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-rw-r--r--src/gallium/state_trackers/python/st_sample.c594
1 files changed, 0 insertions, 594 deletions
diff --git a/src/gallium/state_trackers/python/st_sample.c b/src/gallium/state_trackers/python/st_sample.c
deleted file mode 100644
index cac9a1a..0000000
--- a/src/gallium/state_trackers/python/st_sample.c
+++ /dev/null
@@ -1,594 +0,0 @@
-/**************************************************************************
- *
- * 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 "util/u_inlines.h"
-#include "util/u_format.h"
-#include "util/u_tile.h"
-#include "util/u_math.h"
-#include "util/u_memory.h"
-
-#include "st_device.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 (uint32_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,
- 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);
- return;
- }
-
- 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, util_format_get_blocksize(format));
-}
-
-
-static INLINE void
-st_sample_generic_pixel_block(enum pipe_format format,
- uint8_t *raw,
- float *rgba, unsigned rgba_stride,
- unsigned w, unsigned h,
- boolean norm)
-{
- unsigned i;
- unsigned x, y, ch;
- int blocksize = util_format_get_blocksize(format);
-
- if (norm) {
- 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] = (st_random() & 0xff) / (double)0xff;
- }
- }
- }
-
- util_format_write_4f(format,
- rgba, rgba_stride * sizeof(float),
- raw, util_format_get_stride(format, w),
- 0, 0, w, h);
-
- } else {
- for (i = 0; i < blocksize; ++i)
- raw[i] = (uint8_t)st_random();
- }
-
- util_format_read_4f(format,
- rgba, rgba_stride * sizeof(float),
- raw, util_format_get_stride(format, w),
- 0, 0, w, h);
-
- if (format == PIPE_FORMAT_UYVY || format == PIPE_FORMAT_YUYV) {
- 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,
- void *raw,
- float *rgba, unsigned rgba_stride,
- unsigned w, unsigned h,
- boolean norm)
-{
- 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, raw, rgba, rgba_stride, w, h);
- break;
-
- default:
- st_sample_generic_pixel_block(format, raw, rgba, rgba_stride, w, h, norm);
- break;
- }
-}
-
-
-void
-st_sample_surface(struct pipe_context *pipe,
- struct st_surface *surface,
- float *rgba,
- boolean norm)
-{
- struct pipe_resource *texture = surface->texture;
- unsigned width = u_minify(texture->width0, surface->level);
- unsigned height = u_minify(texture->height0, surface->level);
- uint rgba_stride = width * 4;
- struct pipe_transfer *transfer;
- void *raw;
-
- transfer = pipe_get_transfer(pipe,
- surface->texture,
- surface->level,
- surface->layer,
- PIPE_TRANSFER_WRITE,
- 0, 0,
- width,
- height);
- if (!transfer)
- return;
-
- raw = pipe->transfer_map(pipe, transfer);
- if (raw) {
- enum pipe_format format = texture->format;
- uint x, y;
- int nblocksx = util_format_get_nblocksx(format, width);
- int nblocksy = util_format_get_nblocksy(format, height);
- int blockwidth = util_format_get_blockwidth(format);
- int blockheight = util_format_get_blockheight(format);
- int blocksize = util_format_get_blocksize(format);
-
-
- for (y = 0; y < nblocksy; ++y) {
- for (x = 0; x < nblocksx; ++x) {
- st_sample_pixel_block(format,
- (uint8_t *) raw + y * transfer->stride + x * blocksize,
- rgba + y * blockheight * rgba_stride + x * blockwidth * 4,
- rgba_stride,
- MIN2(blockwidth, width - x*blockwidth),
- MIN2(blockheight, height - y*blockheight),
- norm);
- }
- }
-
- pipe->transfer_unmap(pipe, transfer);
- }
-
- pipe->transfer_destroy(pipe, transfer);
-}
generated by cgit v1.1 at 2025-08-17 22:19:09 +0000