diff options
author | Keith Whitwell <keith@tungstengraphics.com> | 2008-09-11 16:05:15 +0100 |
---|---|---|
committer | Keith Whitwell <keith@tungstengraphics.com> | 2008-09-11 16:05:15 +0100 |
commit | 0397b2bb41b0f337af2949a15bcd7d0e7e8a7dc1 (patch) | |
tree | 732c93d74ed806942a13bf15575a61aa4f001253 /src/gallium/state_trackers/python/st_sample.c | |
parent | 80af50b35b5a4e8890e15b28940576f8a1ac1476 (diff) | |
parent | e6887a5752774c18cf527477fdd3e57e4893ff3b (diff) |
Merge branch 'gallium-0.1' into gallium-0.2
A first attempt at moving gallium onto a branch directly off master...
It will be interesting to see how much work this takes to get running.
Have resolved the conflicts semi-arbitarily, not compiled or tested.
Conflicts:
.gitignore
Makefile
configs/config.mgw
configs/darwin
configs/darwin-x86ppc
configs/default
configs/freebsd-dri
configs/linux-dri
configs/linux-dri-xcb
configs/linux-fbdev
configs/linux-static
configs/linux-x86-64-static
configs/linux-x86-static
doxygen/Makefile
include/GL/gl.h
progs/demos/Makefile
progs/demos/descrip.mms
progs/demos/texenv.c
progs/egl/.gitignore
progs/egl/Makefile
progs/glsl/.gitignore
progs/glsl/Makefile
progs/glsl/convolutions.c
progs/samples/Makefile.mgw
progs/tests/.gitignore
progs/trivial/.gitignore
progs/trivial/point-param.c
progs/trivial/tri.c
progs/xdemos/.gitignore
progs/xdemos/glthreads.c
src/egl/drivers/demo/Makefile
src/egl/drivers/dri/Makefile
src/egl/main/Makefile
src/glu/Makefile
src/glu/sgi/Makefile
src/glu/sgi/Makefile.mgw
src/glut/glx/Makefile.mgw
src/glut/os2/WarpWin.cpp
src/glut/os2/glut_cindex.cpp
src/glut/os2/glut_gamemode.cpp
src/glut/os2/glut_win.cpp
src/glut/os2/glut_winmisc.cpp
src/glut/os2/os2_glx.cpp
src/glut/os2/os2_menu.cpp
src/glut/os2/os2_winproc.cpp
src/glw/Makefile
src/glx/x11/dri_glx.c
src/glx/x11/glxext.c
src/mesa/Makefile
src/mesa/Makefile.mgw
src/mesa/descrip.mms
src/mesa/drivers/beos/Makefile
src/mesa/drivers/common/descrip.mms
src/mesa/drivers/common/driverfuncs.c
src/mesa/drivers/directfb/Makefile
src/mesa/drivers/dri/Makefile.template
src/mesa/drivers/dri/common/dri_bufmgr.c
src/mesa/drivers/dri/common/dri_bufmgr.h
src/mesa/drivers/dri/common/dri_util.c
src/mesa/drivers/dri/common/extension_helper.h
src/mesa/drivers/dri/common/mmio.h
src/mesa/drivers/dri/common/utils.c
src/mesa/drivers/dri/common/utils.h
src/mesa/drivers/dri/glcore/Makefile
src/mesa/drivers/dri/i810/i810screen.c
src/mesa/drivers/dri/i915/intel_ioctl.c
src/mesa/drivers/dri/i915/intel_ioctl.h
src/mesa/drivers/dri/i915/intel_screen.c
src/mesa/drivers/dri/i915/server/i830_common.h
src/mesa/drivers/dri/i915/server/i830_dri.h
src/mesa/drivers/dri/i965/intel_screen.c
src/mesa/drivers/dri/i965/server/i830_common.h
src/mesa/drivers/dri/i965/server/i830_dri.h
src/mesa/drivers/dri/mach64/mach64_screen.c
src/mesa/drivers/dri/nouveau/nouveau_context.h
src/mesa/drivers/dri/nouveau/nouveau_fifo.c
src/mesa/drivers/dri/nouveau/nouveau_fifo.h
src/mesa/drivers/dri/nouveau/nouveau_screen.c
src/mesa/drivers/dri/nouveau/nouveau_screen.h
src/mesa/drivers/dri/r128/r128_tex.h
src/mesa/drivers/dri/savage/savageioctl.h
src/mesa/drivers/fbdev/Makefile
src/mesa/drivers/osmesa/Makefile
src/mesa/drivers/osmesa/descrip.mms
src/mesa/drivers/x11/Makefile
src/mesa/drivers/x11/descrip.mms
src/mesa/drivers/x11/xm_dd.c
src/mesa/glapi/glapi.c
src/mesa/glapi/glthread.c
src/mesa/main/api_validate.c
src/mesa/main/attrib.c
src/mesa/main/bufferobj.c
src/mesa/main/bufferobj.h
src/mesa/main/buffers.c
src/mesa/main/config.h
src/mesa/main/context.c
src/mesa/main/descrip.mms
src/mesa/main/drawpix.c
src/mesa/main/enums.c
src/mesa/main/fbobject.c
src/mesa/main/glheader.h
src/mesa/main/imports.c
src/mesa/main/mipmap.c
src/mesa/main/mm.c
src/mesa/main/mm.h
src/mesa/main/mtypes.h
src/mesa/main/points.c
src/mesa/main/sources
src/mesa/main/state.c
src/mesa/main/texcompress_fxt1.c
src/mesa/main/texenvprogram.c
src/mesa/main/texobj.c
src/mesa/main/texstate.c
src/mesa/main/texstore.c
src/mesa/math/descrip.mms
src/mesa/shader/arbprogram.c
src/mesa/shader/descrip.mms
src/mesa/shader/prog_execute.c
src/mesa/shader/prog_statevars.c
src/mesa/shader/prog_statevars.h
src/mesa/shader/prog_uniform.c
src/mesa/shader/program.c
src/mesa/shader/program.h
src/mesa/shader/shader_api.c
src/mesa/shader/slang/descrip.mms
src/mesa/shader/slang/library/slang_vertex_builtin_gc.h
src/mesa/sources
src/mesa/swrast/descrip.mms
src/mesa/swrast/s_drawpix.c
src/mesa/swrast/s_fragprog.c
src/mesa/swrast/s_readpix.c
src/mesa/swrast/s_span.c
src/mesa/swrast_setup/descrip.mms
src/mesa/tnl/descrip.mms
src/mesa/tnl/t_context.h
src/mesa/tnl/t_vp_build.c
src/mesa/tnl/tnl.h
src/mesa/vbo/descrip.mms
src/mesa/vbo/vbo_context.c
src/mesa/vbo/vbo_exec_array.c
src/mesa/x86-64/xform4.S
src/mesa/x86/rtasm/x86sse.c
src/mesa/x86/rtasm/x86sse.h
windows/VC6/progs/glut/glut.dsp
windows/VC7/mesa/gdi/gdi.vcproj
windows/VC7/mesa/glu/glu.vcproj
windows/VC7/mesa/mesa.sln
windows/VC7/mesa/mesa/mesa.vcproj
windows/VC7/mesa/osmesa/osmesa.vcproj
windows/VC7/progs/glut/glut.vcproj
windows/VC8/mesa/gdi/gdi.vcproj
windows/VC8/mesa/glu/glu.vcproj
windows/VC8/mesa/mesa.sln
windows/VC8/mesa/mesa/mesa.vcproj
windows/VC8/progs/glut/glut.vcproj
Diffstat (limited to 'src/gallium/state_trackers/python/st_sample.c')
-rw-r--r-- | src/gallium/state_trackers/python/st_sample.c | 549 |
1 files changed, 549 insertions, 0 deletions
diff --git a/src/gallium/state_trackers/python/st_sample.c b/src/gallium/state_trackers/python/st_sample.c new file mode 100644 index 0000000000..7765df3c4a --- /dev/null +++ b/src/gallium/state_trackers/python/st_sample.c @@ -0,0 +1,549 @@ +/************************************************************************** + * + * 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. + * + **************************************************************************/ + + +#include "pipe/p_compiler.h" +#include "pipe/p_format.h" +#include "pipe/p_state.h" +#include "pipe/p_inlines.h" +#include "util/u_tile.h" +#include "util/u_math.h" +#include "util/u_memory.h" + +#include "st_sample.h" + + +/** + * Use our own pseudo random generator to ensure consistent runs among + * multiple runs and platforms. + * + * @sa http://en.wikipedia.org/wiki/Linear_congruential_generator + */ +static uint32_t st_random(void) { + static uint64_t seed = UINT64_C(0xbb9a063afb0a739d); + + seed = UINT64_C(134775813) * seed + UINT64_C(1); + + return (uint16_t)(seed >> 32); +} + + +/** + * We don't want to include the patent-encumbered DXT code here, so instead + * we store several uncompressed/compressed data pairs for hardware testing + * purposes. + */ +struct dxt_data +{ + uint8_t rgba[16*4]; + uint8_t raw[16]; +}; + + +static const struct dxt_data +dxt1_rgb_data[] = { + { + { + 0x99, 0xb0, 0x8e, 0xff, + 0x5d, 0x62, 0x89, 0xff, + 0x99, 0xb0, 0x8e, 0xff, + 0x99, 0xb0, 0x8e, 0xff, + 0xd6, 0xff, 0x94, 0xff, + 0x5d, 0x62, 0x89, 0xff, + 0x99, 0xb0, 0x8e, 0xff, + 0xd6, 0xff, 0x94, 0xff, + 0x5d, 0x62, 0x89, 0xff, + 0x5d, 0x62, 0x89, 0xff, + 0x99, 0xb0, 0x8e, 0xff, + 0x21, 0x14, 0x84, 0xff, + 0x5d, 0x62, 0x89, 0xff, + 0x21, 0x14, 0x84, 0xff, + 0x21, 0x14, 0x84, 0xff, + 0x99, 0xb0, 0x8e, 0xff + }, + {0xf2, 0xd7, 0xb0, 0x20, 0xae, 0x2c, 0x6f, 0x97} + }, + { + { + 0xb5, 0xcf, 0x9c, 0xff, + 0x83, 0x8c, 0x8b, 0xff, + 0x21, 0x08, 0x6b, 0xff, + 0x83, 0x8c, 0x8b, 0xff, + 0x52, 0x4a, 0x7b, 0xff, + 0x83, 0x8c, 0x8b, 0xff, + 0x83, 0x8c, 0x8b, 0xff, + 0xb5, 0xcf, 0x9c, 0xff, + 0x21, 0x08, 0x6b, 0xff, + 0xb5, 0xcf, 0x9c, 0xff, + 0x83, 0x8c, 0x8b, 0xff, + 0x52, 0x4a, 0x7b, 0xff, + 0xb5, 0xcf, 0x9c, 0xff, + 0x83, 0x8c, 0x8b, 0xff, + 0x52, 0x4a, 0x7b, 0xff, + 0x83, 0x8c, 0x8b, 0xff + }, + {0x73, 0xb6, 0x4d, 0x20, 0x98, 0x2b, 0xe1, 0xb8} + }, + { + { + 0x00, 0x2c, 0xff, 0xff, + 0x94, 0x8d, 0x7b, 0xff, + 0x4a, 0x5c, 0xbd, 0xff, + 0x4a, 0x5c, 0xbd, 0xff, + 0x4a, 0x5c, 0xbd, 0xff, + 0x94, 0x8d, 0x7b, 0xff, + 0x94, 0x8d, 0x7b, 0xff, + 0x94, 0x8d, 0x7b, 0xff, + 0xde, 0xbe, 0x39, 0xff, + 0x94, 0x8d, 0x7b, 0xff, + 0xde, 0xbe, 0x39, 0xff, + 0xde, 0xbe, 0x39, 0xff, + 0xde, 0xbe, 0x39, 0xff, + 0xde, 0xbe, 0x39, 0xff, + 0xde, 0xbe, 0x39, 0xff, + 0x94, 0x8d, 0x7b, 0xff + }, + {0xe7, 0xdd, 0x7f, 0x01, 0xf9, 0xab, 0x08, 0x80} + }, + { + { + 0x6b, 0x24, 0x21, 0xff, + 0x7b, 0x4f, 0x5d, 0xff, + 0x7b, 0x4f, 0x5d, 0xff, + 0x8b, 0x7a, 0x99, 0xff, + 0x7b, 0x4f, 0x5d, 0xff, + 0x7b, 0x4f, 0x5d, 0xff, + 0x6b, 0x24, 0x21, 0xff, + 0x8b, 0x7a, 0x99, 0xff, + 0x9c, 0xa6, 0xd6, 0xff, + 0x6b, 0x24, 0x21, 0xff, + 0x7b, 0x4f, 0x5d, 0xff, + 0x8b, 0x7a, 0x99, 0xff, + 0x6b, 0x24, 0x21, 0xff, + 0x8b, 0x7a, 0x99, 0xff, + 0x7b, 0x4f, 0x5d, 0xff, + 0x9c, 0xa6, 0xd6, 0xff + }, + {0x3a, 0x9d, 0x24, 0x69, 0xbd, 0x9f, 0xb4, 0x39} + } +}; + + +static const struct dxt_data +dxt1_rgba_data[] = { + { + { + 0x00, 0x00, 0x00, 0x00, + 0x4e, 0xaa, 0x90, 0xff, + 0x4e, 0xaa, 0x90, 0xff, + 0x00, 0x00, 0x00, 0x00, + 0x4e, 0xaa, 0x90, 0xff, + 0x29, 0xff, 0xff, 0xff, + 0x00, 0x00, 0x00, 0x00, + 0x4e, 0xaa, 0x90, 0xff, + 0x73, 0x55, 0x21, 0xff, + 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, + 0x4e, 0xaa, 0x90, 0xff, + 0x4e, 0xaa, 0x90, 0xff, + 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, + 0x4e, 0xaa, 0x90, 0xff + }, + {0xff, 0x2f, 0xa4, 0x72, 0xeb, 0xb2, 0xbd, 0xbe} + }, + { + { + 0xb5, 0xe3, 0x63, 0xff, + 0x00, 0x00, 0x00, 0x00, + 0x6b, 0x24, 0x84, 0xff, + 0xb5, 0xe3, 0x63, 0xff, + 0x00, 0x00, 0x00, 0x00, + 0xb5, 0xe3, 0x63, 0xff, + 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, + 0x6b, 0x24, 0x84, 0xff, + 0x6b, 0x24, 0x84, 0xff, + 0x00, 0x00, 0x00, 0x00, + 0xb5, 0xe3, 0x63, 0xff, + 0x90, 0x83, 0x73, 0xff, + 0xb5, 0xe3, 0x63, 0xff + }, + {0x30, 0x69, 0x0c, 0xb7, 0x4d, 0xf7, 0x0f, 0x67} + }, + { + { + 0x00, 0x00, 0x00, 0x00, + 0xc6, 0x86, 0x8c, 0xff, + 0xc6, 0x86, 0x8c, 0xff, + 0x21, 0x65, 0x42, 0xff, + 0x21, 0x65, 0x42, 0xff, + 0x21, 0x65, 0x42, 0xff, + 0x21, 0x65, 0x42, 0xff, + 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, + 0x21, 0x65, 0x42, 0xff, + 0xc6, 0x86, 0x8c, 0xff, + 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, + 0xc6, 0x86, 0x8c, 0xff + }, + {0x28, 0x23, 0x31, 0xc4, 0x17, 0xc0, 0xd3, 0x7f} + }, + { + { + 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, + 0xc6, 0xe3, 0x9c, 0xff, + 0x7b, 0x1c, 0x52, 0xff, + 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, + 0x7b, 0x1c, 0x52, 0xff, + 0x00, 0x00, 0x00, 0x00, + 0x7b, 0x1c, 0x52, 0xff, + 0xa0, 0x7f, 0x77, 0xff, + 0xc6, 0xe3, 0x9c, 0xff, + 0x00, 0x00, 0x00, 0x00, + 0xa0, 0x7f, 0x77, 0xff + }, + {0xea, 0x78, 0x13, 0xc7, 0x7f, 0xfc, 0x33, 0xb6} + }, +}; + + +static const struct dxt_data +dxt3_rgba_data[] = { + { + { + 0x6d, 0xc6, 0x96, 0x77, + 0x6d, 0xc6, 0x96, 0xee, + 0x6d, 0xc6, 0x96, 0xaa, + 0x8c, 0xff, 0xb5, 0x44, + 0x6d, 0xc6, 0x96, 0xff, + 0x6d, 0xc6, 0x96, 0x88, + 0x31, 0x55, 0x5a, 0x66, + 0x6d, 0xc6, 0x96, 0x99, + 0x31, 0x55, 0x5a, 0xbb, + 0x31, 0x55, 0x5a, 0x55, + 0x31, 0x55, 0x5a, 0x11, + 0x6d, 0xc6, 0x96, 0xcc, + 0x6d, 0xc6, 0x96, 0xcc, + 0x6d, 0xc6, 0x96, 0x11, + 0x31, 0x55, 0x5a, 0x44, + 0x31, 0x55, 0x5a, 0x88 + }, + {0xe7, 0x4a, 0x8f, 0x96, 0x5b, 0xc1, 0x1c, 0x84, 0xf6, 0x8f, 0xab, 0x32, 0x2a, 0x9a, 0x95, 0x5a} + }, + { + { + 0xad, 0xeb, 0x73, 0x99, + 0x97, 0xaa, 0x86, 0x66, + 0x6b, 0x28, 0xad, 0x99, + 0xad, 0xeb, 0x73, 0x99, + 0x6b, 0x28, 0xad, 0x22, + 0xad, 0xeb, 0x73, 0xff, + 0x97, 0xaa, 0x86, 0x55, + 0x6b, 0x28, 0xad, 0x55, + 0x6b, 0x28, 0xad, 0x44, + 0xad, 0xeb, 0x73, 0x33, + 0x6b, 0x28, 0xad, 0xee, + 0x6b, 0x28, 0xad, 0x99, + 0x97, 0xaa, 0x86, 0x66, + 0xad, 0xeb, 0x73, 0xbb, + 0x97, 0xaa, 0x86, 0x99, + 0xad, 0xeb, 0x73, 0xbb + }, + {0x69, 0x99, 0xf2, 0x55, 0x34, 0x9e, 0xb6, 0xb9, 0x4e, 0xaf, 0x55, 0x69, 0x18, 0x61, 0x51, 0x22} + }, + { + { + 0x63, 0xd7, 0xd6, 0x00, + 0x57, 0x62, 0x5d, 0xdd, + 0x57, 0x62, 0x5d, 0xcc, + 0x57, 0x62, 0x5d, 0xbb, + 0x52, 0x28, 0x21, 0xaa, + 0x57, 0x62, 0x5d, 0xcc, + 0x57, 0x62, 0x5d, 0xcc, + 0x57, 0x62, 0x5d, 0x66, + 0x57, 0x62, 0x5d, 0x22, + 0x57, 0x62, 0x5d, 0xdd, + 0x63, 0xd7, 0xd6, 0xee, + 0x57, 0x62, 0x5d, 0x33, + 0x63, 0xd7, 0xd6, 0x55, + 0x52, 0x28, 0x21, 0x55, + 0x57, 0x62, 0x5d, 0x11, + 0x5d, 0x9c, 0x99, 0xee + }, + {0xd0, 0xbc, 0xca, 0x6c, 0xd2, 0x3e, 0x55, 0xe1, 0xba, 0x66, 0x44, 0x51, 0xfc, 0xfd, 0xcf, 0xb4} + }, + { + { + 0x94, 0x6f, 0x60, 0x22, + 0x94, 0x6f, 0x60, 0x22, + 0xc5, 0xab, 0x76, 0x11, + 0xc5, 0xab, 0x76, 0xee, + 0x63, 0x34, 0x4a, 0xdd, + 0x63, 0x34, 0x4a, 0x33, + 0x94, 0x6f, 0x60, 0x77, + 0xf7, 0xe7, 0x8c, 0x00, + 0x94, 0x6f, 0x60, 0x33, + 0x63, 0x34, 0x4a, 0xaa, + 0x94, 0x6f, 0x60, 0x77, + 0x63, 0x34, 0x4a, 0xcc, + 0x94, 0x6f, 0x60, 0xaa, + 0xf7, 0xe7, 0x8c, 0x99, + 0x63, 0x34, 0x4a, 0x44, + 0xc5, 0xab, 0x76, 0xaa + }, + {0x22, 0xe1, 0x3d, 0x07, 0xa3, 0xc7, 0x9a, 0xa4, 0x31, 0xf7, 0xa9, 0x61, 0xaf, 0x35, 0x77, 0x93} + }, +}; + + +static const struct dxt_data +dxt5_rgba_data[] = { + { + { + 0x6d, 0xc6, 0x96, 0x74, + 0x6d, 0xc6, 0x96, 0xf8, + 0x6d, 0xc6, 0x96, 0xb6, + 0x8c, 0xff, 0xb5, 0x53, + 0x6d, 0xc6, 0x96, 0xf8, + 0x6d, 0xc6, 0x96, 0x95, + 0x31, 0x55, 0x5a, 0x53, + 0x6d, 0xc6, 0x96, 0x95, + 0x31, 0x55, 0x5a, 0xb6, + 0x31, 0x55, 0x5a, 0x53, + 0x31, 0x55, 0x5a, 0x11, + 0x6d, 0xc6, 0x96, 0xd7, + 0x6d, 0xc6, 0x96, 0xb6, + 0x6d, 0xc6, 0x96, 0x11, + 0x31, 0x55, 0x5a, 0x32, + 0x31, 0x55, 0x5a, 0x95 + }, + {0xf8, 0x11, 0xc5, 0x0c, 0x9a, 0x73, 0xb4, 0x9c, 0xf6, 0x8f, 0xab, 0x32, 0x2a, 0x9a, 0x95, 0x5a} + }, + { + { + 0xad, 0xeb, 0x73, 0xa1, + 0x97, 0xaa, 0x86, 0x65, + 0x6b, 0x28, 0xad, 0xa1, + 0xad, 0xeb, 0x73, 0xa1, + 0x6b, 0x28, 0xad, 0x2a, + 0xad, 0xeb, 0x73, 0xfb, + 0x97, 0xaa, 0x86, 0x47, + 0x6b, 0x28, 0xad, 0x65, + 0x6b, 0x28, 0xad, 0x47, + 0xad, 0xeb, 0x73, 0x47, + 0x6b, 0x28, 0xad, 0xdd, + 0x6b, 0x28, 0xad, 0xa1, + 0x97, 0xaa, 0x86, 0x65, + 0xad, 0xeb, 0x73, 0xbf, + 0x97, 0xaa, 0x86, 0xa1, + 0xad, 0xeb, 0x73, 0xbf + }, + {0xfb, 0x2a, 0x34, 0x19, 0xdc, 0xbf, 0xe8, 0x71, 0x4e, 0xaf, 0x55, 0x69, 0x18, 0x61, 0x51, 0x22} + }, + { + { + 0x63, 0xd7, 0xd6, 0x00, + 0x57, 0x62, 0x5d, 0xf5, + 0x57, 0x62, 0x5d, 0xd2, + 0x57, 0x62, 0x5d, 0xaf, + 0x52, 0x28, 0x21, 0xaf, + 0x57, 0x62, 0x5d, 0xd2, + 0x57, 0x62, 0x5d, 0xd2, + 0x57, 0x62, 0x5d, 0x69, + 0x57, 0x62, 0x5d, 0x23, + 0x57, 0x62, 0x5d, 0xd2, + 0x63, 0xd7, 0xd6, 0xf5, + 0x57, 0x62, 0x5d, 0x46, + 0x63, 0xd7, 0xd6, 0x46, + 0x52, 0x28, 0x21, 0x69, + 0x57, 0x62, 0x5d, 0x23, + 0x5d, 0x9c, 0x99, 0xf5 + }, + {0xf5, 0x00, 0x81, 0x36, 0xa9, 0x17, 0xec, 0x1e, 0xba, 0x66, 0x44, 0x51, 0xfc, 0xfd, 0xcf, 0xb4} + }, + { + { + 0x94, 0x6f, 0x60, 0x25, + 0x94, 0x6f, 0x60, 0x25, + 0xc5, 0xab, 0x76, 0x05, + 0xc5, 0xab, 0x76, 0xe8, + 0x63, 0x34, 0x4a, 0xe8, + 0x63, 0x34, 0x4a, 0x25, + 0x94, 0x6f, 0x60, 0x86, + 0xf7, 0xe7, 0x8c, 0x05, + 0x94, 0x6f, 0x60, 0x25, + 0x63, 0x34, 0x4a, 0xa7, + 0x94, 0x6f, 0x60, 0x66, + 0x63, 0x34, 0x4a, 0xc7, + 0x94, 0x6f, 0x60, 0xa7, + 0xf7, 0xe7, 0x8c, 0xa7, + 0x63, 0x34, 0x4a, 0x45, + 0xc5, 0xab, 0x76, 0xa7 + }, + {0xe8, 0x05, 0x7f, 0x80, 0x33, 0x5f, 0xb5, 0x79, 0x31, 0xf7, 0xa9, 0x61, 0xaf, 0x35, 0x77, 0x93} + }, +}; + + +static INLINE void +st_sample_dxt_pixel_block(enum pipe_format format, + const struct pipe_format_block *block, + uint8_t *raw, + float *rgba, unsigned rgba_stride, + unsigned w, unsigned h) +{ + const struct dxt_data *data; + unsigned n; + unsigned i; + unsigned x, y, ch; + + switch(format) { + case PIPE_FORMAT_DXT1_RGB: + data = dxt1_rgb_data; + n = sizeof(dxt1_rgb_data)/sizeof(dxt1_rgb_data[0]); + break; + case PIPE_FORMAT_DXT1_RGBA: + data = dxt1_rgba_data; + n = sizeof(dxt1_rgba_data)/sizeof(dxt1_rgba_data[0]); + break; + case PIPE_FORMAT_DXT3_RGBA: + data = dxt3_rgba_data; + n = sizeof(dxt3_rgba_data)/sizeof(dxt3_rgba_data[0]); + break; + case PIPE_FORMAT_DXT5_RGBA: + data = dxt5_rgba_data; + n = sizeof(dxt5_rgba_data)/sizeof(dxt5_rgba_data[0]); + break; + default: + assert(0); + } + + i = st_random() % n; + + for(y = 0; y < h; ++y) + for(x = 0; x < w; ++x) + for(ch = 0; ch < 4; ++ch) + rgba[y*rgba_stride + x*4 + ch] = (float)(data[i].rgba[y*4*4 + x*4 + ch])/255.0f; + + memcpy(raw, data[i].raw, block->size); +} + + +static INLINE void +st_sample_generic_pixel_block(enum pipe_format format, + const struct pipe_format_block *block, + uint8_t *raw, + float *rgba, unsigned rgba_stride, + unsigned w, unsigned h) +{ + unsigned i; + unsigned x, y, ch; + + for(i = 0; i < block->size; ++i) + raw[i] = (uint8_t)st_random(); + + + pipe_tile_raw_to_rgba(format, + raw, + w, h, + rgba, rgba_stride); + + if(format == PIPE_FORMAT_YCBCR || format == PIPE_FORMAT_YCBCR_REV) { + for(y = 0; y < h; ++y) { + for(x = 0; x < w; ++x) { + for(ch = 0; ch < 4; ++ch) { + unsigned offset = y*rgba_stride + x*4 + ch; + rgba[offset] = CLAMP(rgba[offset], 0.0f, 1.0f); + } + } + } + } +} + + +/** + * Randomly sample pixels. + */ +void +st_sample_pixel_block(enum pipe_format format, + const struct pipe_format_block *block, + void *raw, + float *rgba, unsigned rgba_stride, + unsigned w, unsigned h) +{ + switch(format) { + case PIPE_FORMAT_DXT1_RGB: + case PIPE_FORMAT_DXT1_RGBA: + case PIPE_FORMAT_DXT3_RGBA: + case PIPE_FORMAT_DXT5_RGBA: + st_sample_dxt_pixel_block(format, block, raw, rgba, rgba_stride, w, h); + break; + + default: + st_sample_generic_pixel_block(format, block, raw, rgba, rgba_stride, w, h); + break; + } +} + + +void +st_sample_surface(struct pipe_surface *surface, float *rgba) +{ + const struct pipe_format_block *block = &surface->block; + unsigned rgba_stride = surface->width*4; + void *raw; + unsigned x, y; + + raw = pipe_surface_map(surface, PIPE_BUFFER_USAGE_CPU_READ); + if(!raw) + return; + + for (y = 0; y < surface->nblocksy; ++y) { + for(x = 0; x < surface->nblocksx; ++x) { + st_sample_pixel_block(surface->format, + block, + (uint8_t*)raw + y*surface->stride + x*block->size, + rgba + y*block->height*rgba_stride + x*block->width*4, + rgba_stride, + MIN2(block->width, surface->width - x*block->width), + MIN2(block->height, surface->height - y*block->height)); + } + } + + pipe_surface_unmap(surface); +} |