diff options
Diffstat (limited to 'mesalib/src/gallium/auxiliary')
-rw-r--r-- | mesalib/src/gallium/auxiliary/util/u_pack_color.h | 1232 | ||||
-rw-r--r-- | mesalib/src/gallium/auxiliary/util/u_surface.c | 775 | ||||
-rw-r--r-- | mesalib/src/gallium/auxiliary/util/u_tile.c | 1345 |
3 files changed, 1742 insertions, 1610 deletions
diff --git a/mesalib/src/gallium/auxiliary/util/u_pack_color.h b/mesalib/src/gallium/auxiliary/util/u_pack_color.h index c51cc7bcb..9391f1b80 100644 --- a/mesalib/src/gallium/auxiliary/util/u_pack_color.h +++ b/mesalib/src/gallium/auxiliary/util/u_pack_color.h @@ -1,584 +1,648 @@ -/**************************************************************************
- *
- * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
- * All Rights Reserved.
- *
- * 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, sub license, 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 (including the
- * next paragraph) 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 NON-INFRINGEMENT.
- * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS 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.
- *
- **************************************************************************/
-
-/**
- * @file
- * Functions to produce packed colors/Z from floats.
- */
-
-
-#ifndef U_PACK_COLOR_H
-#define U_PACK_COLOR_H
-
-
-#include "pipe/p_compiler.h"
-#include "pipe/p_format.h"
-#include "util/u_debug.h"
-#include "util/u_format.h"
-#include "util/u_math.h"
-
-
-/**
- * Helper union for packing pixel values.
- * Will often contain values in formats which are too complex to be described
- * in simple terms, hence might just effectively contain a number of bytes.
- * Must be big enough to hold data for all formats (currently 256 bits).
- */
-union util_color {
- ubyte ub;
- ushort us;
- uint ui;
- float f[4];
- double d[4];
-};
-
-/**
- * Pack ubyte R,G,B,A into dest pixel.
- */
-static INLINE void
-util_pack_color_ub(ubyte r, ubyte g, ubyte b, ubyte a,
- enum pipe_format format, union util_color *uc)
-{
- switch (format) {
- case PIPE_FORMAT_A8B8G8R8_UNORM:
- {
- uc->ui = (r << 24) | (g << 16) | (b << 8) | a;
- }
- return;
- case PIPE_FORMAT_X8B8G8R8_UNORM:
- {
- uc->ui = (r << 24) | (g << 16) | (b << 8) | 0xff;
- }
- return;
- case PIPE_FORMAT_B8G8R8A8_UNORM:
- {
- uc->ui = (a << 24) | (r << 16) | (g << 8) | b;
- }
- return;
- case PIPE_FORMAT_B8G8R8X8_UNORM:
- {
- uc->ui = (0xff << 24) | (r << 16) | (g << 8) | b;
- }
- return;
- case PIPE_FORMAT_A8R8G8B8_UNORM:
- {
- uc->ui = (b << 24) | (g << 16) | (r << 8) | a;
- }
- return;
- case PIPE_FORMAT_X8R8G8B8_UNORM:
- {
- uc->ui = (b << 24) | (g << 16) | (r << 8) | 0xff;
- }
- return;
- case PIPE_FORMAT_B5G6R5_UNORM:
- {
- uc->us = ((r & 0xf8) << 8) | ((g & 0xfc) << 3) | (b >> 3);
- }
- return;
- case PIPE_FORMAT_B5G5R5X1_UNORM:
- {
- uc->us = ((0x80) << 8) | ((r & 0xf8) << 7) | ((g & 0xf8) << 2) | (b >> 3);
- }
- return;
- case PIPE_FORMAT_B5G5R5A1_UNORM:
- {
- uc->us = ((a & 0x80) << 8) | ((r & 0xf8) << 7) | ((g & 0xf8) << 2) | (b >> 3);
- }
- return;
- case PIPE_FORMAT_B4G4R4A4_UNORM:
- {
- uc->us = ((a & 0xf0) << 8) | ((r & 0xf0) << 4) | ((g & 0xf0) << 0) | (b >> 4);
- }
- return;
- case PIPE_FORMAT_A8_UNORM:
- {
- uc->ub = a;
- }
- return;
- case PIPE_FORMAT_L8_UNORM:
- case PIPE_FORMAT_I8_UNORM:
- {
- uc->ub = a;
- }
- return;
- case PIPE_FORMAT_R32G32B32A32_FLOAT:
- {
- uc->f[0] = (float)r / 255.0f;
- uc->f[1] = (float)g / 255.0f;
- uc->f[2] = (float)b / 255.0f;
- uc->f[3] = (float)a / 255.0f;
- }
- return;
- case PIPE_FORMAT_R32G32B32_FLOAT:
- {
- uc->f[0] = (float)r / 255.0f;
- uc->f[1] = (float)g / 255.0f;
- uc->f[2] = (float)b / 255.0f;
- }
- return;
-
- /* Handle other cases with a generic function.
- */
- default:
- {
- ubyte src[4];
-
- src[0] = r;
- src[1] = g;
- src[2] = b;
- src[3] = a;
- util_format_write_4ub(format, src, 0, uc, 0, 0, 0, 1, 1);
- }
- }
-}
-
-
-/**
- * Unpack RGBA from a packed pixel, returning values as ubytes in [0,255].
- */
-static INLINE void
-util_unpack_color_ub(enum pipe_format format, union util_color *uc,
- ubyte *r, ubyte *g, ubyte *b, ubyte *a)
-{
- switch (format) {
- case PIPE_FORMAT_A8B8G8R8_UNORM:
- {
- uint p = uc->ui;
- *r = (ubyte) ((p >> 24) & 0xff);
- *g = (ubyte) ((p >> 16) & 0xff);
- *b = (ubyte) ((p >> 8) & 0xff);
- *a = (ubyte) ((p >> 0) & 0xff);
- }
- return;
- case PIPE_FORMAT_X8B8G8R8_UNORM:
- {
- uint p = uc->ui;
- *r = (ubyte) ((p >> 24) & 0xff);
- *g = (ubyte) ((p >> 16) & 0xff);
- *b = (ubyte) ((p >> 8) & 0xff);
- *a = (ubyte) 0xff;
- }
- return;
- case PIPE_FORMAT_B8G8R8A8_UNORM:
- {
- uint p = uc->ui;
- *r = (ubyte) ((p >> 16) & 0xff);
- *g = (ubyte) ((p >> 8) & 0xff);
- *b = (ubyte) ((p >> 0) & 0xff);
- *a = (ubyte) ((p >> 24) & 0xff);
- }
- return;
- case PIPE_FORMAT_B8G8R8X8_UNORM:
- {
- uint p = uc->ui;
- *r = (ubyte) ((p >> 16) & 0xff);
- *g = (ubyte) ((p >> 8) & 0xff);
- *b = (ubyte) ((p >> 0) & 0xff);
- *a = (ubyte) 0xff;
- }
- return;
- case PIPE_FORMAT_A8R8G8B8_UNORM:
- {
- uint p = uc->ui;
- *r = (ubyte) ((p >> 8) & 0xff);
- *g = (ubyte) ((p >> 16) & 0xff);
- *b = (ubyte) ((p >> 24) & 0xff);
- *a = (ubyte) ((p >> 0) & 0xff);
- }
- return;
- case PIPE_FORMAT_X8R8G8B8_UNORM:
- {
- uint p = uc->ui;
- *r = (ubyte) ((p >> 8) & 0xff);
- *g = (ubyte) ((p >> 16) & 0xff);
- *b = (ubyte) ((p >> 24) & 0xff);
- *a = (ubyte) 0xff;
- }
- return;
- case PIPE_FORMAT_B5G6R5_UNORM:
- {
- ushort p = uc->us;
- *r = (ubyte) (((p >> 8) & 0xf8) | ((p >> 13) & 0x7));
- *g = (ubyte) (((p >> 3) & 0xfc) | ((p >> 9) & 0x3));
- *b = (ubyte) (((p << 3) & 0xf8) | ((p >> 2) & 0x7));
- *a = (ubyte) 0xff;
- }
- return;
- case PIPE_FORMAT_B5G5R5X1_UNORM:
- {
- ushort p = uc->us;
- *r = (ubyte) (((p >> 7) & 0xf8) | ((p >> 12) & 0x7));
- *g = (ubyte) (((p >> 2) & 0xf8) | ((p >> 7) & 0x7));
- *b = (ubyte) (((p << 3) & 0xf8) | ((p >> 2) & 0x7));
- *a = (ubyte) 0xff;
- }
- return;
- case PIPE_FORMAT_B5G5R5A1_UNORM:
- {
- ushort p = uc->us;
- *r = (ubyte) (((p >> 7) & 0xf8) | ((p >> 12) & 0x7));
- *g = (ubyte) (((p >> 2) & 0xf8) | ((p >> 7) & 0x7));
- *b = (ubyte) (((p << 3) & 0xf8) | ((p >> 2) & 0x7));
- *a = (ubyte) (0xff * (p >> 15));
- }
- return;
- case PIPE_FORMAT_B4G4R4A4_UNORM:
- {
- ushort p = uc->us;
- *r = (ubyte) (((p >> 4) & 0xf0) | ((p >> 8) & 0xf));
- *g = (ubyte) (((p >> 0) & 0xf0) | ((p >> 4) & 0xf));
- *b = (ubyte) (((p << 4) & 0xf0) | ((p >> 0) & 0xf));
- *a = (ubyte) (((p >> 8) & 0xf0) | ((p >> 12) & 0xf));
- }
- return;
- case PIPE_FORMAT_A8_UNORM:
- {
- ubyte p = uc->ub;
- *r = *g = *b = (ubyte) 0xff;
- *a = p;
- }
- return;
- case PIPE_FORMAT_L8_UNORM:
- {
- ubyte p = uc->ub;
- *r = *g = *b = p;
- *a = (ubyte) 0xff;
- }
- return;
- case PIPE_FORMAT_I8_UNORM:
- {
- ubyte p = uc->ub;
- *r = *g = *b = *a = p;
- }
- return;
- case PIPE_FORMAT_R32G32B32A32_FLOAT:
- {
- const float *p = &uc->f[0];
- *r = float_to_ubyte(p[0]);
- *g = float_to_ubyte(p[1]);
- *b = float_to_ubyte(p[2]);
- *a = float_to_ubyte(p[3]);
- }
- return;
- case PIPE_FORMAT_R32G32B32_FLOAT:
- {
- const float *p = &uc->f[0];
- *r = float_to_ubyte(p[0]);
- *g = float_to_ubyte(p[1]);
- *b = float_to_ubyte(p[2]);
- *a = (ubyte) 0xff;
- }
- return;
-
- case PIPE_FORMAT_R32G32_FLOAT:
- {
- const float *p = &uc->f[0];
- *r = float_to_ubyte(p[0]);
- *g = float_to_ubyte(p[1]);
- *b = *a = (ubyte) 0xff;
- }
- return;
-
- case PIPE_FORMAT_R32_FLOAT:
- {
- const float *p = &uc->f[0];
- *r = float_to_ubyte(p[0]);
- *g = *b = *a = (ubyte) 0xff;
- }
- return;
-
- /* Handle other cases with a generic function.
- */
- default:
- {
- ubyte dst[4];
-
- util_format_read_4ub(format, dst, 0, uc, 0, 0, 0, 1, 1);
- *r = dst[0];
- *g = dst[1];
- *b = dst[2];
- *a = dst[3];
- }
- }
-}
-
-
-/**
- * Note rgba outside [0,1] will be clamped for int pixel formats.
- */
-static INLINE void
-util_pack_color(const float rgba[4], enum pipe_format format, union util_color *uc)
-{
- ubyte r = 0;
- ubyte g = 0;
- ubyte b = 0;
- ubyte a = 0;
-
- if (util_format_get_component_bits(format, UTIL_FORMAT_COLORSPACE_RGB, 0) <= 8) {
- /* format uses 8-bit components or less */
- r = float_to_ubyte(rgba[0]);
- g = float_to_ubyte(rgba[1]);
- b = float_to_ubyte(rgba[2]);
- a = float_to_ubyte(rgba[3]);
- }
-
- switch (format) {
- case PIPE_FORMAT_A8B8G8R8_UNORM:
- {
- uc->ui = (r << 24) | (g << 16) | (b << 8) | a;
- }
- return;
- case PIPE_FORMAT_X8B8G8R8_UNORM:
- {
- uc->ui = (r << 24) | (g << 16) | (b << 8) | 0xff;
- }
- return;
- case PIPE_FORMAT_B8G8R8A8_UNORM:
- {
- uc->ui = (a << 24) | (r << 16) | (g << 8) | b;
- }
- return;
- case PIPE_FORMAT_B8G8R8X8_UNORM:
- {
- uc->ui = (0xff << 24) | (r << 16) | (g << 8) | b;
- }
- return;
- case PIPE_FORMAT_A8R8G8B8_UNORM:
- {
- uc->ui = (b << 24) | (g << 16) | (r << 8) | a;
- }
- return;
- case PIPE_FORMAT_X8R8G8B8_UNORM:
- {
- uc->ui = (b << 24) | (g << 16) | (r << 8) | 0xff;
- }
- return;
- case PIPE_FORMAT_B5G6R5_UNORM:
- {
- uc->us = ((r & 0xf8) << 8) | ((g & 0xfc) << 3) | (b >> 3);
- }
- return;
- case PIPE_FORMAT_B5G5R5X1_UNORM:
- {
- uc->us = ((0x80) << 8) | ((r & 0xf8) << 7) | ((g & 0xf8) << 2) | (b >> 3);
- }
- return;
- case PIPE_FORMAT_B5G5R5A1_UNORM:
- {
- uc->us = ((a & 0x80) << 8) | ((r & 0xf8) << 7) | ((g & 0xf8) << 2) | (b >> 3);
- }
- return;
- case PIPE_FORMAT_B4G4R4A4_UNORM:
- {
- uc->us = ((a & 0xf0) << 8) | ((r & 0xf0) << 4) | ((g & 0xf0) << 0) | (b >> 4);
- }
- return;
- case PIPE_FORMAT_A8_UNORM:
- {
- uc->ub = a;
- }
- return;
- case PIPE_FORMAT_L8_UNORM:
- case PIPE_FORMAT_I8_UNORM:
- {
- uc->ub = r;
- }
- return;
- case PIPE_FORMAT_R32G32B32A32_FLOAT:
- {
- uc->f[0] = rgba[0];
- uc->f[1] = rgba[1];
- uc->f[2] = rgba[2];
- uc->f[3] = rgba[3];
- }
- return;
- case PIPE_FORMAT_R32G32B32_FLOAT:
- {
- uc->f[0] = rgba[0];
- uc->f[1] = rgba[1];
- uc->f[2] = rgba[2];
- }
- return;
-
- /* Handle other cases with a generic function.
- */
- default:
- util_format_write_4f(format, rgba, 0, uc, 0, 0, 0, 1, 1);
- }
-}
-
-/* Integer versions of util_pack_z and util_pack_z_stencil - useful for
- * constructing clear masks.
- */
-static INLINE uint32_t
-util_pack_mask_z(enum pipe_format format, uint32_t z)
-{
- switch (format) {
- case PIPE_FORMAT_Z16_UNORM:
- return z & 0xffff;
- case PIPE_FORMAT_Z32_UNORM:
- case PIPE_FORMAT_Z32_FLOAT:
- return z;
- case PIPE_FORMAT_Z24_UNORM_S8_USCALED:
- case PIPE_FORMAT_Z24X8_UNORM:
- return z & 0xffffff;
- case PIPE_FORMAT_S8_USCALED_Z24_UNORM:
- case PIPE_FORMAT_X8Z24_UNORM:
- return (z & 0xffffff) << 8;
- case PIPE_FORMAT_S8_USCALED:
- return 0;
- default:
- debug_print_format("gallium: unhandled format in util_pack_mask_z()", format);
- assert(0);
- return 0;
- }
-}
-
-static INLINE uint32_t
-util_pack_mask_z_stencil(enum pipe_format format, uint32_t z, uint8_t s)
-{
- uint32_t packed = util_pack_mask_z(format, z);
-
- switch (format) {
- case PIPE_FORMAT_Z24_UNORM_S8_USCALED:
- packed |= (uint32_t)s << 24;
- break;
- case PIPE_FORMAT_S8_USCALED_Z24_UNORM:
- packed |= s;
- break;
- case PIPE_FORMAT_S8_USCALED:
- packed |= s;
- break;
- default:
- break;
- }
-
- return packed;
-}
-
-
-
-/**
- * Note: it's assumed that z is in [0,1]
- */
-static INLINE uint32_t
-util_pack_z(enum pipe_format format, double z)
-{
- union fi fui;
-
- if (z == 0.0)
- return 0;
-
- switch (format) {
- case PIPE_FORMAT_Z16_UNORM:
- if (z == 1.0)
- return 0xffff;
- return (uint32_t) (z * 0xffff);
- case PIPE_FORMAT_Z32_UNORM:
- /* special-case to avoid overflow */
- if (z == 1.0)
- return 0xffffffff;
- return (uint32_t) (z * 0xffffffff);
- case PIPE_FORMAT_Z32_FLOAT:
- fui.f = (float)z;
- return fui.ui;
- case PIPE_FORMAT_Z24_UNORM_S8_USCALED:
- case PIPE_FORMAT_Z24X8_UNORM:
- if (z == 1.0)
- return 0xffffff;
- return (uint32_t) (z * 0xffffff);
- case PIPE_FORMAT_S8_USCALED_Z24_UNORM:
- case PIPE_FORMAT_X8Z24_UNORM:
- if (z == 1.0)
- return 0xffffff00;
- return ((uint32_t) (z * 0xffffff)) << 8;
- case PIPE_FORMAT_S8_USCALED:
- /* this case can get it via util_pack_z_stencil() */
- return 0;
- default:
- debug_print_format("gallium: unhandled format in util_pack_z()", format);
- assert(0);
- return 0;
- }
-}
-
-
-/**
- * Pack Z and/or stencil values into a 32-bit value described by format.
- * Note: it's assumed that z is in [0,1] and s in [0,255]
- */
-static INLINE uint32_t
-util_pack_z_stencil(enum pipe_format format, double z, uint8_t s)
-{
- uint32_t packed = util_pack_z(format, z);
-
- switch (format) {
- case PIPE_FORMAT_Z24_UNORM_S8_USCALED:
- packed |= (uint32_t)s << 24;
- break;
- case PIPE_FORMAT_S8_USCALED_Z24_UNORM:
- packed |= s;
- break;
- case PIPE_FORMAT_S8_USCALED:
- packed |= s;
- break;
- default:
- break;
- }
-
- return packed;
-}
-
-
-/**
- * Pack 4 ubytes into a 4-byte word
- */
-static INLINE unsigned
-pack_ub4(ubyte b0, ubyte b1, ubyte b2, ubyte b3)
-{
- return ((((unsigned int)b0) << 0) |
- (((unsigned int)b1) << 8) |
- (((unsigned int)b2) << 16) |
- (((unsigned int)b3) << 24));
-}
-
-
-/**
- * Pack/convert 4 floats into one 4-byte word.
- */
-static INLINE unsigned
-pack_ui32_float4(float a, float b, float c, float d)
-{
- return pack_ub4( float_to_ubyte(a),
- float_to_ubyte(b),
- float_to_ubyte(c),
- float_to_ubyte(d) );
-}
-
-
-
-#endif /* U_PACK_COLOR_H */
+/************************************************************************** + * + * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * 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, sub license, 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 (including the + * next paragraph) 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 NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS 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. + * + **************************************************************************/ + +/** + * @file + * Functions to produce packed colors/Z from floats. + */ + + +#ifndef U_PACK_COLOR_H +#define U_PACK_COLOR_H + + +#include "pipe/p_compiler.h" +#include "pipe/p_format.h" +#include "util/u_debug.h" +#include "util/u_format.h" +#include "util/u_math.h" + + +/** + * Helper union for packing pixel values. + * Will often contain values in formats which are too complex to be described + * in simple terms, hence might just effectively contain a number of bytes. + * Must be big enough to hold data for all formats (currently 256 bits). + */ +union util_color { + ubyte ub; + ushort us; + uint ui; + float f[4]; + double d[4]; +}; + +/** + * Pack ubyte R,G,B,A into dest pixel. + */ +static INLINE void +util_pack_color_ub(ubyte r, ubyte g, ubyte b, ubyte a, + enum pipe_format format, union util_color *uc) +{ + switch (format) { + case PIPE_FORMAT_A8B8G8R8_UNORM: + { + uc->ui = (r << 24) | (g << 16) | (b << 8) | a; + } + return; + case PIPE_FORMAT_X8B8G8R8_UNORM: + { + uc->ui = (r << 24) | (g << 16) | (b << 8) | 0xff; + } + return; + case PIPE_FORMAT_B8G8R8A8_UNORM: + { + uc->ui = (a << 24) | (r << 16) | (g << 8) | b; + } + return; + case PIPE_FORMAT_B8G8R8X8_UNORM: + { + uc->ui = (0xff << 24) | (r << 16) | (g << 8) | b; + } + return; + case PIPE_FORMAT_A8R8G8B8_UNORM: + { + uc->ui = (b << 24) | (g << 16) | (r << 8) | a; + } + return; + case PIPE_FORMAT_X8R8G8B8_UNORM: + { + uc->ui = (b << 24) | (g << 16) | (r << 8) | 0xff; + } + return; + case PIPE_FORMAT_B5G6R5_UNORM: + { + uc->us = ((r & 0xf8) << 8) | ((g & 0xfc) << 3) | (b >> 3); + } + return; + case PIPE_FORMAT_B5G5R5X1_UNORM: + { + uc->us = ((0x80) << 8) | ((r & 0xf8) << 7) | ((g & 0xf8) << 2) | (b >> 3); + } + return; + case PIPE_FORMAT_B5G5R5A1_UNORM: + { + uc->us = ((a & 0x80) << 8) | ((r & 0xf8) << 7) | ((g & 0xf8) << 2) | (b >> 3); + } + return; + case PIPE_FORMAT_B4G4R4A4_UNORM: + { + uc->us = ((a & 0xf0) << 8) | ((r & 0xf0) << 4) | ((g & 0xf0) << 0) | (b >> 4); + } + return; + case PIPE_FORMAT_A8_UNORM: + { + uc->ub = a; + } + return; + case PIPE_FORMAT_L8_UNORM: + case PIPE_FORMAT_I8_UNORM: + { + uc->ub = a; + } + return; + case PIPE_FORMAT_R32G32B32A32_FLOAT: + { + uc->f[0] = (float)r / 255.0f; + uc->f[1] = (float)g / 255.0f; + uc->f[2] = (float)b / 255.0f; + uc->f[3] = (float)a / 255.0f; + } + return; + case PIPE_FORMAT_R32G32B32_FLOAT: + { + uc->f[0] = (float)r / 255.0f; + uc->f[1] = (float)g / 255.0f; + uc->f[2] = (float)b / 255.0f; + } + return; + + /* Handle other cases with a generic function. + */ + default: + { + ubyte src[4]; + + src[0] = r; + src[1] = g; + src[2] = b; + src[3] = a; + util_format_write_4ub(format, src, 0, uc, 0, 0, 0, 1, 1); + } + } +} + + +/** + * Unpack RGBA from a packed pixel, returning values as ubytes in [0,255]. + */ +static INLINE void +util_unpack_color_ub(enum pipe_format format, union util_color *uc, + ubyte *r, ubyte *g, ubyte *b, ubyte *a) +{ + switch (format) { + case PIPE_FORMAT_A8B8G8R8_UNORM: + { + uint p = uc->ui; + *r = (ubyte) ((p >> 24) & 0xff); + *g = (ubyte) ((p >> 16) & 0xff); + *b = (ubyte) ((p >> 8) & 0xff); + *a = (ubyte) ((p >> 0) & 0xff); + } + return; + case PIPE_FORMAT_X8B8G8R8_UNORM: + { + uint p = uc->ui; + *r = (ubyte) ((p >> 24) & 0xff); + *g = (ubyte) ((p >> 16) & 0xff); + *b = (ubyte) ((p >> 8) & 0xff); + *a = (ubyte) 0xff; + } + return; + case PIPE_FORMAT_B8G8R8A8_UNORM: + { + uint p = uc->ui; + *r = (ubyte) ((p >> 16) & 0xff); + *g = (ubyte) ((p >> 8) & 0xff); + *b = (ubyte) ((p >> 0) & 0xff); + *a = (ubyte) ((p >> 24) & 0xff); + } + return; + case PIPE_FORMAT_B8G8R8X8_UNORM: + { + uint p = uc->ui; + *r = (ubyte) ((p >> 16) & 0xff); + *g = (ubyte) ((p >> 8) & 0xff); + *b = (ubyte) ((p >> 0) & 0xff); + *a = (ubyte) 0xff; + } + return; + case PIPE_FORMAT_A8R8G8B8_UNORM: + { + uint p = uc->ui; + *r = (ubyte) ((p >> 8) & 0xff); + *g = (ubyte) ((p >> 16) & 0xff); + *b = (ubyte) ((p >> 24) & 0xff); + *a = (ubyte) ((p >> 0) & 0xff); + } + return; + case PIPE_FORMAT_X8R8G8B8_UNORM: + { + uint p = uc->ui; + *r = (ubyte) ((p >> 8) & 0xff); + *g = (ubyte) ((p >> 16) & 0xff); + *b = (ubyte) ((p >> 24) & 0xff); + *a = (ubyte) 0xff; + } + return; + case PIPE_FORMAT_B5G6R5_UNORM: + { + ushort p = uc->us; + *r = (ubyte) (((p >> 8) & 0xf8) | ((p >> 13) & 0x7)); + *g = (ubyte) (((p >> 3) & 0xfc) | ((p >> 9) & 0x3)); + *b = (ubyte) (((p << 3) & 0xf8) | ((p >> 2) & 0x7)); + *a = (ubyte) 0xff; + } + return; + case PIPE_FORMAT_B5G5R5X1_UNORM: + { + ushort p = uc->us; + *r = (ubyte) (((p >> 7) & 0xf8) | ((p >> 12) & 0x7)); + *g = (ubyte) (((p >> 2) & 0xf8) | ((p >> 7) & 0x7)); + *b = (ubyte) (((p << 3) & 0xf8) | ((p >> 2) & 0x7)); + *a = (ubyte) 0xff; + } + return; + case PIPE_FORMAT_B5G5R5A1_UNORM: + { + ushort p = uc->us; + *r = (ubyte) (((p >> 7) & 0xf8) | ((p >> 12) & 0x7)); + *g = (ubyte) (((p >> 2) & 0xf8) | ((p >> 7) & 0x7)); + *b = (ubyte) (((p << 3) & 0xf8) | ((p >> 2) & 0x7)); + *a = (ubyte) (0xff * (p >> 15)); + } + return; + case PIPE_FORMAT_B4G4R4A4_UNORM: + { + ushort p = uc->us; + *r = (ubyte) (((p >> 4) & 0xf0) | ((p >> 8) & 0xf)); + *g = (ubyte) (((p >> 0) & 0xf0) | ((p >> 4) & 0xf)); + *b = (ubyte) (((p << 4) & 0xf0) | ((p >> 0) & 0xf)); + *a = (ubyte) (((p >> 8) & 0xf0) | ((p >> 12) & 0xf)); + } + return; + case PIPE_FORMAT_A8_UNORM: + { + ubyte p = uc->ub; + *r = *g = *b = (ubyte) 0xff; + *a = p; + } + return; + case PIPE_FORMAT_L8_UNORM: + { + ubyte p = uc->ub; + *r = *g = *b = p; + *a = (ubyte) 0xff; + } + return; + case PIPE_FORMAT_I8_UNORM: + { + ubyte p = uc->ub; + *r = *g = *b = *a = p; + } + return; + case PIPE_FORMAT_R32G32B32A32_FLOAT: + { + const float *p = &uc->f[0]; + *r = float_to_ubyte(p[0]); + *g = float_to_ubyte(p[1]); + *b = float_to_ubyte(p[2]); + *a = float_to_ubyte(p[3]); + } + return; + case PIPE_FORMAT_R32G32B32_FLOAT: + { + const float *p = &uc->f[0]; + *r = float_to_ubyte(p[0]); + *g = float_to_ubyte(p[1]); + *b = float_to_ubyte(p[2]); + *a = (ubyte) 0xff; + } + return; + + case PIPE_FORMAT_R32G32_FLOAT: + { + const float *p = &uc->f[0]; + *r = float_to_ubyte(p[0]); + *g = float_to_ubyte(p[1]); + *b = *a = (ubyte) 0xff; + } + return; + + case PIPE_FORMAT_R32_FLOAT: + { + const float *p = &uc->f[0]; + *r = float_to_ubyte(p[0]); + *g = *b = *a = (ubyte) 0xff; + } + return; + + /* Handle other cases with a generic function. + */ + default: + { + ubyte dst[4]; + + util_format_read_4ub(format, dst, 0, uc, 0, 0, 0, 1, 1); + *r = dst[0]; + *g = dst[1]; + *b = dst[2]; + *a = dst[3]; + } + } +} + + +/** + * Note rgba outside [0,1] will be clamped for int pixel formats. + */ +static INLINE void +util_pack_color(const float rgba[4], enum pipe_format format, union util_color *uc) +{ + ubyte r = 0; + ubyte g = 0; + ubyte b = 0; + ubyte a = 0; + + if (util_format_get_component_bits(format, UTIL_FORMAT_COLORSPACE_RGB, 0) <= 8) { + /* format uses 8-bit components or less */ + r = float_to_ubyte(rgba[0]); + g = float_to_ubyte(rgba[1]); + b = float_to_ubyte(rgba[2]); + a = float_to_ubyte(rgba[3]); + } + + switch (format) { + case PIPE_FORMAT_A8B8G8R8_UNORM: + { + uc->ui = (r << 24) | (g << 16) | (b << 8) | a; + } + return; + case PIPE_FORMAT_X8B8G8R8_UNORM: + { + uc->ui = (r << 24) | (g << 16) | (b << 8) | 0xff; + } + return; + case PIPE_FORMAT_B8G8R8A8_UNORM: + { + uc->ui = (a << 24) | (r << 16) | (g << 8) | b; + } + return; + case PIPE_FORMAT_B8G8R8X8_UNORM: + { + uc->ui = (0xff << 24) | (r << 16) | (g << 8) | b; + } + return; + case PIPE_FORMAT_A8R8G8B8_UNORM: + { + uc->ui = (b << 24) | (g << 16) | (r << 8) | a; + } + return; + case PIPE_FORMAT_X8R8G8B8_UNORM: + { + uc->ui = (b << 24) | (g << 16) | (r << 8) | 0xff; + } + return; + case PIPE_FORMAT_B5G6R5_UNORM: + { + uc->us = ((r & 0xf8) << 8) | ((g & 0xfc) << 3) | (b >> 3); + } + return; + case PIPE_FORMAT_B5G5R5X1_UNORM: + { + uc->us = ((0x80) << 8) | ((r & 0xf8) << 7) | ((g & 0xf8) << 2) | (b >> 3); + } + return; + case PIPE_FORMAT_B5G5R5A1_UNORM: + { + uc->us = ((a & 0x80) << 8) | ((r & 0xf8) << 7) | ((g & 0xf8) << 2) | (b >> 3); + } + return; + case PIPE_FORMAT_B4G4R4A4_UNORM: + { + uc->us = ((a & 0xf0) << 8) | ((r & 0xf0) << 4) | ((g & 0xf0) << 0) | (b >> 4); + } + return; + case PIPE_FORMAT_A8_UNORM: + { + uc->ub = a; + } + return; + case PIPE_FORMAT_L8_UNORM: + case PIPE_FORMAT_I8_UNORM: + { + uc->ub = r; + } + return; + case PIPE_FORMAT_R32G32B32A32_FLOAT: + { + uc->f[0] = rgba[0]; + uc->f[1] = rgba[1]; + uc->f[2] = rgba[2]; + uc->f[3] = rgba[3]; + } + return; + case PIPE_FORMAT_R32G32B32_FLOAT: + { + uc->f[0] = rgba[0]; + uc->f[1] = rgba[1]; + uc->f[2] = rgba[2]; + } + return; + + /* Handle other cases with a generic function. + */ + default: + util_format_write_4f(format, rgba, 0, uc, 0, 0, 0, 1, 1); + } +} + +/* Integer versions of util_pack_z and util_pack_z_stencil - useful for + * constructing clear masks. + */ +static INLINE uint32_t +util_pack_mask_z(enum pipe_format format, uint32_t z) +{ + switch (format) { + case PIPE_FORMAT_Z16_UNORM: + return z & 0xffff; + case PIPE_FORMAT_Z32_UNORM: + case PIPE_FORMAT_Z32_FLOAT: + return z; + case PIPE_FORMAT_Z24_UNORM_S8_USCALED: + case PIPE_FORMAT_Z24X8_UNORM: + return z & 0xffffff; + case PIPE_FORMAT_S8_USCALED_Z24_UNORM: + case PIPE_FORMAT_X8Z24_UNORM: + return (z & 0xffffff) << 8; + case PIPE_FORMAT_S8_USCALED: + return 0; + default: + debug_print_format("gallium: unhandled format in util_pack_mask_z()", format); + assert(0); + return 0; + } +} + + +static INLINE uint64_t +util_pack64_mask_z(enum pipe_format format, uint32_t z) +{ + switch (format) { + case PIPE_FORMAT_Z32_FLOAT_S8X24_USCALED: + return z; + default: + return util_pack_mask_z(format, z); + } +} + + +static INLINE uint32_t +util_pack_mask_z_stencil(enum pipe_format format, uint32_t z, uint8_t s) +{ + uint32_t packed = util_pack_mask_z(format, z); + + switch (format) { + case PIPE_FORMAT_Z24_UNORM_S8_USCALED: + packed |= (uint32_t)s << 24; + break; + case PIPE_FORMAT_S8_USCALED_Z24_UNORM: + packed |= s; + break; + case PIPE_FORMAT_S8_USCALED: + packed |= s; + break; + default: + break; + } + + return packed; +} + + +static INLINE uint64_t +util_pack64_mask_z_stencil(enum pipe_format format, uint32_t z, uint8_t s) +{ + uint64_t packed; + + switch (format) { + case PIPE_FORMAT_Z32_FLOAT_S8X24_USCALED: + packed = util_pack64_mask_z(format, z); + packed |= (uint64_t)s << 32ull; + return packed; + default: + return util_pack_mask_z_stencil(format, z, s); + } +} + + +/** + * Note: it's assumed that z is in [0,1] + */ +static INLINE uint32_t +util_pack_z(enum pipe_format format, double z) +{ + union fi fui; + + if (z == 0.0) + return 0; + + switch (format) { + case PIPE_FORMAT_Z16_UNORM: + if (z == 1.0) + return 0xffff; + return (uint32_t) (z * 0xffff); + case PIPE_FORMAT_Z32_UNORM: + /* special-case to avoid overflow */ + if (z == 1.0) + return 0xffffffff; + return (uint32_t) (z * 0xffffffff); + case PIPE_FORMAT_Z32_FLOAT: + fui.f = (float)z; + return fui.ui; + case PIPE_FORMAT_Z24_UNORM_S8_USCALED: + case PIPE_FORMAT_Z24X8_UNORM: + if (z == 1.0) + return 0xffffff; + return (uint32_t) (z * 0xffffff); + case PIPE_FORMAT_S8_USCALED_Z24_UNORM: + case PIPE_FORMAT_X8Z24_UNORM: + if (z == 1.0) + return 0xffffff00; + return ((uint32_t) (z * 0xffffff)) << 8; + case PIPE_FORMAT_S8_USCALED: + /* this case can get it via util_pack_z_stencil() */ + return 0; + default: + debug_print_format("gallium: unhandled format in util_pack_z()", format); + assert(0); + return 0; + } +} + + +static INLINE uint64_t +util_pack64_z(enum pipe_format format, double z) +{ + union fi fui; + + if (z == 0) + return 0; + + switch (format) { + case PIPE_FORMAT_Z32_FLOAT_S8X24_USCALED: + fui.f = (float)z; + return fui.ui; + default: + return util_pack_z(format, z); + } +} + + +/** + * Pack Z and/or stencil values into a 32-bit value described by format. + * Note: it's assumed that z is in [0,1] and s in [0,255] + */ +static INLINE uint32_t +util_pack_z_stencil(enum pipe_format format, double z, uint8_t s) +{ + uint32_t packed = util_pack_z(format, z); + + switch (format) { + case PIPE_FORMAT_Z24_UNORM_S8_USCALED: + packed |= (uint32_t)s << 24; + break; + case PIPE_FORMAT_S8_USCALED_Z24_UNORM: + packed |= s; + break; + case PIPE_FORMAT_S8_USCALED: + packed |= s; + break; + default: + break; + } + + return packed; +} + + +static INLINE uint64_t +util_pack64_z_stencil(enum pipe_format format, double z, uint8_t s) +{ + uint64_t packed; + + switch (format) { + case PIPE_FORMAT_Z32_FLOAT_S8X24_USCALED: + packed = util_pack64_z(format, z); + packed |= (uint64_t)s << 32ull; + break; + default: + return util_pack_z_stencil(format, z, s); + } + + return packed; +} + + +/** + * Pack 4 ubytes into a 4-byte word + */ +static INLINE unsigned +pack_ub4(ubyte b0, ubyte b1, ubyte b2, ubyte b3) +{ + return ((((unsigned int)b0) << 0) | + (((unsigned int)b1) << 8) | + (((unsigned int)b2) << 16) | + (((unsigned int)b3) << 24)); +} + + +/** + * Pack/convert 4 floats into one 4-byte word. + */ +static INLINE unsigned +pack_ui32_float4(float a, float b, float c, float d) +{ + return pack_ub4( float_to_ubyte(a), + float_to_ubyte(b), + float_to_ubyte(c), + float_to_ubyte(d) ); +} + + + +#endif /* U_PACK_COLOR_H */ diff --git a/mesalib/src/gallium/auxiliary/util/u_surface.c b/mesalib/src/gallium/auxiliary/util/u_surface.c index 26f2aee99..8e123867d 100644 --- a/mesalib/src/gallium/auxiliary/util/u_surface.c +++ b/mesalib/src/gallium/auxiliary/util/u_surface.c @@ -1,371 +1,404 @@ -/**************************************************************************
- *
- * Copyright 2009 VMware, Inc. All Rights Reserved.
- *
- * 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, sub license, 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 (including the
- * next paragraph) 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 NON-INFRINGEMENT.
- * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS 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.
- *
- **************************************************************************/
-
-/**
- * @file
- * Surface utility functions.
- *
- * @author Brian Paul
- */
-
-
-#include "pipe/p_defines.h"
-#include "pipe/p_screen.h"
-#include "pipe/p_state.h"
-
-#include "util/u_format.h"
-#include "util/u_inlines.h"
-#include "util/u_rect.h"
-#include "util/u_surface.h"
-#include "util/u_pack_color.h"
-
-void
-u_surface_default_template(struct pipe_surface *view,
- const struct pipe_resource *texture,
- unsigned bind)
-{
- view->format = texture->format;
- view->u.tex.level = 0;
- view->u.tex.first_layer = 0;
- view->u.tex.last_layer = 0;
- /* XXX should filter out all non-rt/ds bind flags ? */
- view->usage = bind;
-}
-
-/**
- * Helper to quickly create an RGBA rendering surface of a certain size.
- * \param textureOut returns the new texture
- * \param surfaceOut returns the new surface
- * \return TRUE for success, FALSE if failure
- */
-boolean
-util_create_rgba_surface(struct pipe_context *pipe,
- uint width, uint height,
- uint bind,
- struct pipe_resource **textureOut,
- struct pipe_surface **surfaceOut)
-{
- static const enum pipe_format rgbaFormats[] = {
- PIPE_FORMAT_B8G8R8A8_UNORM,
- PIPE_FORMAT_A8R8G8B8_UNORM,
- PIPE_FORMAT_A8B8G8R8_UNORM,
- PIPE_FORMAT_NONE
- };
- const uint target = PIPE_TEXTURE_2D;
- enum pipe_format format = PIPE_FORMAT_NONE;
- struct pipe_resource templ;
- struct pipe_surface surf_templ;
- struct pipe_screen *screen = pipe->screen;
- uint i;
-
- /* Choose surface format */
- for (i = 0; rgbaFormats[i]; i++) {
- if (screen->is_format_supported(screen, rgbaFormats[i],
- target, 0, bind)) {
- format = rgbaFormats[i];
- break;
- }
- }
- if (format == PIPE_FORMAT_NONE)
- return FALSE; /* unable to get an rgba format!?! */
-
- /* create texture */
- memset(&templ, 0, sizeof(templ));
- templ.target = target;
- templ.format = format;
- templ.last_level = 0;
- templ.width0 = width;
- templ.height0 = height;
- templ.depth0 = 1;
- templ.array_size = 1;
- templ.bind = bind;
-
- *textureOut = screen->resource_create(screen, &templ);
- if (!*textureOut)
- return FALSE;
-
- /* create surface */
- memset(&surf_templ, 0, sizeof(surf_templ));
- u_surface_default_template(&surf_templ, *textureOut, bind);
- /* create surface / view into texture */
- *surfaceOut = pipe->create_surface(pipe,
- *textureOut,
- &surf_templ);
- if (!*surfaceOut) {
- pipe_resource_reference(textureOut, NULL);
- return FALSE;
- }
-
- return TRUE;
-}
-
-
-/**
- * Release the surface and texture from util_create_rgba_surface().
- */
-void
-util_destroy_rgba_surface(struct pipe_resource *texture,
- struct pipe_surface *surface)
-{
- pipe_surface_reference(&surface, NULL);
- pipe_resource_reference(&texture, NULL);
-}
-
-
-
-/**
- * Fallback function for pipe->resource_copy_region().
- * Note: (X,Y)=(0,0) is always the upper-left corner.
- */
-void
-util_resource_copy_region(struct pipe_context *pipe,
- struct pipe_resource *dst,
- unsigned dst_level,
- unsigned dst_x, unsigned dst_y, unsigned dst_z,
- struct pipe_resource *src,
- unsigned src_level,
- const struct pipe_box *src_box)
-{
- struct pipe_transfer *src_trans, *dst_trans;
- void *dst_map;
- const void *src_map;
- enum pipe_format src_format, dst_format;
- unsigned w = src_box->width;
- unsigned h = src_box->height;
-
- assert(src && dst);
- assert((src->target == PIPE_BUFFER && dst->target == PIPE_BUFFER) ||
- (src->target != PIPE_BUFFER && dst->target != PIPE_BUFFER));
-
- if (!src || !dst)
- return;
-
- src_format = src->format;
- dst_format = dst->format;
-
- src_trans = pipe_get_transfer(pipe,
- src,
- src_level,
- src_box->z,
- PIPE_TRANSFER_READ,
- src_box->x, src_box->y, w, h);
-
- dst_trans = pipe_get_transfer(pipe,
- dst,
- dst_level,
- dst_z,
- PIPE_TRANSFER_WRITE,
- dst_x, dst_y, w, h);
-
- assert(util_format_get_blocksize(dst_format) == util_format_get_blocksize(src_format));
- assert(util_format_get_blockwidth(dst_format) == util_format_get_blockwidth(src_format));
- assert(util_format_get_blockheight(dst_format) == util_format_get_blockheight(src_format));
-
- src_map = pipe->transfer_map(pipe, src_trans);
- dst_map = pipe->transfer_map(pipe, dst_trans);
-
- assert(src_map);
- assert(dst_map);
-
- if (src_map && dst_map) {
- if (dst->target == PIPE_BUFFER && src->target == PIPE_BUFFER) {
- memcpy(dst_map, src_map, w);
- } else {
- util_copy_rect(dst_map,
- dst_format,
- dst_trans->stride,
- 0, 0,
- w, h,
- src_map,
- src_trans->stride,
- 0,
- 0);
- }
- }
-
- pipe->transfer_unmap(pipe, src_trans);
- pipe->transfer_unmap(pipe, dst_trans);
-
- pipe->transfer_destroy(pipe, src_trans);
- pipe->transfer_destroy(pipe, dst_trans);
-}
-
-
-
-#define UBYTE_TO_USHORT(B) ((B) | ((B) << 8))
-
-
-/**
- * Fallback for pipe->clear_render_target() function.
- * XXX this looks too hackish to be really useful.
- * cpp > 4 looks like a gross hack at best...
- * Plus can't use these transfer fallbacks when clearing
- * multisampled surfaces for instance.
- */
-void
-util_clear_render_target(struct pipe_context *pipe,
- struct pipe_surface *dst,
- const float *rgba,
- unsigned dstx, unsigned dsty,
- unsigned width, unsigned height)
-{
- struct pipe_transfer *dst_trans;
- void *dst_map;
- union util_color uc;
-
- assert(dst->texture);
- if (!dst->texture)
- return;
- /* XXX: should handle multiple layers */
- dst_trans = pipe_get_transfer(pipe,
- dst->texture,
- dst->u.tex.level,
- dst->u.tex.first_layer,
- PIPE_TRANSFER_WRITE,
- dstx, dsty, width, height);
-
- dst_map = pipe->transfer_map(pipe, dst_trans);
-
- assert(dst_map);
-
- if (dst_map) {
- assert(dst_trans->stride > 0);
-
- util_pack_color(rgba, dst->texture->format, &uc);
- util_fill_rect(dst_map, dst->texture->format,
- dst_trans->stride,
- 0, 0, width, height, &uc);
- }
-
- pipe->transfer_unmap(pipe, dst_trans);
- pipe->transfer_destroy(pipe, dst_trans);
-}
-
-/**
- * Fallback for pipe->clear_stencil() function.
- * sw fallback doesn't look terribly useful here.
- * Plus can't use these transfer fallbacks when clearing
- * multisampled surfaces for instance.
- */
-void
-util_clear_depth_stencil(struct pipe_context *pipe,
- struct pipe_surface *dst,
- unsigned clear_flags,
- double depth,
- unsigned stencil,
- unsigned dstx, unsigned dsty,
- unsigned width, unsigned height)
-{
- struct pipe_transfer *dst_trans;
- ubyte *dst_map;
- boolean need_rmw = FALSE;
-
- if ((clear_flags & PIPE_CLEAR_DEPTHSTENCIL) &&
- ((clear_flags & PIPE_CLEAR_DEPTHSTENCIL) != PIPE_CLEAR_DEPTHSTENCIL) &&
- util_format_is_depth_and_stencil(dst->format))
- need_rmw = TRUE;
-
- assert(dst->texture);
- if (!dst->texture)
- return;
- dst_trans = pipe_get_transfer(pipe,
- dst->texture,
- dst->u.tex.level,
- dst->u.tex.first_layer,
- (need_rmw ? PIPE_TRANSFER_READ_WRITE :
- PIPE_TRANSFER_WRITE),
- dstx, dsty, width, height);
-
- dst_map = pipe->transfer_map(pipe, dst_trans);
-
- assert(dst_map);
-
- if (dst_map) {
- unsigned dst_stride = dst_trans->stride;
- unsigned zstencil = util_pack_z_stencil(dst->texture->format, depth, stencil);
- unsigned i, j;
- assert(dst_trans->stride > 0);
-
- switch (util_format_get_blocksize(dst->format)) {
- case 1:
- assert(dst->format == PIPE_FORMAT_S8_USCALED);
- if(dst_stride == width)
- memset(dst_map, (ubyte) zstencil, height * width);
- else {
- for (i = 0; i < height; i++) {
- memset(dst_map, (ubyte) zstencil, width);
- dst_map += dst_stride;
- }
- }
- break;
- case 2:
- assert(dst->format == PIPE_FORMAT_Z16_UNORM);
- for (i = 0; i < height; i++) {
- uint16_t *row = (uint16_t *)dst_map;
- for (j = 0; j < width; j++)
- *row++ = (uint16_t) zstencil;
- dst_map += dst_stride;
- }
- break;
- case 4:
- if (!need_rmw) {
- for (i = 0; i < height; i++) {
- uint32_t *row = (uint32_t *)dst_map;
- for (j = 0; j < width; j++)
- *row++ = zstencil;
- dst_map += dst_stride;
- }
- }
- else {
- uint32_t dst_mask;
- if (dst->format == PIPE_FORMAT_Z24_UNORM_S8_USCALED)
- dst_mask = 0xffffff00;
- else {
- assert(dst->format == PIPE_FORMAT_S8_USCALED_Z24_UNORM);
- dst_mask = 0xffffff;
- }
- if (clear_flags & PIPE_CLEAR_DEPTH)
- dst_mask = ~dst_mask;
- for (i = 0; i < height; i++) {
- uint32_t *row = (uint32_t *)dst_map;
- for (j = 0; j < width; j++) {
- uint32_t tmp = *row & dst_mask;
- *row++ = tmp | (zstencil & ~dst_mask);
- }
- dst_map += dst_stride;
- }
- }
- break;
- case 8:
- default:
- assert(0);
- break;
- }
- }
-
- pipe->transfer_unmap(pipe, dst_trans);
- pipe->transfer_destroy(pipe, dst_trans);
-}
+/************************************************************************** + * + * Copyright 2009 VMware, Inc. All Rights Reserved. + * + * 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, sub license, 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 (including the + * next paragraph) 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 NON-INFRINGEMENT. + * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS 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. + * + **************************************************************************/ + +/** + * @file + * Surface utility functions. + * + * @author Brian Paul + */ + + +#include "pipe/p_defines.h" +#include "pipe/p_screen.h" +#include "pipe/p_state.h" + +#include "util/u_format.h" +#include "util/u_inlines.h" +#include "util/u_rect.h" +#include "util/u_surface.h" +#include "util/u_pack_color.h" + +void +u_surface_default_template(struct pipe_surface *view, + const struct pipe_resource *texture, + unsigned bind) +{ + view->format = texture->format; + view->u.tex.level = 0; + view->u.tex.first_layer = 0; + view->u.tex.last_layer = 0; + /* XXX should filter out all non-rt/ds bind flags ? */ + view->usage = bind; +} + +/** + * Helper to quickly create an RGBA rendering surface of a certain size. + * \param textureOut returns the new texture + * \param surfaceOut returns the new surface + * \return TRUE for success, FALSE if failure + */ +boolean +util_create_rgba_surface(struct pipe_context *pipe, + uint width, uint height, + uint bind, + struct pipe_resource **textureOut, + struct pipe_surface **surfaceOut) +{ + static const enum pipe_format rgbaFormats[] = { + PIPE_FORMAT_B8G8R8A8_UNORM, + PIPE_FORMAT_A8R8G8B8_UNORM, + PIPE_FORMAT_A8B8G8R8_UNORM, + PIPE_FORMAT_NONE + }; + const uint target = PIPE_TEXTURE_2D; + enum pipe_format format = PIPE_FORMAT_NONE; + struct pipe_resource templ; + struct pipe_surface surf_templ; + struct pipe_screen *screen = pipe->screen; + uint i; + + /* Choose surface format */ + for (i = 0; rgbaFormats[i]; i++) { + if (screen->is_format_supported(screen, rgbaFormats[i], + target, 0, bind)) { + format = rgbaFormats[i]; + break; + } + } + if (format == PIPE_FORMAT_NONE) + return FALSE; /* unable to get an rgba format!?! */ + + /* create texture */ + memset(&templ, 0, sizeof(templ)); + templ.target = target; + templ.format = format; + templ.last_level = 0; + templ.width0 = width; + templ.height0 = height; + templ.depth0 = 1; + templ.array_size = 1; + templ.bind = bind; + + *textureOut = screen->resource_create(screen, &templ); + if (!*textureOut) + return FALSE; + + /* create surface */ + memset(&surf_templ, 0, sizeof(surf_templ)); + u_surface_default_template(&surf_templ, *textureOut, bind); + /* create surface / view into texture */ + *surfaceOut = pipe->create_surface(pipe, + *textureOut, + &surf_templ); + if (!*surfaceOut) { + pipe_resource_reference(textureOut, NULL); + return FALSE; + } + + return TRUE; +} + + +/** + * Release the surface and texture from util_create_rgba_surface(). + */ +void +util_destroy_rgba_surface(struct pipe_resource *texture, + struct pipe_surface *surface) +{ + pipe_surface_reference(&surface, NULL); + pipe_resource_reference(&texture, NULL); +} + + + +/** + * Fallback function for pipe->resource_copy_region(). + * Note: (X,Y)=(0,0) is always the upper-left corner. + */ +void +util_resource_copy_region(struct pipe_context *pipe, + struct pipe_resource *dst, + unsigned dst_level, + unsigned dst_x, unsigned dst_y, unsigned dst_z, + struct pipe_resource *src, + unsigned src_level, + const struct pipe_box *src_box) +{ + struct pipe_transfer *src_trans, *dst_trans; + void *dst_map; + const void *src_map; + enum pipe_format src_format, dst_format; + unsigned w = src_box->width; + unsigned h = src_box->height; + + assert(src && dst); + assert((src->target == PIPE_BUFFER && dst->target == PIPE_BUFFER) || + (src->target != PIPE_BUFFER && dst->target != PIPE_BUFFER)); + + if (!src || !dst) + return; + + src_format = src->format; + dst_format = dst->format; + + src_trans = pipe_get_transfer(pipe, + src, + src_level, + src_box->z, + PIPE_TRANSFER_READ, + src_box->x, src_box->y, w, h); + + dst_trans = pipe_get_transfer(pipe, + dst, + dst_level, + dst_z, + PIPE_TRANSFER_WRITE, + dst_x, dst_y, w, h); + + assert(util_format_get_blocksize(dst_format) == util_format_get_blocksize(src_format)); + assert(util_format_get_blockwidth(dst_format) == util_format_get_blockwidth(src_format)); + assert(util_format_get_blockheight(dst_format) == util_format_get_blockheight(src_format)); + + src_map = pipe->transfer_map(pipe, src_trans); + dst_map = pipe->transfer_map(pipe, dst_trans); + + assert(src_map); + assert(dst_map); + + if (src_map && dst_map) { + if (dst->target == PIPE_BUFFER && src->target == PIPE_BUFFER) { + memcpy(dst_map, src_map, w); + } else { + util_copy_rect(dst_map, + dst_format, + dst_trans->stride, + 0, 0, + w, h, + src_map, + src_trans->stride, + 0, + 0); + } + } + + pipe->transfer_unmap(pipe, src_trans); + pipe->transfer_unmap(pipe, dst_trans); + + pipe->transfer_destroy(pipe, src_trans); + pipe->transfer_destroy(pipe, dst_trans); +} + + + +#define UBYTE_TO_USHORT(B) ((B) | ((B) << 8)) + + +/** + * Fallback for pipe->clear_render_target() function. + * XXX this looks too hackish to be really useful. + * cpp > 4 looks like a gross hack at best... + * Plus can't use these transfer fallbacks when clearing + * multisampled surfaces for instance. + */ +void +util_clear_render_target(struct pipe_context *pipe, + struct pipe_surface *dst, + const float *rgba, + unsigned dstx, unsigned dsty, + unsigned width, unsigned height) +{ + struct pipe_transfer *dst_trans; + void *dst_map; + union util_color uc; + + assert(dst->texture); + if (!dst->texture) + return; + /* XXX: should handle multiple layers */ + dst_trans = pipe_get_transfer(pipe, + dst->texture, + dst->u.tex.level, + dst->u.tex.first_layer, + PIPE_TRANSFER_WRITE, + dstx, dsty, width, height); + + dst_map = pipe->transfer_map(pipe, dst_trans); + + assert(dst_map); + + if (dst_map) { + assert(dst_trans->stride > 0); + + util_pack_color(rgba, dst->texture->format, &uc); + util_fill_rect(dst_map, dst->texture->format, + dst_trans->stride, + 0, 0, width, height, &uc); + } + + pipe->transfer_unmap(pipe, dst_trans); + pipe->transfer_destroy(pipe, dst_trans); +} + +/** + * Fallback for pipe->clear_stencil() function. + * sw fallback doesn't look terribly useful here. + * Plus can't use these transfer fallbacks when clearing + * multisampled surfaces for instance. + */ +void +util_clear_depth_stencil(struct pipe_context *pipe, + struct pipe_surface *dst, + unsigned clear_flags, + double depth, + unsigned stencil, + unsigned dstx, unsigned dsty, + unsigned width, unsigned height) +{ + struct pipe_transfer *dst_trans; + ubyte *dst_map; + boolean need_rmw = FALSE; + + if ((clear_flags & PIPE_CLEAR_DEPTHSTENCIL) && + ((clear_flags & PIPE_CLEAR_DEPTHSTENCIL) != PIPE_CLEAR_DEPTHSTENCIL) && + util_format_is_depth_and_stencil(dst->format)) + need_rmw = TRUE; + + assert(dst->texture); + if (!dst->texture) + return; + dst_trans = pipe_get_transfer(pipe, + dst->texture, + dst->u.tex.level, + dst->u.tex.first_layer, + (need_rmw ? PIPE_TRANSFER_READ_WRITE : + PIPE_TRANSFER_WRITE), + dstx, dsty, width, height); + + dst_map = pipe->transfer_map(pipe, dst_trans); + + assert(dst_map); + + if (dst_map) { + unsigned dst_stride = dst_trans->stride; + unsigned zstencil = util_pack_z_stencil(dst->texture->format, depth, stencil); + unsigned i, j; + assert(dst_trans->stride > 0); + + switch (util_format_get_blocksize(dst->format)) { + case 1: + assert(dst->format == PIPE_FORMAT_S8_USCALED); + if(dst_stride == width) + memset(dst_map, (ubyte) zstencil, height * width); + else { + for (i = 0; i < height; i++) { + memset(dst_map, (ubyte) zstencil, width); + dst_map += dst_stride; + } + } + break; + case 2: + assert(dst->format == PIPE_FORMAT_Z16_UNORM); + for (i = 0; i < height; i++) { + uint16_t *row = (uint16_t *)dst_map; + for (j = 0; j < width; j++) + *row++ = (uint16_t) zstencil; + dst_map += dst_stride; + } + break; + case 4: + if (!need_rmw) { + for (i = 0; i < height; i++) { + uint32_t *row = (uint32_t *)dst_map; + for (j = 0; j < width; j++) + *row++ = zstencil; + dst_map += dst_stride; + } + } + else { + uint32_t dst_mask; + if (dst->format == PIPE_FORMAT_Z24_UNORM_S8_USCALED) + dst_mask = 0xffffff00; + else { + assert(dst->format == PIPE_FORMAT_S8_USCALED_Z24_UNORM); + dst_mask = 0xffffff; + } + if (clear_flags & PIPE_CLEAR_DEPTH) + dst_mask = ~dst_mask; + for (i = 0; i < height; i++) { + uint32_t *row = (uint32_t *)dst_map; + for (j = 0; j < width; j++) { + uint32_t tmp = *row & dst_mask; + *row++ = tmp | (zstencil & ~dst_mask); + } + dst_map += dst_stride; + } + } + break; + case 8: + { + uint64_t zstencil = util_pack64_z_stencil(dst->texture->format, + depth, stencil); + + assert(dst->format == PIPE_FORMAT_Z32_FLOAT_S8X24_USCALED); + + if (!need_rmw) { + for (i = 0; i < height; i++) { + uint64_t *row = (uint64_t *)dst_map; + for (j = 0; j < width; j++) + *row++ = zstencil; + dst_map += dst_stride; + } + } + else { + uint64_t src_mask; + + if (clear_flags & PIPE_CLEAR_DEPTH) + src_mask = 0x00000000ffffffffull; + else + src_mask = 0x000000ff00000000ull; + + for (i = 0; i < height; i++) { + uint64_t *row = (uint64_t *)dst_map; + for (j = 0; j < width; j++) { + uint64_t tmp = *row & ~src_mask; + *row++ = tmp | (zstencil & src_mask); + } + dst_map += dst_stride; + } + } + break; + } + default: + assert(0); + break; + } + } + + pipe->transfer_unmap(pipe, dst_trans); + pipe->transfer_destroy(pipe, dst_trans); +} diff --git a/mesalib/src/gallium/auxiliary/util/u_tile.c b/mesalib/src/gallium/auxiliary/util/u_tile.c index 54f634948..23f12e5f4 100644 --- a/mesalib/src/gallium/auxiliary/util/u_tile.c +++ b/mesalib/src/gallium/auxiliary/util/u_tile.c @@ -1,655 +1,690 @@ -/**************************************************************************
- *
- * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
- * All Rights Reserved.
- *
- * 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, sub license, 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 (including the
- * next paragraph) 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 NON-INFRINGEMENT.
- * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS 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.
- *
- **************************************************************************/
-
-/**
- * RGBA/float tile get/put functions.
- * Usable both by drivers and state trackers.
- */
-
-
-#include "pipe/p_defines.h"
-#include "util/u_inlines.h"
-
-#include "util/u_format.h"
-#include "util/u_math.h"
-#include "util/u_memory.h"
-#include "util/u_rect.h"
-#include "util/u_tile.h"
-
-
-/**
- * Move raw block of pixels from transfer object to user memory.
- */
-void
-pipe_get_tile_raw(struct pipe_context *pipe,
- struct pipe_transfer *pt,
- uint x, uint y, uint w, uint h,
- void *dst, int dst_stride)
-{
- const void *src;
-
- if (dst_stride == 0)
- dst_stride = util_format_get_stride(pt->resource->format, w);
-
- if (u_clip_tile(x, y, &w, &h, &pt->box))
- return;
-
- src = pipe->transfer_map(pipe, pt);
- assert(src);
- if(!src)
- return;
-
- util_copy_rect(dst, pt->resource->format, dst_stride, 0, 0, w, h, src, pt->stride, x, y);
-
- pipe->transfer_unmap(pipe, pt);
-}
-
-
-/**
- * Move raw block of pixels from user memory to transfer object.
- */
-void
-pipe_put_tile_raw(struct pipe_context *pipe,
- struct pipe_transfer *pt,
- uint x, uint y, uint w, uint h,
- const void *src, int src_stride)
-{
- void *dst;
- enum pipe_format format = pt->resource->format;
-
- if (src_stride == 0)
- src_stride = util_format_get_stride(format, w);
-
- if (u_clip_tile(x, y, &w, &h, &pt->box))
- return;
-
- dst = pipe->transfer_map(pipe, pt);
- assert(dst);
- if(!dst)
- return;
-
- util_copy_rect(dst, format, pt->stride, x, y, w, h, src, src_stride, 0, 0);
-
- pipe->transfer_unmap(pipe, pt);
-}
-
-
-
-
-/** Convert short in [-32768,32767] to GLfloat in [-1.0,1.0] */
-#define SHORT_TO_FLOAT(S) ((2.0F * (S) + 1.0F) * (1.0F/65535.0F))
-
-#define UNCLAMPED_FLOAT_TO_SHORT(us, f) \
- us = ( (short) ( CLAMP((f), -1.0, 1.0) * 32767.0F) )
-
-
-
-/*** PIPE_FORMAT_Z16_UNORM ***/
-
-/**
- * Return each Z value as four floats in [0,1].
- */
-static void
-z16_get_tile_rgba(const ushort *src,
- unsigned w, unsigned h,
- float *p,
- unsigned dst_stride)
-{
- const float scale = 1.0f / 65535.0f;
- unsigned i, j;
-
- for (i = 0; i < h; i++) {
- float *pRow = p;
- for (j = 0; j < w; j++, pRow += 4) {
- pRow[0] =
- pRow[1] =
- pRow[2] =
- pRow[3] = *src++ * scale;
- }
- p += dst_stride;
- }
-}
-
-
-
-
-/*** PIPE_FORMAT_Z32_UNORM ***/
-
-/**
- * Return each Z value as four floats in [0,1].
- */
-static void
-z32_get_tile_rgba(const unsigned *src,
- unsigned w, unsigned h,
- float *p,
- unsigned dst_stride)
-{
- const double scale = 1.0 / (double) 0xffffffff;
- unsigned i, j;
-
- for (i = 0; i < h; i++) {
- float *pRow = p;
- for (j = 0; j < w; j++, pRow += 4) {
- pRow[0] =
- pRow[1] =
- pRow[2] =
- pRow[3] = (float) (*src++ * scale);
- }
- p += dst_stride;
- }
-}
-
-
-/*** PIPE_FORMAT_Z24_UNORM_S8_USCALED ***/
-
-/**
- * Return Z component as four float in [0,1]. Stencil part ignored.
- */
-static void
-s8z24_get_tile_rgba(const unsigned *src,
- unsigned w, unsigned h,
- float *p,
- unsigned dst_stride)
-{
- const double scale = 1.0 / ((1 << 24) - 1);
- unsigned i, j;
-
- for (i = 0; i < h; i++) {
- float *pRow = p;
- for (j = 0; j < w; j++, pRow += 4) {
- pRow[0] =
- pRow[1] =
- pRow[2] =
- pRow[3] = (float) (scale * (*src++ & 0xffffff));
- }
- p += dst_stride;
- }
-}
-
-
-/*** PIPE_FORMAT_S8_USCALED_Z24_UNORM ***/
-
-/**
- * Return Z component as four float in [0,1]. Stencil part ignored.
- */
-static void
-z24s8_get_tile_rgba(const unsigned *src,
- unsigned w, unsigned h,
- float *p,
- unsigned dst_stride)
-{
- const double scale = 1.0 / ((1 << 24) - 1);
- unsigned i, j;
-
- for (i = 0; i < h; i++) {
- float *pRow = p;
- for (j = 0; j < w; j++, pRow += 4) {
- pRow[0] =
- pRow[1] =
- pRow[2] =
- pRow[3] = (float) (scale * (*src++ >> 8));
- }
- p += dst_stride;
- }
-}
-
-/*** PIPE_FORMAT_S8X24_USCALED ***/
-
-/**
- * Return S component as four uint32_t in [0..255]. Z part ignored.
- */
-static void
-s8x24_get_tile_rgba(const unsigned *src,
- unsigned w, unsigned h,
- float *p,
- unsigned dst_stride)
-{
- unsigned i, j;
-
- for (i = 0; i < h; i++) {
- float *pRow = p;
-
- for (j = 0; j < w; j++, pRow += 4) {
- pRow[0] =
- pRow[1] =
- pRow[2] =
- pRow[3] = (float)((*src++ >> 24) & 0xff);
- }
-
- p += dst_stride;
- }
-}
-
-/*** PIPE_FORMAT_X24S8_USCALED ***/
-
-/**
- * Return S component as four uint32_t in [0..255]. Z part ignored.
- */
-static void
-x24s8_get_tile_rgba(const unsigned *src,
- unsigned w, unsigned h,
- float *p,
- unsigned dst_stride)
-{
- unsigned i, j;
-
- for (i = 0; i < h; i++) {
- float *pRow = p;
- for (j = 0; j < w; j++, pRow += 4) {
- pRow[0] =
- pRow[1] =
- pRow[2] =
- pRow[3] = (float)(*src++ & 0xff);
- }
- p += dst_stride;
- }
-}
-
-
-/**
- * Return S component as four uint32_t in [0..255]. Z part ignored.
- */
-static void
-s8_get_tile_rgba(const unsigned char *src,
- unsigned w, unsigned h,
- float *p,
- unsigned dst_stride)
-{
- unsigned i, j;
-
- for (i = 0; i < h; i++) {
- float *pRow = p;
- for (j = 0; j < w; j++, pRow += 4) {
- pRow[0] =
- pRow[1] =
- pRow[2] =
- pRow[3] = (float)(*src++ & 0xff);
- }
- p += dst_stride;
- }
-}
-
-/*** PIPE_FORMAT_Z32_FLOAT ***/
-
-/**
- * Return each Z value as four floats in [0,1].
- */
-static void
-z32f_get_tile_rgba(const float *src,
- unsigned w, unsigned h,
- float *p,
- unsigned dst_stride)
-{
- unsigned i, j;
-
- for (i = 0; i < h; i++) {
- float *pRow = p;
- for (j = 0; j < w; j++, pRow += 4) {
- pRow[0] =
- pRow[1] =
- pRow[2] =
- pRow[3] = *src++;
- }
- p += dst_stride;
- }
-}
-
-
-void
-pipe_tile_raw_to_rgba(enum pipe_format format,
- void *src,
- uint w, uint h,
- float *dst, unsigned dst_stride)
-{
- switch (format) {
- case PIPE_FORMAT_Z16_UNORM:
- z16_get_tile_rgba((ushort *) src, w, h, dst, dst_stride);
- break;
- case PIPE_FORMAT_Z32_UNORM:
- z32_get_tile_rgba((unsigned *) src, w, h, dst, dst_stride);
- break;
- case PIPE_FORMAT_Z24_UNORM_S8_USCALED:
- case PIPE_FORMAT_Z24X8_UNORM:
- s8z24_get_tile_rgba((unsigned *) src, w, h, dst, dst_stride);
- break;
- case PIPE_FORMAT_S8_USCALED:
- s8_get_tile_rgba((unsigned char *) src, w, h, dst, dst_stride);
- break;
- case PIPE_FORMAT_X24S8_USCALED:
- s8x24_get_tile_rgba((unsigned *) src, w, h, dst, dst_stride);
- break;
- case PIPE_FORMAT_S8_USCALED_Z24_UNORM:
- case PIPE_FORMAT_X8Z24_UNORM:
- z24s8_get_tile_rgba((unsigned *) src, w, h, dst, dst_stride);
- break;
- case PIPE_FORMAT_S8X24_USCALED:
- x24s8_get_tile_rgba((unsigned *) src, w, h, dst, dst_stride);
- break;
- case PIPE_FORMAT_Z32_FLOAT:
- z32f_get_tile_rgba((float *) src, w, h, dst, dst_stride);
- break;
- default:
- util_format_read_4f(format,
- dst, dst_stride * sizeof(float),
- src, util_format_get_stride(format, w),
- 0, 0, w, h);
- }
-}
-
-
-void
-pipe_get_tile_rgba(struct pipe_context *pipe,
- struct pipe_transfer *pt,
- uint x, uint y, uint w, uint h,
- float *p)
-{
- pipe_get_tile_rgba_format(pipe, pt, x, y, w, h, pt->resource->format, p);
-}
-
-
-void
-pipe_get_tile_rgba_format(struct pipe_context *pipe,
- struct pipe_transfer *pt,
- uint x, uint y, uint w, uint h,
- enum pipe_format format,
- float *p)
-{
- unsigned dst_stride = w * 4;
- void *packed;
-
- if (u_clip_tile(x, y, &w, &h, &pt->box)) {
- return;
- }
-
- packed = MALLOC(util_format_get_nblocks(format, w, h) * util_format_get_blocksize(format));
- if (!packed) {
- return;
- }
-
- if (format == PIPE_FORMAT_UYVY || format == PIPE_FORMAT_YUYV) {
- assert((x & 1) == 0);
- }
-
- pipe_get_tile_raw(pipe, pt, x, y, w, h, packed, 0);
-
- pipe_tile_raw_to_rgba(format, packed, w, h, p, dst_stride);
-
- FREE(packed);
-}
-
-
-void
-pipe_put_tile_rgba(struct pipe_context *pipe,
- struct pipe_transfer *pt,
- uint x, uint y, uint w, uint h,
- const float *p)
-{
- pipe_put_tile_rgba_format(pipe, pt, x, y, w, h, pt->resource->format, p);
-}
-
-
-void
-pipe_put_tile_rgba_format(struct pipe_context *pipe,
- struct pipe_transfer *pt,
- uint x, uint y, uint w, uint h,
- enum pipe_format format,
- const float *p)
-{
- unsigned src_stride = w * 4;
- void *packed;
-
- if (u_clip_tile(x, y, &w, &h, &pt->box))
- return;
-
- packed = MALLOC(util_format_get_nblocks(format, w, h) * util_format_get_blocksize(format));
-
- if (!packed)
- return;
-
- switch (format) {
- case PIPE_FORMAT_Z16_UNORM:
- /*z16_put_tile_rgba((ushort *) packed, w, h, p, src_stride);*/
- break;
- case PIPE_FORMAT_Z32_UNORM:
- /*z32_put_tile_rgba((unsigned *) packed, w, h, p, src_stride);*/
- break;
- case PIPE_FORMAT_Z24_UNORM_S8_USCALED:
- case PIPE_FORMAT_Z24X8_UNORM:
- /*s8z24_put_tile_rgba((unsigned *) packed, w, h, p, src_stride);*/
- break;
- case PIPE_FORMAT_S8_USCALED_Z24_UNORM:
- case PIPE_FORMAT_X8Z24_UNORM:
- /*z24s8_put_tile_rgba((unsigned *) packed, w, h, p, src_stride);*/
- break;
- default:
- util_format_write_4f(format,
- p, src_stride * sizeof(float),
- packed, util_format_get_stride(format, w),
- 0, 0, w, h);
- }
-
- pipe_put_tile_raw(pipe, pt, x, y, w, h, packed, 0);
-
- FREE(packed);
-}
-
-
-/**
- * Get a block of Z values, converted to 32-bit range.
- */
-void
-pipe_get_tile_z(struct pipe_context *pipe,
- struct pipe_transfer *pt,
- uint x, uint y, uint w, uint h,
- uint *z)
-{
- const uint dstStride = w;
- ubyte *map;
- uint *pDest = z;
- uint i, j;
- enum pipe_format format = pt->resource->format;
-
- if (u_clip_tile(x, y, &w, &h, &pt->box))
- return;
-
- map = (ubyte *)pipe->transfer_map(pipe, pt);
- if (!map) {
- assert(0);
- return;
- }
-
- switch (format) {
- case PIPE_FORMAT_Z32_UNORM:
- {
- const uint *ptrc
- = (const uint *)(map + y * pt->stride + x*4);
- for (i = 0; i < h; i++) {
- memcpy(pDest, ptrc, 4 * w);
- pDest += dstStride;
- ptrc += pt->stride/4;
- }
- }
- break;
- case PIPE_FORMAT_Z24_UNORM_S8_USCALED:
- case PIPE_FORMAT_Z24X8_UNORM:
- {
- const uint *ptrc
- = (const uint *)(map + y * pt->stride + x*4);
- for (i = 0; i < h; i++) {
- for (j = 0; j < w; j++) {
- /* convert 24-bit Z to 32-bit Z */
- pDest[j] = (ptrc[j] << 8) | ((ptrc[j] >> 16) & 0xff);
- }
- pDest += dstStride;
- ptrc += pt->stride/4;
- }
- }
- break;
- case PIPE_FORMAT_S8_USCALED_Z24_UNORM:
- case PIPE_FORMAT_X8Z24_UNORM:
- {
- const uint *ptrc
- = (const uint *)(map + y * pt->stride + x*4);
- for (i = 0; i < h; i++) {
- for (j = 0; j < w; j++) {
- /* convert 24-bit Z to 32-bit Z */
- pDest[j] = (ptrc[j] & 0xffffff00) | ((ptrc[j] >> 24) & 0xff);
- }
- pDest += dstStride;
- ptrc += pt->stride/4;
- }
- }
- break;
- case PIPE_FORMAT_Z16_UNORM:
- {
- const ushort *ptrc
- = (const ushort *)(map + y * pt->stride + x*2);
- for (i = 0; i < h; i++) {
- for (j = 0; j < w; j++) {
- /* convert 16-bit Z to 32-bit Z */
- pDest[j] = (ptrc[j] << 16) | ptrc[j];
- }
- pDest += dstStride;
- ptrc += pt->stride/2;
- }
- }
- break;
- default:
- assert(0);
- }
-
- pipe->transfer_unmap(pipe, pt);
-}
-
-
-void
-pipe_put_tile_z(struct pipe_context *pipe,
- struct pipe_transfer *pt,
- uint x, uint y, uint w, uint h,
- const uint *zSrc)
-{
- const uint srcStride = w;
- const uint *ptrc = zSrc;
- ubyte *map;
- uint i, j;
- enum pipe_format format = pt->resource->format;
-
- if (u_clip_tile(x, y, &w, &h, &pt->box))
- return;
-
- map = (ubyte *)pipe->transfer_map(pipe, pt);
- if (!map) {
- assert(0);
- return;
- }
-
- switch (format) {
- case PIPE_FORMAT_Z32_UNORM:
- {
- uint *pDest = (uint *) (map + y * pt->stride + x*4);
- for (i = 0; i < h; i++) {
- memcpy(pDest, ptrc, 4 * w);
- pDest += pt->stride/4;
- ptrc += srcStride;
- }
- }
- break;
- case PIPE_FORMAT_Z24_UNORM_S8_USCALED:
- {
- uint *pDest = (uint *) (map + y * pt->stride + x*4);
- /*assert((pt->usage & PIPE_TRANSFER_READ_WRITE) == PIPE_TRANSFER_READ_WRITE);*/
- for (i = 0; i < h; i++) {
- for (j = 0; j < w; j++) {
- /* convert 32-bit Z to 24-bit Z, preserve stencil */
- pDest[j] = (pDest[j] & 0xff000000) | ptrc[j] >> 8;
- }
- pDest += pt->stride/4;
- ptrc += srcStride;
- }
- }
- break;
- case PIPE_FORMAT_Z24X8_UNORM:
- {
- uint *pDest = (uint *) (map + y * pt->stride + x*4);
- for (i = 0; i < h; i++) {
- for (j = 0; j < w; j++) {
- /* convert 32-bit Z to 24-bit Z (0 stencil) */
- pDest[j] = ptrc[j] >> 8;
- }
- pDest += pt->stride/4;
- ptrc += srcStride;
- }
- }
- break;
- case PIPE_FORMAT_S8_USCALED_Z24_UNORM:
- {
- uint *pDest = (uint *) (map + y * pt->stride + x*4);
- /*assert((pt->usage & PIPE_TRANSFER_READ_WRITE) == PIPE_TRANSFER_READ_WRITE);*/
- for (i = 0; i < h; i++) {
- for (j = 0; j < w; j++) {
- /* convert 32-bit Z to 24-bit Z, preserve stencil */
- pDest[j] = (pDest[j] & 0xff) | (ptrc[j] & 0xffffff00);
- }
- pDest += pt->stride/4;
- ptrc += srcStride;
- }
- }
- break;
- case PIPE_FORMAT_X8Z24_UNORM:
- {
- uint *pDest = (uint *) (map + y * pt->stride + x*4);
- for (i = 0; i < h; i++) {
- for (j = 0; j < w; j++) {
- /* convert 32-bit Z to 24-bit Z (0 stencil) */
- pDest[j] = ptrc[j] & 0xffffff00;
- }
- pDest += pt->stride/4;
- ptrc += srcStride;
- }
- }
- break;
- case PIPE_FORMAT_Z16_UNORM:
- {
- ushort *pDest = (ushort *) (map + y * pt->stride + x*2);
- for (i = 0; i < h; i++) {
- for (j = 0; j < w; j++) {
- /* convert 32-bit Z to 16-bit Z */
- pDest[j] = ptrc[j] >> 16;
- }
- pDest += pt->stride/2;
- ptrc += srcStride;
- }
- }
- break;
- default:
- assert(0);
- }
-
- pipe->transfer_unmap(pipe, pt);
-}
-
-
+/************************************************************************** + * + * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * 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, sub license, 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 (including the + * next paragraph) 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 NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS 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. + * + **************************************************************************/ + +/** + * RGBA/float tile get/put functions. + * Usable both by drivers and state trackers. + */ + + +#include "pipe/p_defines.h" +#include "util/u_inlines.h" + +#include "util/u_format.h" +#include "util/u_math.h" +#include "util/u_memory.h" +#include "util/u_rect.h" +#include "util/u_tile.h" + + +/** + * Move raw block of pixels from transfer object to user memory. + */ +void +pipe_get_tile_raw(struct pipe_context *pipe, + struct pipe_transfer *pt, + uint x, uint y, uint w, uint h, + void *dst, int dst_stride) +{ + const void *src; + + if (dst_stride == 0) + dst_stride = util_format_get_stride(pt->resource->format, w); + + if (u_clip_tile(x, y, &w, &h, &pt->box)) + return; + + src = pipe->transfer_map(pipe, pt); + assert(src); + if(!src) + return; + + util_copy_rect(dst, pt->resource->format, dst_stride, 0, 0, w, h, src, pt->stride, x, y); + + pipe->transfer_unmap(pipe, pt); +} + + +/** + * Move raw block of pixels from user memory to transfer object. + */ +void +pipe_put_tile_raw(struct pipe_context *pipe, + struct pipe_transfer *pt, + uint x, uint y, uint w, uint h, + const void *src, int src_stride) +{ + void *dst; + enum pipe_format format = pt->resource->format; + + if (src_stride == 0) + src_stride = util_format_get_stride(format, w); + + if (u_clip_tile(x, y, &w, &h, &pt->box)) + return; + + dst = pipe->transfer_map(pipe, pt); + assert(dst); + if(!dst) + return; + + util_copy_rect(dst, format, pt->stride, x, y, w, h, src, src_stride, 0, 0); + + pipe->transfer_unmap(pipe, pt); +} + + + + +/** Convert short in [-32768,32767] to GLfloat in [-1.0,1.0] */ +#define SHORT_TO_FLOAT(S) ((2.0F * (S) + 1.0F) * (1.0F/65535.0F)) + +#define UNCLAMPED_FLOAT_TO_SHORT(us, f) \ + us = ( (short) ( CLAMP((f), -1.0, 1.0) * 32767.0F) ) + + + +/*** PIPE_FORMAT_Z16_UNORM ***/ + +/** + * Return each Z value as four floats in [0,1]. + */ +static void +z16_get_tile_rgba(const ushort *src, + unsigned w, unsigned h, + float *p, + unsigned dst_stride) +{ + const float scale = 1.0f / 65535.0f; + unsigned i, j; + + for (i = 0; i < h; i++) { + float *pRow = p; + for (j = 0; j < w; j++, pRow += 4) { + pRow[0] = + pRow[1] = + pRow[2] = + pRow[3] = *src++ * scale; + } + p += dst_stride; + } +} + + + + +/*** PIPE_FORMAT_Z32_UNORM ***/ + +/** + * Return each Z value as four floats in [0,1]. + */ +static void +z32_get_tile_rgba(const unsigned *src, + unsigned w, unsigned h, + float *p, + unsigned dst_stride) +{ + const double scale = 1.0 / (double) 0xffffffff; + unsigned i, j; + + for (i = 0; i < h; i++) { + float *pRow = p; + for (j = 0; j < w; j++, pRow += 4) { + pRow[0] = + pRow[1] = + pRow[2] = + pRow[3] = (float) (*src++ * scale); + } + p += dst_stride; + } +} + + +/*** PIPE_FORMAT_Z24_UNORM_S8_USCALED ***/ + +/** + * Return Z component as four float in [0,1]. Stencil part ignored. + */ +static void +s8z24_get_tile_rgba(const unsigned *src, + unsigned w, unsigned h, + float *p, + unsigned dst_stride) +{ + const double scale = 1.0 / ((1 << 24) - 1); + unsigned i, j; + + for (i = 0; i < h; i++) { + float *pRow = p; + for (j = 0; j < w; j++, pRow += 4) { + pRow[0] = + pRow[1] = + pRow[2] = + pRow[3] = (float) (scale * (*src++ & 0xffffff)); + } + p += dst_stride; + } +} + + +/*** PIPE_FORMAT_S8_USCALED_Z24_UNORM ***/ + +/** + * Return Z component as four float in [0,1]. Stencil part ignored. + */ +static void +z24s8_get_tile_rgba(const unsigned *src, + unsigned w, unsigned h, + float *p, + unsigned dst_stride) +{ + const double scale = 1.0 / ((1 << 24) - 1); + unsigned i, j; + + for (i = 0; i < h; i++) { + float *pRow = p; + for (j = 0; j < w; j++, pRow += 4) { + pRow[0] = + pRow[1] = + pRow[2] = + pRow[3] = (float) (scale * (*src++ >> 8)); + } + p += dst_stride; + } +} + +/*** PIPE_FORMAT_S8X24_USCALED ***/ + +/** + * Return S component as four uint32_t in [0..255]. Z part ignored. + */ +static void +s8x24_get_tile_rgba(const unsigned *src, + unsigned w, unsigned h, + float *p, + unsigned dst_stride) +{ + unsigned i, j; + + for (i = 0; i < h; i++) { + float *pRow = p; + + for (j = 0; j < w; j++, pRow += 4) { + pRow[0] = + pRow[1] = + pRow[2] = + pRow[3] = (float)((*src++ >> 24) & 0xff); + } + + p += dst_stride; + } +} + +/*** PIPE_FORMAT_X24S8_USCALED ***/ + +/** + * Return S component as four uint32_t in [0..255]. Z part ignored. + */ +static void +x24s8_get_tile_rgba(const unsigned *src, + unsigned w, unsigned h, + float *p, + unsigned dst_stride) +{ + unsigned i, j; + + for (i = 0; i < h; i++) { + float *pRow = p; + for (j = 0; j < w; j++, pRow += 4) { + pRow[0] = + pRow[1] = + pRow[2] = + pRow[3] = (float)(*src++ & 0xff); + } + p += dst_stride; + } +} + + +/** + * Return S component as four uint32_t in [0..255]. Z part ignored. + */ +static void +s8_get_tile_rgba(const unsigned char *src, + unsigned w, unsigned h, + float *p, + unsigned dst_stride) +{ + unsigned i, j; + + for (i = 0; i < h; i++) { + float *pRow = p; + for (j = 0; j < w; j++, pRow += 4) { + pRow[0] = + pRow[1] = + pRow[2] = + pRow[3] = (float)(*src++ & 0xff); + } + p += dst_stride; + } +} + +/*** PIPE_FORMAT_Z32_FLOAT ***/ + +/** + * Return each Z value as four floats in [0,1]. + */ +static void +z32f_get_tile_rgba(const float *src, + unsigned w, unsigned h, + float *p, + unsigned dst_stride) +{ + unsigned i, j; + + for (i = 0; i < h; i++) { + float *pRow = p; + for (j = 0; j < w; j++, pRow += 4) { + pRow[0] = + pRow[1] = + pRow[2] = + pRow[3] = *src++; + } + p += dst_stride; + } +} + +/*** PIPE_FORMAT_Z32_FLOAT_S8X24_USCALED ***/ + +/** + * Return each Z value as four floats in [0,1]. + */ +static void +z32f_x24s8_get_tile_rgba(const float *src, + unsigned w, unsigned h, + float *p, + unsigned dst_stride) +{ + unsigned i, j; + + for (i = 0; i < h; i++) { + float *pRow = p; + for (j = 0; j < w; j++, pRow += 4) { + pRow[0] = + pRow[1] = + pRow[2] = + pRow[3] = *src; + src += 2; + } + p += dst_stride; + } +} + + +void +pipe_tile_raw_to_rgba(enum pipe_format format, + void *src, + uint w, uint h, + float *dst, unsigned dst_stride) +{ + switch (format) { + case PIPE_FORMAT_Z16_UNORM: + z16_get_tile_rgba((ushort *) src, w, h, dst, dst_stride); + break; + case PIPE_FORMAT_Z32_UNORM: + z32_get_tile_rgba((unsigned *) src, w, h, dst, dst_stride); + break; + case PIPE_FORMAT_Z24_UNORM_S8_USCALED: + case PIPE_FORMAT_Z24X8_UNORM: + s8z24_get_tile_rgba((unsigned *) src, w, h, dst, dst_stride); + break; + case PIPE_FORMAT_S8_USCALED: + s8_get_tile_rgba((unsigned char *) src, w, h, dst, dst_stride); + break; + case PIPE_FORMAT_X24S8_USCALED: + s8x24_get_tile_rgba((unsigned *) src, w, h, dst, dst_stride); + break; + case PIPE_FORMAT_S8_USCALED_Z24_UNORM: + case PIPE_FORMAT_X8Z24_UNORM: + z24s8_get_tile_rgba((unsigned *) src, w, h, dst, dst_stride); + break; + case PIPE_FORMAT_S8X24_USCALED: + x24s8_get_tile_rgba((unsigned *) src, w, h, dst, dst_stride); + break; + case PIPE_FORMAT_Z32_FLOAT: + z32f_get_tile_rgba((float *) src, w, h, dst, dst_stride); + break; + case PIPE_FORMAT_Z32_FLOAT_S8X24_USCALED: + z32f_x24s8_get_tile_rgba((float *) src, w, h, dst, dst_stride); + break; + default: + util_format_read_4f(format, + dst, dst_stride * sizeof(float), + src, util_format_get_stride(format, w), + 0, 0, w, h); + } +} + + +void +pipe_get_tile_rgba(struct pipe_context *pipe, + struct pipe_transfer *pt, + uint x, uint y, uint w, uint h, + float *p) +{ + pipe_get_tile_rgba_format(pipe, pt, x, y, w, h, pt->resource->format, p); +} + + +void +pipe_get_tile_rgba_format(struct pipe_context *pipe, + struct pipe_transfer *pt, + uint x, uint y, uint w, uint h, + enum pipe_format format, + float *p) +{ + unsigned dst_stride = w * 4; + void *packed; + + if (u_clip_tile(x, y, &w, &h, &pt->box)) { + return; + } + + packed = MALLOC(util_format_get_nblocks(format, w, h) * util_format_get_blocksize(format)); + if (!packed) { + return; + } + + if (format == PIPE_FORMAT_UYVY || format == PIPE_FORMAT_YUYV) { + assert((x & 1) == 0); + } + + pipe_get_tile_raw(pipe, pt, x, y, w, h, packed, 0); + + pipe_tile_raw_to_rgba(format, packed, w, h, p, dst_stride); + + FREE(packed); +} + + +void +pipe_put_tile_rgba(struct pipe_context *pipe, + struct pipe_transfer *pt, + uint x, uint y, uint w, uint h, + const float *p) +{ + pipe_put_tile_rgba_format(pipe, pt, x, y, w, h, pt->resource->format, p); +} + + +void +pipe_put_tile_rgba_format(struct pipe_context *pipe, + struct pipe_transfer *pt, + uint x, uint y, uint w, uint h, + enum pipe_format format, + const float *p) +{ + unsigned src_stride = w * 4; + void *packed; + + if (u_clip_tile(x, y, &w, &h, &pt->box)) + return; + + packed = MALLOC(util_format_get_nblocks(format, w, h) * util_format_get_blocksize(format)); + + if (!packed) + return; + + switch (format) { + case PIPE_FORMAT_Z16_UNORM: + /*z16_put_tile_rgba((ushort *) packed, w, h, p, src_stride);*/ + break; + case PIPE_FORMAT_Z32_UNORM: + /*z32_put_tile_rgba((unsigned *) packed, w, h, p, src_stride);*/ + break; + case PIPE_FORMAT_Z24_UNORM_S8_USCALED: + case PIPE_FORMAT_Z24X8_UNORM: + /*s8z24_put_tile_rgba((unsigned *) packed, w, h, p, src_stride);*/ + break; + case PIPE_FORMAT_S8_USCALED_Z24_UNORM: + case PIPE_FORMAT_X8Z24_UNORM: + /*z24s8_put_tile_rgba((unsigned *) packed, w, h, p, src_stride);*/ + break; + case PIPE_FORMAT_Z32_FLOAT: + /*z32f_put_tile_rgba((unsigned *) packed, w, h, p, src_stride);*/ + break; + case PIPE_FORMAT_Z32_FLOAT_S8X24_USCALED: + /*z32f_s8x24_put_tile_rgba((unsigned *) packed, w, h, p, src_stride);*/ + break; + default: + util_format_write_4f(format, + p, src_stride * sizeof(float), + packed, util_format_get_stride(format, w), + 0, 0, w, h); + } + + pipe_put_tile_raw(pipe, pt, x, y, w, h, packed, 0); + + FREE(packed); +} + + +/** + * Get a block of Z values, converted to 32-bit range. + */ +void +pipe_get_tile_z(struct pipe_context *pipe, + struct pipe_transfer *pt, + uint x, uint y, uint w, uint h, + uint *z) +{ + const uint dstStride = w; + ubyte *map; + uint *pDest = z; + uint i, j; + enum pipe_format format = pt->resource->format; + + if (u_clip_tile(x, y, &w, &h, &pt->box)) + return; + + map = (ubyte *)pipe->transfer_map(pipe, pt); + if (!map) { + assert(0); + return; + } + + switch (format) { + case PIPE_FORMAT_Z32_UNORM: + { + const uint *ptrc + = (const uint *)(map + y * pt->stride + x*4); + for (i = 0; i < h; i++) { + memcpy(pDest, ptrc, 4 * w); + pDest += dstStride; + ptrc += pt->stride/4; + } + } + break; + case PIPE_FORMAT_Z24_UNORM_S8_USCALED: + case PIPE_FORMAT_Z24X8_UNORM: + { + const uint *ptrc + = (const uint *)(map + y * pt->stride + x*4); + for (i = 0; i < h; i++) { + for (j = 0; j < w; j++) { + /* convert 24-bit Z to 32-bit Z */ + pDest[j] = (ptrc[j] << 8) | ((ptrc[j] >> 16) & 0xff); + } + pDest += dstStride; + ptrc += pt->stride/4; + } + } + break; + case PIPE_FORMAT_S8_USCALED_Z24_UNORM: + case PIPE_FORMAT_X8Z24_UNORM: + { + const uint *ptrc + = (const uint *)(map + y * pt->stride + x*4); + for (i = 0; i < h; i++) { + for (j = 0; j < w; j++) { + /* convert 24-bit Z to 32-bit Z */ + pDest[j] = (ptrc[j] & 0xffffff00) | ((ptrc[j] >> 24) & 0xff); + } + pDest += dstStride; + ptrc += pt->stride/4; + } + } + break; + case PIPE_FORMAT_Z16_UNORM: + { + const ushort *ptrc + = (const ushort *)(map + y * pt->stride + x*2); + for (i = 0; i < h; i++) { + for (j = 0; j < w; j++) { + /* convert 16-bit Z to 32-bit Z */ + pDest[j] = (ptrc[j] << 16) | ptrc[j]; + } + pDest += dstStride; + ptrc += pt->stride/2; + } + } + break; + default: + assert(0); + } + + pipe->transfer_unmap(pipe, pt); +} + + +void +pipe_put_tile_z(struct pipe_context *pipe, + struct pipe_transfer *pt, + uint x, uint y, uint w, uint h, + const uint *zSrc) +{ + const uint srcStride = w; + const uint *ptrc = zSrc; + ubyte *map; + uint i, j; + enum pipe_format format = pt->resource->format; + + if (u_clip_tile(x, y, &w, &h, &pt->box)) + return; + + map = (ubyte *)pipe->transfer_map(pipe, pt); + if (!map) { + assert(0); + return; + } + + switch (format) { + case PIPE_FORMAT_Z32_UNORM: + { + uint *pDest = (uint *) (map + y * pt->stride + x*4); + for (i = 0; i < h; i++) { + memcpy(pDest, ptrc, 4 * w); + pDest += pt->stride/4; + ptrc += srcStride; + } + } + break; + case PIPE_FORMAT_Z24_UNORM_S8_USCALED: + { + uint *pDest = (uint *) (map + y * pt->stride + x*4); + /*assert((pt->usage & PIPE_TRANSFER_READ_WRITE) == PIPE_TRANSFER_READ_WRITE);*/ + for (i = 0; i < h; i++) { + for (j = 0; j < w; j++) { + /* convert 32-bit Z to 24-bit Z, preserve stencil */ + pDest[j] = (pDest[j] & 0xff000000) | ptrc[j] >> 8; + } + pDest += pt->stride/4; + ptrc += srcStride; + } + } + break; + case PIPE_FORMAT_Z24X8_UNORM: + { + uint *pDest = (uint *) (map + y * pt->stride + x*4); + for (i = 0; i < h; i++) { + for (j = 0; j < w; j++) { + /* convert 32-bit Z to 24-bit Z (0 stencil) */ + pDest[j] = ptrc[j] >> 8; + } + pDest += pt->stride/4; + ptrc += srcStride; + } + } + break; + case PIPE_FORMAT_S8_USCALED_Z24_UNORM: + { + uint *pDest = (uint *) (map + y * pt->stride + x*4); + /*assert((pt->usage & PIPE_TRANSFER_READ_WRITE) == PIPE_TRANSFER_READ_WRITE);*/ + for (i = 0; i < h; i++) { + for (j = 0; j < w; j++) { + /* convert 32-bit Z to 24-bit Z, preserve stencil */ + pDest[j] = (pDest[j] & 0xff) | (ptrc[j] & 0xffffff00); + } + pDest += pt->stride/4; + ptrc += srcStride; + } + } + break; + case PIPE_FORMAT_X8Z24_UNORM: + { + uint *pDest = (uint *) (map + y * pt->stride + x*4); + for (i = 0; i < h; i++) { + for (j = 0; j < w; j++) { + /* convert 32-bit Z to 24-bit Z (0 stencil) */ + pDest[j] = ptrc[j] & 0xffffff00; + } + pDest += pt->stride/4; + ptrc += srcStride; + } + } + break; + case PIPE_FORMAT_Z16_UNORM: + { + ushort *pDest = (ushort *) (map + y * pt->stride + x*2); + for (i = 0; i < h; i++) { + for (j = 0; j < w; j++) { + /* convert 32-bit Z to 16-bit Z */ + pDest[j] = ptrc[j] >> 16; + } + pDest += pt->stride/2; + ptrc += srcStride; + } + } + break; + default: + assert(0); + } + + pipe->transfer_unmap(pipe, pt); +} + + |