/************************************************************************** * * 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" /** * Move raw block of pixels from transfer object to user memory. */ void pipe_get_tile_raw(struct pipe_transfer *pt, uint x, uint y, uint w, uint h, void *dst, int dst_stride) { struct pipe_screen *screen = pt->texture->screen; const void *src; if (dst_stride == 0) dst_stride = pf_get_nblocksx(&pt->block, w) * pt->block.size; if (pipe_clip_tile(x, y, &w, &h, pt)) return; src = screen->transfer_map(screen, pt); assert(src); if(!src) return; util_copy_rect(dst, &pt->block, dst_stride, 0, 0, w, h, src, pt->stride, x, y); screen->transfer_unmap(screen, pt); } /** * Move raw block of pixels from user memory to transfer object. */ void pipe_put_tile_raw(struct pipe_transfer *pt, uint x, uint y, uint w, uint h, const void *src, int src_stride) { struct pipe_screen *screen = pt->texture->screen; void *dst; if (src_stride == 0) src_stride = pf_get_nblocksx(&pt->block, w) * pt->block.size; if (pipe_clip_tile(x, y, &w, &h, pt)) return; dst = screen->transfer_map(screen, pt); assert(dst); if(!dst) return; util_copy_rect(dst, &pt->block, pt->stride, x, y, w, h, src, src_stride, 0, 0); screen->transfer_unmap(screen, pt); } /** 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; r = float_to_ubyte(pRow[0]); g = float_to_ubyte(pRow[1]); b = float_to_ubyte(pRow[2]); a = float_to_ubyte(pRow[3]); *dst++ = (a << 24) | (r << 16) | (g << 8) | b; } p += src_stride; } } /*** PIPE_FORMAT_X8R8G8B8_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] = 1.0F; } 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; r = float_to_ubyte(pRow[0]); g = float_to_ubyte(pRow[1]); b = float_to_ubyte(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; r = float_to_ubyte(pRow[0]); g = float_to_ubyte(pRow[1]); b = float_to_ubyte(pRow[2]); a = float_to_ubyte(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; r = float_to_ubyte(pRow[0]); g = float_to_ubyte(pRow[1]); b = float_to_ubyte(pRow[2]); a = float_to_ubyte(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; r = float_to_ubyte(pRow[0]); g = float_to_ubyte(pRow[1]); b = float_to_ubyte(pRow[2]); a = float_to_ubyte(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_R8G8B8_UNORM ***/ static void r8g8b8_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++, pRow += 4) { pRow[0] = ubyte_to_float(src[0]); pRow[1] = ubyte_to_float(src[1]); pRow[2] = ubyte_to_float(src[2]); pRow[3] = 1.0f; src += 3; } p += dst_stride; } } static void r8g8b8_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) { dst[0] = float_to_ubyte(pRow[0]); dst[1] = float_to_ubyte(pRow[1]); dst[2] = float_to_ubyte(pRow[2]); dst += 3; } 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; r = float_to_ubyte(pRow[0]); *dst++ = (ubyte) 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; a = float_to_ubyte(pRow[3]); *dst++ = (ubyte) 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_R8G8B8A8_SRGB ***/ /** * Convert an 8-bit sRGB value from non-linear space to a * linear RGB value in [0, 1]. * Implemented with a 256-entry lookup table. */ static INLINE float srgb_to_linear(ubyte cs8) { static float table[256]; static boolean tableReady = FALSE; if (!tableReady) { /* compute lookup table now */ uint i; for (i = 0; i < 256; i++) { const float cs = ubyte_to_float(i); if (cs <= 0.04045) { table[i] = cs / 12.92f; } else { table[i] = (float) powf((cs + 0.055) / 1.055, 2.4); } } tableReady = TRUE; } return table[cs8]; } /** * Convert linear float in [0,1] to an srgb ubyte value in [0,255]. * XXX this hasn't been tested (render to srgb surface). * XXX this needs optimization. */ static INLINE ubyte linear_to_srgb(float cl) { if (cl >= 1.0F) return 255; else if (cl >= 0.0031308F) return float_to_ubyte(1.055F * powf(cl, 0.41666F) - 0.055F); else if (cl > 0.0F) return float_to_ubyte(12.92F * cl); else return 0.0; } static void a8r8g8b8_srgb_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] = srgb_to_linear((pixel >> 16) & 0xff); pRow[1] = srgb_to_linear((pixel >> 8) & 0xff); pRow[2] = srgb_to_linear((pixel >> 0) & 0xff); pRow[3] = ubyte_to_float((pixel >> 24) & 0xff); } p += dst_stride; } } static void a8r8g8b8_srgb_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; r = linear_to_srgb(pRow[0]); g = linear_to_srgb(pRow[1]); b = linear_to_srgb(pRow[2]); a = float_to_ubyte(pRow[3]); *dst++ = (a << 24) | (r << 16) | (g << 8) | b; } p += src_stride; } } /*** PIPE_FORMAT_A8L8_SRGB ***/ static void a8l8_srgb_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] = srgb_to_linear(p & 0xff); pRow[3] = ubyte_to_float(p >> 8); } p += dst_stride; } } static void a8l8_srgb_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; r = linear_to_srgb(pRow[0]); a = float_to_ubyte(pRow[3]); *dst++ = (a << 8) | r; } p += src_stride; } } /*** PIPE_FORMAT_L8_SRGB ***/ static void l8_srgb_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] = srgb_to_linear(*src); pRow[3] = 1.0; } p += dst_stride; } } static void l8_srgb_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; r = linear_to_srgb(pRow[0]); *dst++ = (ubyte) r; } 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; r = float_to_ubyte(pRow[0]); *dst++ = (ubyte) 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; r = float_to_ubyte(pRow[0]); a = float_to_ubyte(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_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 dst_stride) { 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++; } 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; } } static void fake_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) { pRow[0] = pRow[1] = pRow[2] = pRow[3] = (i ^ j) & 1 ? 1.0f : 0.0f; } 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_R8G8B8_UNORM: r8g8b8_get_tile_rgba((ubyte *) 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_A8R8G8B8_SRGB: a8r8g8b8_srgb_get_tile_rgba((unsigned *) src, w, h, dst, dst_stride); break; case PIPE_FORMAT_A8L8_SRGB: a8l8_srgb_get_tile_rgba((ushort *) src, w, h, dst, dst_stride); break; case PIPE_FORMAT_L8_SRGB: l8_srgb_get_tile_rgba((ubyte *) 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: case PIPE_FORMAT_Z24X8_UNORM: z24s8_get_tile_rgba((unsigned *) src, w, h, dst, dst_stride); break; case PIPE_FORMAT_Z32_FLOAT: z32f_get_tile_rgba((float *) 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: debug_printf("%s: unsupported format %s\n", __FUNCTION__, pf_name(format)); fake_get_tile_rgba(src, w, h, dst, dst_stride); } } void pipe_get_tile_rgba(struct pipe_transfer *pt, 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, 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); pipe_tile_raw_to_rgba(pt->format, packed, w, h, p, dst_stride); FREE(packed); } void pipe_put_tile_rgba(struct pipe_transfer *pt, 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, 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, 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_R8G8B8_UNORM: r8g8b8_put_tile_rgba((ubyte *) 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_A8R8G8B8_SRGB: a8r8g8b8_srgb_put_tile_rgba((unsigned *) packed, w, h, p, src_stride); break; case PIPE_FORMAT_A8L8_SRGB: a8l8_srgb_put_tile_rgba((ushort *) packed, w, h, p, src_stride); break; case PIPE_FORMAT_L8_SRGB: l8_srgb_put_tile_rgba((ubyte *) 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: case PIPE_FORMAT_Z24X8_UNORM: /*z24s8_put_tile_rgba((unsigned *) packed, w, h, p, src_stride);*/ 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); } /** * Get a block of Z values, converted to 32-bit range. */ void pipe_get_tile_z(struct pipe_transfer *pt, uint x, uint y, uint w, uint h, uint *z) { struct pipe_screen *screen = pt->texture->screen; const uint dstStride = w; ubyte *map; uint *pDest = z; uint i, j; if (pipe_clip_tile(x, y, &w, &h, pt)) return; map = (ubyte *)screen->transfer_map(screen, pt); if (!map) { assert(0); return; } switch (pt->format) { case PIPE_FORMAT_Z32_UNORM: { const uint *ptrc = (const uint *)(map + y * pt->stride + x*4); for (i = 0; i < h; i++) { memcpy(pDest, ptrc, 4 * w); pDest += dstStride; ptrc += pt->stride/4; } } break; case PIPE_FORMAT_S8Z24_UNORM: case PIPE_FORMAT_X8Z24_UNORM: { const uint *ptrc = (const uint *)(map + y * pt->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] = (ptrc[j] << 8) | ((ptrc[j] >> 16) & 0xff); } pDest += dstStride; ptrc += pt->stride/4; } } break; case PIPE_FORMAT_Z24S8_UNORM: case PIPE_FORMAT_Z24X8_UNORM: { const uint *ptrc = (const uint *)(map + y * pt->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] = (ptrc[j] & 0xffffff00) | ((ptrc[j] >> 24) & 0xff); } pDest += dstStride; ptrc += pt->stride/4; } } break; case PIPE_FORMAT_Z16_UNORM: { const ushort *ptrc = (const ushort *)(map + y * pt->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] = (ptrc[j] << 16) | ptrc[j]; } pDest += dstStride; ptrc += pt->stride/2; } } break; default: assert(0); } screen->transfer_unmap(screen, pt); } void pipe_put_tile_z(struct pipe_transfer *pt, uint x, uint y, uint w, uint h, const uint *zSrc) { struct pipe_screen *screen = pt->texture->screen; const uint srcStride = w; const uint *ptrc = zSrc; ubyte *map; uint i, j; if (pipe_clip_tile(x, y, &w, &h, pt)) return; map = (ubyte *)screen->transfer_map(screen, pt); if (!map) { assert(0); return; } switch (pt->format) { case PIPE_FORMAT_Z32_UNORM: { uint *pDest = (uint *) (map + y * pt->stride + x*4); for (i = 0; i < h; i++) { memcpy(pDest, ptrc, 4 * w); pDest += pt->stride/4; ptrc += srcStride; } } break; case PIPE_FORMAT_S8Z24_UNORM: { uint *pDest = (uint *) (map + y * pt->stride + x*4); assert((pt->usage & PIPE_TRANSFER_READ_WRITE) == PIPE_TRANSFER_READ_WRITE); for (i = 0; i < h; i++) { for (j = 0; j < w; j++) { /* convert 32-bit Z to 24-bit Z, preserve stencil */ pDest[j] = (pDest[j] & 0xff000000) | ptrc[j] >> 8; } pDest += pt->stride/4; ptrc += srcStride; } } break; case PIPE_FORMAT_X8Z24_UNORM: { uint *pDest = (uint *) (map + y * pt->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] = ptrc[j] >> 8; } pDest += pt->stride/4; ptrc += srcStride; } } break; case PIPE_FORMAT_Z24S8_UNORM: { uint *pDest = (uint *) (map + y * pt->stride + x*4); assert((pt->usage & PIPE_TRANSFER_READ_WRITE) == PIPE_TRANSFER_READ_WRITE); for (i = 0; i < h; i++) { for (j = 0; j < w; j++) { /* convert 32-bit Z to 24-bit Z, preserve stencil */ pDest[j] = (pDest[j] & 0xff) | (ptrc[j] & 0xffffff00); } pDest += pt->stride/4; ptrc += srcStride; } } break; case PIPE_FORMAT_Z24X8_UNORM: { uint *pDest = (uint *) (map + y * pt->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] = ptrc[j] & 0xffffff00; } pDest += pt->stride/4; ptrc += srcStride; } } break; case PIPE_FORMAT_Z16_UNORM: { ushort *pDest = (ushort *) (map + y * pt->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] = ptrc[j] >> 16; } pDest += pt->stride/2; ptrc += srcStride; } } break; default: assert(0); } screen->transfer_unmap(screen, pt); }