/**************************************************************************
*
- * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * Copyright 2008 VMware, Inc.
* All Rights Reserved.
* Copyright 2008 VMware, Inc. All rights reserved.
+ * Copyright 2014 Advanced Micro Devices, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
* 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
+ * IN NO EVENT SHALL VMWARE 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.
* @file
* Mipmap generation utility
*
- * @author Brian Paul
+ * @author Brian Paul, Marek Olšák
*/
-#include "pipe/p_context.h"
-#include "util/u_debug.h"
-#include "pipe/p_defines.h"
-#include "util/u_inlines.h"
-#include "pipe/p_shader_tokens.h"
-#include "pipe/p_state.h"
-
-#include "util/u_format.h"
-#include "util/u_memory.h"
-#include "util/u_draw_quad.h"
#include "util/u_gen_mipmap.h"
-#include "util/u_simple_shaders.h"
-#include "util/u_math.h"
-#include "util/u_texture.h"
-
-#include "cso_cache/cso_context.h"
-
-
-struct gen_mipmap_state
-{
- struct pipe_context *pipe;
- struct cso_context *cso;
-
- struct pipe_blend_state blend;
- struct pipe_depth_stencil_alpha_state depthstencil;
- struct pipe_rasterizer_state rasterizer;
- struct pipe_sampler_state sampler;
- struct pipe_clip_state clip;
- struct pipe_vertex_element velem[2];
-
- void *vs;
- void *fs2d, *fsCube;
-
- struct pipe_buffer *vbuf; /**< quad vertices */
- unsigned vbuf_slot;
-
- float vertices[4][2][4]; /**< vertex/texcoords for quad */
-};
-
-
-
-enum dtype
-{
- DTYPE_UBYTE,
- DTYPE_UBYTE_3_3_2,
- DTYPE_USHORT,
- DTYPE_USHORT_4_4_4_4,
- DTYPE_USHORT_5_6_5,
- DTYPE_USHORT_1_5_5_5_REV,
- DTYPE_UINT,
- DTYPE_FLOAT,
- DTYPE_HALF_FLOAT
-};
-
-
-typedef ushort half_float;
-
-
-static half_float
-float_to_half(float f)
-{
- /* XXX fix this */
- return 0;
-}
-
-static float
-half_to_float(half_float h)
-{
- /* XXX fix this */
- return 0.0f;
-}
-
-
-
-
-/**
- * \name Support macros for do_row and do_row_3d
- *
- * The macro madness is here for two reasons. First, it compacts the code
- * slightly. Second, it makes it much easier to adjust the specifics of the
- * filter to tune the rounding characteristics.
- */
-/*@{*/
-#define DECLARE_ROW_POINTERS(t, e) \
- const t(*rowA)[e] = (const t(*)[e]) srcRowA; \
- const t(*rowB)[e] = (const t(*)[e]) srcRowB; \
- const t(*rowC)[e] = (const t(*)[e]) srcRowC; \
- const t(*rowD)[e] = (const t(*)[e]) srcRowD; \
- t(*dst)[e] = (t(*)[e]) dstRow
-
-#define DECLARE_ROW_POINTERS0(t) \
- const t *rowA = (const t *) srcRowA; \
- const t *rowB = (const t *) srcRowB; \
- const t *rowC = (const t *) srcRowC; \
- const t *rowD = (const t *) srcRowD; \
- t *dst = (t *) dstRow
-
-#define FILTER_SUM_3D(Aj, Ak, Bj, Bk, Cj, Ck, Dj, Dk) \
- ((unsigned) Aj + (unsigned) Ak \
- + (unsigned) Bj + (unsigned) Bk \
- + (unsigned) Cj + (unsigned) Ck \
- + (unsigned) Dj + (unsigned) Dk \
- + 4) >> 3
-
-#define FILTER_3D(e) \
- do { \
- dst[i][e] = FILTER_SUM_3D(rowA[j][e], rowA[k][e], \
- rowB[j][e], rowB[k][e], \
- rowC[j][e], rowC[k][e], \
- rowD[j][e], rowD[k][e]); \
- } while(0)
-
-#define FILTER_F_3D(e) \
- do { \
- dst[i][e] = (rowA[j][e] + rowA[k][e] \
- + rowB[j][e] + rowB[k][e] \
- + rowC[j][e] + rowC[k][e] \
- + rowD[j][e] + rowD[k][e]) * 0.125F; \
- } while(0)
-
-#define FILTER_HF_3D(e) \
- do { \
- const float aj = half_to_float(rowA[j][e]); \
- const float ak = half_to_float(rowA[k][e]); \
- const float bj = half_to_float(rowB[j][e]); \
- const float bk = half_to_float(rowB[k][e]); \
- const float cj = half_to_float(rowC[j][e]); \
- const float ck = half_to_float(rowC[k][e]); \
- const float dj = half_to_float(rowD[j][e]); \
- const float dk = half_to_float(rowD[k][e]); \
- dst[i][e] = float_to_half((aj + ak + bj + bk + cj + ck + dj + dk) \
- * 0.125F); \
- } while(0)
-/*@}*/
-
-
-/**
- * Average together two 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_UNSIGNED_BYTE, GL_UNSIGNED_SHORT, GL_FLOAT, etc.
- * \param comps number of components per pixel (1..4)
- */
-static void
-do_row(enum dtype datatype, uint comps, int srcWidth,
- const void *srcRowA, const void *srcRowB,
- int dstWidth, void *dstRow)
-{
- const uint k0 = (srcWidth == dstWidth) ? 0 : 1;
- const uint colStride = (srcWidth == dstWidth) ? 1 : 2;
-
- assert(comps >= 1);
- assert(comps <= 4);
-
- /* This assertion is no longer valid with non-power-of-2 textures
- assert(srcWidth == dstWidth || srcWidth == 2 * dstWidth);
- */
-
- if (datatype == DTYPE_UBYTE && comps == 4) {
- uint i, j, k;
- const ubyte(*rowA)[4] = (const ubyte(*)[4]) srcRowA;
- const ubyte(*rowB)[4] = (const ubyte(*)[4]) srcRowB;
- ubyte(*dst)[4] = (ubyte(*)[4]) dstRow;
- for (i = j = 0, k = k0; i < (uint) dstWidth;
- i++, j += colStride, k += colStride) {
- dst[i][0] = (rowA[j][0] + rowA[k][0] + rowB[j][0] + rowB[k][0]) / 4;
- dst[i][1] = (rowA[j][1] + rowA[k][1] + rowB[j][1] + rowB[k][1]) / 4;
- dst[i][2] = (rowA[j][2] + rowA[k][2] + rowB[j][2] + rowB[k][2]) / 4;
- dst[i][3] = (rowA[j][3] + rowA[k][3] + rowB[j][3] + rowB[k][3]) / 4;
- }
- }
- else if (datatype == DTYPE_UBYTE && comps == 3) {
- uint i, j, k;
- const ubyte(*rowA)[3] = (const ubyte(*)[3]) srcRowA;
- const ubyte(*rowB)[3] = (const ubyte(*)[3]) srcRowB;
- ubyte(*dst)[3] = (ubyte(*)[3]) dstRow;
- for (i = j = 0, k = k0; i < (uint) dstWidth;
- i++, j += colStride, k += colStride) {
- dst[i][0] = (rowA[j][0] + rowA[k][0] + rowB[j][0] + rowB[k][0]) / 4;
- dst[i][1] = (rowA[j][1] + rowA[k][1] + rowB[j][1] + rowB[k][1]) / 4;
- dst[i][2] = (rowA[j][2] + rowA[k][2] + rowB[j][2] + rowB[k][2]) / 4;
- }
- }
- else if (datatype == DTYPE_UBYTE && comps == 2) {
- uint i, j, k;
- const ubyte(*rowA)[2] = (const ubyte(*)[2]) srcRowA;
- const ubyte(*rowB)[2] = (const ubyte(*)[2]) srcRowB;
- ubyte(*dst)[2] = (ubyte(*)[2]) dstRow;
- for (i = j = 0, k = k0; i < (uint) dstWidth;
- i++, j += colStride, k += colStride) {
- dst[i][0] = (rowA[j][0] + rowA[k][0] + rowB[j][0] + rowB[k][0]) >> 2;
- dst[i][1] = (rowA[j][1] + rowA[k][1] + rowB[j][1] + rowB[k][1]) >> 2;
- }
- }
- else if (datatype == DTYPE_UBYTE && comps == 1) {
- 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) {
- dst[i] = (rowA[j] + rowA[k] + rowB[j] + rowB[k]) >> 2;
- }
- }
-
- else if (datatype == DTYPE_USHORT && comps == 4) {
- uint i, j, k;
- const ushort(*rowA)[4] = (const ushort(*)[4]) srcRowA;
- const ushort(*rowB)[4] = (const ushort(*)[4]) srcRowB;
- ushort(*dst)[4] = (ushort(*)[4]) dstRow;
- for (i = j = 0, k = k0; i < (uint) dstWidth;
- i++, j += colStride, k += colStride) {
- dst[i][0] = (rowA[j][0] + rowA[k][0] + rowB[j][0] + rowB[k][0]) / 4;
- dst[i][1] = (rowA[j][1] + rowA[k][1] + rowB[j][1] + rowB[k][1]) / 4;
- dst[i][2] = (rowA[j][2] + rowA[k][2] + rowB[j][2] + rowB[k][2]) / 4;
- dst[i][3] = (rowA[j][3] + rowA[k][3] + rowB[j][3] + rowB[k][3]) / 4;
- }
- }
- else if (datatype == DTYPE_USHORT && comps == 3) {
- uint i, j, k;
- const ushort(*rowA)[3] = (const ushort(*)[3]) srcRowA;
- const ushort(*rowB)[3] = (const ushort(*)[3]) srcRowB;
- ushort(*dst)[3] = (ushort(*)[3]) dstRow;
- for (i = j = 0, k = k0; i < (uint) dstWidth;
- i++, j += colStride, k += colStride) {
- dst[i][0] = (rowA[j][0] + rowA[k][0] + rowB[j][0] + rowB[k][0]) / 4;
- dst[i][1] = (rowA[j][1] + rowA[k][1] + rowB[j][1] + rowB[k][1]) / 4;
- dst[i][2] = (rowA[j][2] + rowA[k][2] + rowB[j][2] + rowB[k][2]) / 4;
- }
- }
- else if (datatype == DTYPE_USHORT && comps == 2) {
- uint i, j, k;
- const ushort(*rowA)[2] = (const ushort(*)[2]) srcRowA;
- const ushort(*rowB)[2] = (const ushort(*)[2]) srcRowB;
- ushort(*dst)[2] = (ushort(*)[2]) dstRow;
- for (i = j = 0, k = k0; i < (uint) dstWidth;
- i++, j += colStride, k += colStride) {
- dst[i][0] = (rowA[j][0] + rowA[k][0] + rowB[j][0] + rowB[k][0]) / 4;
- dst[i][1] = (rowA[j][1] + rowA[k][1] + rowB[j][1] + rowB[k][1]) / 4;
- }
- }
- else if (datatype == DTYPE_USHORT && comps == 1) {
- 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) {
- dst[i] = (rowA[j] + rowA[k] + rowB[j] + rowB[k]) / 4;
- }
- }
-
- else if (datatype == DTYPE_FLOAT && comps == 4) {
- uint i, j, k;
- const float(*rowA)[4] = (const float(*)[4]) srcRowA;
- const float(*rowB)[4] = (const float(*)[4]) srcRowB;
- float(*dst)[4] = (float(*)[4]) dstRow;
- for (i = j = 0, k = k0; i < (uint) dstWidth;
- i++, j += colStride, k += colStride) {
- dst[i][0] = (rowA[j][0] + rowA[k][0] +
- rowB[j][0] + rowB[k][0]) * 0.25F;
- dst[i][1] = (rowA[j][1] + rowA[k][1] +
- rowB[j][1] + rowB[k][1]) * 0.25F;
- dst[i][2] = (rowA[j][2] + rowA[k][2] +
- rowB[j][2] + rowB[k][2]) * 0.25F;
- dst[i][3] = (rowA[j][3] + rowA[k][3] +
- rowB[j][3] + rowB[k][3]) * 0.25F;
- }
- }
- else if (datatype == DTYPE_FLOAT && comps == 3) {
- uint i, j, k;
- const float(*rowA)[3] = (const float(*)[3]) srcRowA;
- const float(*rowB)[3] = (const float(*)[3]) srcRowB;
- float(*dst)[3] = (float(*)[3]) dstRow;
- for (i = j = 0, k = k0; i < (uint) dstWidth;
- i++, j += colStride, k += colStride) {
- dst[i][0] = (rowA[j][0] + rowA[k][0] +
- rowB[j][0] + rowB[k][0]) * 0.25F;
- dst[i][1] = (rowA[j][1] + rowA[k][1] +
- rowB[j][1] + rowB[k][1]) * 0.25F;
- dst[i][2] = (rowA[j][2] + rowA[k][2] +
- rowB[j][2] + rowB[k][2]) * 0.25F;
- }
- }
- else if (datatype == DTYPE_FLOAT && comps == 2) {
- uint i, j, k;
- const float(*rowA)[2] = (const float(*)[2]) srcRowA;
- const float(*rowB)[2] = (const float(*)[2]) srcRowB;
- float(*dst)[2] = (float(*)[2]) dstRow;
- for (i = j = 0, k = k0; i < (uint) dstWidth;
- i++, j += colStride, k += colStride) {
- dst[i][0] = (rowA[j][0] + rowA[k][0] +
- rowB[j][0] + rowB[k][0]) * 0.25F;
- dst[i][1] = (rowA[j][1] + rowA[k][1] +
- rowB[j][1] + rowB[k][1]) * 0.25F;
- }
- }
- else if (datatype == DTYPE_FLOAT && comps == 1) {
- uint i, j, k;
- const float *rowA = (const float *) srcRowA;
- const float *rowB = (const float *) srcRowB;
- float *dst = (float *) dstRow;
- for (i = j = 0, k = k0; i < (uint) dstWidth;
- i++, j += colStride, k += colStride) {
- dst[i] = (rowA[j] + rowA[k] + rowB[j] + rowB[k]) * 0.25F;
- }
- }
-
-#if 0
- else if (datatype == HALF_DTYPE_FLOAT && comps == 4) {
- uint i, j, k, comp;
- const half_float(*rowA)[4] = (const half_float(*)[4]) srcRowA;
- const half_float(*rowB)[4] = (const half_float(*)[4]) srcRowB;
- half_float(*dst)[4] = (half_float(*)[4]) dstRow;
- for (i = j = 0, k = k0; i < (uint) dstWidth;
- i++, j += colStride, k += colStride) {
- for (comp = 0; comp < 4; comp++) {
- float aj, ak, bj, bk;
- aj = half_to_float(rowA[j][comp]);
- ak = half_to_float(rowA[k][comp]);
- bj = half_to_float(rowB[j][comp]);
- bk = half_to_float(rowB[k][comp]);
- dst[i][comp] = float_to_half((aj + ak + bj + bk) * 0.25F);
- }
- }
- }
- else if (datatype == DTYPE_HALF_FLOAT && comps == 3) {
- uint i, j, k, comp;
- const half_float(*rowA)[3] = (const half_float(*)[3]) srcRowA;
- const half_float(*rowB)[3] = (const half_float(*)[3]) srcRowB;
- half_float(*dst)[3] = (half_float(*)[3]) dstRow;
- for (i = j = 0, k = k0; i < (uint) dstWidth;
- i++, j += colStride, k += colStride) {
- for (comp = 0; comp < 3; comp++) {
- float aj, ak, bj, bk;
- aj = half_to_float(rowA[j][comp]);
- ak = half_to_float(rowA[k][comp]);
- bj = half_to_float(rowB[j][comp]);
- bk = half_to_float(rowB[k][comp]);
- dst[i][comp] = float_to_half((aj + ak + bj + bk) * 0.25F);
- }
- }
- }
- else if (datatype == DTYPE_HALF_FLOAT && comps == 2) {
- uint i, j, k, comp;
- const half_float(*rowA)[2] = (const half_float(*)[2]) srcRowA;
- const half_float(*rowB)[2] = (const half_float(*)[2]) srcRowB;
- half_float(*dst)[2] = (half_float(*)[2]) dstRow;
- for (i = j = 0, k = k0; i < (uint) dstWidth;
- i++, j += colStride, k += colStride) {
- for (comp = 0; comp < 2; comp++) {
- float aj, ak, bj, bk;
- aj = half_to_float(rowA[j][comp]);
- ak = half_to_float(rowA[k][comp]);
- bj = half_to_float(rowB[j][comp]);
- bk = half_to_float(rowB[k][comp]);
- dst[i][comp] = 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 = half_to_float(rowA[j]);
- ak = half_to_float(rowA[k]);
- bj = half_to_float(rowB[j]);
- bk = half_to_float(rowB[k]);
- dst[i] = float_to_half((aj + ak + bj + bk) * 0.25F);
- }
- }
-#endif
-
- 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()");
- }
-}
+#include "util/u_format.h"
+#include "util/u_inlines.h"
/**
- * 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.
+ * Generate mipmap images. It's assumed all needed texture memory is
+ * already allocated.
*
- * \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_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.
+ * \param pt the texture to generate mipmap levels for
+ * \param format format of texture
+ * \param first_layer the first layer to generate mipmap levels for
+ * (ignored for 3D textures)
+ * \param last_layer the last layer to generate mipmap levels for
+ * (ignored for 3D textures)
+ * \param base_level the first mipmap level to use as a src
+ * \param last_level the last mipmap level to generate
+ * \param filter the minification filter used to generate mipmap levels with
+ * one of PIPE_TEX_FILTER_LINEAR, PIPE_TEX_FILTER_NEAREST
*/
-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, const ubyte *srcPtr,
- int dstWidth, int dstHeight, int dstDepth,
- int dstRowStride, ubyte *dstPtr)
-{
- const int bpt = util_format_get_blocksize(pformat);
- const int border = 0;
- int img, row;
- int bytesPerSrcImage, bytesPerDstImage;
- int bytesPerSrcRow, bytesPerDstRow;
- int srcImageOffset, srcRowOffset;
- enum dtype datatype;
- uint comps;
-
- format_to_type_comps(pformat, &datatype, &comps);
-
- bytesPerSrcImage = srcWidth * srcHeight * bpt;
- bytesPerDstImage = dstWidth * dstHeight * bpt;
-
- bytesPerSrcRow = srcWidth * bpt;
- bytesPerDstRow = dstWidth * bpt;
-
- /* Offset between adjacent src images to be averaged together */
- srcImageOffset = (srcDepth == dstDepth) ? 0 : bytesPerSrcImage;
-
- /* Offset between adjacent src rows to be averaged together */
- srcRowOffset = (srcHeight == dstHeight) ? 0 : srcWidth * bpt;
-
- /*
- * 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, skipping border */
- const ubyte *imgSrcA = srcPtr
- + (bytesPerSrcImage + bytesPerSrcRow + border) * bpt * border
- + img * (bytesPerSrcImage + srcImageOffset);
- /* second source image pointer, skipping border */
- const ubyte *imgSrcB = imgSrcA + srcImageOffset;
- /* address of the dest image, skipping border */
- ubyte *imgDst = dstPtr
- + (bytesPerDstImage + bytesPerDstRow + border) * bpt * border
- + img * bytesPerDstImage;
-
- /* 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 += bytesPerSrcRow + srcRowOffset;
- srcImgARowB += bytesPerSrcRow + srcRowOffset;
- srcImgBRowA += bytesPerSrcRow + srcRowOffset;
- srcImgBRowB += bytesPerSrcRow + srcRowOffset;
- dstImgRow += bytesPerDstRow;
- }
- }
-}
-
-
-
-
-static void
-make_1d_mipmap(struct gen_mipmap_state *ctx,
- struct pipe_texture *pt,
- uint face, uint baseLevel, uint lastLevel)
+boolean
+util_gen_mipmap(struct pipe_context *pipe, struct pipe_resource *pt,
+ enum pipe_format format, uint base_level, uint last_level,
+ uint first_layer, uint last_layer, uint filter)
{
- struct pipe_context *pipe = ctx->pipe;
struct pipe_screen *screen = pipe->screen;
- const uint zslice = 0;
+ struct pipe_blit_info blit;
uint dstLevel;
+ boolean is_zs = util_format_is_depth_or_stencil(format);
+ boolean has_depth =
+ util_format_has_depth(util_format_description(format));
- for (dstLevel = baseLevel + 1; dstLevel <= lastLevel; dstLevel++) {
- const uint srcLevel = dstLevel - 1;
- struct pipe_transfer *srcTrans, *dstTrans;
- void *srcMap, *dstMap;
-
- srcTrans = screen->get_tex_transfer(screen, pt, face, srcLevel, zslice,
- PIPE_TRANSFER_READ, 0, 0,
- u_minify(pt->width0, srcLevel),
- u_minify(pt->height0, srcLevel));
- dstTrans = screen->get_tex_transfer(screen, pt, face, dstLevel, zslice,
- PIPE_TRANSFER_WRITE, 0, 0,
- u_minify(pt->width0, dstLevel),
- u_minify(pt->height0, dstLevel));
-
- srcMap = (ubyte *) screen->transfer_map(screen, srcTrans);
- dstMap = (ubyte *) screen->transfer_map(screen, dstTrans);
-
- reduce_1d(pt->format,
- srcTrans->width, srcMap,
- dstTrans->width, dstMap);
-
- screen->transfer_unmap(screen, srcTrans);
- screen->transfer_unmap(screen, dstTrans);
-
- screen->tex_transfer_destroy(srcTrans);
- screen->tex_transfer_destroy(dstTrans);
- }
-}
-
-
-static void
-make_2d_mipmap(struct gen_mipmap_state *ctx,
- struct pipe_texture *pt,
- uint face, uint baseLevel, uint lastLevel)
-{
- struct pipe_context *pipe = ctx->pipe;
- struct pipe_screen *screen = pipe->screen;
- const uint zslice = 0;
- 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;
-
- srcTrans = screen->get_tex_transfer(screen, pt, face, srcLevel, zslice,
- PIPE_TRANSFER_READ, 0, 0,
- u_minify(pt->width0, srcLevel),
- u_minify(pt->height0, srcLevel));
- dstTrans = screen->get_tex_transfer(screen, pt, face, dstLevel, zslice,
- PIPE_TRANSFER_WRITE, 0, 0,
- u_minify(pt->width0, dstLevel),
- u_minify(pt->height0, dstLevel));
-
- srcMap = (ubyte *) screen->transfer_map(screen, srcTrans);
- dstMap = (ubyte *) screen->transfer_map(screen, dstTrans);
-
- reduce_2d(pt->format,
- srcTrans->width, srcTrans->height,
- srcTrans->stride, srcMap,
- dstTrans->width, dstTrans->height,
- dstTrans->stride, dstMap);
-
- screen->transfer_unmap(screen, srcTrans);
- screen->transfer_unmap(screen, dstTrans);
-
- screen->tex_transfer_destroy(srcTrans);
- screen->tex_transfer_destroy(dstTrans);
- }
-}
-
-
-static void
-make_3d_mipmap(struct gen_mipmap_state *ctx,
- struct pipe_texture *pt,
- uint face, uint baseLevel, uint lastLevel)
-{
-#if 0
- struct pipe_context *pipe = ctx->pipe;
- struct pipe_screen *screen = pipe->screen;
- uint dstLevel, zslice = 0;
-
- 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;
-
- srcTrans = screen->get_tex_transfer(screen, pt, face, srcLevel, zslice,
- PIPE_TRANSFER_READ, 0, 0,
- u_minify(pt->width0, srcLevel),
- u_minify(pt->height0, srcLevel));
- dstTrans = screen->get_tex_transfer(screen, pt, face, dstLevel, zslice,
- PIPE_TRANSFER_WRITE, 0, 0,
- u_minify(pt->width0, dstLevel),
- u_minify(pt->height0, dstLevel));
-
- srcMap = (ubyte *) screen->transfer_map(screen, srcTrans);
- dstMap = (ubyte *) screen->transfer_map(screen, dstTrans);
-
- reduce_3d(pt->format,
- srcTrans->width, srcTrans->height,
- srcTrans->stride, srcMap,
- dstTrans->width, dstTrans->height,
- dstTrans->stride, dstMap);
-
- screen->transfer_unmap(screen, srcTrans);
- screen->transfer_unmap(screen, dstTrans);
-
- screen->tex_transfer_destroy(srcTrans);
- screen->tex_transfer_destroy(dstTrans);
- }
-#else
- (void) reduce_3d;
-#endif
-}
-
-
-static void
-fallback_gen_mipmap(struct gen_mipmap_state *ctx,
- struct pipe_texture *pt,
- uint face, uint baseLevel, uint lastLevel)
-{
- switch (pt->target) {
- case PIPE_TEXTURE_1D:
- make_1d_mipmap(ctx, pt, face, baseLevel, lastLevel);
- break;
- case PIPE_TEXTURE_2D:
- case PIPE_TEXTURE_CUBE:
- make_2d_mipmap(ctx, pt, face, baseLevel, lastLevel);
- break;
- case PIPE_TEXTURE_3D:
- make_3d_mipmap(ctx, pt, face, 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, 0, sizeof(ctx->blend));
- ctx->blend.rt[0].colormask = PIPE_MASK_RGBA;
-
- /* no-op depth/stencil/alpha */
- memset(&ctx->depthstencil, 0, sizeof(ctx->depthstencil));
-
- /* rasterizer */
- memset(&ctx->rasterizer, 0, sizeof(ctx->rasterizer));
- ctx->rasterizer.front_winding = PIPE_WINDING_CW;
- ctx->rasterizer.cull_mode = PIPE_WINDING_NONE;
- ctx->rasterizer.gl_rasterization_rules = 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 = 0;
- ctx->velem[i].src_format = PIPE_FORMAT_R32G32B32A32_FLOAT;
- }
-
- /* vertex shader - still needed to specify mapping from fragment
- * shader input semantics to vertex elements
- */
- {
- const uint semantic_names[] = { TGSI_SEMANTIC_POSITION,
- TGSI_SEMANTIC_GENERIC };
- const uint semantic_indexes[] = { 0, 0 };
- ctx->vs = util_make_vertex_passthrough_shader(pipe, 2, semantic_names,
- semantic_indexes);
- }
-
- /* fragment shader */
- ctx->fs2d = util_make_fragment_tex_shader(pipe, TGSI_TEXTURE_2D);
- ctx->fsCube = util_make_fragment_tex_shader(pipe, TGSI_TEXTURE_CUBE);
-
- /* 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;
-}
-
-
-/**
- * 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)
- util_gen_mipmap_flush( ctx );
-
- if (!ctx->vbuf) {
- ctx->vbuf = pipe_buffer_create(ctx->pipe->screen,
- 32,
- PIPE_BUFFER_USAGE_VERTEX,
- 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 face)
-{
- 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;
+ /* nothing to do for stencil-only formats */
+ if (is_zs && !has_depth)
+ return TRUE;
- /* vert[2].position */
- ctx->vertices[2][0][0] = 1.0f;
- ctx->vertices[2][0][1] = 1.0f;
+ /* nothing to do for integer formats */
+ if (!is_zs && util_format_is_pure_integer(format))
+ return TRUE;
- /* 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(face, &st[0][0], 2,
- &ctx->vertices[0][1][0], 8);
- }
- else {
- /* 1D/2D */
- ctx->vertices[0][1][0] = 0.0f; /*s*/
- ctx->vertices[0][1][1] = 0.0f; /*t*/
- ctx->vertices[0][1][2] = 0.0f; /*r*/
-
- ctx->vertices[1][1][0] = 1.0f;
- ctx->vertices[1][1][1] = 0.0f;
- ctx->vertices[1][1][2] = 0.0f;
-
- ctx->vertices[2][1][0] = 1.0f;
- ctx->vertices[2][1][1] = 1.0f;
- ctx->vertices[2][1][2] = 0.0f;
-
- ctx->vertices[3][1][0] = 0.0f;
- ctx->vertices[3][1][1] = 1.0f;
- ctx->vertices[3][1][2] = 0.0f;
+ if (!screen->is_format_supported(screen, format, pt->target,
+ pt->nr_samples, pt->nr_storage_samples,
+ PIPE_BIND_SAMPLER_VIEW |
+ (is_zs ? PIPE_BIND_DEPTH_STENCIL :
+ PIPE_BIND_RENDER_TARGET))) {
+ return FALSE;
}
- offset = get_next_slot( ctx );
-
- pipe_buffer_write_nooverlap(ctx->pipe->screen, 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;
-
- pipe->delete_vs_state(pipe, ctx->vs);
- pipe->delete_fs_state(pipe, ctx->fs2d);
- pipe->delete_fs_state(pipe, ctx->fsCube);
-
- pipe_buffer_reference(&ctx->vbuf, NULL);
-
- FREE(ctx);
-}
-
-
-
-/* Release vertex buffer at end of frame to avoid synchronous
- * rendering.
- */
-void util_gen_mipmap_flush( struct gen_mipmap_state *ctx )
-{
- pipe_buffer_reference(&ctx->vbuf, NULL);
- ctx->vbuf_slot = 0;
-}
-
-
-/**
- * Generate mipmap images. It's assumed all needed texture memory is
- * already allocated.
- *
- * \param pt 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_texture *pt,
- 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;
- void *fs = (pt->target == PIPE_TEXTURE_CUBE) ? ctx->fsCube : ctx->fs2d;
- uint dstLevel;
- uint zslice = 0;
- uint offset;
-
/* The texture object should have room for the levels which we're
* about to generate.
*/
- assert(lastLevel <= pt->last_level);
+ assert(last_level <= pt->last_level);
/* If this fails, why are we here? */
- assert(lastLevel > baseLevel);
-
+ assert(last_level > base_level);
assert(filter == PIPE_TEX_FILTER_LINEAR ||
filter == PIPE_TEX_FILTER_NEAREST);
- /* check if we can render in the texture's format */
- if (!screen->is_format_supported(screen, pt->format, PIPE_TEXTURE_2D,
- PIPE_TEXTURE_USAGE_RENDER_TARGET, 0)) {
- 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_samplers(ctx->cso);
- cso_save_sampler_textures(ctx->cso);
- cso_save_framebuffer(ctx->cso);
- cso_save_fragment_shader(ctx->cso);
- cso_save_vertex_shader(ctx->cso);
- cso_save_viewport(ctx->cso);
- cso_save_clip(ctx->cso);
- cso_save_vertex_elements(ctx->cso);
-
- /* bind our state */
- cso_set_blend(ctx->cso, &ctx->blend);
- cso_set_depth_stencil_alpha(ctx->cso, &ctx->depthstencil);
- cso_set_rasterizer(ctx->cso, &ctx->rasterizer);
- cso_set_clip(ctx->cso, &ctx->clip);
- cso_set_vertex_elements(ctx->cso, 2, ctx->velem);
+ memset(&blit, 0, sizeof(blit));
+ blit.src.resource = blit.dst.resource = pt;
+ blit.src.format = blit.dst.format = format;
+ /* don't set the stencil mask, stencil shouldn't be changed */
+ blit.mask = is_zs ? PIPE_MASK_Z : PIPE_MASK_RGBA;
+ blit.filter = filter;
- cso_set_fragment_shader_handle(ctx->cso, fs);
- cso_set_vertex_shader_handle(ctx->cso, ctx->vs);
+ for (dstLevel = base_level + 1; dstLevel <= last_level; dstLevel++) {
+ blit.src.level = dstLevel - 1;
+ blit.dst.level = dstLevel;
- /* init framebuffer state */
- memset(&fb, 0, sizeof(fb));
- fb.nr_cbufs = 1;
+ blit.src.box.width = u_minify(pt->width0, blit.src.level);
+ blit.src.box.height = u_minify(pt->height0, blit.src.level);
- /* set min/mag to same filter for faster sw speed */
- ctx->sampler.mag_img_filter = filter;
- ctx->sampler.min_img_filter = filter;
-
- /*
- * XXX for small mipmap levels, it may be faster to use the software
- * fallback path...
- */
- for (dstLevel = baseLevel + 1; dstLevel <= lastLevel; dstLevel++) {
- const uint srcLevel = dstLevel - 1;
- struct pipe_viewport_state vp;
+ blit.dst.box.width = u_minify(pt->width0, blit.dst.level);
+ blit.dst.box.height = u_minify(pt->height0, blit.dst.level);
- struct pipe_surface *surf =
- screen->get_tex_surface(screen, pt, face, dstLevel, zslice,
- PIPE_BUFFER_USAGE_GPU_WRITE);
-
- /*
- * Setup framebuffer / dest surface
- */
- 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, 0, &ctx->sampler);
- cso_single_sampler_done(ctx->cso);
-
- cso_set_sampler_textures(ctx->cso, 1, &pt);
-
- /* quad coords in clip coords */
- offset = set_vertex_data(ctx,
- pt->target,
- face);
-
- util_draw_vertex_buffer(ctx->pipe,
- ctx->vbuf,
- offset,
- PIPE_PRIM_TRIANGLE_FAN,
- 4, /* verts */
- 2); /* attribs/vert */
-
- pipe->flush(pipe, PIPE_FLUSH_RENDER_CACHE, NULL);
+ if (pt->target == PIPE_TEXTURE_3D) {
+ /* generate all layers/slices at once */
+ blit.src.box.z = blit.dst.box.z = 0;
+ blit.src.box.depth = util_num_layers(pt, blit.src.level);
+ blit.dst.box.depth = util_num_layers(pt, blit.dst.level);
+ }
+ else {
+ blit.src.box.z = blit.dst.box.z = first_layer;
+ blit.src.box.depth = blit.dst.box.depth =
+ (last_layer + 1 - first_layer);
+ }
- /* need to signal that the texture has changed _after_ rendering to it */
- pipe_surface_reference( &surf, NULL );
+ pipe->blit(pipe, &blit);
}
-
- /* restore state we changed */
- cso_restore_blend(ctx->cso);
- cso_restore_depth_stencil_alpha(ctx->cso);
- cso_restore_rasterizer(ctx->cso);
- cso_restore_samplers(ctx->cso);
- cso_restore_sampler_textures(ctx->cso);
- cso_restore_framebuffer(ctx->cso);
- cso_restore_fragment_shader(ctx->cso);
- cso_restore_vertex_shader(ctx->cso);
- cso_restore_viewport(ctx->cso);
- cso_restore_clip(ctx->cso);
- cso_restore_vertex_elements(ctx->cso);
+ return TRUE;
}
projects / mesa.git / blobdiff