diff options
Diffstat (limited to 'mesalib/src/gallium/auxiliary/util/u_format_other.c')
| -rw-r--r-- | mesalib/src/gallium/auxiliary/util/u_format_other.c | 472 |
1 files changed, 472 insertions, 0 deletions
diff --git a/mesalib/src/gallium/auxiliary/util/u_format_other.c b/mesalib/src/gallium/auxiliary/util/u_format_other.c new file mode 100644 index 000000000..b6173a12e --- /dev/null +++ b/mesalib/src/gallium/auxiliary/util/u_format_other.c @@ -0,0 +1,472 @@ +/**************************************************************************
+ *
+ * Copyright 2010 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 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
+ * THE COPYRIGHT HOLDERS, AUTHORS 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.
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ **************************************************************************/
+
+
+#include "u_math.h"
+#include "u_format_other.h"
+#include "u_format_rgb9e5.h"
+#include "u_format_r11g11b10f.h"
+
+
+void
+util_format_r9g9b9e5_float_unpack_rgba_float(float *dst_row, unsigned dst_stride,
+ const uint8_t *src_row, unsigned src_stride,
+ unsigned width, unsigned height)
+{
+ unsigned x, y;
+ for(y = 0; y < height; y += 1) {
+ float *dst = dst_row;
+ const uint8_t *src = src_row;
+ for(x = 0; x < width; x += 1) {
+ uint32_t value = *(const uint32_t *)src;
+#ifdef PIPE_ARCH_BIG_ENDIAN
+ value = util_bswap32(value);
+#endif
+ rgb9e5_to_float3(value, dst);
+ dst[3] = 1; /* a */
+ src += 4;
+ dst += 4;
+ }
+ src_row += src_stride;
+ dst_row += dst_stride/sizeof(*dst_row);
+ }
+}
+
+void
+util_format_r9g9b9e5_float_pack_rgba_float(uint8_t *dst_row, unsigned dst_stride,
+ const float *src_row, unsigned src_stride,
+ unsigned width, unsigned height)
+{
+ unsigned x, y;
+ for(y = 0; y < height; y += 1) {
+ const float *src = src_row;
+ uint8_t *dst = dst_row;
+ for(x = 0; x < width; x += 1) {
+ uint32_t value = float3_to_rgb9e5(src);
+#ifdef PIPE_ARCH_BIG_ENDIAN
+ value = util_bswap32(value);
+#endif
+ *(uint32_t *)dst = value;
+ src += 4;
+ dst += 4;
+ }
+ dst_row += dst_stride;
+ src_row += src_stride/sizeof(*src_row);
+ }
+}
+
+void
+util_format_r9g9b9e5_float_fetch_rgba_float(float *dst, const uint8_t *src,
+ unsigned i, unsigned j)
+{
+ uint32_t value = *(const uint32_t *)src;
+#ifdef PIPE_ARCH_BIG_ENDIAN
+ value = util_bswap32(value);
+#endif
+ rgb9e5_to_float3(value, dst);
+ dst[3] = 1; /* a */
+}
+
+
+void
+util_format_r9g9b9e5_float_unpack_rgba_8unorm(uint8_t *dst_row, unsigned dst_stride,
+ const uint8_t *src_row, unsigned src_stride,
+ unsigned width, unsigned height)
+{
+ unsigned x, y;
+ float p[3];
+ for(y = 0; y < height; y += 1) {
+ uint8_t *dst = dst_row;
+ const uint8_t *src = src_row;
+ for(x = 0; x < width; x += 1) {
+ uint32_t value = *(const uint32_t *)src;
+#ifdef PIPE_ARCH_BIG_ENDIAN
+ value = util_bswap32(value);
+#endif
+ rgb9e5_to_float3(value, p);
+ dst[0] = float_to_ubyte(p[0]); /* r */
+ dst[1] = float_to_ubyte(p[1]); /* g */
+ dst[2] = float_to_ubyte(p[2]); /* b */
+ dst[3] = 255; /* a */
+ src += 4;
+ dst += 4;
+ }
+ src_row += src_stride;
+ dst_row += dst_stride/sizeof(*dst_row);
+ }
+}
+
+
+void
+util_format_r9g9b9e5_float_pack_rgba_8unorm(uint8_t *dst_row, unsigned dst_stride,
+ const uint8_t *src_row, unsigned src_stride,
+ unsigned width, unsigned height)
+{
+ unsigned x, y;
+ float p[3];
+ for(y = 0; y < height; y += 1) {
+ const uint8_t *src = src_row;
+ uint8_t *dst = dst_row;
+ for(x = 0; x < width; x += 1) {
+ uint32_t value;
+ p[0] = ubyte_to_float(src[0]);
+ p[1] = ubyte_to_float(src[1]);
+ p[2] = ubyte_to_float(src[2]);
+ value = float3_to_rgb9e5(p);
+#ifdef PIPE_ARCH_BIG_ENDIAN
+ value = util_bswap32(value);
+#endif
+ *(uint32_t *)dst = value;
+ src += 4;
+ dst += 4;
+ }
+ dst_row += dst_stride;
+ src_row += src_stride/sizeof(*src_row);
+ }
+}
+
+
+void
+util_format_r11g11b10_float_unpack_rgba_float(float *dst_row, unsigned dst_stride,
+ const uint8_t *src_row, unsigned src_stride,
+ unsigned width, unsigned height)
+{
+ unsigned x, y;
+ for(y = 0; y < height; y += 1) {
+ float *dst = dst_row;
+ const uint8_t *src = src_row;
+ for(x = 0; x < width; x += 1) {
+ uint32_t value = *(const uint32_t *)src;
+#ifdef PIPE_ARCH_BIG_ENDIAN
+ value = util_bswap32(value);
+#endif
+ r11g11b10f_to_float3(value, dst);
+ dst[3] = 1; /* a */
+ src += 4;
+ dst += 4;
+ }
+ src_row += src_stride;
+ dst_row += dst_stride/sizeof(*dst_row);
+ }
+}
+
+void
+util_format_r11g11b10_float_pack_rgba_float(uint8_t *dst_row, unsigned dst_stride,
+ const float *src_row, unsigned src_stride,
+ unsigned width, unsigned height)
+{
+ unsigned x, y;
+ for(y = 0; y < height; y += 1) {
+ const float *src = src_row;
+ uint8_t *dst = dst_row;
+ for(x = 0; x < width; x += 1) {
+ uint32_t value = float3_to_r11g11b10f(src);
+#ifdef PIPE_ARCH_BIG_ENDIAN
+ value = util_bswap32(value);
+#endif
+ *(uint32_t *)dst = value;
+ src += 4;
+ dst += 4;
+ }
+ dst_row += dst_stride;
+ src_row += src_stride/sizeof(*src_row);
+ }
+}
+
+void
+util_format_r11g11b10_float_fetch_rgba_float(float *dst, const uint8_t *src,
+ unsigned i, unsigned j)
+{
+ uint32_t value = *(const uint32_t *)src;
+#ifdef PIPE_ARCH_BIG_ENDIAN
+ value = util_bswap32(value);
+#endif
+ r11g11b10f_to_float3(value, dst);
+ dst[3] = 1; /* a */
+}
+
+
+void
+util_format_r11g11b10_float_unpack_rgba_8unorm(uint8_t *dst_row, unsigned dst_stride,
+ const uint8_t *src_row, unsigned src_stride,
+ unsigned width, unsigned height)
+{
+ unsigned x, y;
+ float p[3];
+ for(y = 0; y < height; y += 1) {
+ uint8_t *dst = dst_row;
+ const uint8_t *src = src_row;
+ for(x = 0; x < width; x += 1) {
+ uint32_t value = *(const uint32_t *)src;
+#ifdef PIPE_ARCH_BIG_ENDIAN
+ value = util_bswap32(value);
+#endif
+ r11g11b10f_to_float3(value, p);
+ dst[0] = float_to_ubyte(p[0]); /* r */
+ dst[1] = float_to_ubyte(p[1]); /* g */
+ dst[2] = float_to_ubyte(p[2]); /* b */
+ dst[3] = 255; /* a */
+ src += 4;
+ dst += 4;
+ }
+ src_row += src_stride;
+ dst_row += dst_stride/sizeof(*dst_row);
+ }
+}
+
+
+void
+util_format_r11g11b10_float_pack_rgba_8unorm(uint8_t *dst_row, unsigned dst_stride,
+ const uint8_t *src_row, unsigned src_stride,
+ unsigned width, unsigned height)
+{
+ unsigned x, y;
+ float p[3];
+ for(y = 0; y < height; y += 1) {
+ const uint8_t *src = src_row;
+ uint8_t *dst = dst_row;
+ for(x = 0; x < width; x += 1) {
+ uint32_t value;
+ p[0] = ubyte_to_float(src[0]);
+ p[1] = ubyte_to_float(src[1]);
+ p[2] = ubyte_to_float(src[2]);
+ value = float3_to_r11g11b10f(p);
+#ifdef PIPE_ARCH_BIG_ENDIAN
+ value = util_bswap32(value);
+#endif
+ *(uint32_t *)dst = value;
+ src += 4;
+ dst += 4;
+ }
+ dst_row += dst_stride;
+ src_row += src_stride/sizeof(*src_row);
+ }
+}
+
+
+void
+util_format_r1_unorm_unpack_rgba_float(float *dst_row, unsigned dst_stride,
+ const uint8_t *src_row, unsigned src_stride,
+ unsigned width, unsigned height)
+{
+
+}
+
+
+void
+util_format_r1_unorm_pack_rgba_float(uint8_t *dst_row, unsigned dst_stride,
+ const float *src_row, unsigned src_stride,
+ unsigned width, unsigned height)
+{
+
+}
+
+
+void
+util_format_r1_unorm_fetch_rgba_float(float *dst, const uint8_t *src,
+ unsigned i, unsigned j)
+{
+
+}
+
+
+void
+util_format_r1_unorm_unpack_rgba_8unorm(uint8_t *dst_row, unsigned dst_stride,
+ const uint8_t *src_row, unsigned src_stride,
+ unsigned width, unsigned height)
+{
+
+}
+
+
+void
+util_format_r1_unorm_pack_rgba_8unorm(uint8_t *dst_row, unsigned dst_stride,
+ const uint8_t *src_row, unsigned src_stride,
+ unsigned width, unsigned height)
+{
+}
+
+
+/*
+ * PIPE_FORMAT_R8G8Bx_SNORM
+ *
+ * A.k.a. D3DFMT_CxV8U8
+ */
+
+static uint8_t
+r8g8bx_derive(int16_t r, int16_t g)
+{
+ /* Derive blue from red and green components.
+ * Apparently, we must always use integers to perform calculations,
+ * otherwise the results won't match D3D's CxV8U8 definition.
+ */
+ return (uint8_t)sqrtf(0x7f * 0x7f - r * r - g * g) * 0xff / 0x7f;
+}
+
+void
+util_format_r8g8bx_snorm_unpack_rgba_float(float *dst_row, unsigned dst_stride,
+ const uint8_t *src_row, unsigned src_stride,
+ unsigned width, unsigned height)
+{
+ unsigned x, y;
+
+ for(y = 0; y < height; y += 1) {
+ float *dst = dst_row;
+ const uint16_t *src = (const uint16_t *)src_row;
+ for(x = 0; x < width; x += 1) {
+ uint16_t value = *src++;
+ int16_t r, g;
+
+#ifdef PIPE_ARCH_BIG_ENDIAN
+ value = util_bswap32(value);
+#endif
+
+ r = ((int16_t)(value << 8)) >> 8;
+ g = ((int16_t)(value << 0)) >> 8;
+
+ dst[0] = (float)(r * (1.0f/0x7f)); /* r */
+ dst[1] = (float)(g * (1.0f/0x7f)); /* g */
+ dst[2] = r8g8bx_derive(r, g) * (1.0f/0xff); /* b */
+ dst[3] = 1.0f; /* a */
+ dst += 4;
+ }
+ src_row += src_stride;
+ dst_row += dst_stride/sizeof(*dst_row);
+ }
+}
+
+
+void
+util_format_r8g8bx_snorm_unpack_rgba_8unorm(uint8_t *dst_row, unsigned dst_stride,
+ const uint8_t *src_row, unsigned src_stride,
+ unsigned width, unsigned height)
+{
+ unsigned x, y;
+ for(y = 0; y < height; y += 1) {
+ uint8_t *dst = dst_row;
+ const uint16_t *src = (const uint16_t *)src_row;
+ for(x = 0; x < width; x += 1) {
+ uint16_t value = *src++;
+ int16_t r, g;
+
+#ifdef PIPE_ARCH_BIG_ENDIAN
+ value = util_bswap32(value);
+#endif
+
+ r = ((int16_t)(value << 8)) >> 8;
+ g = ((int16_t)(value << 0)) >> 8;
+
+ dst[0] = (uint8_t)(((uint16_t)MAX2(r, 0)) * 0xff / 0x7f); /* r */
+ dst[1] = (uint8_t)(((uint16_t)MAX2(g, 0)) * 0xff / 0x7f); /* g */
+ dst[2] = r8g8bx_derive(r, g); /* b */
+ dst[3] = 255; /* a */
+ dst += 4;
+ }
+ src_row += src_stride;
+ dst_row += dst_stride/sizeof(*dst_row);
+ }
+}
+
+
+void
+util_format_r8g8bx_snorm_pack_rgba_float(uint8_t *dst_row, unsigned dst_stride,
+ const float *src_row, unsigned src_stride,
+ unsigned width, unsigned height)
+{
+ unsigned x, y;
+ for(y = 0; y < height; y += 1) {
+ const float *src = src_row;
+ uint16_t *dst = (uint16_t *)dst_row;
+ for(x = 0; x < width; x += 1) {
+ uint16_t value = 0;
+
+ value |= (uint16_t)(((int8_t)(CLAMP(src[0], -1, 1) * 0x7f)) & 0xff) ;
+ value |= (uint16_t)((((int8_t)(CLAMP(src[1], -1, 1) * 0x7f)) & 0xff) << 8) ;
+
+#ifdef PIPE_ARCH_BIG_ENDIAN
+ value = util_bswap32(value);
+#endif
+
+ *dst++ = value;
+
+ src += 4;
+ }
+ dst_row += dst_stride;
+ src_row += src_stride/sizeof(*src_row);
+ }
+}
+
+
+void
+util_format_r8g8bx_snorm_pack_rgba_8unorm(uint8_t *dst_row, unsigned dst_stride,
+ const uint8_t *src_row, unsigned src_stride,
+ unsigned width, unsigned height)
+{
+ unsigned x, y;
+
+ for(y = 0; y < height; y += 1) {
+ const uint8_t *src = src_row;
+ uint16_t *dst = (uint16_t *)dst_row;
+ for(x = 0; x < width; x += 1) {
+ uint16_t value = 0;
+
+ value |= src[0] >> 1;
+ value |= (src[1] >> 1) << 8;
+
+#ifdef PIPE_ARCH_BIG_ENDIAN
+ value = util_bswap32(value);
+#endif
+
+ *dst++ = value;
+
+ src += 4;
+ }
+ dst_row += dst_stride;
+ src_row += src_stride/sizeof(*src_row);
+ }
+}
+
+
+void
+util_format_r8g8bx_snorm_fetch_rgba_float(float *dst, const uint8_t *src,
+ unsigned i, unsigned j)
+{
+ uint16_t value = *(const uint16_t *)src;
+ int16_t r, g;
+
+#ifdef PIPE_ARCH_BIG_ENDIAN
+ value = util_bswap32(value);
+#endif
+
+ r = ((int16_t)(value << 8)) >> 8;
+ g = ((int16_t)(value << 0)) >> 8;
+
+ dst[0] = r * (1.0f/0x7f); /* r */
+ dst[1] = g * (1.0f/0x7f); /* g */
+ dst[2] = r8g8bx_derive(r, g) * (1.0f/0xff); /* b */
+ dst[3] = 1.0f; /* a */
+}
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