/************************************************************************** * * 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; assert(ps->map); if (dst_stride == 0) { dst_stride = w * cpp; } if (pipe_clip_tile(x, y, &w, &h, ps)) return; pSrc = ps->map + (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; } } /** * 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; assert(ps->map); if (src_stride == 0) { src_stride = w * cpp; } if (pipe_clip_tile(x, y, &w, &h, ps)) return; pSrc = (const ubyte *) p; pDest = ps->map + (y * ps->pitch + x) * cpp; for (i = 0; i < h; i++) { memcpy(pDest, pSrc, w * cpp); pDest += dst_stride; pSrc += src_stride; } } /** 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(struct pipe_surface *ps, unsigned x, unsigned y, unsigned w, unsigned h, float *p) { const unsigned *src = ((const unsigned *) (ps->map)) + y * ps->pitch + x; unsigned i, j; unsigned w0 = w; assert(ps->format == PIPE_FORMAT_A8R8G8B8_UNORM); if (pipe_clip_tile(x, y, &w, &h, ps)) return; for (i = 0; i < h; i++) { float *pRow = p; for (j = 0; j < w; j++) { const unsigned pixel = src[j]; 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); pRow += 4; } src += ps->pitch; p += w0 * 4; } } static void a8r8g8b8_put_tile_rgba(struct pipe_surface *ps, unsigned x, unsigned y, unsigned w, unsigned h, const float *p) { unsigned *dst = ((unsigned *) (ps->map)) + y * ps->pitch + x; unsigned i, j; unsigned w0 = w; assert(ps->format == PIPE_FORMAT_A8R8G8B8_UNORM); if (pipe_clip_tile(x, y, &w, &h, ps)) return; for (i = 0; i < h; i++) { const float *pRow = p; for (j = 0; j < w; j++) { 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[j] = (a << 24) | (r << 16) | (g << 8) | b; pRow += 4; } dst += ps->pitch; p += w0 * 4; } } /*** PIPE_FORMAT_B8G8R8A8_UNORM ***/ static void b8g8r8a8_get_tile_rgba(struct pipe_surface *ps, unsigned x, unsigned y, unsigned w, unsigned h, float *p) { const unsigned *src = ((const unsigned *) (ps->map)) + y * ps->pitch + x; unsigned i, j; unsigned w0 = w; assert(ps->format == PIPE_FORMAT_B8G8R8A8_UNORM); if (pipe_clip_tile(x, y, &w, &h, ps)) return; for (i = 0; i < h; i++) { float *pRow = p; for (j = 0; j < w; j++) { const unsigned pixel = src[j]; 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); pRow += 4; } src += ps->pitch; p += w0 * 4; } } static void b8g8r8a8_put_tile_rgba(struct pipe_surface *ps, unsigned x, unsigned y, unsigned w, unsigned h, const float *p) { unsigned *dst = ((unsigned *) (ps->map)) + y * ps->pitch + x; unsigned i, j; unsigned w0 = w; assert(ps->format == PIPE_FORMAT_B8G8R8A8_UNORM); if (pipe_clip_tile(x, y, &w, &h, ps)) return; for (i = 0; i < h; i++) { const float *pRow = p; for (j = 0; j < w; j++) { 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[j] = (b << 24) | (g << 16) | (r << 8) | a; pRow += 4; } dst += ps->pitch; p += w0 * 4; } } /*** PIPE_FORMAT_A1R5G5B5_UNORM ***/ static void a1r5g5b5_get_tile_rgba(struct pipe_surface *ps, unsigned x, unsigned y, unsigned w, unsigned h, float *p) { const ushort *src = ((const ushort *) (ps->map)) + y * ps->pitch + x; unsigned i, j; assert(ps->format == PIPE_FORMAT_A1R5G5B5_UNORM); for (i = 0; i < h; i++) { for (j = 0; j < w; j++) { const ushort pixel = src[j]; p[0] = ((pixel >> 10) & 0x1f) * (1.0f / 31.0f); p[1] = ((pixel >> 5) & 0x1f) * (1.0f / 31.0f); p[2] = ((pixel ) & 0x1f) * (1.0f / 31.0f); p[3] = ((pixel >> 15) ) * 1.0f; p += 4; } src += ps->pitch; } } /*** PIPE_FORMAT_A4R4G4B4_UNORM ***/ static void a4r4g4b4_get_tile_rgba(struct pipe_surface *ps, unsigned x, unsigned y, unsigned w, unsigned h, float *p) { const ushort *src = ((const ushort *) (ps->map)) + y * ps->pitch + x; unsigned i, j; assert(ps->format == PIPE_FORMAT_A4R4G4B4_UNORM); for (i = 0; i < h; i++) { for (j = 0; j < w; j++) { const ushort pixel = src[j]; p[0] = ((pixel >> 8) & 0xf) * (1.0f / 15.0f); p[1] = ((pixel >> 4) & 0xf) * (1.0f / 15.0f); p[2] = ((pixel ) & 0xf) * (1.0f / 15.0f); p[3] = ((pixel >> 12) ) * (1.0f / 15.0f); p += 4; } src += ps->pitch; } } /*** PIPE_FORMAT_R5G6B5_UNORM ***/ static void r5g6b5_get_tile_rgba(struct pipe_surface *ps, unsigned x, unsigned y, unsigned w, unsigned h, float *p) { const ushort *src = ((const ushort *) (ps->map)) + y * ps->pitch + x; unsigned i, j; assert(ps->format == PIPE_FORMAT_R5G6B5_UNORM); for (i = 0; i < h; i++) { for (j = 0; j < w; j++) { const ushort pixel = src[j]; p[0] = ((pixel >> 11) & 0x1f) * (1.0f / 31.0f); p[1] = ((pixel >> 5) & 0x3f) * (1.0f / 63.0f); p[2] = ((pixel ) & 0x1f) * (1.0f / 31.0f); p[3] = 1.0f; p += 4; } src += ps->pitch; } } static void r5g5b5_put_tile_rgba(struct pipe_surface *ps, unsigned x, unsigned y, unsigned w, unsigned h, const float *p) { ushort *dst = ((ushort *) (ps->map)) + y * ps->pitch + x; unsigned i, j; unsigned w0 = w; assert(ps->format == PIPE_FORMAT_R5G6B5_UNORM); if (pipe_clip_tile(x, y, &w, &h, ps)) return; for (i = 0; i < h; i++) { const float *pRow = p; for (j = 0; j < w; j++) { 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[j] = (r << 11) | (g << 5) | (b); pRow += 4; } dst += ps->pitch; p += w0 * 4; } } /*** PIPE_FORMAT_Z16_UNORM ***/ /** * Return each Z value as four floats in [0,1]. */ static void z16_get_tile_rgba(struct pipe_surface *ps, unsigned x, unsigned y, unsigned w, unsigned h, float *p) { const ushort *src = ((const ushort *) (ps->map)) + y * ps->pitch + x; const float scale = 1.0f / 65535.0f; unsigned i, j; unsigned w0 = w; assert(ps->format == PIPE_FORMAT_Z16_UNORM); if (pipe_clip_tile(x, y, &w, &h, ps)) return; for (i = 0; i < h; i++) { float *pRow = p; for (j = 0; j < w; j++) { pRow[j * 4 + 0] = pRow[j * 4 + 1] = pRow[j * 4 + 2] = pRow[j * 4 + 3] = src[j] * scale; } src += ps->pitch; p += 4 * w0; } } /*** PIPE_FORMAT_U_L8 ***/ static void l8_get_tile_rgba(struct pipe_surface *ps, unsigned x, unsigned y, unsigned w, unsigned h, float *p) { const ubyte *src = ((const ubyte *) (ps->map)) + y * ps->pitch + x; unsigned i, j; unsigned w0 = w; assert(ps->format == PIPE_FORMAT_U_L8); if (pipe_clip_tile(x, y, &w, &h, ps)) return; for (i = 0; i < h; i++) { float *pRow = p; for (j = 0; j < w; j++) { pRow[0] = pRow[1] = pRow[2] = UBYTE_TO_FLOAT(src[j]); pRow[3] = 1.0; pRow += 4; } src += ps->pitch; p += w0 * 4; } } /*** PIPE_FORMAT_U_A8 ***/ static void a8_get_tile_rgba(struct pipe_surface *ps, unsigned x, unsigned y, unsigned w, unsigned h, float *p) { const ubyte *src = ((const ubyte *) (ps->map)) + y * ps->pitch + x; unsigned i, j; unsigned w0 = w; assert(ps->format == PIPE_FORMAT_U_A8); if (pipe_clip_tile(x, y, &w, &h, ps)) return; for (i = 0; i < h; i++) { float *pRow = p; for (j = 0; j < w; j++) { pRow[0] = pRow[1] = pRow[2] = 0.0; pRow[3] = UBYTE_TO_FLOAT(src[j]); pRow += 4; } src += ps->pitch; p += w0 * 4; } } /*** PIPE_FORMAT_R16G16B16A16_SNORM ***/ static void r16g16b16a16_get_tile_rgba(struct pipe_surface *ps, unsigned x, unsigned y, unsigned w, unsigned h, float *p) { const short *src = ((const short *) (ps->map)) + (y * ps->pitch + x) * 4; unsigned i, j; unsigned w0 = w; assert(ps->format == PIPE_FORMAT_R16G16B16A16_SNORM); if (pipe_clip_tile(x, y, &w, &h, ps)) return; for (i = 0; i < h; i++) { float *pRow = p; const short *pixel = src; for (j = 0; j < w; j++) { pRow[0] = SHORT_TO_FLOAT(pixel[0]); pRow[1] = SHORT_TO_FLOAT(pixel[1]); pRow[2] = SHORT_TO_FLOAT(pixel[2]); pRow[3] = SHORT_TO_FLOAT(pixel[3]); pRow += 4; pixel += 4; } src += ps->pitch * 4; p += w0 * 4; } } static void r16g16b16a16_put_tile_rgba(struct pipe_surface *ps, unsigned x, unsigned y, unsigned w, unsigned h, const float *p) { short *dst = ((short *) (ps->map)) + (y * ps->pitch + x) * 4; unsigned i, j; unsigned w0 = w; assert(ps->format == PIPE_FORMAT_R16G16B16A16_SNORM); if (pipe_clip_tile(x, y, &w, &h, ps)) return; for (i = 0; i < h; i++) { const float *pRow = p; for (j = 0; j < w; j++) { short r, g, b, a; UNCLAMPED_FLOAT_TO_SHORT(r, pRow[0]); UNCLAMPED_FLOAT_TO_SHORT(g, pRow[1]); UNCLAMPED_FLOAT_TO_SHORT(b, pRow[2]); UNCLAMPED_FLOAT_TO_SHORT(a, pRow[3]); dst[j*4+0] = r; dst[j*4+1] = g; dst[j*4+2] = b; dst[j*4+3] = a; pRow += 4; } dst += ps->pitch * 4; p += w0 * 4; } } /*** PIPE_FORMAT_U_I8 ***/ static void i8_get_tile_rgba(struct pipe_surface *ps, unsigned x, unsigned y, unsigned w, unsigned h, float *p) { const ubyte *src = ((const ubyte *) (ps->map)) + y * ps->pitch + x; unsigned i, j; unsigned w0 = w; assert(ps->format == PIPE_FORMAT_U_I8); if (pipe_clip_tile(x, y, &w, &h, ps)) return; for (i = 0; i < h; i++) { float *pRow = p; for (j = 0; j < w; j++) { pRow[0] = pRow[1] = pRow[2] = pRow[3] = UBYTE_TO_FLOAT(src[j]); pRow += 4; } src += ps->pitch; p += w0 * 4; } } /*** PIPE_FORMAT_U_A8_L8 ***/ static void a8_l8_get_tile_rgba(struct pipe_surface *ps, unsigned x, unsigned y, unsigned w, unsigned h, float *p) { const ushort *src = ((const ushort *) (ps->map)) + y * ps->pitch + x; unsigned i, j; unsigned w0 = w; assert(ps->format == PIPE_FORMAT_U_A8_L8); if (pipe_clip_tile(x, y, &w, &h, ps)) return; for (i = 0; i < h; i++) { float *pRow = p; for (j = 0; j < w; j++) { const ushort p = src[j]; pRow[0] = pRow[1] = pRow[2] = UBYTE_TO_FLOAT(p & 0xff); pRow[3] = UBYTE_TO_FLOAT(p >> 8); pRow += 4; } src += ps->pitch; p += w0 * 4; } } /*** PIPE_FORMAT_Z32_UNORM ***/ /** * Return each Z value as four floats in [0,1]. */ static void z32_get_tile_rgba(struct pipe_surface *ps, unsigned x, unsigned y, unsigned w, unsigned h, float *p) { const uint *src = ((const uint *) (ps->map)) + y * ps->pitch + x; const double scale = 1.0 / (double) 0xffffffff; unsigned i, j; unsigned w0 = w; assert(ps->format == PIPE_FORMAT_Z16_UNORM); if (pipe_clip_tile(x, y, &w, &h, ps)) return; for (i = 0; i < h; i++) { float *pRow = p; for (j = 0; j < w; j++) { pRow[j * 4 + 0] = pRow[j * 4 + 1] = pRow[j * 4 + 2] = pRow[j * 4 + 3] = (float) (scale * src[j]); } src += ps->pitch; p += 4 * w0; } } /*** PIPE_FORMAT_S8Z24_UNORM ***/ /** * Return Z component as four float in [0,1]. Stencil part ignored. */ static void s8z24_get_tile_rgba(struct pipe_surface *ps, unsigned x, unsigned y, unsigned w, unsigned h, float *p) { const uint *src = ((const uint *) (ps->map)) + y * ps->pitch + x; const double scale = 1.0 / ((1 << 24) - 1); unsigned i, j; unsigned w0 = w; assert(ps->format == PIPE_FORMAT_S8Z24_UNORM); if (pipe_clip_tile(x, y, &w, &h, ps)) return; for (i = 0; i < h; i++) { float *pRow = p; for (j = 0; j < w; j++) { pRow[j * 4 + 0] = pRow[j * 4 + 1] = pRow[j * 4 + 2] = pRow[j * 4 + 3] = (float) (scale * (src[j] & 0xffffff)); } src += ps->pitch; p += 4 * w0; } } /*** PIPE_FORMAT_Z24S8_UNORM ***/ /** * Return Z component as four float in [0,1]. Stencil part ignored. */ static void z24s8_get_tile_rgba(struct pipe_surface *ps, unsigned x, unsigned y, unsigned w, unsigned h, float *p) { const uint *src = ((const uint *) (ps->map)) + y * ps->pitch + x; const double scale = 1.0 / ((1 << 24) - 1); unsigned i, j; unsigned w0 = w; assert(ps->format == PIPE_FORMAT_Z24S8_UNORM); if (pipe_clip_tile(x, y, &w, &h, ps)) return; for (i = 0; i < h; i++) { float *pRow = p; for (j = 0; j < w; j++) { pRow[j * 4 + 0] = pRow[j * 4 + 1] = pRow[j * 4 + 2] = pRow[j * 4 + 3] = (float) (scale * (src[j] >> 8)); } src += ps->pitch; p += 4 * w0; } } void pipe_get_tile_rgba(struct pipe_context *pipe, struct pipe_surface *ps, uint x, uint y, uint w, uint h, float *p) { switch (ps->format) { case PIPE_FORMAT_A8R8G8B8_UNORM: a8r8g8b8_get_tile_rgba(ps, x, y, w, h, p); break; case PIPE_FORMAT_B8G8R8A8_UNORM: b8g8r8a8_get_tile_rgba(ps, x, y, w, h, p); break; case PIPE_FORMAT_A1R5G5B5_UNORM: a1r5g5b5_get_tile_rgba(ps, x, y, w, h, p); break; case PIPE_FORMAT_A4R4G4B4_UNORM: a4r4g4b4_get_tile_rgba(ps, x, y, w, h, p); break; case PIPE_FORMAT_R5G6B5_UNORM: r5g6b5_get_tile_rgba(ps, x, y, w, h, p); break; case PIPE_FORMAT_U_L8: l8_get_tile_rgba(ps, x, y, w, h, p); break; case PIPE_FORMAT_U_A8: a8_get_tile_rgba(ps, x, y, w, h, p); break; case PIPE_FORMAT_U_I8: i8_get_tile_rgba(ps, x, y, w, h, p); break; case PIPE_FORMAT_U_A8_L8: a8_l8_get_tile_rgba(ps, x, y, w, h, p); break; case PIPE_FORMAT_R16G16B16A16_SNORM: r16g16b16a16_get_tile_rgba(ps, x, y, w, h, p); break; case PIPE_FORMAT_Z16_UNORM: z16_get_tile_rgba(ps, x, y, w, h, p); break; case PIPE_FORMAT_Z32_UNORM: z32_get_tile_rgba(ps, x, y, w, h, p); break; case PIPE_FORMAT_S8Z24_UNORM: s8z24_get_tile_rgba(ps, x, y, w, h, p); break; case PIPE_FORMAT_Z24S8_UNORM: z24s8_get_tile_rgba(ps, x, y, w, h, p); break; default: assert(0); } } void pipe_put_tile_rgba(struct pipe_context *pipe, struct pipe_surface *ps, uint x, uint y, uint w, uint h, const float *p) { switch (ps->format) { case PIPE_FORMAT_A8R8G8B8_UNORM: a8r8g8b8_put_tile_rgba(ps, x, y, w, h, p); break; case PIPE_FORMAT_B8G8R8A8_UNORM: b8g8r8a8_put_tile_rgba(ps, x, y, w, h, p); break; case PIPE_FORMAT_A1R5G5B5_UNORM: /*a1r5g5b5_put_tile_rgba(ps, x, y, w, h, p);*/ break; case PIPE_FORMAT_R5G6B5_UNORM: r5g5b5_put_tile_rgba(ps, x, y, w, h, p); break; case PIPE_FORMAT_R8G8B8A8_UNORM: break; case PIPE_FORMAT_U_L8: /*l8_put_tile_rgba(ps, x, y, w, h, p);*/ break; case PIPE_FORMAT_U_A8: /*a8_put_tile_rgba(ps, x, y, w, h, p);*/ break; case PIPE_FORMAT_U_I8: /*i8_put_tile_rgba(ps, x, y, w, h, p);*/ break; case PIPE_FORMAT_U_A8_L8: /*a8_l8_put_tile_rgba(ps, x, y, w, h, p);*/ break; case PIPE_FORMAT_R16G16B16A16_SNORM: r16g16b16a16_put_tile_rgba(ps, x, y, w, h, p); break; case PIPE_FORMAT_Z16_UNORM: /*z16_put_tile_rgba(ps, x, y, w, h, p);*/ break; case PIPE_FORMAT_Z32_UNORM: /*z32_put_tile_rgba(ps, x, y, w, h, p);*/ break; case PIPE_FORMAT_S8Z24_UNORM: /*s8z24_put_tile_rgba(ps, x, y, w, h, p);*/ break; case PIPE_FORMAT_Z24S8_UNORM: /*z24s8_put_tile_rgba(ps, x, y, w, h, p);*/ break; default: assert(0); } }