_XRGB4444_UNORM] = pack_ubyte_XRGB4444_UNORM; |
table[MESA_FORMAT_XRGB1555_UNORM] = pack_ubyte_XRGB1555_UNORM; |
table[MESA_FORMAT_XBGR8888_SNORM] = NULL; |
table[MESA_FORMAT_XBGR8888_SRGB] = NULL; |
table[MESA_FORMAT_XBGR8888_UINT] = NULL; |
table[MESA_FORMAT_XBGR8888_SINT] = NULL; |
table[MESA_FORMAT_XRGB2101010_UNORM] = pack_ubyte_XRGB2101010_UNORM; |
table[MESA_FORMAT_XBGR16161616_UNORM] = pack_ubyte_XBGR16161616_UNORM; |
table[MESA_FORMAT_XBGR16161616_SNORM] = NULL; |
table[MESA_FORMAT_XBGR16161616_FLOAT] = NULL; |
table[MESA_FORMAT_XBGR16161616_UINT] = NULL; |
table[MESA_FORMAT_XBGR16161616_SINT] = NULL; |
table[MESA_FORMAT_XBGR32323232_FLOAT] = NULL; |
table[MESA_FORMAT_XBGR32323232_UINT] = NULL; |
table[MESA_FORMAT_XBGR32323232_SINT] = NULL; |
|
initialized = GL_TRUE; |
} |
|
return table[format]; |
} |
|
|
|
/** |
* Return a function that can pack a GLfloat rgba[4] color. |
*/ |
gl_pack_float_rgba_func |
_mesa_get_pack_float_rgba_function(gl_format format) |
{ |
static gl_pack_float_rgba_func table[MESA_FORMAT_COUNT]; |
static GLboolean initialized = GL_FALSE; |
|
if (!initialized) { |
memset(table, 0, sizeof(table)); |
|
table[MESA_FORMAT_NONE] = NULL; |
|
table[MESA_FORMAT_RGBA8888] = pack_float_RGBA8888; |
table[MESA_FORMAT_RGBA8888_REV] = pack_float_RGBA8888_REV; |
table[MESA_FORMAT_ARGB8888] = pack_float_ARGB8888; |
table[MESA_FORMAT_ARGB8888_REV] = pack_float_ARGB8888_REV; |
table[MESA_FORMAT_RGBX8888] = pack_float_RGBA8888; /* reused */ |
table[MESA_FORMAT_RGBX8888_REV] = pack_float_RGBA8888_REV; /* reused */ |
table[MESA_FORMAT_XRGB8888] = pack_float_XRGB8888; |
table[MESA_FORMAT_XRGB8888_REV] = pack_float_XRGB8888_REV; |
table[MESA_FORMAT_RGB888] = pack_float_RGB888; |
table[MESA_FORMAT_BGR888] = pack_float_BGR888; |
table[MESA_FORMAT_RGB565] = pack_float_RGB565; |
table[MESA_FORMAT_RGB565_REV] = pack_float_RGB565_REV; |
table[MESA_FORMAT_ARGB4444] = pack_float_ARGB4444; |
table[MESA_FORMAT_ARGB4444_REV] = pack_float_ARGB4444_REV; |
table[MESA_FORMAT_RGBA5551] = pack_float_RGBA5551; |
table[MESA_FORMAT_ARGB1555] = pack_float_ARGB1555; |
table[MESA_FORMAT_ARGB1555_REV] = pack_float_ARGB1555_REV; |
|
table[MESA_FORMAT_AL44] = pack_float_AL44; |
table[MESA_FORMAT_AL88] = pack_float_AL88; |
table[MESA_FORMAT_AL88_REV] = pack_float_AL88_REV; |
table[MESA_FORMAT_AL1616] = pack_float_AL1616; |
table[MESA_FORMAT_AL1616_REV] = pack_float_AL1616_REV; |
table[MESA_FORMAT_RGB332] = pack_float_RGB332; |
table[MESA_FORMAT_A8] = pack_float_A8; |
table[MESA_FORMAT_A16] = pack_float_A16; |
table[MESA_FORMAT_L8] = pack_float_L8; |
table[MESA_FORMAT_L16] = pack_float_L16; |
table[MESA_FORMAT_I8] = pack_float_L8; /* reuse pack_float_L8 */ |
table[MESA_FORMAT_I16] = pack_float_L16; /* reuse pack_float_L16 */ |
table[MESA_FORMAT_YCBCR] = pack_float_YCBCR; |
table[MESA_FORMAT_YCBCR_REV] = pack_float_YCBCR_REV; |
table[MESA_FORMAT_R8] = pack_float_R8; |
table[MESA_FORMAT_GR88] = pack_float_GR88; |
table[MESA_FORMAT_RG88] = pack_float_RG88; |
table[MESA_FORMAT_R16] = pack_float_R16; |
table[MESA_FORMAT_GR1616] = pack_float_GR1616; |
table[MESA_FORMAT_RG1616] = pack_float_RG1616; |
table[MESA_FORMAT_ARGB2101010] = pack_float_ARGB2101010; |
table[MESA_FORMAT_ABGR2101010_UINT] = pack_float_ABGR2101010_UINT; |
|
/* should never convert RGBA to these formats */ |
table[MESA_FORMAT_Z24_S8] = NULL; |
table[MESA_FORMAT_S8_Z24] = NULL; |
table[MESA_FORMAT_Z16] = NULL; |
table[MESA_FORMAT_X8_Z24] = NULL; |
table[MESA_FORMAT_Z24_X8] = NULL; |
table[MESA_FORMAT_Z32] = NULL; |
table[MESA_FORMAT_S8] = NULL; |
|
table[MESA_FORMAT_SRGB8] = pack_float_SRGB8; |
table[MESA_FORMAT_SRGBA8] = pack_float_SRGBA8; |
table[MESA_FORMAT_SARGB8] = pack_float_SARGB8; |
table[MESA_FORMAT_SL8] = pack_float_SL8; |
table[MESA_FORMAT_SLA8] = pack_float_SLA8; |
|
/* n/a */ |
table[MESA_FORMAT_SRGB_DXT1] = NULL; |
table[MESA_FORMAT_SRGBA_DXT1] = NULL; |
table[MESA_FORMAT_SRGBA_DXT3] = NULL; |
table[MESA_FORMAT_SRGBA_DXT5] = NULL; |
|
table[MESA_FORMAT_RGB_FXT1] = NULL; |
table[MESA_FORMAT_RGBA_FXT1] = NULL; |
table[MESA_FORMAT_RGB_DXT1] = NULL; |
table[MESA_FORMAT_RGBA_DXT1] = NULL; |
table[MESA_FORMAT_RGBA_DXT3] = NULL; |
table[MESA_FORMAT_RGBA_DXT5] = NULL; |
|
table[MESA_FORMAT_RGBA_FLOAT32] = pack_float_RGBA_FLOAT32; |
table[MESA_FORMAT_RGBA_FLOAT16] = pack_float_RGBA_FLOAT16; |
table[MESA_FORMAT_RGB_FLOAT32] = pack_float_RGB_FLOAT32; |
table[MESA_FORMAT_RGB_FLOAT16] = pack_float_RGB_FLOAT16; |
table[MESA_FORMAT_ALPHA_FLOAT32] = pack_float_ALPHA_FLOAT32; |
table[MESA_FORMAT_ALPHA_FLOAT16] = pack_float_ALPHA_FLOAT16; |
table[MESA_FORMAT_LUMINANCE_FLOAT32] = pack_float_LUMINANCE_FLOAT32; |
table[MESA_FORMAT_LUMINANCE_FLOAT16] = pack_float_LUMINANCE_FLOAT16; |
table[MESA_FORMAT_LUMINANCE_ALPHA_FLOAT32] = pack_float_LUMINANCE_ALPHA_FLOAT32; |
table[MESA_FORMAT_LUMINANCE_ALPHA_FLOAT16] = pack_float_LUMINANCE_ALPHA_FLOAT16; |
|
table[MESA_FORMAT_INTENSITY_FLOAT32] = pack_float_LUMINANCE_FLOAT32; |
table[MESA_FORMAT_INTENSITY_FLOAT16] = pack_float_LUMINANCE_FLOAT16; |
table[MESA_FORMAT_R_FLOAT32] = pack_float_LUMINANCE_FLOAT32; |
table[MESA_FORMAT_R_FLOAT16] = pack_float_LUMINANCE_FLOAT16; |
table[MESA_FORMAT_RG_FLOAT32] = pack_float_RG_FLOAT32; |
table[MESA_FORMAT_RG_FLOAT16] = pack_float_RG_FLOAT16; |
|
/* n/a */ |
table[MESA_FORMAT_RGBA_INT8] = NULL; |
table[MESA_FORMAT_RGBA_INT16] = NULL; |
table[MESA_FORMAT_RGBA_INT32] = NULL; |
table[MESA_FORMAT_RGBA_UINT8] = NULL; |
table[MESA_FORMAT_RGBA_UINT16] = NULL; |
table[MESA_FORMAT_RGBA_UINT32] = NULL; |
|
table[MESA_FORMAT_DUDV8] = pack_float_DUDV8; |
|
table[MESA_FORMAT_RGBA_16] = pack_float_RGBA_16; |
|
table[MESA_FORMAT_SIGNED_R8] = pack_float_SIGNED_R8; |
table[MESA_FORMAT_SIGNED_RG88_REV] = pack_float_SIGNED_RG88_REV; |
table[MESA_FORMAT_SIGNED_RGBX8888] = pack_float_SIGNED_RGBX8888; |
table[MESA_FORMAT_SIGNED_RGBA8888] = pack_float_SIGNED_RGBA8888; |
table[MESA_FORMAT_SIGNED_RGBA8888_REV] = pack_float_SIGNED_RGBA8888_REV; |
table[MESA_FORMAT_SIGNED_R16] = pack_float_SIGNED_R16; |
table[MESA_FORMAT_SIGNED_GR1616] = pack_float_SIGNED_GR1616; |
table[MESA_FORMAT_SIGNED_RGB_16] = pack_float_SIGNED_RGB_16; |
table[MESA_FORMAT_SIGNED_RGBA_16] = pack_float_SIGNED_RGBA_16; |
table[MESA_FORMAT_SIGNED_A8] = pack_float_SIGNED_A8; |
table[MESA_FORMAT_SIGNED_L8] = pack_float_SIGNED_L8; |
table[MESA_FORMAT_SIGNED_AL88] = pack_float_SIGNED_AL88; |
table[MESA_FORMAT_SIGNED_I8] = pack_float_SIGNED_L8; /* reused */ |
table[MESA_FORMAT_SIGNED_A16] = pack_float_SIGNED_A16; |
table[MESA_FORMAT_SIGNED_L16] = pack_float_SIGNED_L16; |
table[MESA_FORMAT_SIGNED_AL1616] = pack_float_SIGNED_AL1616; |
table[MESA_FORMAT_SIGNED_I16] = pack_float_SIGNED_L16; /* reused */ |
|
table[MESA_FORMAT_RGB9_E5_FLOAT] = pack_float_RGB9_E5_FLOAT; |
table[MESA_FORMAT_R11_G11_B10_FLOAT] = pack_float_R11_G11_B10_FLOAT; |
|
table[MESA_FORMAT_XRGB4444_UNORM] = pack_float_XRGB4444_UNORM; |
table[MESA_FORMAT_XRGB1555_UNORM] = pack_float_XRGB1555_UNORM; |
table[MESA_FORMAT_XBGR8888_SNORM] = pack_float_XBGR8888_SNORM; |
table[MESA_FORMAT_XBGR8888_SRGB] = pack_float_XBGR8888_SRGB; |
table[MESA_FORMAT_XBGR8888_UINT] = NULL; |
table[MESA_FORMAT_XBGR8888_SINT] = NULL; |
table[MESA_FORMAT_XRGB2101010_UNORM] = pack_float_XRGB2101010_UNORM; |
table[MESA_FORMAT_XBGR16161616_UNORM] = pack_float_XBGR16161616_UNORM; |
table[MESA_FORMAT_XBGR16161616_SNORM] = pack_float_XBGR16161616_SNORM; |
table[MESA_FORMAT_XBGR16161616_FLOAT] = pack_float_XBGR16161616_FLOAT; |
table[MESA_FORMAT_XBGR16161616_UINT] = NULL; |
table[MESA_FORMAT_XBGR16161616_SINT] = NULL; |
table[MESA_FORMAT_XBGR32323232_FLOAT] = pack_float_XBGR32323232_FLOAT; |
table[MESA_FORMAT_XBGR32323232_UINT] = NULL; |
table[MESA_FORMAT_XBGR32323232_SINT] = NULL; |
|
initialized = GL_TRUE; |
} |
|
return table[format]; |
} |
|
|
|
static pack_float_rgba_row_func |
get_pack_float_rgba_row_function(gl_format format) |
{ |
static pack_float_rgba_row_func table[MESA_FORMAT_COUNT]; |
static GLboolean initialized = GL_FALSE; |
|
if (!initialized) { |
/* We don't need a special row packing function for each format. |
* There's a generic fallback which uses a per-pixel packing function. |
*/ |
memset(table, 0, sizeof(table)); |
|
table[MESA_FORMAT_RGBA8888] = pack_row_float_RGBA8888; |
table[MESA_FORMAT_RGBA8888_REV] = pack_row_float_RGBA8888_REV; |
table[MESA_FORMAT_ARGB8888] = pack_row_float_ARGB8888; |
table[MESA_FORMAT_ARGB8888_REV] = pack_row_float_ARGB8888_REV; |
table[MESA_FORMAT_RGBX8888] = pack_row_float_RGBA8888; /* reused */ |
table[MESA_FORMAT_RGBX8888_REV] = pack_row_float_RGBA8888_REV; /* reused */ |
table[MESA_FORMAT_XRGB8888] = pack_row_float_XRGB8888; |
table[MESA_FORMAT_XRGB8888_REV] = pack_row_float_XRGB8888_REV; |
table[MESA_FORMAT_RGB888] = pack_row_float_RGB888; |
table[MESA_FORMAT_BGR888] = pack_row_float_BGR888; |
table[MESA_FORMAT_RGB565] = pack_row_float_RGB565; |
table[MESA_FORMAT_RGB565_REV] = pack_row_float_RGB565_REV; |
|
initialized = GL_TRUE; |
} |
|
return table[format]; |
} |
|
|
|
static pack_ubyte_rgba_row_func |
get_pack_ubyte_rgba_row_function(gl_format format) |
{ |
static pack_ubyte_rgba_row_func table[MESA_FORMAT_COUNT]; |
static GLboolean initialized = GL_FALSE; |
|
if (!initialized) { |
/* We don't need a special row packing function for each format. |
* There's a generic fallback which uses a per-pixel packing function. |
*/ |
memset(table, 0, sizeof(table)); |
|
table[MESA_FORMAT_RGBA8888] = pack_row_ubyte_RGBA8888; |
table[MESA_FORMAT_RGBA8888_REV] = pack_row_ubyte_RGBA8888_REV; |
table[MESA_FORMAT_ARGB8888] = pack_row_ubyte_ARGB8888; |
table[MESA_FORMAT_ARGB8888_REV] = pack_row_ubyte_ARGB8888_REV; |
table[MESA_FORMAT_RGBX8888] = pack_row_ubyte_RGBA8888; /* reused */ |
table[MESA_FORMAT_RGBX8888_REV] = pack_row_ubyte_RGBA8888_REV; /* reused */ |
table[MESA_FORMAT_XRGB8888] = pack_row_ubyte_XRGB8888; |
table[MESA_FORMAT_XRGB8888_REV] = pack_row_ubyte_XRGB8888_REV; |
table[MESA_FORMAT_RGB888] = pack_row_ubyte_RGB888; |
table[MESA_FORMAT_BGR888] = pack_row_ubyte_BGR888; |
table[MESA_FORMAT_RGB565] = pack_row_ubyte_RGB565; |
table[MESA_FORMAT_RGB565_REV] = pack_row_ubyte_RGB565_REV; |
|
initialized = GL_TRUE; |
} |
|
return table[format]; |
} |
|
|
|
/** |
* Pack a row of GLfloat rgba[4] values to the destination. |
*/ |
void |
_mesa_pack_float_rgba_row(gl_format format, GLuint n, |
const GLfloat src[][4], void *dst) |
{ |
pack_float_rgba_row_func packrow = get_pack_float_rgba_row_function(format); |
if (packrow) { |
/* use "fast" function */ |
packrow(n, src, dst); |
} |
else { |
/* slower fallback */ |
gl_pack_float_rgba_func pack = _mesa_get_pack_float_rgba_function(format); |
GLuint dstStride = _mesa_get_format_bytes(format); |
GLubyte *dstPtr = (GLubyte *) dst; |
GLuint i; |
|
assert(pack); |
if (!pack) |
return; |
|
for (i = 0; i < n; i++) { |
pack(src[i], dstPtr); |
dstPtr += dstStride; |
} |
} |
} |
|
|
/** |
* Pack a row of GLubyte rgba[4] values to the destination. |
*/ |
void |
_mesa_pack_ubyte_rgba_row(gl_format format, GLuint n, |
const GLubyte src[][4], void *dst) |
{ |
pack_ubyte_rgba_row_func packrow = get_pack_ubyte_rgba_row_function(format); |
if (packrow) { |
/* use "fast" function */ |
packrow(n, src, dst); |
} |
else { |
/* slower fallback */ |
gl_pack_ubyte_rgba_func pack = _mesa_get_pack_ubyte_rgba_function(format); |
const GLuint stride = _mesa_get_format_bytes(format); |
GLubyte *d = ((GLubyte *) dst); |
GLuint i; |
|
assert(pack); |
if (!pack) |
return; |
|
for (i = 0; i < n; i++) { |
pack(src[i], d); |
d += stride; |
} |
} |
} |
|
|
/** |
* Pack a 2D image of ubyte RGBA pixels in the given format. |
* \param srcRowStride source image row stride in bytes |
* \param dstRowStride destination image row stride in bytes |
*/ |
void |
_mesa_pack_ubyte_rgba_rect(gl_format format, GLuint width, GLuint height, |
const GLubyte *src, GLint srcRowStride, |
void *dst, GLint dstRowStride) |
{ |
pack_ubyte_rgba_row_func packrow = get_pack_ubyte_rgba_row_function(format); |
GLubyte *dstUB = (GLubyte *) dst; |
GLuint i; |
|
if (packrow) { |
if (srcRowStride == width * 4 * sizeof(GLubyte) && |
dstRowStride == _mesa_format_row_stride(format, width)) { |
/* do whole image at once */ |
packrow(width * height, (const GLubyte (*)[4]) src, dst); |
} |
else { |
/* row by row */ |
for (i = 0; i < height; i++) { |
packrow(width, (const GLubyte (*)[4]) src, dstUB); |
src += srcRowStride; |
dstUB += dstRowStride; |
} |
} |
} |
else { |
/* slower fallback */ |
for (i = 0; i < height; i++) { |
_mesa_pack_ubyte_rgba_row(format, width, |
(const GLubyte (*)[4]) src, dstUB); |
src += srcRowStride; |
dstUB += dstRowStride; |
} |
} |
} |
|
|
|
/** |
** Pack float Z pixels |
**/ |
|
static void |
pack_float_z_Z24_S8(const GLfloat *src, void *dst) |
{ |
/* don't disturb the stencil values */ |
GLuint *d = ((GLuint *) dst); |
const GLdouble scale = (GLdouble) 0xffffff; |
GLuint s = *d & 0xff; |
GLuint z = (GLuint) (*src * scale); |
assert(z <= 0xffffff); |
*d = (z << 8) | s; |
} |
|
static void |
pack_float_z_S8_Z24(const GLfloat *src, void *dst) |
{ |
/* don't disturb the stencil values */ |
GLuint *d = ((GLuint *) dst); |
const GLdouble scale = (GLdouble) 0xffffff; |
GLuint s = *d & 0xff000000; |
GLuint z = (GLuint) (*src * scale); |
assert(z <= 0xffffff); |
*d = s | z; |
} |
|
static void |
pack_float_z_Z16(const GLfloat *src, void *dst) |
{ |
GLushort *d = ((GLushort *) dst); |
const GLfloat scale = (GLfloat) 0xffff; |
*d = (GLushort) (*src * scale); |
} |
|
static void |
pack_float_z_Z32(const GLfloat *src, void *dst) |
{ |
GLuint *d = ((GLuint *) dst); |
const GLdouble scale = (GLdouble) 0xffffffff; |
*d = (GLuint) (*src * scale); |
} |
|
static void |
pack_float_z_Z32_FLOAT(const GLfloat *src, void *dst) |
{ |
GLfloat *d = (GLfloat *) dst; |
*d = *src; |
} |
|
gl_pack_float_z_func |
_mesa_get_pack_float_z_func(gl_format format) |
{ |
switch (format) { |
case MESA_FORMAT_Z24_S8: |
case MESA_FORMAT_Z24_X8: |
return pack_float_z_Z24_S8; |
case MESA_FORMAT_S8_Z24: |
case MESA_FORMAT_X8_Z24: |
return pack_float_z_S8_Z24; |
case MESA_FORMAT_Z16: |
return pack_float_z_Z16; |
case MESA_FORMAT_Z32: |
return pack_float_z_Z32; |
case MESA_FORMAT_Z32_FLOAT: |
case MESA_FORMAT_Z32_FLOAT_X24S8: |
return pack_float_z_Z32_FLOAT; |
default: |
_mesa_problem(NULL, |
"unexpected format in _mesa_get_pack_float_z_func()"); |
return NULL; |
} |
} |
|
|
|
/** |
** Pack uint Z pixels. The incoming src value is always in |
** the range [0, 2^32-1]. |
**/ |
|
static void |
pack_uint_z_Z24_S8(const GLuint *src, void *dst) |
{ |
/* don't disturb the stencil values */ |
GLuint *d = ((GLuint *) dst); |
GLuint s = *d & 0xff; |
GLuint z = *src & 0xffffff00; |
*d = z | s; |
} |
|
static void |
pack_uint_z_S8_Z24(const GLuint *src, void *dst) |
{ |
/* don't disturb the stencil values */ |
GLuint *d = ((GLuint *) dst); |
GLuint s = *d & 0xff000000; |
GLuint z = *src >> 8; |
*d = s | z; |
} |
|
static void |
pack_uint_z_Z16(const GLuint *src, void *dst) |
{ |
GLushort *d = ((GLushort *) dst); |
*d = *src >> 16; |
} |
|
static void |
pack_uint_z_Z32(const GLuint *src, void *dst) |
{ |
GLuint *d = ((GLuint *) dst); |
*d = *src; |
} |
|
static void |
pack_uint_z_Z32_FLOAT(const GLuint *src, void *dst) |
{ |
GLuint *d = ((GLuint *) dst); |
const GLdouble scale = 1.0 / (GLdouble) 0xffffffff; |
*d = (GLuint) (*src * scale); |
assert(*d >= 0.0f); |
assert(*d <= 1.0f); |
} |
|
static void |
pack_uint_z_Z32_FLOAT_X24S8(const GLuint *src, void *dst) |
{ |
GLfloat *d = ((GLfloat *) dst); |
const GLdouble scale = 1.0 / (GLdouble) 0xffffffff; |
*d = (GLfloat) (*src * scale); |
assert(*d >= 0.0f); |
assert(*d <= 1.0f); |
} |
|
gl_pack_uint_z_func |
_mesa_get_pack_uint_z_func(gl_format format) |
{ |
switch (format) { |
case MESA_FORMAT_Z24_S8: |
case MESA_FORMAT_Z24_X8: |
return pack_uint_z_Z24_S8; |
case MESA_FORMAT_S8_Z24: |
case MESA_FORMAT_X8_Z24: |
return pack_uint_z_S8_Z24; |
case MESA_FORMAT_Z16: |
return pack_uint_z_Z16; |
case MESA_FORMAT_Z32: |
return pack_uint_z_Z32; |
case MESA_FORMAT_Z32_FLOAT: |
return pack_uint_z_Z32_FLOAT; |
case MESA_FORMAT_Z32_FLOAT_X24S8: |
return pack_uint_z_Z32_FLOAT_X24S8; |
default: |
_mesa_problem(NULL, "unexpected format in _mesa_get_pack_uint_z_func()"); |
return NULL; |
} |
} |
|
|
/** |
** Pack ubyte stencil pixels |
**/ |
|
static void |
pack_ubyte_stencil_Z24_S8(const GLubyte *src, void *dst) |
{ |
/* don't disturb the Z values */ |
GLuint *d = ((GLuint *) dst); |
GLuint s = *src; |
GLuint z = *d & 0xffffff00; |
*d = z | s; |
} |
|
static void |
pack_ubyte_stencil_S8_Z24(const GLubyte *src, void *dst) |
{ |
/* don't disturb the Z values */ |
GLuint *d = ((GLuint *) dst); |
GLuint s = *src << 24; |
GLuint z = *d & 0xffffff; |
*d = s | z; |
} |
|
static void |
pack_ubyte_stencil_S8(const GLubyte *src, void *dst) |
{ |
GLubyte *d = (GLubyte *) dst; |
*d = *src; |
} |
|
static void |
pack_ubyte_stencil_Z32_FLOAT_X24S8(const GLubyte *src, void *dst) |
{ |
GLfloat *d = ((GLfloat *) dst); |
d[1] = *src; |
} |
|
|
gl_pack_ubyte_stencil_func |
_mesa_get_pack_ubyte_stencil_func(gl_format format) |
{ |
switch (format) { |
case MESA_FORMAT_Z24_S8: |
return pack_ubyte_stencil_Z24_S8; |
case MESA_FORMAT_S8_Z24: |
return pack_ubyte_stencil_S8_Z24; |
case MESA_FORMAT_S8: |
return pack_ubyte_stencil_S8; |
case MESA_FORMAT_Z32_FLOAT_X24S8: |
return pack_ubyte_stencil_Z32_FLOAT_X24S8; |
default: |
_mesa_problem(NULL, |
"unexpected format in _mesa_pack_ubyte_stencil_func()"); |
return NULL; |
} |
} |
|
|
|
void |
_mesa_pack_float_z_row(gl_format format, GLuint n, |
const GLfloat *src, void *dst) |
{ |
switch (format) { |
case MESA_FORMAT_Z24_S8: |
case MESA_FORMAT_Z24_X8: |
{ |
/* don't disturb the stencil values */ |
GLuint *d = ((GLuint *) dst); |
const GLdouble scale = (GLdouble) 0xffffff; |
GLuint i; |
for (i = 0; i < n; i++) { |
GLuint s = d[i] & 0xff; |
GLuint z = (GLuint) (src[i] * scale); |
assert(z <= 0xffffff); |
d[i] = (z << 8) | s; |
} |
} |
break; |
case MESA_FORMAT_S8_Z24: |
case MESA_FORMAT_X8_Z24: |
{ |
/* don't disturb the stencil values */ |
GLuint *d = ((GLuint *) dst); |
const GLdouble scale = (GLdouble) 0xffffff; |
GLuint i; |
for (i = 0; i < n; i++) { |
GLuint s = d[i] & 0xff000000; |
GLuint z = (GLuint) (src[i] * scale); |
assert(z <= 0xffffff); |
d[i] = s | z; |
} |
} |
break; |
case MESA_FORMAT_Z16: |
{ |
GLushort *d = ((GLushort *) dst); |
const GLfloat scale = (GLfloat) 0xffff; |
GLuint i; |
for (i = 0; i < n; i++) { |
d[i] = (GLushort) (src[i] * scale); |
} |
} |
break; |
case MESA_FORMAT_Z32: |
{ |
GLuint *d = ((GLuint *) dst); |
const GLdouble scale = (GLdouble) 0xffffffff; |
GLuint i; |
for (i = 0; i < n; i++) { |
d[i] = (GLuint) (src[i] * scale); |
} |
} |
break; |
case MESA_FORMAT_Z32_FLOAT: |
memcpy(dst, src, n * sizeof(GLfloat)); |
break; |
case MESA_FORMAT_Z32_FLOAT_X24S8: |
{ |
struct z32f_x24s8 *d = (struct z32f_x24s8 *) dst; |
GLuint i; |
for (i = 0; i < n; i++) { |
d[i].z = src[i]; |
} |
} |
break; |
default: |
_mesa_problem(NULL, "unexpected format in _mesa_pack_float_z_row()"); |
} |
} |
|
|
/** |
* The incoming Z values are always in the range [0, 0xffffffff]. |
*/ |
void |
_mesa_pack_uint_z_row(gl_format format, GLuint n, |
const GLuint *src, void *dst) |
{ |
switch (format) { |
case MESA_FORMAT_Z24_S8: |
case MESA_FORMAT_Z24_X8: |
{ |
/* don't disturb the stencil values */ |
GLuint *d = ((GLuint *) dst); |
GLuint i; |
for (i = 0; i < n; i++) { |
GLuint s = d[i] & 0xff; |
GLuint z = src[i] & 0xffffff00; |
d[i] = z | s; |
} |
} |
break; |
case MESA_FORMAT_S8_Z24: |
case MESA_FORMAT_X8_Z24: |
{ |
/* don't disturb the stencil values */ |
GLuint *d = ((GLuint *) dst); |
GLuint i; |
for (i = 0; i < n; i++) { |
GLuint s = d[i] & 0xff000000; |
GLuint z = src[i] >> 8; |
d[i] = s | z; |
} |
} |
break; |
case MESA_FORMAT_Z16: |
{ |
GLushort *d = ((GLushort *) dst); |
GLuint i; |
for (i = 0; i < n; i++) { |
d[i] = src[i] >> 16; |
} |
} |
break; |
case MESA_FORMAT_Z32: |
memcpy(dst, src, n * sizeof(GLfloat)); |
break; |
case MESA_FORMAT_Z32_FLOAT: |
{ |
GLuint *d = ((GLuint *) dst); |
const GLdouble scale = 1.0 / (GLdouble) 0xffffffff; |
GLuint i; |
for (i = 0; i < n; i++) { |
d[i] = (GLuint) (src[i] * scale); |
assert(d[i] >= 0.0f); |
assert(d[i] <= 1.0f); |
} |
} |
break; |
case MESA_FORMAT_Z32_FLOAT_X24S8: |
{ |
struct z32f_x24s8 *d = (struct z32f_x24s8 *) dst; |
const GLdouble scale = 1.0 / (GLdouble) 0xffffffff; |
GLuint i; |
for (i = 0; i < n; i++) { |
d[i].z = (GLfloat) (src[i] * scale); |
assert(d[i].z >= 0.0f); |
assert(d[i].z <= 1.0f); |
} |
} |
break; |
default: |
_mesa_problem(NULL, "unexpected format in _mesa_pack_uint_z_row()"); |
} |
} |
|
|
void |
_mesa_pack_ubyte_stencil_row(gl_format format, GLuint n, |
const GLubyte *src, void *dst) |
{ |
switch (format) { |
case MESA_FORMAT_Z24_S8: |
{ |
/* don't disturb the Z values */ |
GLuint *d = ((GLuint *) dst); |
GLuint i; |
for (i = 0; i < n; i++) { |
GLuint s = src[i]; |
GLuint z = d[i] & 0xffffff00; |
d[i] = z | s; |
} |
} |
break; |
case MESA_FORMAT_S8_Z24: |
{ |
/* don't disturb the Z values */ |
GLuint *d = ((GLuint *) dst); |
GLuint i; |
for (i = 0; i < n; i++) { |
GLuint s = src[i] << 24; |
GLuint z = d[i] & 0xffffff; |
d[i] = s | z; |
} |
} |
break; |
case MESA_FORMAT_S8: |
memcpy(dst, src, n * sizeof(GLubyte)); |
break; |
case MESA_FORMAT_Z32_FLOAT_X24S8: |
{ |
struct z32f_x24s8 *d = (struct z32f_x24s8 *) dst; |
GLuint i; |
for (i = 0; i < n; i++) { |
d[i].x24s8 = src[i]; |
} |
} |
break; |
default: |
_mesa_problem(NULL, "unexpected format in _mesa_pack_ubyte_stencil_row()"); |
} |
} |
|
|
/** |
* Incoming Z/stencil values are always in uint_24_8 format. |
*/ |
void |
_mesa_pack_uint_24_8_depth_stencil_row(gl_format format, GLuint n, |
const GLuint *src, void *dst) |
{ |
switch (format) { |
case MESA_FORMAT_Z24_S8: |
memcpy(dst, src, n * sizeof(GLuint)); |
break; |
case MESA_FORMAT_S8_Z24: |
{ |
GLuint *d = ((GLuint *) dst); |
GLuint i; |
for (i = 0; i < n; i++) { |
GLuint s = src[i] << 24; |
GLuint z = src[i] >> 8; |
d[i] = s | z; |
} |
} |
break; |
case MESA_FORMAT_Z32_FLOAT_X24S8: |
{ |
const GLdouble scale = 1.0 / (GLdouble) 0xffffff; |
struct z32f_x24s8 *d = (struct z32f_x24s8 *) dst; |
GLuint i; |
for (i = 0; i < n; i++) { |
GLfloat z = (GLfloat) ((src[i] >> 8) * scale); |
d[i].z = z; |
d[i].x24s8 = src[i]; |
} |
} |
break; |
default: |
_mesa_problem(NULL, "bad format %s in _mesa_pack_ubyte_s_row", |
_mesa_get_format_name(format)); |
return; |
} |
} |
|
|
|
/** |
* Convert a boolean color mask to a packed color where each channel of |
* the packed value at dst will be 0 or ~0 depending on the colorMask. |
*/ |
void |
_mesa_pack_colormask(gl_format format, const GLubyte colorMask[4], void *dst) |
{ |
GLfloat maskColor[4]; |
|
switch (_mesa_get_format_datatype(format)) { |
case GL_UNSIGNED_NORMALIZED: |
/* simple: 1.0 will convert to ~0 in the right bit positions */ |
maskColor[0] = colorMask[0] ? 1.0f : 0.0f; |
maskColor[1] = colorMask[1] ? 1.0f : 0.0f; |
maskColor[2] = colorMask[2] ? 1.0f : 0.0f; |
maskColor[3] = colorMask[3] ? 1.0f : 0.0f; |
_mesa_pack_float_rgba_row(format, 1, |
(const GLfloat (*)[4]) maskColor, dst); |
break; |
case GL_SIGNED_NORMALIZED: |
case GL_FLOAT: |
/* These formats are harder because it's hard to know the floating |
* point values that will convert to ~0 for each color channel's bits. |
* This solution just generates a non-zero value for each color channel |
* then fixes up the non-zero values to be ~0. |
* Note: we'll need to add special case code if we ever have to deal |
* with formats with unequal color channel sizes, like R11_G11_B10. |
* We issue a warning below for channel sizes other than 8,16,32. |
*/ |
{ |
GLuint bits = _mesa_get_format_max_bits(format); /* bits per chan */ |
GLuint bytes = _mesa_get_format_bytes(format); |
GLuint i; |
|
/* this should put non-zero values into the channels of dst */ |
maskColor[0] = colorMask[0] ? -1.0f : 0.0f; |
maskColor[1] = colorMask[1] ? -1.0f : 0.0f; |
maskColor[2] = colorMask[2] ? -1.0f : 0.0f; |
maskColor[3] = colorMask[3] ? -1.0f : 0.0f; |
_mesa_pack_float_rgba_row(format, 1, |
(const GLfloat (*)[4]) maskColor, dst); |
|
/* fix-up the dst channels by converting non-zero values to ~0 */ |
if (bits == 8) { |
GLubyte *d = (GLubyte *) dst; |
for (i = 0; i < bytes; i++) { |
d[i] = d[i] ? 0xff : 0x0; |
} |
} |
else if (bits == 16) { |
GLushort *d = (GLushort *) dst; |
for (i = 0; i < bytes / 2; i++) { |
d[i] = d[i] ? 0xffff : 0x0; |
} |
} |
else if (bits == 32) { |
GLuint *d = (GLuint *) dst; |
for (i = 0; i < bytes / 4; i++) { |
d[i] = d[i] ? 0xffffffffU : 0x0; |
} |
} |
else { |
_mesa_problem(NULL, "unexpected size in _mesa_pack_colormask()"); |
return; |
} |
} |
break; |
default: |
_mesa_problem(NULL, "unexpected format data type in gen_color_mask()"); |
return; |
} |
} |