1704 lines
60 KiB
C
1704 lines
60 KiB
C
/**************************************************************************
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*
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* Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
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* All Rights Reserved.
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* Copyright 2008 VMware, Inc. All rights reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sub license, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial portions
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* of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
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* IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
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* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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**************************************************************************/
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/**
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* @file
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* Mipmap generation utility
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*
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* @author Brian Paul
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*/
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#include "pipe/p_context.h"
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#include "util/u_debug.h"
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#include "pipe/p_defines.h"
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#include "util/u_inlines.h"
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#include "pipe/p_shader_tokens.h"
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#include "pipe/p_state.h"
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#include "util/u_format.h"
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#include "util/u_memory.h"
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#include "util/u_draw_quad.h"
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#include "util/u_gen_mipmap.h"
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#include "util/u_simple_shaders.h"
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#include "util/u_math.h"
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#include "util/u_texture.h"
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#include "util/u_half.h"
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#include "util/u_surface.h"
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#include "cso_cache/cso_context.h"
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struct gen_mipmap_state
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{
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struct pipe_context *pipe;
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struct cso_context *cso;
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struct pipe_blend_state blend_keep_color, blend_write_color;
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struct pipe_depth_stencil_alpha_state dsa_keep_depth, dsa_write_depth;
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struct pipe_rasterizer_state rasterizer;
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struct pipe_sampler_state sampler;
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struct pipe_vertex_element velem[2];
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void *vs;
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/** Not all are used, but simplifies code */
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void *fs_color[TGSI_TEXTURE_COUNT];
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void *fs_depth[TGSI_TEXTURE_COUNT];
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struct pipe_resource *vbuf; /**< quad vertices */
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unsigned vbuf_slot;
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float vertices[4][2][4]; /**< vertex/texcoords for quad */
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};
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enum dtype
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{
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DTYPE_UBYTE,
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DTYPE_UBYTE_3_3_2,
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DTYPE_USHORT,
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DTYPE_USHORT_4_4_4_4,
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DTYPE_USHORT_5_6_5,
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DTYPE_USHORT_1_5_5_5_REV,
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DTYPE_UINT,
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DTYPE_FLOAT,
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DTYPE_HALF_FLOAT
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};
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typedef uint16_t half_float;
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/**
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* \name Support macros for do_row and do_row_3d
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*
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* The macro madness is here for two reasons. First, it compacts the code
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* slightly. Second, it makes it much easier to adjust the specifics of the
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* filter to tune the rounding characteristics.
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*/
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/*@{*/
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#define DECLARE_ROW_POINTERS(t, e) \
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const t(*rowA)[e] = (const t(*)[e]) srcRowA; \
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const t(*rowB)[e] = (const t(*)[e]) srcRowB; \
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const t(*rowC)[e] = (const t(*)[e]) srcRowC; \
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const t(*rowD)[e] = (const t(*)[e]) srcRowD; \
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t(*dst)[e] = (t(*)[e]) dstRow
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#define DECLARE_ROW_POINTERS0(t) \
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const t *rowA = (const t *) srcRowA; \
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const t *rowB = (const t *) srcRowB; \
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const t *rowC = (const t *) srcRowC; \
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const t *rowD = (const t *) srcRowD; \
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t *dst = (t *) dstRow
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#define FILTER_SUM_3D(Aj, Ak, Bj, Bk, Cj, Ck, Dj, Dk) \
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((unsigned) Aj + (unsigned) Ak \
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+ (unsigned) Bj + (unsigned) Bk \
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+ (unsigned) Cj + (unsigned) Ck \
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+ (unsigned) Dj + (unsigned) Dk \
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+ 4) >> 3
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#define FILTER_3D(e) \
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do { \
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dst[i][e] = FILTER_SUM_3D(rowA[j][e], rowA[k][e], \
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rowB[j][e], rowB[k][e], \
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rowC[j][e], rowC[k][e], \
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rowD[j][e], rowD[k][e]); \
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} while(0)
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#define FILTER_F_3D(e) \
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do { \
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dst[i][e] = (rowA[j][e] + rowA[k][e] \
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+ rowB[j][e] + rowB[k][e] \
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+ rowC[j][e] + rowC[k][e] \
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+ rowD[j][e] + rowD[k][e]) * 0.125F; \
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} while(0)
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#define FILTER_HF_3D(e) \
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do { \
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const float aj = util_half_to_float(rowA[j][e]); \
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const float ak = util_half_to_float(rowA[k][e]); \
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const float bj = util_half_to_float(rowB[j][e]); \
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const float bk = util_half_to_float(rowB[k][e]); \
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const float cj = util_half_to_float(rowC[j][e]); \
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const float ck = util_half_to_float(rowC[k][e]); \
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const float dj = util_half_to_float(rowD[j][e]); \
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const float dk = util_half_to_float(rowD[k][e]); \
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dst[i][e] = util_float_to_half((aj + ak + bj + bk + cj + ck + dj + dk) \
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* 0.125F); \
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} while(0)
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/*@}*/
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/**
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* Average together two rows of a source image to produce a single new
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* row in the dest image. It's legal for the two source rows to point
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* to the same data. The source width must be equal to either the
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* dest width or two times the dest width.
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* \param datatype GL_UNSIGNED_BYTE, GL_UNSIGNED_SHORT, GL_FLOAT, etc.
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* \param comps number of components per pixel (1..4)
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*/
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static void
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do_row(enum dtype datatype, uint comps, int srcWidth,
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const void *srcRowA, const void *srcRowB,
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int dstWidth, void *dstRow)
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{
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const uint k0 = (srcWidth == dstWidth) ? 0 : 1;
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const uint colStride = (srcWidth == dstWidth) ? 1 : 2;
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assert(comps >= 1);
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assert(comps <= 4);
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/* This assertion is no longer valid with non-power-of-2 textures
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assert(srcWidth == dstWidth || srcWidth == 2 * dstWidth);
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*/
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if (datatype == DTYPE_UBYTE && comps == 4) {
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uint i, j, k;
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const ubyte(*rowA)[4] = (const ubyte(*)[4]) srcRowA;
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const ubyte(*rowB)[4] = (const ubyte(*)[4]) srcRowB;
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ubyte(*dst)[4] = (ubyte(*)[4]) dstRow;
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for (i = j = 0, k = k0; i < (uint) dstWidth;
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i++, j += colStride, k += colStride) {
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dst[i][0] = (rowA[j][0] + rowA[k][0] + rowB[j][0] + rowB[k][0]) / 4;
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dst[i][1] = (rowA[j][1] + rowA[k][1] + rowB[j][1] + rowB[k][1]) / 4;
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dst[i][2] = (rowA[j][2] + rowA[k][2] + rowB[j][2] + rowB[k][2]) / 4;
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dst[i][3] = (rowA[j][3] + rowA[k][3] + rowB[j][3] + rowB[k][3]) / 4;
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}
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}
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else if (datatype == DTYPE_UBYTE && comps == 3) {
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uint i, j, k;
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const ubyte(*rowA)[3] = (const ubyte(*)[3]) srcRowA;
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const ubyte(*rowB)[3] = (const ubyte(*)[3]) srcRowB;
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ubyte(*dst)[3] = (ubyte(*)[3]) dstRow;
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for (i = j = 0, k = k0; i < (uint) dstWidth;
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i++, j += colStride, k += colStride) {
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dst[i][0] = (rowA[j][0] + rowA[k][0] + rowB[j][0] + rowB[k][0]) / 4;
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dst[i][1] = (rowA[j][1] + rowA[k][1] + rowB[j][1] + rowB[k][1]) / 4;
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dst[i][2] = (rowA[j][2] + rowA[k][2] + rowB[j][2] + rowB[k][2]) / 4;
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}
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}
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else if (datatype == DTYPE_UBYTE && comps == 2) {
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uint i, j, k;
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const ubyte(*rowA)[2] = (const ubyte(*)[2]) srcRowA;
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const ubyte(*rowB)[2] = (const ubyte(*)[2]) srcRowB;
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ubyte(*dst)[2] = (ubyte(*)[2]) dstRow;
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for (i = j = 0, k = k0; i < (uint) dstWidth;
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i++, j += colStride, k += colStride) {
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dst[i][0] = (rowA[j][0] + rowA[k][0] + rowB[j][0] + rowB[k][0]) >> 2;
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dst[i][1] = (rowA[j][1] + rowA[k][1] + rowB[j][1] + rowB[k][1]) >> 2;
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}
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}
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else if (datatype == DTYPE_UBYTE && comps == 1) {
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uint i, j, k;
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const ubyte *rowA = (const ubyte *) srcRowA;
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const ubyte *rowB = (const ubyte *) srcRowB;
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ubyte *dst = (ubyte *) dstRow;
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for (i = j = 0, k = k0; i < (uint) dstWidth;
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i++, j += colStride, k += colStride) {
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dst[i] = (rowA[j] + rowA[k] + rowB[j] + rowB[k]) >> 2;
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}
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}
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else if (datatype == DTYPE_USHORT && comps == 4) {
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uint i, j, k;
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const ushort(*rowA)[4] = (const ushort(*)[4]) srcRowA;
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const ushort(*rowB)[4] = (const ushort(*)[4]) srcRowB;
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ushort(*dst)[4] = (ushort(*)[4]) dstRow;
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for (i = j = 0, k = k0; i < (uint) dstWidth;
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i++, j += colStride, k += colStride) {
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dst[i][0] = (rowA[j][0] + rowA[k][0] + rowB[j][0] + rowB[k][0]) / 4;
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dst[i][1] = (rowA[j][1] + rowA[k][1] + rowB[j][1] + rowB[k][1]) / 4;
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dst[i][2] = (rowA[j][2] + rowA[k][2] + rowB[j][2] + rowB[k][2]) / 4;
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dst[i][3] = (rowA[j][3] + rowA[k][3] + rowB[j][3] + rowB[k][3]) / 4;
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}
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}
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else if (datatype == DTYPE_USHORT && comps == 3) {
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uint i, j, k;
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const ushort(*rowA)[3] = (const ushort(*)[3]) srcRowA;
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const ushort(*rowB)[3] = (const ushort(*)[3]) srcRowB;
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ushort(*dst)[3] = (ushort(*)[3]) dstRow;
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for (i = j = 0, k = k0; i < (uint) dstWidth;
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i++, j += colStride, k += colStride) {
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dst[i][0] = (rowA[j][0] + rowA[k][0] + rowB[j][0] + rowB[k][0]) / 4;
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dst[i][1] = (rowA[j][1] + rowA[k][1] + rowB[j][1] + rowB[k][1]) / 4;
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dst[i][2] = (rowA[j][2] + rowA[k][2] + rowB[j][2] + rowB[k][2]) / 4;
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}
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}
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else if (datatype == DTYPE_USHORT && comps == 2) {
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uint i, j, k;
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const ushort(*rowA)[2] = (const ushort(*)[2]) srcRowA;
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const ushort(*rowB)[2] = (const ushort(*)[2]) srcRowB;
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ushort(*dst)[2] = (ushort(*)[2]) dstRow;
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for (i = j = 0, k = k0; i < (uint) dstWidth;
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i++, j += colStride, k += colStride) {
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dst[i][0] = (rowA[j][0] + rowA[k][0] + rowB[j][0] + rowB[k][0]) / 4;
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dst[i][1] = (rowA[j][1] + rowA[k][1] + rowB[j][1] + rowB[k][1]) / 4;
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}
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}
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else if (datatype == DTYPE_USHORT && comps == 1) {
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uint i, j, k;
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const ushort *rowA = (const ushort *) srcRowA;
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const ushort *rowB = (const ushort *) srcRowB;
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ushort *dst = (ushort *) dstRow;
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for (i = j = 0, k = k0; i < (uint) dstWidth;
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i++, j += colStride, k += colStride) {
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dst[i] = (rowA[j] + rowA[k] + rowB[j] + rowB[k]) / 4;
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}
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}
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else if (datatype == DTYPE_FLOAT && comps == 4) {
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uint i, j, k;
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const float(*rowA)[4] = (const float(*)[4]) srcRowA;
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const float(*rowB)[4] = (const float(*)[4]) srcRowB;
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float(*dst)[4] = (float(*)[4]) dstRow;
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for (i = j = 0, k = k0; i < (uint) dstWidth;
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i++, j += colStride, k += colStride) {
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dst[i][0] = (rowA[j][0] + rowA[k][0] +
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rowB[j][0] + rowB[k][0]) * 0.25F;
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dst[i][1] = (rowA[j][1] + rowA[k][1] +
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rowB[j][1] + rowB[k][1]) * 0.25F;
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dst[i][2] = (rowA[j][2] + rowA[k][2] +
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rowB[j][2] + rowB[k][2]) * 0.25F;
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dst[i][3] = (rowA[j][3] + rowA[k][3] +
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rowB[j][3] + rowB[k][3]) * 0.25F;
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}
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}
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else if (datatype == DTYPE_FLOAT && comps == 3) {
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uint i, j, k;
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const float(*rowA)[3] = (const float(*)[3]) srcRowA;
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const float(*rowB)[3] = (const float(*)[3]) srcRowB;
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float(*dst)[3] = (float(*)[3]) dstRow;
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for (i = j = 0, k = k0; i < (uint) dstWidth;
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i++, j += colStride, k += colStride) {
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dst[i][0] = (rowA[j][0] + rowA[k][0] +
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rowB[j][0] + rowB[k][0]) * 0.25F;
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dst[i][1] = (rowA[j][1] + rowA[k][1] +
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rowB[j][1] + rowB[k][1]) * 0.25F;
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dst[i][2] = (rowA[j][2] + rowA[k][2] +
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rowB[j][2] + rowB[k][2]) * 0.25F;
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}
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}
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else if (datatype == DTYPE_FLOAT && comps == 2) {
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uint i, j, k;
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const float(*rowA)[2] = (const float(*)[2]) srcRowA;
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const float(*rowB)[2] = (const float(*)[2]) srcRowB;
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float(*dst)[2] = (float(*)[2]) dstRow;
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for (i = j = 0, k = k0; i < (uint) dstWidth;
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i++, j += colStride, k += colStride) {
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dst[i][0] = (rowA[j][0] + rowA[k][0] +
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rowB[j][0] + rowB[k][0]) * 0.25F;
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dst[i][1] = (rowA[j][1] + rowA[k][1] +
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rowB[j][1] + rowB[k][1]) * 0.25F;
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}
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}
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else if (datatype == DTYPE_FLOAT && comps == 1) {
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uint i, j, k;
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const float *rowA = (const float *) srcRowA;
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const float *rowB = (const float *) srcRowB;
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float *dst = (float *) dstRow;
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for (i = j = 0, k = k0; i < (uint) dstWidth;
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i++, j += colStride, k += colStride) {
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dst[i] = (rowA[j] + rowA[k] + rowB[j] + rowB[k]) * 0.25F;
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}
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}
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else if (datatype == DTYPE_HALF_FLOAT && comps == 4) {
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uint i, j, k, comp;
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const half_float(*rowA)[4] = (const half_float(*)[4]) srcRowA;
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const half_float(*rowB)[4] = (const half_float(*)[4]) srcRowB;
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half_float(*dst)[4] = (half_float(*)[4]) dstRow;
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for (i = j = 0, k = k0; i < (uint) dstWidth;
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i++, j += colStride, k += colStride) {
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for (comp = 0; comp < 4; comp++) {
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float aj, ak, bj, bk;
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aj = util_half_to_float(rowA[j][comp]);
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ak = util_half_to_float(rowA[k][comp]);
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bj = util_half_to_float(rowB[j][comp]);
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bk = util_half_to_float(rowB[k][comp]);
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dst[i][comp] = util_float_to_half((aj + ak + bj + bk) * 0.25F);
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}
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}
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}
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else if (datatype == DTYPE_HALF_FLOAT && comps == 3) {
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uint i, j, k, comp;
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const half_float(*rowA)[3] = (const half_float(*)[3]) srcRowA;
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const half_float(*rowB)[3] = (const half_float(*)[3]) srcRowB;
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half_float(*dst)[3] = (half_float(*)[3]) dstRow;
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for (i = j = 0, k = k0; i < (uint) dstWidth;
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i++, j += colStride, k += colStride) {
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for (comp = 0; comp < 3; comp++) {
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float aj, ak, bj, bk;
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aj = util_half_to_float(rowA[j][comp]);
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ak = util_half_to_float(rowA[k][comp]);
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bj = util_half_to_float(rowB[j][comp]);
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bk = util_half_to_float(rowB[k][comp]);
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dst[i][comp] = util_float_to_half((aj + ak + bj + bk) * 0.25F);
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}
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}
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}
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else if (datatype == DTYPE_HALF_FLOAT && comps == 2) {
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uint i, j, k, comp;
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const half_float(*rowA)[2] = (const half_float(*)[2]) srcRowA;
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const half_float(*rowB)[2] = (const half_float(*)[2]) srcRowB;
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half_float(*dst)[2] = (half_float(*)[2]) dstRow;
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for (i = j = 0, k = k0; i < (uint) dstWidth;
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i++, j += colStride, k += colStride) {
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for (comp = 0; comp < 2; comp++) {
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float aj, ak, bj, bk;
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aj = util_half_to_float(rowA[j][comp]);
|
|
ak = util_half_to_float(rowA[k][comp]);
|
|
bj = util_half_to_float(rowB[j][comp]);
|
|
bk = util_half_to_float(rowB[k][comp]);
|
|
dst[i][comp] = util_float_to_half((aj + ak + bj + bk) * 0.25F);
|
|
}
|
|
}
|
|
}
|
|
else if (datatype == DTYPE_HALF_FLOAT && comps == 1) {
|
|
uint i, j, k;
|
|
const half_float *rowA = (const half_float *) srcRowA;
|
|
const half_float *rowB = (const half_float *) srcRowB;
|
|
half_float *dst = (half_float *) dstRow;
|
|
for (i = j = 0, k = k0; i < (uint) dstWidth;
|
|
i++, j += colStride, k += colStride) {
|
|
float aj, ak, bj, bk;
|
|
aj = util_half_to_float(rowA[j]);
|
|
ak = util_half_to_float(rowA[k]);
|
|
bj = util_half_to_float(rowB[j]);
|
|
bk = util_half_to_float(rowB[k]);
|
|
dst[i] = util_float_to_half((aj + ak + bj + bk) * 0.25F);
|
|
}
|
|
}
|
|
|
|
else if (datatype == DTYPE_UINT && comps == 1) {
|
|
uint i, j, k;
|
|
const uint *rowA = (const uint *) srcRowA;
|
|
const uint *rowB = (const uint *) srcRowB;
|
|
uint *dst = (uint *) dstRow;
|
|
for (i = j = 0, k = k0; i < (uint) dstWidth;
|
|
i++, j += colStride, k += colStride) {
|
|
dst[i] = rowA[j] / 4 + rowA[k] / 4 + rowB[j] / 4 + rowB[k] / 4;
|
|
}
|
|
}
|
|
|
|
else if (datatype == DTYPE_USHORT_5_6_5 && comps == 3) {
|
|
uint i, j, k;
|
|
const ushort *rowA = (const ushort *) srcRowA;
|
|
const ushort *rowB = (const ushort *) srcRowB;
|
|
ushort *dst = (ushort *) dstRow;
|
|
for (i = j = 0, k = k0; i < (uint) dstWidth;
|
|
i++, j += colStride, k += colStride) {
|
|
const int rowAr0 = rowA[j] & 0x1f;
|
|
const int rowAr1 = rowA[k] & 0x1f;
|
|
const int rowBr0 = rowB[j] & 0x1f;
|
|
const int rowBr1 = rowB[k] & 0x1f;
|
|
const int rowAg0 = (rowA[j] >> 5) & 0x3f;
|
|
const int rowAg1 = (rowA[k] >> 5) & 0x3f;
|
|
const int rowBg0 = (rowB[j] >> 5) & 0x3f;
|
|
const int rowBg1 = (rowB[k] >> 5) & 0x3f;
|
|
const int rowAb0 = (rowA[j] >> 11) & 0x1f;
|
|
const int rowAb1 = (rowA[k] >> 11) & 0x1f;
|
|
const int rowBb0 = (rowB[j] >> 11) & 0x1f;
|
|
const int rowBb1 = (rowB[k] >> 11) & 0x1f;
|
|
const int red = (rowAr0 + rowAr1 + rowBr0 + rowBr1) >> 2;
|
|
const int green = (rowAg0 + rowAg1 + rowBg0 + rowBg1) >> 2;
|
|
const int blue = (rowAb0 + rowAb1 + rowBb0 + rowBb1) >> 2;
|
|
dst[i] = (blue << 11) | (green << 5) | red;
|
|
}
|
|
}
|
|
else if (datatype == DTYPE_USHORT_4_4_4_4 && comps == 4) {
|
|
uint i, j, k;
|
|
const ushort *rowA = (const ushort *) srcRowA;
|
|
const ushort *rowB = (const ushort *) srcRowB;
|
|
ushort *dst = (ushort *) dstRow;
|
|
for (i = j = 0, k = k0; i < (uint) dstWidth;
|
|
i++, j += colStride, k += colStride) {
|
|
const int rowAr0 = rowA[j] & 0xf;
|
|
const int rowAr1 = rowA[k] & 0xf;
|
|
const int rowBr0 = rowB[j] & 0xf;
|
|
const int rowBr1 = rowB[k] & 0xf;
|
|
const int rowAg0 = (rowA[j] >> 4) & 0xf;
|
|
const int rowAg1 = (rowA[k] >> 4) & 0xf;
|
|
const int rowBg0 = (rowB[j] >> 4) & 0xf;
|
|
const int rowBg1 = (rowB[k] >> 4) & 0xf;
|
|
const int rowAb0 = (rowA[j] >> 8) & 0xf;
|
|
const int rowAb1 = (rowA[k] >> 8) & 0xf;
|
|
const int rowBb0 = (rowB[j] >> 8) & 0xf;
|
|
const int rowBb1 = (rowB[k] >> 8) & 0xf;
|
|
const int rowAa0 = (rowA[j] >> 12) & 0xf;
|
|
const int rowAa1 = (rowA[k] >> 12) & 0xf;
|
|
const int rowBa0 = (rowB[j] >> 12) & 0xf;
|
|
const int rowBa1 = (rowB[k] >> 12) & 0xf;
|
|
const int red = (rowAr0 + rowAr1 + rowBr0 + rowBr1) >> 2;
|
|
const int green = (rowAg0 + rowAg1 + rowBg0 + rowBg1) >> 2;
|
|
const int blue = (rowAb0 + rowAb1 + rowBb0 + rowBb1) >> 2;
|
|
const int alpha = (rowAa0 + rowAa1 + rowBa0 + rowBa1) >> 2;
|
|
dst[i] = (alpha << 12) | (blue << 8) | (green << 4) | red;
|
|
}
|
|
}
|
|
else if (datatype == DTYPE_USHORT_1_5_5_5_REV && comps == 4) {
|
|
uint i, j, k;
|
|
const ushort *rowA = (const ushort *) srcRowA;
|
|
const ushort *rowB = (const ushort *) srcRowB;
|
|
ushort *dst = (ushort *) dstRow;
|
|
for (i = j = 0, k = k0; i < (uint) dstWidth;
|
|
i++, j += colStride, k += colStride) {
|
|
const int rowAr0 = rowA[j] & 0x1f;
|
|
const int rowAr1 = rowA[k] & 0x1f;
|
|
const int rowBr0 = rowB[j] & 0x1f;
|
|
const int rowBr1 = rowB[k] & 0x1f;
|
|
const int rowAg0 = (rowA[j] >> 5) & 0x1f;
|
|
const int rowAg1 = (rowA[k] >> 5) & 0x1f;
|
|
const int rowBg0 = (rowB[j] >> 5) & 0x1f;
|
|
const int rowBg1 = (rowB[k] >> 5) & 0x1f;
|
|
const int rowAb0 = (rowA[j] >> 10) & 0x1f;
|
|
const int rowAb1 = (rowA[k] >> 10) & 0x1f;
|
|
const int rowBb0 = (rowB[j] >> 10) & 0x1f;
|
|
const int rowBb1 = (rowB[k] >> 10) & 0x1f;
|
|
const int rowAa0 = (rowA[j] >> 15) & 0x1;
|
|
const int rowAa1 = (rowA[k] >> 15) & 0x1;
|
|
const int rowBa0 = (rowB[j] >> 15) & 0x1;
|
|
const int rowBa1 = (rowB[k] >> 15) & 0x1;
|
|
const int red = (rowAr0 + rowAr1 + rowBr0 + rowBr1) >> 2;
|
|
const int green = (rowAg0 + rowAg1 + rowBg0 + rowBg1) >> 2;
|
|
const int blue = (rowAb0 + rowAb1 + rowBb0 + rowBb1) >> 2;
|
|
const int alpha = (rowAa0 + rowAa1 + rowBa0 + rowBa1) >> 2;
|
|
dst[i] = (alpha << 15) | (blue << 10) | (green << 5) | red;
|
|
}
|
|
}
|
|
else if (datatype == DTYPE_UBYTE_3_3_2 && comps == 3) {
|
|
uint i, j, k;
|
|
const ubyte *rowA = (const ubyte *) srcRowA;
|
|
const ubyte *rowB = (const ubyte *) srcRowB;
|
|
ubyte *dst = (ubyte *) dstRow;
|
|
for (i = j = 0, k = k0; i < (uint) dstWidth;
|
|
i++, j += colStride, k += colStride) {
|
|
const int rowAr0 = rowA[j] & 0x3;
|
|
const int rowAr1 = rowA[k] & 0x3;
|
|
const int rowBr0 = rowB[j] & 0x3;
|
|
const int rowBr1 = rowB[k] & 0x3;
|
|
const int rowAg0 = (rowA[j] >> 2) & 0x7;
|
|
const int rowAg1 = (rowA[k] >> 2) & 0x7;
|
|
const int rowBg0 = (rowB[j] >> 2) & 0x7;
|
|
const int rowBg1 = (rowB[k] >> 2) & 0x7;
|
|
const int rowAb0 = (rowA[j] >> 5) & 0x7;
|
|
const int rowAb1 = (rowA[k] >> 5) & 0x7;
|
|
const int rowBb0 = (rowB[j] >> 5) & 0x7;
|
|
const int rowBb1 = (rowB[k] >> 5) & 0x7;
|
|
const int red = (rowAr0 + rowAr1 + rowBr0 + rowBr1) >> 2;
|
|
const int green = (rowAg0 + rowAg1 + rowBg0 + rowBg1) >> 2;
|
|
const int blue = (rowAb0 + rowAb1 + rowBb0 + rowBb1) >> 2;
|
|
dst[i] = (blue << 5) | (green << 2) | red;
|
|
}
|
|
}
|
|
else {
|
|
debug_printf("bad format in do_row()");
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* Average together four rows of a source image to produce a single new
|
|
* row in the dest image. It's legal for the two source rows to point
|
|
* to the same data. The source width must be equal to either the
|
|
* dest width or two times the dest width.
|
|
*
|
|
* \param datatype GL pixel type \c GL_UNSIGNED_BYTE, \c GL_UNSIGNED_SHORT,
|
|
* \c GL_FLOAT, etc.
|
|
* \param comps number of components per pixel (1..4)
|
|
* \param srcWidth Width of a row in the source data
|
|
* \param srcRowA Pointer to one of the rows of source data
|
|
* \param srcRowB Pointer to one of the rows of source data
|
|
* \param srcRowC Pointer to one of the rows of source data
|
|
* \param srcRowD Pointer to one of the rows of source data
|
|
* \param dstWidth Width of a row in the destination data
|
|
* \param srcRowA Pointer to the row of destination data
|
|
*/
|
|
static void
|
|
do_row_3D(enum dtype datatype, uint comps, int srcWidth,
|
|
const void *srcRowA, const void *srcRowB,
|
|
const void *srcRowC, const void *srcRowD,
|
|
int dstWidth, void *dstRow)
|
|
{
|
|
const uint k0 = (srcWidth == dstWidth) ? 0 : 1;
|
|
const uint colStride = (srcWidth == dstWidth) ? 1 : 2;
|
|
uint i, j, k;
|
|
|
|
assert(comps >= 1);
|
|
assert(comps <= 4);
|
|
|
|
if ((datatype == DTYPE_UBYTE) && (comps == 4)) {
|
|
DECLARE_ROW_POINTERS(ubyte, 4);
|
|
|
|
for (i = j = 0, k = k0; i < (uint) dstWidth;
|
|
i++, j += colStride, k += colStride) {
|
|
FILTER_3D(0);
|
|
FILTER_3D(1);
|
|
FILTER_3D(2);
|
|
FILTER_3D(3);
|
|
}
|
|
}
|
|
else if ((datatype == DTYPE_UBYTE) && (comps == 3)) {
|
|
DECLARE_ROW_POINTERS(ubyte, 3);
|
|
|
|
for (i = j = 0, k = k0; i < (uint) dstWidth;
|
|
i++, j += colStride, k += colStride) {
|
|
FILTER_3D(0);
|
|
FILTER_3D(1);
|
|
FILTER_3D(2);
|
|
}
|
|
}
|
|
else if ((datatype == DTYPE_UBYTE) && (comps == 2)) {
|
|
DECLARE_ROW_POINTERS(ubyte, 2);
|
|
|
|
for (i = j = 0, k = k0; i < (uint) dstWidth;
|
|
i++, j += colStride, k += colStride) {
|
|
FILTER_3D(0);
|
|
FILTER_3D(1);
|
|
}
|
|
}
|
|
else if ((datatype == DTYPE_UBYTE) && (comps == 1)) {
|
|
DECLARE_ROW_POINTERS(ubyte, 1);
|
|
|
|
for (i = j = 0, k = k0; i < (uint) dstWidth;
|
|
i++, j += colStride, k += colStride) {
|
|
FILTER_3D(0);
|
|
}
|
|
}
|
|
else if ((datatype == DTYPE_USHORT) && (comps == 4)) {
|
|
DECLARE_ROW_POINTERS(ushort, 4);
|
|
|
|
for (i = j = 0, k = k0; i < (uint) dstWidth;
|
|
i++, j += colStride, k += colStride) {
|
|
FILTER_3D(0);
|
|
FILTER_3D(1);
|
|
FILTER_3D(2);
|
|
FILTER_3D(3);
|
|
}
|
|
}
|
|
else if ((datatype == DTYPE_USHORT) && (comps == 3)) {
|
|
DECLARE_ROW_POINTERS(ushort, 3);
|
|
|
|
for (i = j = 0, k = k0; i < (uint) dstWidth;
|
|
i++, j += colStride, k += colStride) {
|
|
FILTER_3D(0);
|
|
FILTER_3D(1);
|
|
FILTER_3D(2);
|
|
}
|
|
}
|
|
else if ((datatype == DTYPE_USHORT) && (comps == 2)) {
|
|
DECLARE_ROW_POINTERS(ushort, 2);
|
|
|
|
for (i = j = 0, k = k0; i < (uint) dstWidth;
|
|
i++, j += colStride, k += colStride) {
|
|
FILTER_3D(0);
|
|
FILTER_3D(1);
|
|
}
|
|
}
|
|
else if ((datatype == DTYPE_USHORT) && (comps == 1)) {
|
|
DECLARE_ROW_POINTERS(ushort, 1);
|
|
|
|
for (i = j = 0, k = k0; i < (uint) dstWidth;
|
|
i++, j += colStride, k += colStride) {
|
|
FILTER_3D(0);
|
|
}
|
|
}
|
|
else if ((datatype == DTYPE_FLOAT) && (comps == 4)) {
|
|
DECLARE_ROW_POINTERS(float, 4);
|
|
|
|
for (i = j = 0, k = k0; i < (uint) dstWidth;
|
|
i++, j += colStride, k += colStride) {
|
|
FILTER_F_3D(0);
|
|
FILTER_F_3D(1);
|
|
FILTER_F_3D(2);
|
|
FILTER_F_3D(3);
|
|
}
|
|
}
|
|
else if ((datatype == DTYPE_FLOAT) && (comps == 3)) {
|
|
DECLARE_ROW_POINTERS(float, 3);
|
|
|
|
for (i = j = 0, k = k0; i < (uint) dstWidth;
|
|
i++, j += colStride, k += colStride) {
|
|
FILTER_F_3D(0);
|
|
FILTER_F_3D(1);
|
|
FILTER_F_3D(2);
|
|
}
|
|
}
|
|
else if ((datatype == DTYPE_FLOAT) && (comps == 2)) {
|
|
DECLARE_ROW_POINTERS(float, 2);
|
|
|
|
for (i = j = 0, k = k0; i < (uint) dstWidth;
|
|
i++, j += colStride, k += colStride) {
|
|
FILTER_F_3D(0);
|
|
FILTER_F_3D(1);
|
|
}
|
|
}
|
|
else if ((datatype == DTYPE_FLOAT) && (comps == 1)) {
|
|
DECLARE_ROW_POINTERS(float, 1);
|
|
|
|
for (i = j = 0, k = k0; i < (uint) dstWidth;
|
|
i++, j += colStride, k += colStride) {
|
|
FILTER_F_3D(0);
|
|
}
|
|
}
|
|
else if ((datatype == DTYPE_HALF_FLOAT) && (comps == 4)) {
|
|
DECLARE_ROW_POINTERS(half_float, 4);
|
|
|
|
for (i = j = 0, k = k0; i < (uint) dstWidth;
|
|
i++, j += colStride, k += colStride) {
|
|
FILTER_HF_3D(0);
|
|
FILTER_HF_3D(1);
|
|
FILTER_HF_3D(2);
|
|
FILTER_HF_3D(3);
|
|
}
|
|
}
|
|
else if ((datatype == DTYPE_HALF_FLOAT) && (comps == 3)) {
|
|
DECLARE_ROW_POINTERS(half_float, 4);
|
|
|
|
for (i = j = 0, k = k0; i < (uint) dstWidth;
|
|
i++, j += colStride, k += colStride) {
|
|
FILTER_HF_3D(0);
|
|
FILTER_HF_3D(1);
|
|
FILTER_HF_3D(2);
|
|
}
|
|
}
|
|
else if ((datatype == DTYPE_HALF_FLOAT) && (comps == 2)) {
|
|
DECLARE_ROW_POINTERS(half_float, 4);
|
|
|
|
for (i = j = 0, k = k0; i < (uint) dstWidth;
|
|
i++, j += colStride, k += colStride) {
|
|
FILTER_HF_3D(0);
|
|
FILTER_HF_3D(1);
|
|
}
|
|
}
|
|
else if ((datatype == DTYPE_HALF_FLOAT) && (comps == 1)) {
|
|
DECLARE_ROW_POINTERS(half_float, 4);
|
|
|
|
for (i = j = 0, k = k0; i < (uint) dstWidth;
|
|
i++, j += colStride, k += colStride) {
|
|
FILTER_HF_3D(0);
|
|
}
|
|
}
|
|
else if ((datatype == DTYPE_UINT) && (comps == 1)) {
|
|
const uint *rowA = (const uint *) srcRowA;
|
|
const uint *rowB = (const uint *) srcRowB;
|
|
const uint *rowC = (const uint *) srcRowC;
|
|
const uint *rowD = (const uint *) srcRowD;
|
|
float *dst = (float *) dstRow;
|
|
|
|
for (i = j = 0, k = k0; i < (uint) dstWidth;
|
|
i++, j += colStride, k += colStride) {
|
|
const uint64_t tmp = (((uint64_t) rowA[j] + (uint64_t) rowA[k])
|
|
+ ((uint64_t) rowB[j] + (uint64_t) rowB[k])
|
|
+ ((uint64_t) rowC[j] + (uint64_t) rowC[k])
|
|
+ ((uint64_t) rowD[j] + (uint64_t) rowD[k]));
|
|
dst[i] = (float)((double) tmp * 0.125);
|
|
}
|
|
}
|
|
else if ((datatype == DTYPE_USHORT_5_6_5) && (comps == 3)) {
|
|
DECLARE_ROW_POINTERS0(ushort);
|
|
|
|
for (i = j = 0, k = k0; i < (uint) dstWidth;
|
|
i++, j += colStride, k += colStride) {
|
|
const int rowAr0 = rowA[j] & 0x1f;
|
|
const int rowAr1 = rowA[k] & 0x1f;
|
|
const int rowBr0 = rowB[j] & 0x1f;
|
|
const int rowBr1 = rowB[k] & 0x1f;
|
|
const int rowCr0 = rowC[j] & 0x1f;
|
|
const int rowCr1 = rowC[k] & 0x1f;
|
|
const int rowDr0 = rowD[j] & 0x1f;
|
|
const int rowDr1 = rowD[k] & 0x1f;
|
|
const int rowAg0 = (rowA[j] >> 5) & 0x3f;
|
|
const int rowAg1 = (rowA[k] >> 5) & 0x3f;
|
|
const int rowBg0 = (rowB[j] >> 5) & 0x3f;
|
|
const int rowBg1 = (rowB[k] >> 5) & 0x3f;
|
|
const int rowCg0 = (rowC[j] >> 5) & 0x3f;
|
|
const int rowCg1 = (rowC[k] >> 5) & 0x3f;
|
|
const int rowDg0 = (rowD[j] >> 5) & 0x3f;
|
|
const int rowDg1 = (rowD[k] >> 5) & 0x3f;
|
|
const int rowAb0 = (rowA[j] >> 11) & 0x1f;
|
|
const int rowAb1 = (rowA[k] >> 11) & 0x1f;
|
|
const int rowBb0 = (rowB[j] >> 11) & 0x1f;
|
|
const int rowBb1 = (rowB[k] >> 11) & 0x1f;
|
|
const int rowCb0 = (rowC[j] >> 11) & 0x1f;
|
|
const int rowCb1 = (rowC[k] >> 11) & 0x1f;
|
|
const int rowDb0 = (rowD[j] >> 11) & 0x1f;
|
|
const int rowDb1 = (rowD[k] >> 11) & 0x1f;
|
|
const int r = FILTER_SUM_3D(rowAr0, rowAr1, rowBr0, rowBr1,
|
|
rowCr0, rowCr1, rowDr0, rowDr1);
|
|
const int g = FILTER_SUM_3D(rowAg0, rowAg1, rowBg0, rowBg1,
|
|
rowCg0, rowCg1, rowDg0, rowDg1);
|
|
const int b = FILTER_SUM_3D(rowAb0, rowAb1, rowBb0, rowBb1,
|
|
rowCb0, rowCb1, rowDb0, rowDb1);
|
|
dst[i] = (b << 11) | (g << 5) | r;
|
|
}
|
|
}
|
|
else if ((datatype == DTYPE_USHORT_4_4_4_4) && (comps == 4)) {
|
|
DECLARE_ROW_POINTERS0(ushort);
|
|
|
|
for (i = j = 0, k = k0; i < (uint) dstWidth;
|
|
i++, j += colStride, k += colStride) {
|
|
const int rowAr0 = rowA[j] & 0xf;
|
|
const int rowAr1 = rowA[k] & 0xf;
|
|
const int rowBr0 = rowB[j] & 0xf;
|
|
const int rowBr1 = rowB[k] & 0xf;
|
|
const int rowCr0 = rowC[j] & 0xf;
|
|
const int rowCr1 = rowC[k] & 0xf;
|
|
const int rowDr0 = rowD[j] & 0xf;
|
|
const int rowDr1 = rowD[k] & 0xf;
|
|
const int rowAg0 = (rowA[j] >> 4) & 0xf;
|
|
const int rowAg1 = (rowA[k] >> 4) & 0xf;
|
|
const int rowBg0 = (rowB[j] >> 4) & 0xf;
|
|
const int rowBg1 = (rowB[k] >> 4) & 0xf;
|
|
const int rowCg0 = (rowC[j] >> 4) & 0xf;
|
|
const int rowCg1 = (rowC[k] >> 4) & 0xf;
|
|
const int rowDg0 = (rowD[j] >> 4) & 0xf;
|
|
const int rowDg1 = (rowD[k] >> 4) & 0xf;
|
|
const int rowAb0 = (rowA[j] >> 8) & 0xf;
|
|
const int rowAb1 = (rowA[k] >> 8) & 0xf;
|
|
const int rowBb0 = (rowB[j] >> 8) & 0xf;
|
|
const int rowBb1 = (rowB[k] >> 8) & 0xf;
|
|
const int rowCb0 = (rowC[j] >> 8) & 0xf;
|
|
const int rowCb1 = (rowC[k] >> 8) & 0xf;
|
|
const int rowDb0 = (rowD[j] >> 8) & 0xf;
|
|
const int rowDb1 = (rowD[k] >> 8) & 0xf;
|
|
const int rowAa0 = (rowA[j] >> 12) & 0xf;
|
|
const int rowAa1 = (rowA[k] >> 12) & 0xf;
|
|
const int rowBa0 = (rowB[j] >> 12) & 0xf;
|
|
const int rowBa1 = (rowB[k] >> 12) & 0xf;
|
|
const int rowCa0 = (rowC[j] >> 12) & 0xf;
|
|
const int rowCa1 = (rowC[k] >> 12) & 0xf;
|
|
const int rowDa0 = (rowD[j] >> 12) & 0xf;
|
|
const int rowDa1 = (rowD[k] >> 12) & 0xf;
|
|
const int r = FILTER_SUM_3D(rowAr0, rowAr1, rowBr0, rowBr1,
|
|
rowCr0, rowCr1, rowDr0, rowDr1);
|
|
const int g = FILTER_SUM_3D(rowAg0, rowAg1, rowBg0, rowBg1,
|
|
rowCg0, rowCg1, rowDg0, rowDg1);
|
|
const int b = FILTER_SUM_3D(rowAb0, rowAb1, rowBb0, rowBb1,
|
|
rowCb0, rowCb1, rowDb0, rowDb1);
|
|
const int a = FILTER_SUM_3D(rowAa0, rowAa1, rowBa0, rowBa1,
|
|
rowCa0, rowCa1, rowDa0, rowDa1);
|
|
|
|
dst[i] = (a << 12) | (b << 8) | (g << 4) | r;
|
|
}
|
|
}
|
|
else if ((datatype == DTYPE_USHORT_1_5_5_5_REV) && (comps == 4)) {
|
|
DECLARE_ROW_POINTERS0(ushort);
|
|
|
|
for (i = j = 0, k = k0; i < (uint) dstWidth;
|
|
i++, j += colStride, k += colStride) {
|
|
const int rowAr0 = rowA[j] & 0x1f;
|
|
const int rowAr1 = rowA[k] & 0x1f;
|
|
const int rowBr0 = rowB[j] & 0x1f;
|
|
const int rowBr1 = rowB[k] & 0x1f;
|
|
const int rowCr0 = rowC[j] & 0x1f;
|
|
const int rowCr1 = rowC[k] & 0x1f;
|
|
const int rowDr0 = rowD[j] & 0x1f;
|
|
const int rowDr1 = rowD[k] & 0x1f;
|
|
const int rowAg0 = (rowA[j] >> 5) & 0x1f;
|
|
const int rowAg1 = (rowA[k] >> 5) & 0x1f;
|
|
const int rowBg0 = (rowB[j] >> 5) & 0x1f;
|
|
const int rowBg1 = (rowB[k] >> 5) & 0x1f;
|
|
const int rowCg0 = (rowC[j] >> 5) & 0x1f;
|
|
const int rowCg1 = (rowC[k] >> 5) & 0x1f;
|
|
const int rowDg0 = (rowD[j] >> 5) & 0x1f;
|
|
const int rowDg1 = (rowD[k] >> 5) & 0x1f;
|
|
const int rowAb0 = (rowA[j] >> 10) & 0x1f;
|
|
const int rowAb1 = (rowA[k] >> 10) & 0x1f;
|
|
const int rowBb0 = (rowB[j] >> 10) & 0x1f;
|
|
const int rowBb1 = (rowB[k] >> 10) & 0x1f;
|
|
const int rowCb0 = (rowC[j] >> 10) & 0x1f;
|
|
const int rowCb1 = (rowC[k] >> 10) & 0x1f;
|
|
const int rowDb0 = (rowD[j] >> 10) & 0x1f;
|
|
const int rowDb1 = (rowD[k] >> 10) & 0x1f;
|
|
const int rowAa0 = (rowA[j] >> 15) & 0x1;
|
|
const int rowAa1 = (rowA[k] >> 15) & 0x1;
|
|
const int rowBa0 = (rowB[j] >> 15) & 0x1;
|
|
const int rowBa1 = (rowB[k] >> 15) & 0x1;
|
|
const int rowCa0 = (rowC[j] >> 15) & 0x1;
|
|
const int rowCa1 = (rowC[k] >> 15) & 0x1;
|
|
const int rowDa0 = (rowD[j] >> 15) & 0x1;
|
|
const int rowDa1 = (rowD[k] >> 15) & 0x1;
|
|
const int r = FILTER_SUM_3D(rowAr0, rowAr1, rowBr0, rowBr1,
|
|
rowCr0, rowCr1, rowDr0, rowDr1);
|
|
const int g = FILTER_SUM_3D(rowAg0, rowAg1, rowBg0, rowBg1,
|
|
rowCg0, rowCg1, rowDg0, rowDg1);
|
|
const int b = FILTER_SUM_3D(rowAb0, rowAb1, rowBb0, rowBb1,
|
|
rowCb0, rowCb1, rowDb0, rowDb1);
|
|
const int a = FILTER_SUM_3D(rowAa0, rowAa1, rowBa0, rowBa1,
|
|
rowCa0, rowCa1, rowDa0, rowDa1);
|
|
|
|
dst[i] = (a << 15) | (b << 10) | (g << 5) | r;
|
|
}
|
|
}
|
|
else if ((datatype == DTYPE_UBYTE_3_3_2) && (comps == 3)) {
|
|
DECLARE_ROW_POINTERS0(ushort);
|
|
|
|
for (i = j = 0, k = k0; i < (uint) dstWidth;
|
|
i++, j += colStride, k += colStride) {
|
|
const int rowAr0 = rowA[j] & 0x3;
|
|
const int rowAr1 = rowA[k] & 0x3;
|
|
const int rowBr0 = rowB[j] & 0x3;
|
|
const int rowBr1 = rowB[k] & 0x3;
|
|
const int rowCr0 = rowC[j] & 0x3;
|
|
const int rowCr1 = rowC[k] & 0x3;
|
|
const int rowDr0 = rowD[j] & 0x3;
|
|
const int rowDr1 = rowD[k] & 0x3;
|
|
const int rowAg0 = (rowA[j] >> 2) & 0x7;
|
|
const int rowAg1 = (rowA[k] >> 2) & 0x7;
|
|
const int rowBg0 = (rowB[j] >> 2) & 0x7;
|
|
const int rowBg1 = (rowB[k] >> 2) & 0x7;
|
|
const int rowCg0 = (rowC[j] >> 2) & 0x7;
|
|
const int rowCg1 = (rowC[k] >> 2) & 0x7;
|
|
const int rowDg0 = (rowD[j] >> 2) & 0x7;
|
|
const int rowDg1 = (rowD[k] >> 2) & 0x7;
|
|
const int rowAb0 = (rowA[j] >> 5) & 0x7;
|
|
const int rowAb1 = (rowA[k] >> 5) & 0x7;
|
|
const int rowBb0 = (rowB[j] >> 5) & 0x7;
|
|
const int rowBb1 = (rowB[k] >> 5) & 0x7;
|
|
const int rowCb0 = (rowC[j] >> 5) & 0x7;
|
|
const int rowCb1 = (rowC[k] >> 5) & 0x7;
|
|
const int rowDb0 = (rowD[j] >> 5) & 0x7;
|
|
const int rowDb1 = (rowD[k] >> 5) & 0x7;
|
|
const int r = FILTER_SUM_3D(rowAr0, rowAr1, rowBr0, rowBr1,
|
|
rowCr0, rowCr1, rowDr0, rowDr1);
|
|
const int g = FILTER_SUM_3D(rowAg0, rowAg1, rowBg0, rowBg1,
|
|
rowCg0, rowCg1, rowDg0, rowDg1);
|
|
const int b = FILTER_SUM_3D(rowAb0, rowAb1, rowBb0, rowBb1,
|
|
rowCb0, rowCb1, rowDb0, rowDb1);
|
|
dst[i] = (b << 5) | (g << 2) | r;
|
|
}
|
|
}
|
|
else {
|
|
debug_printf("bad format in do_row_3D()");
|
|
}
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
format_to_type_comps(enum pipe_format pformat,
|
|
enum dtype *datatype, uint *comps)
|
|
{
|
|
/* XXX I think this could be implemented in terms of the pf_*() functions */
|
|
switch (pformat) {
|
|
case PIPE_FORMAT_B8G8R8A8_UNORM:
|
|
case PIPE_FORMAT_B8G8R8X8_UNORM:
|
|
case PIPE_FORMAT_A8R8G8B8_UNORM:
|
|
case PIPE_FORMAT_X8R8G8B8_UNORM:
|
|
case PIPE_FORMAT_A8B8G8R8_SRGB:
|
|
case PIPE_FORMAT_X8B8G8R8_SRGB:
|
|
case PIPE_FORMAT_B8G8R8A8_SRGB:
|
|
case PIPE_FORMAT_B8G8R8X8_SRGB:
|
|
case PIPE_FORMAT_A8R8G8B8_SRGB:
|
|
case PIPE_FORMAT_X8R8G8B8_SRGB:
|
|
case PIPE_FORMAT_R8G8B8_SRGB:
|
|
*datatype = DTYPE_UBYTE;
|
|
*comps = 4;
|
|
return;
|
|
case PIPE_FORMAT_B5G5R5X1_UNORM:
|
|
case PIPE_FORMAT_B5G5R5A1_UNORM:
|
|
*datatype = DTYPE_USHORT_1_5_5_5_REV;
|
|
*comps = 4;
|
|
return;
|
|
case PIPE_FORMAT_B4G4R4A4_UNORM:
|
|
*datatype = DTYPE_USHORT_4_4_4_4;
|
|
*comps = 4;
|
|
return;
|
|
case PIPE_FORMAT_B5G6R5_UNORM:
|
|
*datatype = DTYPE_USHORT_5_6_5;
|
|
*comps = 3;
|
|
return;
|
|
case PIPE_FORMAT_L8_UNORM:
|
|
case PIPE_FORMAT_L8_SRGB:
|
|
case PIPE_FORMAT_A8_UNORM:
|
|
case PIPE_FORMAT_I8_UNORM:
|
|
*datatype = DTYPE_UBYTE;
|
|
*comps = 1;
|
|
return;
|
|
case PIPE_FORMAT_L8A8_UNORM:
|
|
case PIPE_FORMAT_L8A8_SRGB:
|
|
*datatype = DTYPE_UBYTE;
|
|
*comps = 2;
|
|
return;
|
|
default:
|
|
assert(0);
|
|
*datatype = DTYPE_UBYTE;
|
|
*comps = 0;
|
|
break;
|
|
}
|
|
}
|
|
|
|
|
|
static void
|
|
reduce_1d(enum pipe_format pformat,
|
|
int srcWidth, const ubyte *srcPtr,
|
|
int dstWidth, ubyte *dstPtr)
|
|
{
|
|
enum dtype datatype;
|
|
uint comps;
|
|
|
|
format_to_type_comps(pformat, &datatype, &comps);
|
|
|
|
/* we just duplicate the input row, kind of hack, saves code */
|
|
do_row(datatype, comps,
|
|
srcWidth, srcPtr, srcPtr,
|
|
dstWidth, dstPtr);
|
|
}
|
|
|
|
|
|
/**
|
|
* Strides are in bytes. If zero, it'll be computed as width * bpp.
|
|
*/
|
|
static void
|
|
reduce_2d(enum pipe_format pformat,
|
|
int srcWidth, int srcHeight,
|
|
int srcRowStride, const ubyte *srcPtr,
|
|
int dstWidth, int dstHeight,
|
|
int dstRowStride, ubyte *dstPtr)
|
|
{
|
|
enum dtype datatype;
|
|
uint comps;
|
|
const int bpt = util_format_get_blocksize(pformat);
|
|
const ubyte *srcA, *srcB;
|
|
ubyte *dst;
|
|
int row;
|
|
|
|
format_to_type_comps(pformat, &datatype, &comps);
|
|
|
|
if (!srcRowStride)
|
|
srcRowStride = bpt * srcWidth;
|
|
|
|
if (!dstRowStride)
|
|
dstRowStride = bpt * dstWidth;
|
|
|
|
/* Compute src and dst pointers */
|
|
srcA = srcPtr;
|
|
if (srcHeight > 1)
|
|
srcB = srcA + srcRowStride;
|
|
else
|
|
srcB = srcA;
|
|
dst = dstPtr;
|
|
|
|
for (row = 0; row < dstHeight; row++) {
|
|
do_row(datatype, comps,
|
|
srcWidth, srcA, srcB,
|
|
dstWidth, dst);
|
|
srcA += 2 * srcRowStride;
|
|
srcB += 2 * srcRowStride;
|
|
dst += dstRowStride;
|
|
}
|
|
}
|
|
|
|
|
|
static void
|
|
reduce_3d(enum pipe_format pformat,
|
|
int srcWidth, int srcHeight, int srcDepth,
|
|
int srcRowStride, int srcImageStride, const ubyte *srcPtr,
|
|
int dstWidth, int dstHeight, int dstDepth,
|
|
int dstRowStride, int dstImageStride, ubyte *dstPtr)
|
|
{
|
|
const int bpt = util_format_get_blocksize(pformat);
|
|
int img, row;
|
|
int srcImageOffset, srcRowOffset;
|
|
enum dtype datatype;
|
|
uint comps;
|
|
|
|
format_to_type_comps(pformat, &datatype, &comps);
|
|
|
|
/* XXX I think we should rather assert those strides */
|
|
if (!srcImageStride)
|
|
srcImageStride = srcWidth * srcHeight * bpt;
|
|
if (!dstImageStride)
|
|
dstImageStride = dstWidth * dstHeight * bpt;
|
|
|
|
if (!srcRowStride)
|
|
srcRowStride = srcWidth * bpt;
|
|
if (!dstRowStride)
|
|
dstRowStride = dstWidth * bpt;
|
|
|
|
/* Offset between adjacent src images to be averaged together */
|
|
srcImageOffset = (srcDepth == dstDepth) ? 0 : srcImageStride;
|
|
|
|
/* Offset between adjacent src rows to be averaged together */
|
|
srcRowOffset = (srcHeight == dstHeight) ? 0 : srcRowStride;
|
|
|
|
/*
|
|
* Need to average together up to 8 src pixels for each dest pixel.
|
|
* Break that down into 3 operations:
|
|
* 1. take two rows from source image and average them together.
|
|
* 2. take two rows from next source image and average them together.
|
|
* 3. take the two averaged rows and average them for the final dst row.
|
|
*/
|
|
|
|
/*
|
|
printf("mip3d %d x %d x %d -> %d x %d x %d\n",
|
|
srcWidth, srcHeight, srcDepth, dstWidth, dstHeight, dstDepth);
|
|
*/
|
|
|
|
for (img = 0; img < dstDepth; img++) {
|
|
/* first source image pointer */
|
|
const ubyte *imgSrcA = srcPtr
|
|
+ img * (srcImageStride + srcImageOffset);
|
|
/* second source image pointer */
|
|
const ubyte *imgSrcB = imgSrcA + srcImageOffset;
|
|
/* address of the dest image */
|
|
ubyte *imgDst = dstPtr + img * dstImageStride;
|
|
|
|
/* setup the four source row pointers and the dest row pointer */
|
|
const ubyte *srcImgARowA = imgSrcA;
|
|
const ubyte *srcImgARowB = imgSrcA + srcRowOffset;
|
|
const ubyte *srcImgBRowA = imgSrcB;
|
|
const ubyte *srcImgBRowB = imgSrcB + srcRowOffset;
|
|
ubyte *dstImgRow = imgDst;
|
|
|
|
for (row = 0; row < dstHeight; row++) {
|
|
do_row_3D(datatype, comps, srcWidth,
|
|
srcImgARowA, srcImgARowB,
|
|
srcImgBRowA, srcImgBRowB,
|
|
dstWidth, dstImgRow);
|
|
|
|
/* advance to next rows */
|
|
srcImgARowA += srcRowStride + srcRowOffset;
|
|
srcImgARowB += srcRowStride + srcRowOffset;
|
|
srcImgBRowA += srcRowStride + srcRowOffset;
|
|
srcImgBRowB += srcRowStride + srcRowOffset;
|
|
dstImgRow += dstImageStride;
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
|
|
|
|
static void
|
|
make_1d_mipmap(struct gen_mipmap_state *ctx,
|
|
struct pipe_resource *pt,
|
|
uint layer, uint baseLevel, uint lastLevel)
|
|
{
|
|
struct pipe_context *pipe = ctx->pipe;
|
|
uint dstLevel;
|
|
|
|
for (dstLevel = baseLevel + 1; dstLevel <= lastLevel; dstLevel++) {
|
|
const uint srcLevel = dstLevel - 1;
|
|
struct pipe_transfer *srcTrans, *dstTrans;
|
|
void *srcMap, *dstMap;
|
|
|
|
srcMap = pipe_transfer_map(pipe, pt, srcLevel, layer,
|
|
PIPE_TRANSFER_READ, 0, 0,
|
|
u_minify(pt->width0, srcLevel),
|
|
u_minify(pt->height0, srcLevel), &srcTrans);
|
|
dstMap = pipe_transfer_map(pipe, pt, dstLevel, layer,
|
|
PIPE_TRANSFER_WRITE, 0, 0,
|
|
u_minify(pt->width0, dstLevel),
|
|
u_minify(pt->height0, dstLevel), &dstTrans);
|
|
|
|
reduce_1d(pt->format,
|
|
srcTrans->box.width, srcMap,
|
|
dstTrans->box.width, dstMap);
|
|
|
|
pipe->transfer_unmap(pipe, srcTrans);
|
|
pipe->transfer_unmap(pipe, dstTrans);
|
|
}
|
|
}
|
|
|
|
|
|
static void
|
|
make_2d_mipmap(struct gen_mipmap_state *ctx,
|
|
struct pipe_resource *pt,
|
|
uint layer, uint baseLevel, uint lastLevel)
|
|
{
|
|
struct pipe_context *pipe = ctx->pipe;
|
|
uint dstLevel;
|
|
|
|
assert(util_format_get_blockwidth(pt->format) == 1);
|
|
assert(util_format_get_blockheight(pt->format) == 1);
|
|
|
|
for (dstLevel = baseLevel + 1; dstLevel <= lastLevel; dstLevel++) {
|
|
const uint srcLevel = dstLevel - 1;
|
|
struct pipe_transfer *srcTrans, *dstTrans;
|
|
ubyte *srcMap, *dstMap;
|
|
|
|
srcMap = pipe_transfer_map(pipe, pt, srcLevel, layer,
|
|
PIPE_TRANSFER_READ, 0, 0,
|
|
u_minify(pt->width0, srcLevel),
|
|
u_minify(pt->height0, srcLevel), &srcTrans);
|
|
dstMap = pipe_transfer_map(pipe, pt, dstLevel, layer,
|
|
PIPE_TRANSFER_WRITE, 0, 0,
|
|
u_minify(pt->width0, dstLevel),
|
|
u_minify(pt->height0, dstLevel), &dstTrans);
|
|
|
|
reduce_2d(pt->format,
|
|
srcTrans->box.width, srcTrans->box.height,
|
|
srcTrans->stride, srcMap,
|
|
dstTrans->box.width, dstTrans->box.height,
|
|
dstTrans->stride, dstMap);
|
|
|
|
pipe->transfer_unmap(pipe, srcTrans);
|
|
pipe->transfer_unmap(pipe, dstTrans);
|
|
}
|
|
}
|
|
|
|
|
|
/* XXX looks a bit more like it could work now but need to test */
|
|
static void
|
|
make_3d_mipmap(struct gen_mipmap_state *ctx,
|
|
struct pipe_resource *pt,
|
|
uint face, uint baseLevel, uint lastLevel)
|
|
{
|
|
struct pipe_context *pipe = ctx->pipe;
|
|
uint dstLevel;
|
|
struct pipe_box src_box, dst_box;
|
|
|
|
assert(util_format_get_blockwidth(pt->format) == 1);
|
|
assert(util_format_get_blockheight(pt->format) == 1);
|
|
|
|
src_box.x = src_box.y = src_box.z = 0;
|
|
dst_box.x = dst_box.y = dst_box.z = 0;
|
|
|
|
for (dstLevel = baseLevel + 1; dstLevel <= lastLevel; dstLevel++) {
|
|
const uint srcLevel = dstLevel - 1;
|
|
struct pipe_transfer *srcTrans, *dstTrans;
|
|
ubyte *srcMap, *dstMap;
|
|
struct pipe_box src_box, dst_box;
|
|
src_box.width = u_minify(pt->width0, srcLevel);
|
|
src_box.height = u_minify(pt->height0, srcLevel);
|
|
src_box.depth = u_minify(pt->depth0, srcLevel);
|
|
dst_box.width = u_minify(pt->width0, dstLevel);
|
|
dst_box.height = u_minify(pt->height0, dstLevel);
|
|
dst_box.depth = u_minify(pt->depth0, dstLevel);
|
|
|
|
srcMap = pipe->transfer_map(pipe, pt, srcLevel,
|
|
PIPE_TRANSFER_READ,
|
|
&src_box, &srcTrans);
|
|
dstMap = pipe->transfer_map(pipe, pt, dstLevel,
|
|
PIPE_TRANSFER_WRITE,
|
|
&dst_box, &dstTrans);
|
|
|
|
reduce_3d(pt->format,
|
|
srcTrans->box.width, srcTrans->box.height, srcTrans->box.depth,
|
|
srcTrans->stride, srcTrans->layer_stride, srcMap,
|
|
dstTrans->box.width, dstTrans->box.height, dstTrans->box.depth,
|
|
dstTrans->stride, dstTrans->layer_stride, dstMap);
|
|
|
|
pipe->transfer_unmap(pipe, srcTrans);
|
|
pipe->transfer_unmap(pipe, dstTrans);
|
|
}
|
|
}
|
|
|
|
|
|
static void
|
|
fallback_gen_mipmap(struct gen_mipmap_state *ctx,
|
|
struct pipe_resource *pt,
|
|
uint layer, uint baseLevel, uint lastLevel)
|
|
{
|
|
switch (pt->target) {
|
|
case PIPE_TEXTURE_1D:
|
|
make_1d_mipmap(ctx, pt, layer, baseLevel, lastLevel);
|
|
break;
|
|
case PIPE_TEXTURE_2D:
|
|
case PIPE_TEXTURE_RECT:
|
|
case PIPE_TEXTURE_CUBE:
|
|
make_2d_mipmap(ctx, pt, layer, baseLevel, lastLevel);
|
|
break;
|
|
case PIPE_TEXTURE_3D:
|
|
make_3d_mipmap(ctx, pt, layer, baseLevel, lastLevel);
|
|
break;
|
|
default:
|
|
assert(0);
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* Create a mipmap generation context.
|
|
* The idea is to create one of these and re-use it each time we need to
|
|
* generate a mipmap.
|
|
*/
|
|
struct gen_mipmap_state *
|
|
util_create_gen_mipmap(struct pipe_context *pipe,
|
|
struct cso_context *cso)
|
|
{
|
|
struct gen_mipmap_state *ctx;
|
|
uint i;
|
|
|
|
ctx = CALLOC_STRUCT(gen_mipmap_state);
|
|
if (!ctx)
|
|
return NULL;
|
|
|
|
ctx->pipe = pipe;
|
|
ctx->cso = cso;
|
|
|
|
/* disabled blending/masking */
|
|
memset(&ctx->blend_keep_color, 0, sizeof(ctx->blend_keep_color));
|
|
memset(&ctx->blend_write_color, 0, sizeof(ctx->blend_write_color));
|
|
ctx->blend_write_color.rt[0].colormask = PIPE_MASK_RGBA;
|
|
|
|
/* no-op depth/stencil/alpha */
|
|
memset(&ctx->dsa_keep_depth, 0, sizeof(ctx->dsa_keep_depth));
|
|
memset(&ctx->dsa_write_depth, 0, sizeof(ctx->dsa_write_depth));
|
|
ctx->dsa_write_depth.depth.enabled = 1;
|
|
ctx->dsa_write_depth.depth.func = PIPE_FUNC_ALWAYS;
|
|
ctx->dsa_write_depth.depth.writemask = 1;
|
|
|
|
/* rasterizer */
|
|
memset(&ctx->rasterizer, 0, sizeof(ctx->rasterizer));
|
|
ctx->rasterizer.cull_face = PIPE_FACE_NONE;
|
|
ctx->rasterizer.half_pixel_center = 1;
|
|
ctx->rasterizer.bottom_edge_rule = 1;
|
|
ctx->rasterizer.depth_clip = 1;
|
|
|
|
/* sampler state */
|
|
memset(&ctx->sampler, 0, sizeof(ctx->sampler));
|
|
ctx->sampler.wrap_s = PIPE_TEX_WRAP_CLAMP_TO_EDGE;
|
|
ctx->sampler.wrap_t = PIPE_TEX_WRAP_CLAMP_TO_EDGE;
|
|
ctx->sampler.wrap_r = PIPE_TEX_WRAP_CLAMP_TO_EDGE;
|
|
ctx->sampler.min_mip_filter = PIPE_TEX_MIPFILTER_NEAREST;
|
|
ctx->sampler.normalized_coords = 1;
|
|
|
|
/* vertex elements state */
|
|
memset(&ctx->velem[0], 0, sizeof(ctx->velem[0]) * 2);
|
|
for (i = 0; i < 2; i++) {
|
|
ctx->velem[i].src_offset = i * 4 * sizeof(float);
|
|
ctx->velem[i].instance_divisor = 0;
|
|
ctx->velem[i].vertex_buffer_index = cso_get_aux_vertex_buffer_slot(cso);
|
|
ctx->velem[i].src_format = PIPE_FORMAT_R32G32B32A32_FLOAT;
|
|
}
|
|
|
|
/* vertex data that doesn't change */
|
|
for (i = 0; i < 4; i++) {
|
|
ctx->vertices[i][0][2] = 0.0f; /* z */
|
|
ctx->vertices[i][0][3] = 1.0f; /* w */
|
|
ctx->vertices[i][1][3] = 1.0f; /* q */
|
|
}
|
|
|
|
/* Note: the actual vertex buffer is allocated as needed below */
|
|
|
|
return ctx;
|
|
}
|
|
|
|
|
|
/**
|
|
* Helper function to set the fragment shaders.
|
|
*/
|
|
static INLINE void
|
|
set_fragment_shader(struct gen_mipmap_state *ctx, uint type,
|
|
boolean output_depth)
|
|
{
|
|
if (output_depth) {
|
|
if (!ctx->fs_depth[type])
|
|
ctx->fs_depth[type] =
|
|
util_make_fragment_tex_shader_writedepth(ctx->pipe, type,
|
|
TGSI_INTERPOLATE_LINEAR);
|
|
|
|
cso_set_fragment_shader_handle(ctx->cso, ctx->fs_depth[type]);
|
|
}
|
|
else {
|
|
if (!ctx->fs_color[type])
|
|
ctx->fs_color[type] =
|
|
util_make_fragment_tex_shader(ctx->pipe, type,
|
|
TGSI_INTERPOLATE_LINEAR);
|
|
|
|
cso_set_fragment_shader_handle(ctx->cso, ctx->fs_color[type]);
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* Helper function to set the vertex shader.
|
|
*/
|
|
static INLINE void
|
|
set_vertex_shader(struct gen_mipmap_state *ctx)
|
|
{
|
|
/* vertex shader - still required to provide the linkage between
|
|
* fragment shader input semantics and vertex_element/buffers.
|
|
*/
|
|
if (!ctx->vs)
|
|
{
|
|
const uint semantic_names[] = { TGSI_SEMANTIC_POSITION,
|
|
TGSI_SEMANTIC_GENERIC };
|
|
const uint semantic_indexes[] = { 0, 0 };
|
|
ctx->vs = util_make_vertex_passthrough_shader(ctx->pipe, 2,
|
|
semantic_names,
|
|
semantic_indexes);
|
|
}
|
|
|
|
cso_set_vertex_shader_handle(ctx->cso, ctx->vs);
|
|
}
|
|
|
|
|
|
/**
|
|
* Get next "slot" of vertex space in the vertex buffer.
|
|
* We're allocating one large vertex buffer and using it piece by piece.
|
|
*/
|
|
static unsigned
|
|
get_next_slot(struct gen_mipmap_state *ctx)
|
|
{
|
|
const unsigned max_slots = 4096 / sizeof ctx->vertices;
|
|
|
|
if (ctx->vbuf_slot >= max_slots) {
|
|
pipe_resource_reference(&ctx->vbuf, NULL);
|
|
ctx->vbuf_slot = 0;
|
|
}
|
|
|
|
if (!ctx->vbuf) {
|
|
ctx->vbuf = pipe_buffer_create(ctx->pipe->screen,
|
|
PIPE_BIND_VERTEX_BUFFER,
|
|
PIPE_USAGE_STREAM,
|
|
max_slots * sizeof ctx->vertices);
|
|
}
|
|
|
|
return ctx->vbuf_slot++ * sizeof ctx->vertices;
|
|
}
|
|
|
|
|
|
static unsigned
|
|
set_vertex_data(struct gen_mipmap_state *ctx,
|
|
enum pipe_texture_target tex_target,
|
|
uint layer, float r)
|
|
{
|
|
unsigned offset;
|
|
|
|
/* vert[0].position */
|
|
ctx->vertices[0][0][0] = -1.0f; /*x*/
|
|
ctx->vertices[0][0][1] = -1.0f; /*y*/
|
|
|
|
/* vert[1].position */
|
|
ctx->vertices[1][0][0] = 1.0f;
|
|
ctx->vertices[1][0][1] = -1.0f;
|
|
|
|
/* vert[2].position */
|
|
ctx->vertices[2][0][0] = 1.0f;
|
|
ctx->vertices[2][0][1] = 1.0f;
|
|
|
|
/* vert[3].position */
|
|
ctx->vertices[3][0][0] = -1.0f;
|
|
ctx->vertices[3][0][1] = 1.0f;
|
|
|
|
/* Setup vertex texcoords. This is a little tricky for cube maps. */
|
|
if (tex_target == PIPE_TEXTURE_CUBE) {
|
|
static const float st[4][2] = {
|
|
{0.0f, 0.0f}, {1.0f, 0.0f}, {1.0f, 1.0f}, {0.0f, 1.0f}
|
|
};
|
|
|
|
util_map_texcoords2d_onto_cubemap(layer, &st[0][0], 2,
|
|
&ctx->vertices[0][1][0], 8);
|
|
}
|
|
else if (tex_target == PIPE_TEXTURE_1D_ARRAY) {
|
|
/* 1D texture array */
|
|
ctx->vertices[0][1][0] = 0.0f; /*s*/
|
|
ctx->vertices[0][1][1] = r; /*t*/
|
|
ctx->vertices[0][1][2] = 0.0f; /*r*/
|
|
|
|
ctx->vertices[1][1][0] = 1.0f;
|
|
ctx->vertices[1][1][1] = r;
|
|
ctx->vertices[1][1][2] = 0.0f;
|
|
|
|
ctx->vertices[2][1][0] = 1.0f;
|
|
ctx->vertices[2][1][1] = r;
|
|
ctx->vertices[2][1][2] = 0.0f;
|
|
|
|
ctx->vertices[3][1][0] = 0.0f;
|
|
ctx->vertices[3][1][1] = r;
|
|
ctx->vertices[3][1][2] = 0.0f;
|
|
} else {
|
|
/* 1D/2D/3D/2D array */
|
|
ctx->vertices[0][1][0] = 0.0f; /*s*/
|
|
ctx->vertices[0][1][1] = 0.0f; /*t*/
|
|
ctx->vertices[0][1][2] = r; /*r*/
|
|
|
|
ctx->vertices[1][1][0] = 1.0f;
|
|
ctx->vertices[1][1][1] = 0.0f;
|
|
ctx->vertices[1][1][2] = r;
|
|
|
|
ctx->vertices[2][1][0] = 1.0f;
|
|
ctx->vertices[2][1][1] = 1.0f;
|
|
ctx->vertices[2][1][2] = r;
|
|
|
|
ctx->vertices[3][1][0] = 0.0f;
|
|
ctx->vertices[3][1][1] = 1.0f;
|
|
ctx->vertices[3][1][2] = r;
|
|
}
|
|
|
|
offset = get_next_slot( ctx );
|
|
|
|
pipe_buffer_write_nooverlap(ctx->pipe, ctx->vbuf,
|
|
offset, sizeof(ctx->vertices), ctx->vertices);
|
|
|
|
return offset;
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
* Destroy a mipmap generation context
|
|
*/
|
|
void
|
|
util_destroy_gen_mipmap(struct gen_mipmap_state *ctx)
|
|
{
|
|
struct pipe_context *pipe = ctx->pipe;
|
|
unsigned i;
|
|
|
|
for (i = 0; i < Elements(ctx->fs_color); i++)
|
|
if (ctx->fs_color[i])
|
|
pipe->delete_fs_state(pipe, ctx->fs_color[i]);
|
|
|
|
for (i = 0; i < Elements(ctx->fs_depth); i++)
|
|
if (ctx->fs_depth[i])
|
|
pipe->delete_fs_state(pipe, ctx->fs_depth[i]);
|
|
|
|
if (ctx->vs)
|
|
pipe->delete_vs_state(pipe, ctx->vs);
|
|
|
|
pipe_resource_reference(&ctx->vbuf, NULL);
|
|
|
|
FREE(ctx);
|
|
}
|
|
|
|
|
|
/**
|
|
* Generate mipmap images. It's assumed all needed texture memory is
|
|
* already allocated.
|
|
*
|
|
* \param psv the sampler view to the texture to generate mipmap levels for
|
|
* \param face which cube face to generate mipmaps for (0 for non-cube maps)
|
|
* \param baseLevel the first mipmap level to use as a src
|
|
* \param lastLevel the last mipmap level to generate
|
|
* \param filter the minification filter used to generate mipmap levels with
|
|
* \param filter one of PIPE_TEX_FILTER_LINEAR, PIPE_TEX_FILTER_NEAREST
|
|
*/
|
|
void
|
|
util_gen_mipmap(struct gen_mipmap_state *ctx,
|
|
struct pipe_sampler_view *psv,
|
|
uint face, uint baseLevel, uint lastLevel, uint filter)
|
|
{
|
|
struct pipe_context *pipe = ctx->pipe;
|
|
struct pipe_screen *screen = pipe->screen;
|
|
struct pipe_framebuffer_state fb;
|
|
struct pipe_resource *pt = psv->texture;
|
|
uint dstLevel;
|
|
uint offset;
|
|
uint type;
|
|
boolean is_depth = util_format_is_depth_or_stencil(psv->format);
|
|
|
|
/* The texture object should have room for the levels which we're
|
|
* about to generate.
|
|
*/
|
|
assert(lastLevel <= pt->last_level);
|
|
|
|
/* If this fails, why are we here? */
|
|
assert(lastLevel > baseLevel);
|
|
|
|
assert(filter == PIPE_TEX_FILTER_LINEAR ||
|
|
filter == PIPE_TEX_FILTER_NEAREST);
|
|
|
|
switch (pt->target) {
|
|
case PIPE_TEXTURE_1D:
|
|
type = TGSI_TEXTURE_1D;
|
|
break;
|
|
case PIPE_TEXTURE_2D:
|
|
type = TGSI_TEXTURE_2D;
|
|
break;
|
|
case PIPE_TEXTURE_3D:
|
|
type = TGSI_TEXTURE_3D;
|
|
break;
|
|
case PIPE_TEXTURE_CUBE:
|
|
type = TGSI_TEXTURE_CUBE;
|
|
break;
|
|
case PIPE_TEXTURE_1D_ARRAY:
|
|
type = TGSI_TEXTURE_1D_ARRAY;
|
|
break;
|
|
case PIPE_TEXTURE_2D_ARRAY:
|
|
type = TGSI_TEXTURE_2D_ARRAY;
|
|
break;
|
|
default:
|
|
assert(0);
|
|
type = TGSI_TEXTURE_2D;
|
|
}
|
|
|
|
/* check if we can render in the texture's format */
|
|
if (!screen->is_format_supported(screen, psv->format, pt->target,
|
|
pt->nr_samples,
|
|
is_depth ? PIPE_BIND_DEPTH_STENCIL :
|
|
PIPE_BIND_RENDER_TARGET)) {
|
|
fallback_gen_mipmap(ctx, pt, face, baseLevel, lastLevel);
|
|
return;
|
|
}
|
|
|
|
/* save state (restored below) */
|
|
cso_save_blend(ctx->cso);
|
|
cso_save_depth_stencil_alpha(ctx->cso);
|
|
cso_save_rasterizer(ctx->cso);
|
|
cso_save_sample_mask(ctx->cso);
|
|
cso_save_samplers(ctx->cso, PIPE_SHADER_FRAGMENT);
|
|
cso_save_sampler_views(ctx->cso, PIPE_SHADER_FRAGMENT);
|
|
cso_save_stream_outputs(ctx->cso);
|
|
cso_save_framebuffer(ctx->cso);
|
|
cso_save_fragment_shader(ctx->cso);
|
|
cso_save_vertex_shader(ctx->cso);
|
|
cso_save_geometry_shader(ctx->cso);
|
|
cso_save_viewport(ctx->cso);
|
|
cso_save_vertex_elements(ctx->cso);
|
|
cso_save_aux_vertex_buffer_slot(ctx->cso);
|
|
cso_save_render_condition(ctx->cso);
|
|
|
|
/* bind our state */
|
|
cso_set_blend(ctx->cso, is_depth ? &ctx->blend_keep_color :
|
|
&ctx->blend_write_color);
|
|
cso_set_depth_stencil_alpha(ctx->cso, is_depth ? &ctx->dsa_write_depth :
|
|
&ctx->dsa_keep_depth);
|
|
cso_set_rasterizer(ctx->cso, &ctx->rasterizer);
|
|
cso_set_sample_mask(ctx->cso, ~0);
|
|
cso_set_vertex_elements(ctx->cso, 2, ctx->velem);
|
|
cso_set_stream_outputs(ctx->cso, 0, NULL, 0);
|
|
cso_set_render_condition(ctx->cso, NULL, FALSE, 0);
|
|
|
|
set_fragment_shader(ctx, type, is_depth);
|
|
set_vertex_shader(ctx);
|
|
cso_set_geometry_shader_handle(ctx->cso, NULL);
|
|
|
|
/* init framebuffer state */
|
|
memset(&fb, 0, sizeof(fb));
|
|
|
|
/* set min/mag to same filter for faster sw speed */
|
|
ctx->sampler.mag_img_filter = filter;
|
|
ctx->sampler.min_img_filter = filter;
|
|
|
|
for (dstLevel = baseLevel + 1; dstLevel <= lastLevel; dstLevel++) {
|
|
const uint srcLevel = dstLevel - 1;
|
|
struct pipe_viewport_state vp;
|
|
unsigned nr_layers, layer, i;
|
|
float rcoord = 0.0f;
|
|
|
|
if (pt->target == PIPE_TEXTURE_3D)
|
|
nr_layers = u_minify(pt->depth0, dstLevel);
|
|
else if (pt->target == PIPE_TEXTURE_2D_ARRAY || pt->target == PIPE_TEXTURE_1D_ARRAY)
|
|
nr_layers = pt->array_size;
|
|
else
|
|
nr_layers = 1;
|
|
|
|
for (i = 0; i < nr_layers; i++) {
|
|
struct pipe_surface *surf, surf_templ;
|
|
if (pt->target == PIPE_TEXTURE_3D) {
|
|
/* in theory with geom shaders and driver with full layer support
|
|
could do that in one go. */
|
|
layer = i;
|
|
/* XXX hmm really? */
|
|
rcoord = (float)layer / (float)nr_layers + 1.0f / (float)(nr_layers * 2);
|
|
} else if (pt->target == PIPE_TEXTURE_2D_ARRAY || pt->target == PIPE_TEXTURE_1D_ARRAY) {
|
|
layer = i;
|
|
rcoord = (float)layer;
|
|
} else
|
|
layer = face;
|
|
|
|
u_surface_default_template(&surf_templ, pt);
|
|
surf_templ.u.tex.level = dstLevel;
|
|
surf_templ.u.tex.first_layer = layer;
|
|
surf_templ.u.tex.last_layer = layer;
|
|
surf = pipe->create_surface(pipe, pt, &surf_templ);
|
|
|
|
/*
|
|
* Setup framebuffer / dest surface
|
|
*/
|
|
if (is_depth) {
|
|
fb.nr_cbufs = 0;
|
|
fb.zsbuf = surf;
|
|
}
|
|
else {
|
|
fb.nr_cbufs = 1;
|
|
fb.cbufs[0] = surf;
|
|
}
|
|
fb.width = u_minify(pt->width0, dstLevel);
|
|
fb.height = u_minify(pt->height0, dstLevel);
|
|
cso_set_framebuffer(ctx->cso, &fb);
|
|
|
|
/* viewport */
|
|
vp.scale[0] = 0.5f * fb.width;
|
|
vp.scale[1] = 0.5f * fb.height;
|
|
vp.scale[2] = 1.0f;
|
|
vp.scale[3] = 1.0f;
|
|
vp.translate[0] = 0.5f * fb.width;
|
|
vp.translate[1] = 0.5f * fb.height;
|
|
vp.translate[2] = 0.0f;
|
|
vp.translate[3] = 0.0f;
|
|
cso_set_viewport(ctx->cso, &vp);
|
|
|
|
/*
|
|
* Setup sampler state
|
|
* Note: we should only have to set the min/max LOD clamps to ensure
|
|
* we grab texels from the right mipmap level. But some hardware
|
|
* has trouble with min clamping so we also set the lod_bias to
|
|
* try to work around that.
|
|
*/
|
|
ctx->sampler.min_lod = ctx->sampler.max_lod = (float) srcLevel;
|
|
ctx->sampler.lod_bias = (float) srcLevel;
|
|
cso_single_sampler(ctx->cso, PIPE_SHADER_FRAGMENT, 0, &ctx->sampler);
|
|
cso_single_sampler_done(ctx->cso, PIPE_SHADER_FRAGMENT);
|
|
|
|
cso_set_sampler_views(ctx->cso, PIPE_SHADER_FRAGMENT, 1, &psv);
|
|
|
|
/* quad coords in clip coords */
|
|
offset = set_vertex_data(ctx,
|
|
pt->target,
|
|
face,
|
|
rcoord);
|
|
|
|
util_draw_vertex_buffer(ctx->pipe,
|
|
ctx->cso,
|
|
ctx->vbuf,
|
|
cso_get_aux_vertex_buffer_slot(ctx->cso),
|
|
offset,
|
|
PIPE_PRIM_TRIANGLE_FAN,
|
|
4, /* verts */
|
|
2); /* attribs/vert */
|
|
|
|
/* need to signal that the texture has changed _after_ rendering to it */
|
|
pipe_surface_reference( &surf, NULL );
|
|
}
|
|
}
|
|
|
|
/* restore state we changed */
|
|
cso_restore_blend(ctx->cso);
|
|
cso_restore_depth_stencil_alpha(ctx->cso);
|
|
cso_restore_rasterizer(ctx->cso);
|
|
cso_restore_sample_mask(ctx->cso);
|
|
cso_restore_samplers(ctx->cso, PIPE_SHADER_FRAGMENT);
|
|
cso_restore_sampler_views(ctx->cso, PIPE_SHADER_FRAGMENT);
|
|
cso_restore_framebuffer(ctx->cso);
|
|
cso_restore_fragment_shader(ctx->cso);
|
|
cso_restore_vertex_shader(ctx->cso);
|
|
cso_restore_geometry_shader(ctx->cso);
|
|
cso_restore_viewport(ctx->cso);
|
|
cso_restore_vertex_elements(ctx->cso);
|
|
cso_restore_stream_outputs(ctx->cso);
|
|
cso_restore_aux_vertex_buffer_slot(ctx->cso);
|
|
cso_restore_render_condition(ctx->cso);
|
|
}
|