diff options
Diffstat (limited to 'xorg-server/render/picture.h')
| -rw-r--r-- | xorg-server/render/picture.h | 463 |
1 files changed, 231 insertions, 232 deletions
diff --git a/xorg-server/render/picture.h b/xorg-server/render/picture.h index 8bd38b98e..461bbf01b 100644 --- a/xorg-server/render/picture.h +++ b/xorg-server/render/picture.h @@ -1,232 +1,231 @@ -/* - * - * Copyright © 2000 SuSE, Inc. - * - * Permission to use, copy, modify, distribute, and sell this software and its - * documentation for any purpose is hereby granted without fee, provided that - * the above copyright notice appear in all copies and that both that - * copyright notice and this permission notice appear in supporting - * documentation, and that the name of SuSE not be used in advertising or - * publicity pertaining to distribution of the software without specific, - * written prior permission. SuSE makes no representations about the - * suitability of this software for any purpose. It is provided "as is" - * without express or implied warranty. - * - * SuSE DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL SuSE - * BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION - * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN - * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - * - * Author: Keith Packard, SuSE, Inc. - */ - -#ifndef _PICTURE_H_ -#define _PICTURE_H_ - -#include "privates.h" - -#include <pixman.h> - -typedef struct _DirectFormat *DirectFormatPtr; -typedef struct _PictFormat *PictFormatPtr; -typedef struct _Picture *PicturePtr; - -/* - * While the protocol is generous in format support, the - * sample implementation allows only packed RGB and GBR - * representations for data to simplify software rendering, - */ -#define PICT_FORMAT(bpp,type,a,r,g,b) PIXMAN_FORMAT(bpp, type, a, r, g, b) - -/* - * gray/color formats use a visual index instead of argb - */ -#define PICT_VISFORMAT(bpp,type,vi) (((bpp) << 24) | \ - ((type) << 16) | \ - ((vi))) - -#define PICT_FORMAT_BPP(f) PIXMAN_FORMAT_BPP(f) -#define PICT_FORMAT_TYPE(f) PIXMAN_FORMAT_TYPE(f) -#define PICT_FORMAT_A(f) PIXMAN_FORMAT_A(f) -#define PICT_FORMAT_R(f) PIXMAN_FORMAT_R(f) -#define PICT_FORMAT_G(f) PIXMAN_FORMAT_G(f) -#define PICT_FORMAT_B(f) PIXMAN_FORMAT_B(f) -#define PICT_FORMAT_RGB(f) PIXMAN_FORMAT_RGB(f) -#define PICT_FORMAT_VIS(f) PIXMAN_FORMAT_VIS(f) - -#define PICT_TYPE_OTHER PIXMAN_TYPE_OTHER -#define PICT_TYPE_A PIXMAN_TYPE_A -#define PICT_TYPE_ARGB PIXMAN_TYPE_ARGB -#define PICT_TYPE_ABGR PIXMAN_TYPE_ABGR -#define PICT_TYPE_COLOR PIXMAN_TYPE_COLOR -#define PICT_TYPE_GRAY PIXMAN_TYPE_GRAY -#define PICT_TYPE_BGRA PIXMAN_TYPE_BGRA - -#define PICT_FORMAT_COLOR(f) PIXMAN_FORMAT_COLOR(f) - -/* 32bpp formats */ -typedef enum _PictFormatShort { - PICT_a2r10g10b10 = PIXMAN_a2r10g10b10, - PICT_x2r10g10b10 = PIXMAN_x2r10g10b10, - PICT_a2b10g10r10 = PIXMAN_a2b10g10r10, - PICT_x2b10g10r10 = PIXMAN_x2b10g10r10, - - PICT_a8r8g8b8 = PIXMAN_a8r8g8b8, - PICT_x8r8g8b8 = PIXMAN_x8r8g8b8, - PICT_a8b8g8r8 = PIXMAN_a8b8g8r8, - PICT_x8b8g8r8 = PIXMAN_x8b8g8r8, - PICT_b8g8r8a8 = PIXMAN_b8g8r8a8, - PICT_b8g8r8x8 = PIXMAN_b8g8r8x8, - -/* 24bpp formats */ - PICT_r8g8b8 = PIXMAN_r8g8b8, - PICT_b8g8r8 = PIXMAN_b8g8r8, - -/* 16bpp formats */ - PICT_r5g6b5 = PIXMAN_r5g6b5, - PICT_b5g6r5 = PIXMAN_b5g6r5, - - PICT_a1r5g5b5 = PIXMAN_a1r5g5b5, - PICT_x1r5g5b5 = PIXMAN_x1r5g5b5, - PICT_a1b5g5r5 = PIXMAN_a1b5g5r5, - PICT_x1b5g5r5 = PIXMAN_x1b5g5r5, - PICT_a4r4g4b4 = PIXMAN_a4r4g4b4, - PICT_x4r4g4b4 = PIXMAN_x4r4g4b4, - PICT_a4b4g4r4 = PIXMAN_a4b4g4r4, - PICT_x4b4g4r4 = PIXMAN_x4b4g4r4, - -/* 8bpp formats */ - PICT_a8 = PIXMAN_a8, - PICT_r3g3b2 = PIXMAN_r3g3b2, - PICT_b2g3r3 = PIXMAN_b2g3r3, - PICT_a2r2g2b2 = PIXMAN_a2r2g2b2, - PICT_a2b2g2r2 = PIXMAN_a2b2g2r2, - - PICT_c8 = PIXMAN_c8, - PICT_g8 = PIXMAN_g8, - - PICT_x4a4 = PIXMAN_x4a4, - - PICT_x4c4 = PIXMAN_x4c4, - PICT_x4g4 = PIXMAN_x4g4, - -/* 4bpp formats */ - PICT_a4 = PIXMAN_a4, - PICT_r1g2b1 = PIXMAN_r1g2b1, - PICT_b1g2r1 = PIXMAN_b1g2r1, - PICT_a1r1g1b1 = PIXMAN_a1r1g1b1, - PICT_a1b1g1r1 = PIXMAN_a1b1g1r1, - - PICT_c4 = PIXMAN_c4, - PICT_g4 = PIXMAN_g4, - -/* 1bpp formats */ - PICT_a1 = PIXMAN_a1, - - PICT_g1 = PIXMAN_g1 -} PictFormatShort; - -/* - * For dynamic indexed visuals (GrayScale and PseudoColor), these control the - * selection of colors allocated for drawing to Pictures. The default - * policy depends on the size of the colormap: - * - * Size Default Policy - * ---------------------------- - * < 64 PolicyMono - * < 256 PolicyGray - * 256 PolicyColor (only on PseudoColor) - * - * The actual allocation code lives in miindex.c, and so is - * austensibly server dependent, but that code does: - * - * PolicyMono Allocate no additional colors, use black and white - * PolicyGray Allocate 13 gray levels (11 cells used) - * PolicyColor Allocate a 4x4x4 cube and 13 gray levels (71 cells used) - * PolicyAll Allocate as big a cube as possible, fill with gray (all) - * - * Here's a picture to help understand how many colors are - * actually allocated (this is just the gray ramp): - * - * gray level - * all 0000 1555 2aaa 4000 5555 6aaa 8000 9555 aaaa bfff d555 eaaa ffff - * b/w 0000 ffff - * 4x4x4 5555 aaaa - * extra 1555 2aaa 4000 6aaa 8000 9555 bfff d555 eaaa - * - * The default colormap supplies two gray levels (black/white), the - * 4x4x4 cube allocates another two and nine more are allocated to fill - * in the 13 levels. When the 4x4x4 cube is not allocated, a total of - * 11 cells are allocated. - */ - -#define PictureCmapPolicyInvalid -1 -#define PictureCmapPolicyDefault 0 -#define PictureCmapPolicyMono 1 -#define PictureCmapPolicyGray 2 -#define PictureCmapPolicyColor 3 -#define PictureCmapPolicyAll 4 - -extern _X_EXPORT int PictureCmapPolicy; - -extern _X_EXPORT int PictureParseCmapPolicy (const char *name); - -extern _X_EXPORT int RenderErrBase; -extern _X_EXPORT DevPrivateKey RenderClientPrivateKey; - -/* Fixed point updates from Carl Worth, USC, Information Sciences Institute */ - -typedef pixman_fixed_32_32_t xFixed_32_32; - -typedef pixman_fixed_48_16_t xFixed_48_16; - -#define MAX_FIXED_48_16 pixman_max_fixed_48_16 -#define MIN_FIXED_48_16 pixman_min_fixed_48_16 - -typedef pixman_fixed_1_31_t xFixed_1_31; -typedef pixman_fixed_1_16_t xFixed_1_16; -typedef pixman_fixed_16_16_t xFixed_16_16; - -/* - * An unadorned "xFixed" is the same as xFixed_16_16, - * (since it's quite common in the code) - */ -typedef pixman_fixed_t xFixed; -#define XFIXED_BITS 16 - -#define xFixedToInt(f) pixman_fixed_to_int(f) -#define IntToxFixed(i) pixman_int_to_fixed(i) -#define xFixedE pixman_fixed_e -#define xFixed1 pixman_fixed_1 -#define xFixed1MinusE pixman_fixed_1_minus_e -#define xFixedFrac(f) pixman_fixed_frac(f) -#define xFixedFloor(f) pixman_fixed_floor(f) -#define xFixedCeil(f) pixman_fixed_ceil(f) - -#define xFixedFraction(f) pixman_fixed_fraction(f) -#define xFixedMod2(f) pixman_fixed_mod2(f) - -/* whether 't' is a well defined not obviously empty trapezoid */ -#define xTrapezoidValid(t) ((t)->left.p1.y != (t)->left.p2.y && \ - (t)->right.p1.y != (t)->right.p2.y && \ - (int) ((t)->bottom - (t)->top) > 0) - -/* - * Standard NTSC luminance conversions: - * - * y = r * 0.299 + g * 0.587 + b * 0.114 - * - * Approximate this for a bit more speed: - * - * y = (r * 153 + g * 301 + b * 58) / 512 - * - * This gives 17 bits of luminance; to get 15 bits, lop the low two - */ - -#define CvtR8G8B8toY15(s) (((((s) >> 16) & 0xff) * 153 + \ - (((s) >> 8) & 0xff) * 301 + \ - (((s) ) & 0xff) * 58) >> 2) - -#endif /* _PICTURE_H_ */ +/*
+ *
+ * Copyright © 2000 SuSE, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation, and that the name of SuSE not be used in advertising or
+ * publicity pertaining to distribution of the software without specific,
+ * written prior permission. SuSE makes no representations about the
+ * suitability of this software for any purpose. It is provided "as is"
+ * without express or implied warranty.
+ *
+ * SuSE DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL SuSE
+ * BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * Author: Keith Packard, SuSE, Inc.
+ */
+
+#ifndef _PICTURE_H_
+#define _PICTURE_H_
+
+#include "privates.h"
+
+#include <pixman.h>
+
+typedef struct _DirectFormat *DirectFormatPtr;
+typedef struct _PictFormat *PictFormatPtr;
+typedef struct _Picture *PicturePtr;
+
+/*
+ * While the protocol is generous in format support, the
+ * sample implementation allows only packed RGB and GBR
+ * representations for data to simplify software rendering,
+ */
+#define PICT_FORMAT(bpp,type,a,r,g,b) PIXMAN_FORMAT(bpp, type, a, r, g, b)
+
+/*
+ * gray/color formats use a visual index instead of argb
+ */
+#define PICT_VISFORMAT(bpp,type,vi) (((bpp) << 24) | \
+ ((type) << 16) | \
+ ((vi)))
+
+#define PICT_FORMAT_BPP(f) PIXMAN_FORMAT_BPP(f)
+#define PICT_FORMAT_TYPE(f) PIXMAN_FORMAT_TYPE(f)
+#define PICT_FORMAT_A(f) PIXMAN_FORMAT_A(f)
+#define PICT_FORMAT_R(f) PIXMAN_FORMAT_R(f)
+#define PICT_FORMAT_G(f) PIXMAN_FORMAT_G(f)
+#define PICT_FORMAT_B(f) PIXMAN_FORMAT_B(f)
+#define PICT_FORMAT_RGB(f) PIXMAN_FORMAT_RGB(f)
+#define PICT_FORMAT_VIS(f) PIXMAN_FORMAT_VIS(f)
+
+#define PICT_TYPE_OTHER PIXMAN_TYPE_OTHER
+#define PICT_TYPE_A PIXMAN_TYPE_A
+#define PICT_TYPE_ARGB PIXMAN_TYPE_ARGB
+#define PICT_TYPE_ABGR PIXMAN_TYPE_ABGR
+#define PICT_TYPE_COLOR PIXMAN_TYPE_COLOR
+#define PICT_TYPE_GRAY PIXMAN_TYPE_GRAY
+#define PICT_TYPE_BGRA PIXMAN_TYPE_BGRA
+
+#define PICT_FORMAT_COLOR(f) PIXMAN_FORMAT_COLOR(f)
+
+/* 32bpp formats */
+typedef enum _PictFormatShort {
+ PICT_a2r10g10b10 = PIXMAN_a2r10g10b10,
+ PICT_x2r10g10b10 = PIXMAN_x2r10g10b10,
+ PICT_a2b10g10r10 = PIXMAN_a2b10g10r10,
+ PICT_x2b10g10r10 = PIXMAN_x2b10g10r10,
+
+ PICT_a8r8g8b8 = PIXMAN_a8r8g8b8,
+ PICT_x8r8g8b8 = PIXMAN_x8r8g8b8,
+ PICT_a8b8g8r8 = PIXMAN_a8b8g8r8,
+ PICT_x8b8g8r8 = PIXMAN_x8b8g8r8,
+ PICT_b8g8r8a8 = PIXMAN_b8g8r8a8,
+ PICT_b8g8r8x8 = PIXMAN_b8g8r8x8,
+
+/* 24bpp formats */
+ PICT_r8g8b8 = PIXMAN_r8g8b8,
+ PICT_b8g8r8 = PIXMAN_b8g8r8,
+
+/* 16bpp formats */
+ PICT_r5g6b5 = PIXMAN_r5g6b5,
+ PICT_b5g6r5 = PIXMAN_b5g6r5,
+
+ PICT_a1r5g5b5 = PIXMAN_a1r5g5b5,
+ PICT_x1r5g5b5 = PIXMAN_x1r5g5b5,
+ PICT_a1b5g5r5 = PIXMAN_a1b5g5r5,
+ PICT_x1b5g5r5 = PIXMAN_x1b5g5r5,
+ PICT_a4r4g4b4 = PIXMAN_a4r4g4b4,
+ PICT_x4r4g4b4 = PIXMAN_x4r4g4b4,
+ PICT_a4b4g4r4 = PIXMAN_a4b4g4r4,
+ PICT_x4b4g4r4 = PIXMAN_x4b4g4r4,
+
+/* 8bpp formats */
+ PICT_a8 = PIXMAN_a8,
+ PICT_r3g3b2 = PIXMAN_r3g3b2,
+ PICT_b2g3r3 = PIXMAN_b2g3r3,
+ PICT_a2r2g2b2 = PIXMAN_a2r2g2b2,
+ PICT_a2b2g2r2 = PIXMAN_a2b2g2r2,
+
+ PICT_c8 = PIXMAN_c8,
+ PICT_g8 = PIXMAN_g8,
+
+ PICT_x4a4 = PIXMAN_x4a4,
+
+ PICT_x4c4 = PIXMAN_x4c4,
+ PICT_x4g4 = PIXMAN_x4g4,
+
+/* 4bpp formats */
+ PICT_a4 = PIXMAN_a4,
+ PICT_r1g2b1 = PIXMAN_r1g2b1,
+ PICT_b1g2r1 = PIXMAN_b1g2r1,
+ PICT_a1r1g1b1 = PIXMAN_a1r1g1b1,
+ PICT_a1b1g1r1 = PIXMAN_a1b1g1r1,
+
+ PICT_c4 = PIXMAN_c4,
+ PICT_g4 = PIXMAN_g4,
+
+/* 1bpp formats */
+ PICT_a1 = PIXMAN_a1,
+
+ PICT_g1 = PIXMAN_g1
+} PictFormatShort;
+
+/*
+ * For dynamic indexed visuals (GrayScale and PseudoColor), these control the
+ * selection of colors allocated for drawing to Pictures. The default
+ * policy depends on the size of the colormap:
+ *
+ * Size Default Policy
+ * ----------------------------
+ * < 64 PolicyMono
+ * < 256 PolicyGray
+ * 256 PolicyColor (only on PseudoColor)
+ *
+ * The actual allocation code lives in miindex.c, and so is
+ * austensibly server dependent, but that code does:
+ *
+ * PolicyMono Allocate no additional colors, use black and white
+ * PolicyGray Allocate 13 gray levels (11 cells used)
+ * PolicyColor Allocate a 4x4x4 cube and 13 gray levels (71 cells used)
+ * PolicyAll Allocate as big a cube as possible, fill with gray (all)
+ *
+ * Here's a picture to help understand how many colors are
+ * actually allocated (this is just the gray ramp):
+ *
+ * gray level
+ * all 0000 1555 2aaa 4000 5555 6aaa 8000 9555 aaaa bfff d555 eaaa ffff
+ * b/w 0000 ffff
+ * 4x4x4 5555 aaaa
+ * extra 1555 2aaa 4000 6aaa 8000 9555 bfff d555 eaaa
+ *
+ * The default colormap supplies two gray levels (black/white), the
+ * 4x4x4 cube allocates another two and nine more are allocated to fill
+ * in the 13 levels. When the 4x4x4 cube is not allocated, a total of
+ * 11 cells are allocated.
+ */
+
+#define PictureCmapPolicyInvalid -1
+#define PictureCmapPolicyDefault 0
+#define PictureCmapPolicyMono 1
+#define PictureCmapPolicyGray 2
+#define PictureCmapPolicyColor 3
+#define PictureCmapPolicyAll 4
+
+extern _X_EXPORT int PictureCmapPolicy;
+
+extern _X_EXPORT int PictureParseCmapPolicy (const char *name);
+
+extern _X_EXPORT int RenderErrBase;
+
+/* Fixed point updates from Carl Worth, USC, Information Sciences Institute */
+
+typedef pixman_fixed_32_32_t xFixed_32_32;
+
+typedef pixman_fixed_48_16_t xFixed_48_16;
+
+#define MAX_FIXED_48_16 pixman_max_fixed_48_16
+#define MIN_FIXED_48_16 pixman_min_fixed_48_16
+
+typedef pixman_fixed_1_31_t xFixed_1_31;
+typedef pixman_fixed_1_16_t xFixed_1_16;
+typedef pixman_fixed_16_16_t xFixed_16_16;
+
+/*
+ * An unadorned "xFixed" is the same as xFixed_16_16,
+ * (since it's quite common in the code)
+ */
+typedef pixman_fixed_t xFixed;
+#define XFIXED_BITS 16
+
+#define xFixedToInt(f) pixman_fixed_to_int(f)
+#define IntToxFixed(i) pixman_int_to_fixed(i)
+#define xFixedE pixman_fixed_e
+#define xFixed1 pixman_fixed_1
+#define xFixed1MinusE pixman_fixed_1_minus_e
+#define xFixedFrac(f) pixman_fixed_frac(f)
+#define xFixedFloor(f) pixman_fixed_floor(f)
+#define xFixedCeil(f) pixman_fixed_ceil(f)
+
+#define xFixedFraction(f) pixman_fixed_fraction(f)
+#define xFixedMod2(f) pixman_fixed_mod2(f)
+
+/* whether 't' is a well defined not obviously empty trapezoid */
+#define xTrapezoidValid(t) ((t)->left.p1.y != (t)->left.p2.y && \
+ (t)->right.p1.y != (t)->right.p2.y && \
+ (int) ((t)->bottom - (t)->top) > 0)
+
+/*
+ * Standard NTSC luminance conversions:
+ *
+ * y = r * 0.299 + g * 0.587 + b * 0.114
+ *
+ * Approximate this for a bit more speed:
+ *
+ * y = (r * 153 + g * 301 + b * 58) / 512
+ *
+ * This gives 17 bits of luminance; to get 15 bits, lop the low two
+ */
+
+#define CvtR8G8B8toY15(s) (((((s) >> 16) & 0xff) * 153 + \
+ (((s) >> 8) & 0xff) * 301 + \
+ (((s) ) & 0xff) * 58) >> 2)
+
+#endif /* _PICTURE_H_ */
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