+++ /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.
- * 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"
-#include "u_rect.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_surface *ps,
- uint x, uint y, uint w, uint h,
- void *dst, int dst_stride)
-{
- const void *src;
-
- if (dst_stride == 0)
- dst_stride = pf_get_nblocksx(&ps->block, w) * ps->block.size;
-
- if (pipe_clip_tile(x, y, &w, &h, ps))
- return;
-
- src = pipe_surface_map(ps, PIPE_BUFFER_USAGE_CPU_READ);
- assert(src);
- if(!src)
- return;
-
- pipe_copy_rect(dst, &ps->block, dst_stride, 0, 0, w, h, src, ps->stride, x, y);
-
- 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_surface *ps,
- uint x, uint y, uint w, uint h,
- const void *src, int src_stride)
-{
- void *dst;
-
- if (src_stride == 0)
- src_stride = pf_get_nblocksx(&ps->block, w) * ps->block.size;
-
- if (pipe_clip_tile(x, y, &w, &h, ps))
- return;
-
- dst = pipe_surface_map(ps, PIPE_BUFFER_USAGE_CPU_WRITE);
- assert(dst);
- if(!dst)
- return;
-
- pipe_copy_rect(dst, &ps->block, ps->stride, x, y, w, h, src, src_stride, 0, 0);
-
- 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(const 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_A8R8G8B8_UNORM ***/
-
-static void
-x8r8g8b8_get_tile_rgba(const 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(0xff);
- }
- p += dst_stride;
- }
-}
-
-
-static void
-x8r8g8b8_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;
- UNCLAMPED_FLOAT_TO_UBYTE(r, pRow[0]);
- UNCLAMPED_FLOAT_TO_UBYTE(g, pRow[1]);
- UNCLAMPED_FLOAT_TO_UBYTE(b, pRow[2]);
- *dst++ = (0xff << 24) | (r << 16) | (g << 8) | b;
- }
- p += src_stride;
- }
-}
-
-
-/*** PIPE_FORMAT_B8G8R8A8_UNORM ***/
-
-static void
-b8g8r8a8_get_tile_rgba(const 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(const 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;
- }
-}
-
-
-static void
-a1r5g5b5_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) {
- 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]);
- 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;
- }
- p += src_stride;
- }
-}
-
-
-/*** PIPE_FORMAT_A4R4G4B4_UNORM ***/
-
-static void
-a4r4g4b4_get_tile_rgba(const 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;
- }
-}
-
-
-static void
-a4r4g4b4_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) {
- 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]);
- r >>= 4;
- g >>= 4;
- b >>= 4;
- a >>= 4;
- *dst++ = (a << 12) | (r << 16) | (g << 4) | b;
- }
- p += src_stride;
- }
-}
-
-
-/*** PIPE_FORMAT_R5G6B5_UNORM ***/
-
-static void
-r5g6b5_get_tile_rgba(const 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
-r5g6b5_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(const 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_L8_UNORM ***/
-
-static void
-l8_get_tile_rgba(const 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;
- }
-}
-
-
-static void
-l8_put_tile_rgba(ubyte *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;
- UNCLAMPED_FLOAT_TO_UBYTE(r, pRow[0]);
- *dst++ = r;
- }
- p += src_stride;
- }
-}
-
-
-
-/*** PIPE_FORMAT_A8_UNORM ***/
-
-static void
-a8_get_tile_rgba(const 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;
- }
-}
-
-
-static void
-a8_put_tile_rgba(ubyte *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 a;
- UNCLAMPED_FLOAT_TO_UBYTE(a, pRow[3]);
- *dst++ = a;
- }
- p += src_stride;
- }
-}
-
-
-
-/*** PIPE_FORMAT_R16_SNORM ***/
-
-static void
-r16_get_tile_rgba(const 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++, pRow += 4) {
- pRow[0] = SHORT_TO_FLOAT(src[0]);
- pRow[1] =
- pRow[2] = 0.0;
- pRow[3] = 1.0;
- }
- p += dst_stride;
- }
-}
-
-
-static void
-r16_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++, pRow += 4) {
- UNCLAMPED_FLOAT_TO_SHORT(dst[0], pRow[0]);
- }
- p += src_stride;
- }
-}
-
-
-/*** PIPE_FORMAT_R16G16B16A16_SNORM ***/
-
-static void
-r16g16b16a16_get_tile_rgba(const 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_I8_UNORM ***/
-
-static void
-i8_get_tile_rgba(const 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;
- }
-}
-
-
-static void
-i8_put_tile_rgba(ubyte *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;
- UNCLAMPED_FLOAT_TO_UBYTE(r, pRow[0]);
- *dst++ = r;
- }
- p += src_stride;
- }
-}
-
-
-/*** PIPE_FORMAT_A8L8_UNORM ***/
-
-static void
-a8l8_get_tile_rgba(const 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;
- }
-}
-
-
-static void
-a8l8_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) {
- unsigned r, a;
- UNCLAMPED_FLOAT_TO_UBYTE(r, pRow[0]);
- UNCLAMPED_FLOAT_TO_UBYTE(a, pRow[3]);
- *dst++ = (a << 8) | r;
- }
- p += src_stride;
- }
-}
-
-
-
-
-/*** 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,
- 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(const 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(const 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;
- }
-}
-
-
-/*** 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,
- unsigned dst_stride,
- boolean rev)
-{
- const float scale = 1.0f / 255.0f;
- unsigned i, j;
-
- for (i = 0; i < h; i++) {
- float *pRow = p;
- /* 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);
- pRow[0] = r * scale;
- pRow[1] = g * scale;
- pRow[2] = b * scale;
- pRow[3] = 1.0f;
- pRow += 4;
-
- /* 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);
- pRow[0] = r * scale;
- pRow[1] = g * scale;
- pRow[2] = b * scale;
- pRow[3] = 1.0f;
- pRow += 4;
-
- }
- /* 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);
- pRow[0] = r * scale;
- pRow[1] = g * scale;
- pRow[2] = b * scale;
- pRow[3] = 1.0f;
- pRow += 4;
- }
- p += dst_stride;
- }
-}
-
-
-void
-pipe_tile_raw_to_rgba(enum pipe_format format,
- void *src,
- uint w, uint h,
- float *dst, unsigned dst_stride)
-{
- switch (format) {
- case PIPE_FORMAT_A8R8G8B8_UNORM:
- a8r8g8b8_get_tile_rgba((unsigned *) src, w, h, dst, dst_stride);
- break;
- case PIPE_FORMAT_X8R8G8B8_UNORM:
- x8r8g8b8_get_tile_rgba((unsigned *) src, w, h, dst, dst_stride);
- break;
- case PIPE_FORMAT_B8G8R8A8_UNORM:
- b8g8r8a8_get_tile_rgba((unsigned *) src, w, h, dst, dst_stride);
- break;
- case PIPE_FORMAT_A1R5G5B5_UNORM:
- a1r5g5b5_get_tile_rgba((ushort *) src, w, h, dst, dst_stride);
- break;
- case PIPE_FORMAT_A4R4G4B4_UNORM:
- a4r4g4b4_get_tile_rgba((ushort *) src, w, h, dst, dst_stride);
- break;
- case PIPE_FORMAT_R5G6B5_UNORM:
- r5g6b5_get_tile_rgba((ushort *) src, w, h, dst, dst_stride);
- break;
- case PIPE_FORMAT_L8_UNORM:
- l8_get_tile_rgba((ubyte *) src, w, h, dst, dst_stride);
- break;
- case PIPE_FORMAT_A8_UNORM:
- a8_get_tile_rgba((ubyte *) src, w, h, dst, dst_stride);
- break;
- case PIPE_FORMAT_I8_UNORM:
- i8_get_tile_rgba((ubyte *) src, w, h, dst, dst_stride);
- break;
- case PIPE_FORMAT_A8L8_UNORM:
- a8l8_get_tile_rgba((ushort *) src, w, h, dst, dst_stride);
- break;
- case PIPE_FORMAT_R16_SNORM:
- r16_get_tile_rgba((short *) src, w, h, dst, dst_stride);
- break;
- case PIPE_FORMAT_R16G16B16A16_SNORM:
- r16g16b16a16_get_tile_rgba((short *) src, w, h, dst, dst_stride);
- break;
- case PIPE_FORMAT_Z16_UNORM:
- z16_get_tile_rgba((ushort *) src, w, h, dst, dst_stride);
- break;
- case PIPE_FORMAT_Z32_UNORM:
- z32_get_tile_rgba((unsigned *) src, w, h, dst, dst_stride);
- break;
- case PIPE_FORMAT_S8Z24_UNORM:
- case PIPE_FORMAT_X8Z24_UNORM:
- s8z24_get_tile_rgba((unsigned *) src, w, h, dst, dst_stride);
- break;
- case PIPE_FORMAT_Z24S8_UNORM:
- z24s8_get_tile_rgba((unsigned *) src, w, h, dst, dst_stride);
- break;
- case PIPE_FORMAT_YCBCR:
- ycbcr_get_tile_rgba((ushort *) src, w, h, dst, dst_stride, FALSE);
- break;
- case PIPE_FORMAT_YCBCR_REV:
- ycbcr_get_tile_rgba((ushort *) src, w, h, dst, dst_stride, TRUE);
- break;
- default:
- assert(0);
- }
-}
-
-
-void
-pipe_get_tile_rgba(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(pf_get_nblocks(&ps->block, w, h) * ps->block.size);
-
- if (!packed)
- return;
-
- if(ps->format == PIPE_FORMAT_YCBCR || ps->format == PIPE_FORMAT_YCBCR_REV)
- assert((x & 1) == 0);
-
- pipe_get_tile_raw(ps, x, y, w, h, packed, 0);
-
- pipe_tile_raw_to_rgba(ps->format, packed, w, h, p, dst_stride);
-
- FREE(packed);
-}
-
-
-void
-pipe_put_tile_rgba(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(pf_get_nblocks(&ps->block, w, h) * ps->block.size);
-
- 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_X8R8G8B8_UNORM:
- x8r8g8b8_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:
- r5g6b5_put_tile_rgba((ushort *) packed, w, h, p, src_stride);
- break;
- case PIPE_FORMAT_R8G8B8A8_UNORM:
- assert(0);
- break;
- case PIPE_FORMAT_A4R4G4B4_UNORM:
- a4r4g4b4_put_tile_rgba((ushort *) packed, w, h, p, src_stride);
- break;
- case PIPE_FORMAT_L8_UNORM:
- l8_put_tile_rgba((ubyte *) packed, w, h, p, src_stride);
- break;
- case PIPE_FORMAT_A8_UNORM:
- a8_put_tile_rgba((ubyte *) packed, w, h, p, src_stride);
- break;
- case PIPE_FORMAT_I8_UNORM:
- i8_put_tile_rgba((ubyte *) packed, w, h, p, src_stride);
- break;
- case PIPE_FORMAT_A8L8_UNORM:
- a8l8_put_tile_rgba((ushort *) packed, w, h, p, src_stride);
- break;
- case PIPE_FORMAT_R16_SNORM:
- r16_put_tile_rgba((short *) 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:
- case PIPE_FORMAT_X8Z24_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(ps, x, y, w, h, packed, 0);
-
- FREE(packed);
-}
-
-
-/**
- * Get a block of Z values, converted to 32-bit range.
- */
-void
-pipe_get_tile_z(struct pipe_surface *ps,
- uint x, uint y, uint w, uint h,
- uint *z)
-{
- const uint dstStride = w;
- ubyte *map;
- uint *pDest = z;
- uint i, j;
-
- if (pipe_clip_tile(x, y, &w, &h, ps))
- return;
-
- map = (ubyte *)pipe_surface_map(ps, PIPE_BUFFER_USAGE_CPU_READ);
- if (!map) {
- assert(0);
- return;
- }
-
- switch (ps->format) {
- case PIPE_FORMAT_Z32_UNORM:
- {
- const uint *pSrc
- = (const uint *)(map + y * ps->stride + x*4);
- for (i = 0; i < h; i++) {
- memcpy(pDest, pSrc, 4 * w);
- pDest += dstStride;
- pSrc += ps->stride/4;
- }
- }
- break;
- case PIPE_FORMAT_S8Z24_UNORM:
- case PIPE_FORMAT_X8Z24_UNORM:
- {
- const uint *pSrc
- = (const uint *)(map + y * ps->stride + x*4);
- for (i = 0; i < h; i++) {
- for (j = 0; j < w; j++) {
- /* convert 24-bit Z to 32-bit Z */
- pDest[j] = (pSrc[j] << 8) | (pSrc[j] & 0xff);
- }
- pDest += dstStride;
- pSrc += ps->stride/4;
- }
- }
- break;
- case PIPE_FORMAT_Z16_UNORM:
- {
- const ushort *pSrc
- = (const ushort *)(map + y * ps->stride + x*2);
- for (i = 0; i < h; i++) {
- for (j = 0; j < w; j++) {
- /* convert 16-bit Z to 32-bit Z */
- pDest[j] = (pSrc[j] << 16) | pSrc[j];
- }
- pDest += dstStride;
- pSrc += ps->stride/2;
- }
- }
- break;
- default:
- assert(0);
- }
-
- pipe_surface_unmap(ps);
-}
-
-
-void
-pipe_put_tile_z(struct pipe_surface *ps,
- uint x, uint y, uint w, uint h,
- const uint *zSrc)
-{
- const uint srcStride = w;
- const uint *pSrc = zSrc;
- ubyte *map;
- uint i, j;
-
- if (pipe_clip_tile(x, y, &w, &h, ps))
- return;
-
- map = (ubyte *)pipe_surface_map(ps, PIPE_BUFFER_USAGE_CPU_WRITE);
- if (!map) {
- assert(0);
- return;
- }
-
- switch (ps->format) {
- case PIPE_FORMAT_Z32_UNORM:
- {
- uint *pDest = (uint *) (map + y * ps->stride + x*4);
- for (i = 0; i < h; i++) {
- memcpy(pDest, pSrc, 4 * w);
- pDest += ps->stride/4;
- pSrc += srcStride;
- }
- }
- break;
- case PIPE_FORMAT_S8Z24_UNORM:
- case PIPE_FORMAT_X8Z24_UNORM:
- {
- uint *pDest = (uint *) (map + y * ps->stride + x*4);
- for (i = 0; i < h; i++) {
- for (j = 0; j < w; j++) {
- /* convert 32-bit Z to 24-bit Z (0 stencil) */
- pDest[j] = pSrc[j] >> 8;
- }
- pDest += ps->stride/4;
- pSrc += srcStride;
- }
- }
- break;
- case PIPE_FORMAT_Z16_UNORM:
- {
- ushort *pDest = (ushort *) (map + y * ps->stride + x*2);
- for (i = 0; i < h; i++) {
- for (j = 0; j < w; j++) {
- /* convert 32-bit Z to 16-bit Z */
- pDest[j] = pSrc[j] >> 16;
- }
- pDest += ps->stride/2;
- pSrc += srcStride;
- }
- }
- break;
- default:
- assert(0);
- }
-
- pipe_surface_unmap(ps);
-}
-
-
projects / profile / ivi / mesa.git / commitdiff