--- /dev/null
+/**************************************************************************
+ *
+ * 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 "pipe/p_inlines.h"
+
+#include "util/u_math.h"
+#include "util/u_memory.h"
+#include "util/u_rect.h"
+#include "util/u_tile.h"
+#include "lp_tile_soa.h"
+
+
+#define PIXEL(_p, _x, _y, _c) ((_p)[(_c)*TILE_SIZE*TILE_SIZE + (_y)*TILE_SIZE + (_x)])
+
+
+/** 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_A8R8G8B8_UNORM ***/
+
+static void
+a8r8g8b8_get_tile_rgba(const unsigned *src,
+ unsigned w, unsigned h,
+ float *p)
+{
+ unsigned i, j;
+
+ for (i = 0; i < h; i++) {
+ for (j = 0; j < w; j++) {
+ const unsigned pixel = *src++;
+ PIXEL(p, j, i, 0) = ubyte_to_float((pixel >> 16) & 0xff);
+ PIXEL(p, j, i, 1) = ubyte_to_float((pixel >> 8) & 0xff);
+ PIXEL(p, j, i, 2) = ubyte_to_float((pixel >> 0) & 0xff);
+ PIXEL(p, j, i, 3) = ubyte_to_float((pixel >> 24) & 0xff);
+ }
+ }
+}
+
+
+static void
+a8r8g8b8_put_tile_rgba(unsigned *dst,
+ unsigned w, unsigned h,
+ const float *p)
+{
+ unsigned i, j;
+
+ for (i = 0; i < h; i++) {
+ for (j = 0; j < w; j++) {
+ unsigned r, g, b, a;
+ r = float_to_ubyte(PIXEL(p, j, i, 0));
+ g = float_to_ubyte(PIXEL(p, j, i, 1));
+ b = float_to_ubyte(PIXEL(p, j, i, 2));
+ a = float_to_ubyte(PIXEL(p, j, i, 3));
+ *dst++ = (a << 24) | (r << 16) | (g << 8) | b;
+ }
+ }
+}
+
+
+/*** PIPE_FORMAT_A8R8G8B8_UNORM ***/
+
+static void
+x8r8g8b8_get_tile_rgba(const unsigned *src,
+ unsigned w, unsigned h,
+ float *p)
+{
+ unsigned i, j;
+
+ for (i = 0; i < h; i++) {
+ for (j = 0; j < w; j++) {
+ const unsigned pixel = *src++;
+ PIXEL(p, j, i, 0) = ubyte_to_float((pixel >> 16) & 0xff);
+ PIXEL(p, j, i, 1) = ubyte_to_float((pixel >> 8) & 0xff);
+ PIXEL(p, j, i, 2) = ubyte_to_float((pixel >> 0) & 0xff);
+ PIXEL(p, j, i, 3) = ubyte_to_float(0xff);
+ }
+ }
+}
+
+
+static void
+x8r8g8b8_put_tile_rgba(unsigned *dst,
+ unsigned w, unsigned h,
+ const float *p)
+{
+ unsigned i, j;
+
+ for (i = 0; i < h; i++) {
+ for (j = 0; j < w; j++) {
+ unsigned r, g, b;
+ r = float_to_ubyte(PIXEL(p, j, i, 0));
+ g = float_to_ubyte(PIXEL(p, j, i, 1));
+ b = float_to_ubyte(PIXEL(p, j, i, 2));
+ *dst++ = (0xff << 24) | (r << 16) | (g << 8) | b;
+ }
+ }
+}
+
+
+/*** PIPE_FORMAT_B8G8R8A8_UNORM ***/
+
+static void
+b8g8r8a8_get_tile_rgba(const unsigned *src,
+ unsigned w, unsigned h,
+ float *p)
+{
+ unsigned i, j;
+
+ for (i = 0; i < h; i++) {
+ for (j = 0; j < w; j++) {
+ const unsigned pixel = *src++;
+ PIXEL(p, j, i, 0) = ubyte_to_float((pixel >> 8) & 0xff);
+ PIXEL(p, j, i, 1) = ubyte_to_float((pixel >> 16) & 0xff);
+ PIXEL(p, j, i, 2) = ubyte_to_float((pixel >> 24) & 0xff);
+ PIXEL(p, j, i, 3) = ubyte_to_float((pixel >> 0) & 0xff);
+ }
+ }
+}
+
+
+static void
+b8g8r8a8_put_tile_rgba(unsigned *dst,
+ unsigned w, unsigned h,
+ const float *p)
+{
+ unsigned i, j;
+
+ for (i = 0; i < h; i++) {
+ for (j = 0; j < w; j++) {
+ unsigned r, g, b, a;
+ r = float_to_ubyte(PIXEL(p, j, i, 0));
+ g = float_to_ubyte(PIXEL(p, j, i, 1));
+ b = float_to_ubyte(PIXEL(p, j, i, 2));
+ a = float_to_ubyte(PIXEL(p, j, i, 3));
+ *dst++ = (b << 24) | (g << 16) | (r << 8) | a;
+ }
+ }
+}
+
+
+/*** PIPE_FORMAT_A1R5G5B5_UNORM ***/
+
+static void
+a1r5g5b5_get_tile_rgba(const ushort *src,
+ unsigned w, unsigned h,
+ float *p)
+{
+ unsigned i, j;
+
+ for (i = 0; i < h; i++) {
+ for (j = 0; j < w; j++) {
+ const ushort pixel = *src++;
+ PIXEL(p, j, i, 0) = ((pixel >> 10) & 0x1f) * (1.0f / 31.0f);
+ PIXEL(p, j, i, 1) = ((pixel >> 5) & 0x1f) * (1.0f / 31.0f);
+ PIXEL(p, j, i, 2) = ((pixel ) & 0x1f) * (1.0f / 31.0f);
+ PIXEL(p, j, i, 3) = ((pixel >> 15) ) * 1.0f;
+ }
+ }
+}
+
+
+static void
+a1r5g5b5_put_tile_rgba(ushort *dst,
+ unsigned w, unsigned h,
+ const float *p)
+{
+ unsigned i, j;
+
+ for (i = 0; i < h; i++) {
+ for (j = 0; j < w; j++) {
+ unsigned r, g, b, a;
+ r = float_to_ubyte(PIXEL(p, j, i, 0));
+ g = float_to_ubyte(PIXEL(p, j, i, 1));
+ b = float_to_ubyte(PIXEL(p, j, i, 2));
+ a = float_to_ubyte(PIXEL(p, j, i, 3));
+ r = r >> 3; /* 5 bits */
+ g = g >> 3; /* 5 bits */
+ b = b >> 3; /* 5 bits */
+ a = a >> 7; /* 1 bit */
+ *dst++ = (a << 15) | (r << 10) | (g << 5) | b;
+ }
+ }
+}
+
+
+/*** PIPE_FORMAT_A4R4G4B4_UNORM ***/
+
+static void
+a4r4g4b4_get_tile_rgba(const ushort *src,
+ unsigned w, unsigned h,
+ float *p)
+{
+ unsigned i, j;
+
+ for (i = 0; i < h; i++) {
+ for (j = 0; j < w; j++) {
+ const ushort pixel = *src++;
+ PIXEL(p, j, i, 0) = ((pixel >> 8) & 0xf) * (1.0f / 15.0f);
+ PIXEL(p, j, i, 1) = ((pixel >> 4) & 0xf) * (1.0f / 15.0f);
+ PIXEL(p, j, i, 2) = ((pixel ) & 0xf) * (1.0f / 15.0f);
+ PIXEL(p, j, i, 3) = ((pixel >> 12) ) * (1.0f / 15.0f);
+ }
+ }
+}
+
+
+static void
+a4r4g4b4_put_tile_rgba(ushort *dst,
+ unsigned w, unsigned h,
+ const float *p)
+{
+ unsigned i, j;
+
+ for (i = 0; i < h; i++) {
+ for (j = 0; j < w; j++) {
+ unsigned r, g, b, a;
+ r = float_to_ubyte(PIXEL(p, j, i, 0));
+ g = float_to_ubyte(PIXEL(p, j, i, 1));
+ b = float_to_ubyte(PIXEL(p, j, i, 2));
+ a = float_to_ubyte(PIXEL(p, j, i, 3));
+ r >>= 4;
+ g >>= 4;
+ b >>= 4;
+ a >>= 4;
+ *dst++ = (a << 12) | (r << 16) | (g << 4) | b;
+ }
+ }
+}
+
+
+/*** PIPE_FORMAT_R5G6B5_UNORM ***/
+
+static void
+r5g6b5_get_tile_rgba(const ushort *src,
+ unsigned w, unsigned h,
+ float *p)
+{
+ unsigned i, j;
+
+ for (i = 0; i < h; i++) {
+ for (j = 0; j < w; j++) {
+ const ushort pixel = *src++;
+ PIXEL(p, j, i, 0) = ((pixel >> 11) & 0x1f) * (1.0f / 31.0f);
+ PIXEL(p, j, i, 1) = ((pixel >> 5) & 0x3f) * (1.0f / 63.0f);
+ PIXEL(p, j, i, 2) = ((pixel ) & 0x1f) * (1.0f / 31.0f);
+ PIXEL(p, j, i, 3) = 1.0f;
+ }
+ }
+}
+
+
+static void
+r5g6b5_put_tile_rgba(ushort *dst,
+ unsigned w, unsigned h,
+ const float *p)
+{
+ unsigned i, j;
+
+ for (i = 0; i < h; i++) {
+ for (j = 0; j < w; j++) {
+ uint r = (uint) (CLAMP(PIXEL(p, j, i, 0), 0.0, 1.0) * 31.0);
+ uint g = (uint) (CLAMP(PIXEL(p, j, i, 1), 0.0, 1.0) * 63.0);
+ uint b = (uint) (CLAMP(PIXEL(p, j, i, 2), 0.0, 1.0) * 31.0);
+ *dst++ = (r << 11) | (g << 5) | (b);
+ }
+ }
+}
+
+
+
+/*** 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)
+{
+ const float scale = 1.0f / 65535.0f;
+ unsigned i, j;
+
+ for (i = 0; i < h; i++) {
+ for (j = 0; j < w; j++) {
+ PIXEL(p, j, i, 0) =
+ PIXEL(p, j, i, 1) =
+ PIXEL(p, j, i, 2) =
+ PIXEL(p, j, i, 3) = *src++ * scale;
+ }
+ }
+}
+
+
+
+
+/*** PIPE_FORMAT_L8_UNORM ***/
+
+static void
+l8_get_tile_rgba(const ubyte *src,
+ unsigned w, unsigned h,
+ float *p)
+{
+ unsigned i, j;
+
+ for (i = 0; i < h; i++) {
+ for (j = 0; j < w; j++, src++) {
+ PIXEL(p, j, i, 0) =
+ PIXEL(p, j, i, 1) =
+ PIXEL(p, j, i, 2) = ubyte_to_float(*src);
+ PIXEL(p, j, i, 3) = 1.0;
+ }
+ }
+}
+
+
+static void
+l8_put_tile_rgba(ubyte *dst,
+ unsigned w, unsigned h,
+ const float *p)
+{
+ unsigned i, j;
+
+ for (i = 0; i < h; i++) {
+ for (j = 0; j < w; j++) {
+ unsigned r;
+ r = float_to_ubyte(PIXEL(p, j, i, 0));
+ *dst++ = (ubyte) r;
+ }
+ }
+}
+
+
+
+/*** PIPE_FORMAT_A8_UNORM ***/
+
+static void
+a8_get_tile_rgba(const ubyte *src,
+ unsigned w, unsigned h,
+ float *p)
+{
+ unsigned i, j;
+
+ for (i = 0; i < h; i++) {
+ for (j = 0; j < w; j++, src++) {
+ PIXEL(p, j, i, 0) =
+ PIXEL(p, j, i, 1) =
+ PIXEL(p, j, i, 2) = 0.0;
+ PIXEL(p, j, i, 3) = ubyte_to_float(*src);
+ }
+ }
+}
+
+
+static void
+a8_put_tile_rgba(ubyte *dst,
+ unsigned w, unsigned h,
+ const float *p)
+{
+ unsigned i, j;
+
+ for (i = 0; i < h; i++) {
+ for (j = 0; j < w; j++) {
+ unsigned a;
+ a = float_to_ubyte(PIXEL(p, j, i, 3));
+ *dst++ = (ubyte) a;
+ }
+ }
+}
+
+
+
+/*** PIPE_FORMAT_R16_SNORM ***/
+
+static void
+r16_get_tile_rgba(const short *src,
+ unsigned w, unsigned h,
+ float *p)
+{
+ unsigned i, j;
+
+ for (i = 0; i < h; i++) {
+ for (j = 0; j < w; j++, src++) {
+ PIXEL(p, j, i, 0) = SHORT_TO_FLOAT(src[0]);
+ PIXEL(p, j, i, 1) =
+ PIXEL(p, j, i, 2) = 0.0;
+ PIXEL(p, j, i, 3) = 1.0;
+ }
+ }
+}
+
+
+static void
+r16_put_tile_rgba(short *dst,
+ unsigned w, unsigned h,
+ const float *p)
+{
+ unsigned i, j;
+
+ for (i = 0; i < h; i++) {
+ for (j = 0; j < w; j++, dst++) {
+ UNCLAMPED_FLOAT_TO_SHORT(dst[0], PIXEL(p, j, i, 0));
+ }
+ }
+}
+
+
+/*** PIPE_FORMAT_R16G16B16A16_SNORM ***/
+
+static void
+r16g16b16a16_get_tile_rgba(const short *src,
+ unsigned w, unsigned h,
+ float *p)
+{
+ unsigned i, j;
+
+ for (i = 0; i < h; i++) {
+ for (j = 0; j < w; j++, src += 4) {
+ PIXEL(p, j, i, 0) = SHORT_TO_FLOAT(src[0]);
+ PIXEL(p, j, i, 1) = SHORT_TO_FLOAT(src[1]);
+ PIXEL(p, j, i, 2) = SHORT_TO_FLOAT(src[2]);
+ PIXEL(p, j, i, 3) = SHORT_TO_FLOAT(src[3]);
+ }
+ }
+}
+
+
+static void
+r16g16b16a16_put_tile_rgba(short *dst,
+ unsigned w, unsigned h,
+ const float *p)
+{
+ unsigned i, j;
+
+ for (i = 0; i < h; i++) {
+ for (j = 0; j < w; j++, dst += 4) {
+ UNCLAMPED_FLOAT_TO_SHORT(dst[0], PIXEL(p, j, i, 0));
+ UNCLAMPED_FLOAT_TO_SHORT(dst[1], PIXEL(p, j, i, 1));
+ UNCLAMPED_FLOAT_TO_SHORT(dst[2], PIXEL(p, j, i, 2));
+ UNCLAMPED_FLOAT_TO_SHORT(dst[3], PIXEL(p, j, i, 3));
+ }
+ }
+}
+
+
+
+/*** PIPE_FORMAT_I8_UNORM ***/
+
+static void
+i8_get_tile_rgba(const ubyte *src,
+ unsigned w, unsigned h,
+ float *p)
+{
+ unsigned i, j;
+
+ for (i = 0; i < h; i++) {
+ for (j = 0; j < w; j++, src++) {
+ PIXEL(p, j, i, 0) =
+ PIXEL(p, j, i, 1) =
+ PIXEL(p, j, i, 2) =
+ PIXEL(p, j, i, 3) = ubyte_to_float(*src);
+ }
+ }
+}
+
+
+static void
+i8_put_tile_rgba(ubyte *dst,
+ unsigned w, unsigned h,
+ const float *p)
+{
+ unsigned i, j;
+
+ for (i = 0; i < h; i++) {
+ for (j = 0; j < w; j++) {
+ unsigned r;
+ r = float_to_ubyte(PIXEL(p, j, i, 0));
+ *dst++ = (ubyte) r;
+ }
+ }
+}
+
+
+/*** PIPE_FORMAT_A8L8_UNORM ***/
+
+static void
+a8l8_get_tile_rgba(const ushort *src,
+ unsigned w, unsigned h,
+ float *p)
+{
+ unsigned i, j;
+
+ for (i = 0; i < h; i++) {
+ for (j = 0; j < w; j++) {
+ ushort ra = *src++;
+ PIXEL(p, j, i, 0) =
+ PIXEL(p, j, i, 1) =
+ PIXEL(p, j, i, 2) = ubyte_to_float(ra & 0xff);
+ PIXEL(p, j, i, 3) = ubyte_to_float(ra >> 8);
+ }
+ }
+}
+
+
+static void
+a8l8_put_tile_rgba(ushort *dst,
+ unsigned w, unsigned h,
+ const float *p)
+{
+ unsigned i, j;
+
+ for (i = 0; i < h; i++) {
+ for (j = 0; j < w; j++) {
+ unsigned r, a;
+ r = float_to_ubyte(PIXEL(p, j, i, 0));
+ a = float_to_ubyte(PIXEL(p, j, i, 3));
+ *dst++ = (a << 8) | r;
+ }
+ }
+}
+
+
+
+
+/*** 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)
+{
+ const double scale = 1.0 / (double) 0xffffffff;
+ unsigned i, j;
+
+ for (i = 0; i < h; i++) {
+ for (j = 0; j < w; j++) {
+ PIXEL(p, j, i, 0) =
+ PIXEL(p, j, i, 1) =
+ PIXEL(p, j, i, 2) =
+ PIXEL(p, j, i, 3) = (float) (*src++ * scale);
+ }
+ }
+}
+
+
+/*** PIPE_FORMAT_S8Z24_UNORM ***/
+
+/**
+ * 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)
+{
+ const double scale = 1.0 / ((1 << 24) - 1);
+ unsigned i, j;
+
+ for (i = 0; i < h; i++) {
+ for (j = 0; j < w; j++) {
+ PIXEL(p, j, i, 0) =
+ PIXEL(p, j, i, 1) =
+ PIXEL(p, j, i, 2) =
+ PIXEL(p, j, i, 3) = (float) (scale * (*src++ & 0xffffff));
+ }
+ }
+}
+
+
+/*** PIPE_FORMAT_Z24S8_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)
+{
+ const double scale = 1.0 / ((1 << 24) - 1);
+ unsigned i, j;
+
+ for (i = 0; i < h; i++) {
+ for (j = 0; j < w; j++) {
+ PIXEL(p, j, i, 0) =
+ PIXEL(p, j, i, 1) =
+ PIXEL(p, j, i, 2) =
+ PIXEL(p, j, i, 3) = (float) (scale * (*src++ >> 8));
+ }
+ }
+}
+
+
+/*** 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 i, j;
+
+ for (i = 0; i < h; i++) {
+ for (j = 0; j < w; j++) {
+ PIXEL(p, j, i, 0) =
+ PIXEL(p, j, i, 1) =
+ PIXEL(p, j, i, 2) =
+ PIXEL(p, j, i, 3) = *src++;
+ }
+ }
+}
+
+
+/*** PIPE_FORMAT_YCBCR / PIPE_FORMAT_YCBCR_REV ***/
+
+/**
+ * Convert YCbCr (or YCrCb) to RGBA.
+ */
+static void
+ycbcr_get_tile_rgba(const ushort *src,
+ unsigned w, unsigned h,
+ float *p,
+ boolean rev)
+{
+ const float scale = 1.0f / 255.0f;
+ unsigned i, j;
+
+ for (i = 0; i < h; i++) {
+ /* do two texels at a time */
+ for (j = 0; j < (w & ~1); j += 2, src += 2) {
+ const ushort t0 = src[0];
+ const ushort t1 = src[1];
+ const ubyte y0 = (t0 >> 8) & 0xff; /* luminance */
+ const ubyte y1 = (t1 >> 8) & 0xff; /* luminance */
+ ubyte cb, cr;
+ float r, g, b;
+
+ if (rev) {
+ cb = t1 & 0xff; /* chroma U */
+ cr = t0 & 0xff; /* chroma V */
+ }
+ else {
+ cb = t0 & 0xff; /* chroma U */
+ cr = t1 & 0xff; /* chroma V */
+ }
+
+ /* even pixel: y0,cr,cb */
+ r = 1.164f * (y0-16) + 1.596f * (cr-128);
+ g = 1.164f * (y0-16) - 0.813f * (cr-128) - 0.391f * (cb-128);
+ b = 1.164f * (y0-16) + 2.018f * (cb-128);
+ PIXEL(p, j, i, 0) = r * scale;
+ PIXEL(p, j, i, 1) = g * scale;
+ PIXEL(p, j, i, 2) = b * scale;
+ PIXEL(p, j, i, 3) = 1.0f;
+
+ /* odd pixel: use y1,cr,cb */
+ r = 1.164f * (y1-16) + 1.596f * (cr-128);
+ g = 1.164f * (y1-16) - 0.813f * (cr-128) - 0.391f * (cb-128);
+ b = 1.164f * (y1-16) + 2.018f * (cb-128);
+ PIXEL(p, j + 1, i, 0) = r * scale;
+ PIXEL(p, j + 1, i, 1) = g * scale;
+ PIXEL(p, j + 1, i, 2) = b * scale;
+ PIXEL(p, j + 1, i, 3) = 1.0f;
+ }
+ /* do the last texel */
+ if (w & 1) {
+ const ushort t0 = src[0];
+ const ushort t1 = src[1];
+ const ubyte y0 = (t0 >> 8) & 0xff; /* luminance */
+ ubyte cb, cr;
+ float r, g, b;
+
+ if (rev) {
+ cb = t1 & 0xff; /* chroma U */
+ cr = t0 & 0xff; /* chroma V */
+ }
+ else {
+ cb = t0 & 0xff; /* chroma U */
+ cr = t1 & 0xff; /* chroma V */
+ }
+
+ /* even pixel: y0,cr,cb */
+ r = 1.164f * (y0-16) + 1.596f * (cr-128);
+ g = 1.164f * (y0-16) - 0.813f * (cr-128) - 0.391f * (cb-128);
+ b = 1.164f * (y0-16) + 2.018f * (cb-128);
+ PIXEL(p, j, i, 0) = r * scale;
+ PIXEL(p, j, i, 1) = g * scale;
+ PIXEL(p, j, i, 2) = b * scale;
+ PIXEL(p, j, i, 3) = 1.0f;
+ }
+ }
+}
+
+
+static void
+fake_get_tile_rgba(const ushort *src,
+ unsigned w, unsigned h,
+ float *p)
+{
+ unsigned i, j;
+
+ for (i = 0; i < h; i++) {
+ for (j = 0; j < w; j++) {
+ PIXEL(p, j, i, 0) =
+ PIXEL(p, j, i, 1) =
+ PIXEL(p, j, i, 2) =
+ PIXEL(p, j, i, 3) = (i ^ j) & 1 ? 1.0f : 0.0f;
+ }
+ }
+}
+
+
+static void
+lp_tile_raw_to_rgba_soa(enum pipe_format format,
+ void *src,
+ uint w, uint h,
+ float *p)
+{
+ switch (format) {
+ case PIPE_FORMAT_A8R8G8B8_UNORM:
+ a8r8g8b8_get_tile_rgba((unsigned *) src, w, h, p);
+ break;
+ case PIPE_FORMAT_X8R8G8B8_UNORM:
+ x8r8g8b8_get_tile_rgba((unsigned *) src, w, h, p);
+ break;
+ case PIPE_FORMAT_B8G8R8A8_UNORM:
+ b8g8r8a8_get_tile_rgba((unsigned *) src, w, h, p);
+ break;
+ case PIPE_FORMAT_A1R5G5B5_UNORM:
+ a1r5g5b5_get_tile_rgba((ushort *) src, w, h, p);
+ break;
+ case PIPE_FORMAT_A4R4G4B4_UNORM:
+ a4r4g4b4_get_tile_rgba((ushort *) src, w, h, p);
+ break;
+ case PIPE_FORMAT_R5G6B5_UNORM:
+ r5g6b5_get_tile_rgba((ushort *) src, w, h, p);
+ break;
+ case PIPE_FORMAT_L8_UNORM:
+ l8_get_tile_rgba((ubyte *) src, w, h, p);
+ break;
+ case PIPE_FORMAT_A8_UNORM:
+ a8_get_tile_rgba((ubyte *) src, w, h, p);
+ break;
+ case PIPE_FORMAT_I8_UNORM:
+ i8_get_tile_rgba((ubyte *) src, w, h, p);
+ break;
+ case PIPE_FORMAT_A8L8_UNORM:
+ a8l8_get_tile_rgba((ushort *) src, w, h, p);
+ break;
+ case PIPE_FORMAT_R16_SNORM:
+ r16_get_tile_rgba((short *) src, w, h, p);
+ break;
+ case PIPE_FORMAT_R16G16B16A16_SNORM:
+ r16g16b16a16_get_tile_rgba((short *) src, w, h, p);
+ break;
+ case PIPE_FORMAT_Z16_UNORM:
+ z16_get_tile_rgba((ushort *) src, w, h, p);
+ break;
+ case PIPE_FORMAT_Z32_UNORM:
+ z32_get_tile_rgba((unsigned *) src, w, h, p);
+ break;
+ case PIPE_FORMAT_S8Z24_UNORM:
+ case PIPE_FORMAT_X8Z24_UNORM:
+ s8z24_get_tile_rgba((unsigned *) src, w, h, p);
+ break;
+ case PIPE_FORMAT_Z24S8_UNORM:
+ case PIPE_FORMAT_Z24X8_UNORM:
+ z24s8_get_tile_rgba((unsigned *) src, w, h, p);
+ break;
+ case PIPE_FORMAT_Z32_FLOAT:
+ z32f_get_tile_rgba((float *) src, w, h, p);
+ break;
+ case PIPE_FORMAT_YCBCR:
+ ycbcr_get_tile_rgba((ushort *) src, w, h, p, FALSE);
+ break;
+ case PIPE_FORMAT_YCBCR_REV:
+ ycbcr_get_tile_rgba((ushort *) src, w, h, p, TRUE);
+ break;
+ default:
+ debug_printf("%s: unsupported format %s\n", __FUNCTION__, pf_name(format));
+ fake_get_tile_rgba(src, w, h, p);
+ }
+}
+
+
+void
+lp_get_tile_rgba_soa(struct pipe_transfer *pt,
+ uint x, uint y,
+ float *p)
+{
+ uint w = TILE_SIZE, h = TILE_SIZE;
+ void *packed;
+
+ if (pipe_clip_tile(x, y, &w, &h, pt))
+ return;
+
+ packed = MALLOC(pf_get_nblocks(&pt->block, w, h) * pt->block.size);
+
+ if (!packed)
+ return;
+
+ if(pt->format == PIPE_FORMAT_YCBCR || pt->format == PIPE_FORMAT_YCBCR_REV)
+ assert((x & 1) == 0);
+
+ pipe_get_tile_raw(pt, x, y, w, h, packed, 0);
+
+ lp_tile_raw_to_rgba_soa(pt->format, packed, w, h, p);
+
+ FREE(packed);
+}
+
+
+void
+lp_put_tile_rgba_soa(struct pipe_transfer *pt,
+ uint x, uint y,
+ const float *p)
+{
+ uint w = TILE_SIZE, h = TILE_SIZE;
+ void *packed;
+
+ if (pipe_clip_tile(x, y, &w, &h, pt))
+ return;
+
+ packed = MALLOC(pf_get_nblocks(&pt->block, w, h) * pt->block.size);
+
+ if (!packed)
+ return;
+
+ switch (pt->format) {
+ case PIPE_FORMAT_A8R8G8B8_UNORM:
+ a8r8g8b8_put_tile_rgba((unsigned *) packed, w, h, p);
+ break;
+ case PIPE_FORMAT_X8R8G8B8_UNORM:
+ x8r8g8b8_put_tile_rgba((unsigned *) packed, w, h, p);
+ break;
+ case PIPE_FORMAT_B8G8R8A8_UNORM:
+ b8g8r8a8_put_tile_rgba((unsigned *) packed, w, h, p);
+ break;
+ case PIPE_FORMAT_A1R5G5B5_UNORM:
+ a1r5g5b5_put_tile_rgba((ushort *) packed, w, h, p);
+ break;
+ case PIPE_FORMAT_R5G6B5_UNORM:
+ r5g6b5_put_tile_rgba((ushort *) packed, w, h, p);
+ break;
+ case PIPE_FORMAT_R8G8B8A8_UNORM:
+ assert(0);
+ break;
+ case PIPE_FORMAT_A4R4G4B4_UNORM:
+ a4r4g4b4_put_tile_rgba((ushort *) packed, w, h, p);
+ break;
+ case PIPE_FORMAT_L8_UNORM:
+ l8_put_tile_rgba((ubyte *) packed, w, h, p);
+ break;
+ case PIPE_FORMAT_A8_UNORM:
+ a8_put_tile_rgba((ubyte *) packed, w, h, p);
+ break;
+ case PIPE_FORMAT_I8_UNORM:
+ i8_put_tile_rgba((ubyte *) packed, w, h, p);
+ break;
+ case PIPE_FORMAT_A8L8_UNORM:
+ a8l8_put_tile_rgba((ushort *) packed, w, h, p);
+ break;
+ case PIPE_FORMAT_R16_SNORM:
+ r16_put_tile_rgba((short *) packed, w, h, p);
+ break;
+ case PIPE_FORMAT_R16G16B16A16_SNORM:
+ r16g16b16a16_put_tile_rgba((short *) packed, w, h, p);
+ break;
+ case PIPE_FORMAT_Z16_UNORM:
+ /*z16_put_tile_rgba((ushort *) packed, w, h, p);*/
+ break;
+ case PIPE_FORMAT_Z32_UNORM:
+ /*z32_put_tile_rgba((unsigned *) packed, w, h, p);*/
+ break;
+ case PIPE_FORMAT_S8Z24_UNORM:
+ case PIPE_FORMAT_X8Z24_UNORM:
+ /*s8z24_put_tile_rgba((unsigned *) packed, w, h, p);*/
+ break;
+ case PIPE_FORMAT_Z24S8_UNORM:
+ case PIPE_FORMAT_Z24X8_UNORM:
+ /*z24s8_put_tile_rgba((unsigned *) packed, w, h, p);*/
+ break;
+ default:
+ debug_printf("%s: unsupported format %s\n", __FUNCTION__, pf_name(pt->format));
+ }
+
+ pipe_put_tile_raw(pt, x, y, w, h, packed, 0);
+
+ FREE(packed);
+}
+
+
projects / platform / upstream / mesa.git / commitdiff