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-rw-r--r--src/gallium/aux/util/p_tile.c699
1 files changed, 699 insertions, 0 deletions
diff --git a/src/gallium/aux/util/p_tile.c b/src/gallium/aux/util/p_tile.c
new file mode 100644
index 0000000000..3f795a3898
--- /dev/null
+++ b/src/gallium/aux/util/p_tile.c
@@ -0,0 +1,699 @@
+/**************************************************************************
+ *
+ * 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.
+ * Surfaces should already be in a mapped state.
+ */
+
+
+#include "pipe/p_defines.h"
+#include "pipe/p_util.h"
+#include "pipe/p_inlines.h"
+
+#include "p_tile.h"
+
+
+
+/**
+ * Move raw block of pixels from surface to user memory.
+ * This should be usable by any hw driver that has mappable surfaces.
+ */
+void
+pipe_get_tile_raw(struct pipe_context *pipe,
+ struct pipe_surface *ps,
+ uint x, uint y, uint w, uint h,
+ void *p, int dst_stride)
+{
+ const uint cpp = ps->cpp;
+ const ubyte *pSrc;
+ const uint src_stride = ps->pitch * cpp;
+ ubyte *pDest;
+ uint i;
+
+ if (dst_stride == 0) {
+ dst_stride = w * cpp;
+ }
+
+ if (pipe_clip_tile(x, y, &w, &h, ps))
+ return;
+
+ pSrc = (const ubyte *) pipe_surface_map(ps) + (y * ps->pitch + x) * cpp;
+ pDest = (ubyte *) p;
+
+ for (i = 0; i < h; i++) {
+ memcpy(pDest, pSrc, w * cpp);
+ pDest += dst_stride;
+ pSrc += src_stride;
+ }
+
+ pipe_surface_unmap(ps);
+}
+
+
+/**
+ * Move raw block of pixels from user memory to surface.
+ * This should be usable by any hw driver that has mappable surfaces.
+ */
+void
+pipe_put_tile_raw(struct pipe_context *pipe,
+ struct pipe_surface *ps,
+ uint x, uint y, uint w, uint h,
+ const void *p, int src_stride)
+{
+ const uint cpp = ps->cpp;
+ const ubyte *pSrc;
+ const uint dst_stride = ps->pitch * cpp;
+ ubyte *pDest;
+ uint i;
+
+ if (src_stride == 0) {
+ src_stride = w * cpp;
+ }
+
+ if (pipe_clip_tile(x, y, &w, &h, ps))
+ return;
+
+ pSrc = (const ubyte *) p;
+ pDest = (ubyte *) pipe_surface_map(ps) + (y * ps->pitch + x) * cpp;
+
+ for (i = 0; i < h; i++) {
+ memcpy(pDest, pSrc, w * cpp);
+ pDest += dst_stride;
+ pSrc += src_stride;
+ }
+
+ pipe_surface_unmap(ps);
+}
+
+
+
+
+/** 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(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) {
+ const unsigned pixel = *src++;
+ pRow[0] = UBYTE_TO_FLOAT((pixel >> 16) & 0xff);
+ pRow[1] = UBYTE_TO_FLOAT((pixel >> 8) & 0xff);
+ pRow[2] = UBYTE_TO_FLOAT((pixel >> 0) & 0xff);
+ pRow[3] = UBYTE_TO_FLOAT((pixel >> 24) & 0xff);
+ }
+ p += dst_stride;
+ }
+}
+
+
+static void
+a8r8g8b8_put_tile_rgba(unsigned *dst,
+ unsigned w, unsigned h,
+ const float *p,
+ unsigned src_stride)
+{
+ unsigned i, j;
+
+ for (i = 0; i < h; i++) {
+ const float *pRow = p;
+ for (j = 0; j < w; j++, pRow += 4) {
+ unsigned r, g, b, a;
+ UNCLAMPED_FLOAT_TO_UBYTE(r, pRow[0]);
+ UNCLAMPED_FLOAT_TO_UBYTE(g, pRow[1]);
+ UNCLAMPED_FLOAT_TO_UBYTE(b, pRow[2]);
+ UNCLAMPED_FLOAT_TO_UBYTE(a, pRow[3]);
+ *dst++ = (a << 24) | (r << 16) | (g << 8) | b;
+ }
+ p += src_stride;
+ }
+}
+
+
+/*** PIPE_FORMAT_B8G8R8A8_UNORM ***/
+
+static void
+b8g8r8a8_get_tile_rgba(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) {
+ const unsigned pixel = *src++;
+ pRow[0] = UBYTE_TO_FLOAT((pixel >> 8) & 0xff);
+ pRow[1] = UBYTE_TO_FLOAT((pixel >> 16) & 0xff);
+ pRow[2] = UBYTE_TO_FLOAT((pixel >> 24) & 0xff);
+ pRow[3] = UBYTE_TO_FLOAT((pixel >> 0) & 0xff);
+ }
+ p += dst_stride;
+ }
+}
+
+
+static void
+b8g8r8a8_put_tile_rgba(unsigned *dst,
+ unsigned w, unsigned h,
+ const float *p,
+ unsigned src_stride)
+{
+ unsigned i, j;
+
+ for (i = 0; i < h; i++) {
+ const float *pRow = p;
+ for (j = 0; j < w; j++, pRow += 4) {
+ unsigned r, g, b, a;
+ UNCLAMPED_FLOAT_TO_UBYTE(r, pRow[0]);
+ UNCLAMPED_FLOAT_TO_UBYTE(g, pRow[1]);
+ UNCLAMPED_FLOAT_TO_UBYTE(b, pRow[2]);
+ UNCLAMPED_FLOAT_TO_UBYTE(a, pRow[3]);
+ *dst++ = (b << 24) | (g << 16) | (r << 8) | a;
+ }
+ p += src_stride;
+ }
+}
+
+
+/*** PIPE_FORMAT_A1R5G5B5_UNORM ***/
+
+static void
+a1r5g5b5_get_tile_rgba(ushort *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) {
+ const ushort pixel = *src++;
+ pRow[0] = ((pixel >> 10) & 0x1f) * (1.0f / 31.0f);
+ pRow[1] = ((pixel >> 5) & 0x1f) * (1.0f / 31.0f);
+ pRow[2] = ((pixel ) & 0x1f) * (1.0f / 31.0f);
+ pRow[3] = ((pixel >> 15) ) * 1.0f;
+ }
+ p += dst_stride;
+ }
+}
+
+
+/*** PIPE_FORMAT_A4R4G4B4_UNORM ***/
+
+static void
+a4r4g4b4_get_tile_rgba(ushort *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) {
+ const ushort pixel = *src++;
+ pRow[0] = ((pixel >> 8) & 0xf) * (1.0f / 15.0f);
+ pRow[1] = ((pixel >> 4) & 0xf) * (1.0f / 15.0f);
+ pRow[2] = ((pixel ) & 0xf) * (1.0f / 15.0f);
+ pRow[3] = ((pixel >> 12) ) * (1.0f / 15.0f);
+ }
+ p += dst_stride;
+ }
+}
+
+
+/*** PIPE_FORMAT_R5G6B5_UNORM ***/
+
+static void
+r5g6b5_get_tile_rgba(ushort *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) {
+ const ushort pixel = *src++;
+ pRow[0] = ((pixel >> 11) & 0x1f) * (1.0f / 31.0f);
+ pRow[1] = ((pixel >> 5) & 0x3f) * (1.0f / 63.0f);
+ pRow[2] = ((pixel ) & 0x1f) * (1.0f / 31.0f);
+ pRow[3] = 1.0f;
+ }
+ p += dst_stride;
+ }
+}
+
+
+static void
+r5g5b5_put_tile_rgba(ushort *dst,
+ unsigned w, unsigned h,
+ const float *p,
+ unsigned src_stride)
+{
+ unsigned i, j;
+
+ for (i = 0; i < h; i++) {
+ const float *pRow = p;
+ for (j = 0; j < w; j++, pRow += 4) {
+ uint r = (uint) (CLAMP(pRow[0], 0.0, 1.0) * 31.0);
+ uint g = (uint) (CLAMP(pRow[1], 0.0, 1.0) * 63.0);
+ uint b = (uint) (CLAMP(pRow[2], 0.0, 1.0) * 31.0);
+ *dst++ = (r << 11) | (g << 5) | (b);
+ }
+ p += src_stride;
+ }
+}
+
+
+
+/*** PIPE_FORMAT_Z16_UNORM ***/
+
+/**
+ * Return each Z value as four floats in [0,1].
+ */
+static void
+z16_get_tile_rgba(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_U_L8 ***/
+
+static void
+l8_get_tile_rgba(ubyte *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++, src++, pRow += 4) {
+ pRow[0] =
+ pRow[1] =
+ pRow[2] = UBYTE_TO_FLOAT(*src);
+ pRow[3] = 1.0;
+ }
+ p += dst_stride;
+ }
+}
+
+
+/*** PIPE_FORMAT_U_A8 ***/
+
+static void
+a8_get_tile_rgba(ubyte *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++, src++, pRow += 4) {
+ pRow[0] =
+ pRow[1] =
+ pRow[2] = 0.0;
+ pRow[3] = UBYTE_TO_FLOAT(*src);
+ }
+ p += dst_stride;
+ }
+}
+
+
+/*** PIPE_FORMAT_R16G16B16A16_SNORM ***/
+
+static void
+r16g16b16a16_get_tile_rgba(short *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++, src += 4, pRow += 4) {
+ pRow[0] = SHORT_TO_FLOAT(src[0]);
+ pRow[1] = SHORT_TO_FLOAT(src[1]);
+ pRow[2] = SHORT_TO_FLOAT(src[2]);
+ pRow[3] = SHORT_TO_FLOAT(src[3]);
+ }
+ p += dst_stride;
+ }
+}
+
+
+static void
+r16g16b16a16_put_tile_rgba(short *dst,
+ unsigned w, unsigned h,
+ const float *p,
+ unsigned src_stride)
+{
+ unsigned i, j;
+
+ for (i = 0; i < h; i++) {
+ const float *pRow = p;
+ for (j = 0; j < w; j++, dst += 4, pRow += 4) {
+ UNCLAMPED_FLOAT_TO_SHORT(dst[0], pRow[0]);
+ UNCLAMPED_FLOAT_TO_SHORT(dst[1], pRow[1]);
+ UNCLAMPED_FLOAT_TO_SHORT(dst[2], pRow[2]);
+ UNCLAMPED_FLOAT_TO_SHORT(dst[3], pRow[3]);
+ }
+ p += src_stride;
+ }
+}
+
+
+
+/*** PIPE_FORMAT_U_I8 ***/
+
+static void
+i8_get_tile_rgba(ubyte *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++, src++, pRow += 4) {
+ pRow[0] =
+ pRow[1] =
+ pRow[2] =
+ pRow[3] = UBYTE_TO_FLOAT(*src);
+ }
+ p += dst_stride;
+ }
+}
+
+
+/*** PIPE_FORMAT_U_A8_L8 ***/
+
+static void
+a8_l8_get_tile_rgba(ushort *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) {
+ ushort p = *src++;
+ pRow[0] =
+ pRow[1] =
+ pRow[2] = UBYTE_TO_FLOAT(p & 0xff);
+ pRow[3] = UBYTE_TO_FLOAT(p >> 8);
+ }
+ p += dst_stride;
+ }
+}
+
+
+
+
+/*** PIPE_FORMAT_Z32_UNORM ***/
+
+/**
+ * Return each Z value as four floats in [0,1].
+ */
+static void
+z32_get_tile_rgba(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_S8Z24_UNORM ***/
+
+/**
+ * Return Z component as four float in [0,1]. Stencil part ignored.
+ */
+static void
+s8z24_get_tile_rgba(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_Z24S8_UNORM ***/
+
+/**
+ * Return Z component as four float in [0,1]. Stencil part ignored.
+ */
+static void
+z24s8_get_tile_rgba(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;
+ }
+}
+
+
+void
+pipe_get_tile_rgba(struct pipe_context *pipe,
+ struct pipe_surface *ps,
+ uint x, uint y, uint w, uint h,
+ float *p)
+{
+ unsigned dst_stride = w * 4;
+ void *packed;
+
+ if (pipe_clip_tile(x, y, &w, &h, ps))
+ return;
+
+ packed = MALLOC(h * w * ps->cpp);
+
+ if (!packed)
+ return;
+
+ pipe_get_tile_raw(pipe, ps, x, y, w, h, packed, w * ps->cpp);
+
+ switch (ps->format) {
+ case PIPE_FORMAT_A8R8G8B8_UNORM:
+ a8r8g8b8_get_tile_rgba((unsigned *) packed, w, h, p, dst_stride);
+ break;
+ case PIPE_FORMAT_B8G8R8A8_UNORM:
+ b8g8r8a8_get_tile_rgba((unsigned *) packed, w, h, p, dst_stride);
+ break;
+ case PIPE_FORMAT_A1R5G5B5_UNORM:
+ a1r5g5b5_get_tile_rgba((ushort *) packed, w, h, p, dst_stride);
+ break;
+ case PIPE_FORMAT_A4R4G4B4_UNORM:
+ a4r4g4b4_get_tile_rgba((ushort *) packed, w, h, p, dst_stride);
+ break;
+ case PIPE_FORMAT_R5G6B5_UNORM:
+ r5g6b5_get_tile_rgba((ushort *) packed, w, h, p, dst_stride);
+ break;
+ case PIPE_FORMAT_U_L8:
+ l8_get_tile_rgba((ubyte *) packed, w, h, p, dst_stride);
+ break;
+ case PIPE_FORMAT_U_A8:
+ a8_get_tile_rgba((ubyte *) packed, w, h, p, dst_stride);
+ break;
+ case PIPE_FORMAT_U_I8:
+ i8_get_tile_rgba((ubyte *) packed, w, h, p, dst_stride);
+ break;
+ case PIPE_FORMAT_U_A8_L8:
+ a8_l8_get_tile_rgba((ushort *) packed, w, h, p, dst_stride);
+ break;
+ case PIPE_FORMAT_R16G16B16A16_SNORM:
+ r16g16b16a16_get_tile_rgba((short *) packed, w, h, p, dst_stride);
+ break;
+ case PIPE_FORMAT_Z16_UNORM:
+ z16_get_tile_rgba((ushort *) packed, w, h, p, dst_stride);
+ break;
+ case PIPE_FORMAT_Z32_UNORM:
+ z32_get_tile_rgba((unsigned *) packed, w, h, p, dst_stride);
+ break;
+ case PIPE_FORMAT_S8Z24_UNORM:
+ s8z24_get_tile_rgba((unsigned *) packed, w, h, p, dst_stride);
+ break;
+ case PIPE_FORMAT_Z24S8_UNORM:
+ z24s8_get_tile_rgba((unsigned *) packed, w, h, p, dst_stride);
+ break;
+ default:
+ assert(0);
+ }
+
+ FREE(packed);
+}
+
+
+void
+pipe_put_tile_rgba(struct pipe_context *pipe,
+ struct pipe_surface *ps,
+ uint x, uint y, uint w, uint h,
+ const float *p)
+{
+ unsigned src_stride = w * 4;
+ void *packed;
+
+ if (pipe_clip_tile(x, y, &w, &h, ps))
+ return;
+
+ packed = MALLOC(h * w * ps->cpp);
+
+ if (!packed)
+ return;
+
+ switch (ps->format) {
+ case PIPE_FORMAT_A8R8G8B8_UNORM:
+ a8r8g8b8_put_tile_rgba((unsigned *) packed, w, h, p, src_stride);
+ break;
+ case PIPE_FORMAT_B8G8R8A8_UNORM:
+ b8g8r8a8_put_tile_rgba((unsigned *) packed, w, h, p, src_stride);
+ break;
+ case PIPE_FORMAT_A1R5G5B5_UNORM:
+ /*a1r5g5b5_put_tile_rgba((ushort *) packed, w, h, p, src_stride);*/
+ break;
+ case PIPE_FORMAT_R5G6B5_UNORM:
+ r5g5b5_put_tile_rgba((ushort *) packed, w, h, p, src_stride);
+ break;
+ case PIPE_FORMAT_R8G8B8A8_UNORM:
+ break;
+ case PIPE_FORMAT_U_L8:
+ /*l8_put_tile_rgba((ubyte *) packed, w, h, p, src_stride);*/
+ break;
+ case PIPE_FORMAT_U_A8:
+ /*a8_put_tile_rgba((ubyte *) packed, w, h, p, src_stride);*/
+ break;
+ case PIPE_FORMAT_U_I8:
+ /*i8_put_tile_rgba((ubyte *) packed, w, h, p, src_stride);*/
+ break;
+ case PIPE_FORMAT_U_A8_L8:
+ /*a8_l8_put_tile_rgba((ushort *) packed, w, h, p, src_stride);*/
+ break;
+ case PIPE_FORMAT_R16G16B16A16_SNORM:
+ r16g16b16a16_put_tile_rgba((short *) packed, w, h, p, src_stride);
+ break;
+ 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_S8Z24_UNORM:
+ /*s8z24_put_tile_rgba((unsigned *) packed, w, h, p, src_stride);*/
+ break;
+ case PIPE_FORMAT_Z24S8_UNORM:
+ /*z24s8_put_tile_rgba((unsigned *) packed, w, h, p, src_stride);*/
+ break;
+ default:
+ assert(0);
+ }
+
+ pipe_put_tile_raw(pipe, ps, x, y, w, h, packed, w * ps->cpp);
+
+ FREE(packed);
+}
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