*
* Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
* All Rights Reserved.
+ * Copyright 2008 VMware, Inc. All rights reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
#include "pipe/p_context.h"
-#include "pipe/p_debug.h"
+#include "util/u_debug.h"
#include "pipe/p_defines.h"
#include "pipe/p_inlines.h"
-#include "pipe/p_winsys.h"
#include "pipe/p_shader_tokens.h"
+#include "pipe/p_state.h"
#include "util/u_memory.h"
#include "util/u_draw_quad.h"
struct pipe_depth_stencil_alpha_state depthstencil;
struct pipe_rasterizer_state rasterizer;
struct pipe_sampler_state sampler;
- struct pipe_viewport_state viewport;
- struct pipe_shader_state vert_shader;
- struct pipe_shader_state frag_shader;
void *vs;
void *fs;
enum dtype
{
- UBYTE,
- UBYTE_3_3_2,
- USHORT,
- USHORT_4_4_4_4,
- USHORT_5_6_5,
- USHORT_1_5_5_5_REV,
- UINT,
- FLOAT,
- HALF_FLOAT
+ 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;
-#if 0
-extern half_float
-float_to_half(float f);
+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;
+}
+
-extern float
-half_to_float(half_float h);
-#endif
+
+
+/**
+ * \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)
+/*@}*/
/**
assert(srcWidth == dstWidth || srcWidth == 2 * dstWidth);
*/
- if (datatype == UBYTE && comps == 4) {
+ 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;
dst[i][3] = (rowA[j][3] + rowA[k][3] + rowB[j][3] + rowB[k][3]) / 4;
}
}
- else if (datatype == UBYTE && comps == 3) {
+ 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;
dst[i][2] = (rowA[j][2] + rowA[k][2] + rowB[j][2] + rowB[k][2]) / 4;
}
}
- else if (datatype == UBYTE && comps == 2) {
+ 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;
dst[i][1] = (rowA[j][1] + rowA[k][1] + rowB[j][1] + rowB[k][1]) >> 2;
}
}
- else if (datatype == UBYTE && comps == 1) {
+ else if (datatype == DTYPE_UBYTE && comps == 1) {
uint i, j, k;
const ubyte *rowA = (const ubyte *) srcRowA;
const ubyte *rowB = (const ubyte *) srcRowB;
}
}
- else if (datatype == USHORT && comps == 4) {
+ 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;
dst[i][3] = (rowA[j][3] + rowA[k][3] + rowB[j][3] + rowB[k][3]) / 4;
}
}
- else if (datatype == USHORT && comps == 3) {
+ 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;
dst[i][2] = (rowA[j][2] + rowA[k][2] + rowB[j][2] + rowB[k][2]) / 4;
}
}
- else if (datatype == USHORT && comps == 2) {
+ 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;
dst[i][1] = (rowA[j][1] + rowA[k][1] + rowB[j][1] + rowB[k][1]) / 4;
}
}
- else if (datatype == USHORT && comps == 1) {
+ else if (datatype == DTYPE_USHORT && comps == 1) {
uint i, j, k;
const ushort *rowA = (const ushort *) srcRowA;
const ushort *rowB = (const ushort *) srcRowB;
}
}
- else if (datatype == FLOAT && comps == 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;
rowB[j][3] + rowB[k][3]) * 0.25F;
}
}
- else if (datatype == FLOAT && comps == 3) {
+ 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;
rowB[j][2] + rowB[k][2]) * 0.25F;
}
}
- else if (datatype == FLOAT && comps == 2) {
+ 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;
rowB[j][1] + rowB[k][1]) * 0.25F;
}
}
- else if (datatype == FLOAT && comps == 1) {
+ else if (datatype == DTYPE_FLOAT && comps == 1) {
uint i, j, k;
const float *rowA = (const float *) srcRowA;
const float *rowB = (const float *) srcRowB;
}
#if 0
- else if (datatype == HALF_FLOAT && comps == 4) {
+ 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;
}
}
}
- else if (datatype == HALF_FLOAT && comps == 3) {
+ 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;
}
}
}
- else if (datatype == HALF_FLOAT && comps == 2) {
+ 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;
}
}
}
- else if (datatype == HALF_FLOAT && comps == 1) {
+ 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;
}
#endif
- else if (datatype == UINT && comps == 1) {
+ else if (datatype == DTYPE_UINT && comps == 1) {
uint i, j, k;
const uint *rowA = (const uint *) srcRowA;
const uint *rowB = (const uint *) srcRowB;
}
}
- else if (datatype == USHORT_5_6_5 && comps == 3) {
+ 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;
dst[i] = (blue << 11) | (green << 5) | red;
}
}
- else if (datatype == USHORT_4_4_4_4 && comps == 4) {
+ 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;
dst[i] = (alpha << 12) | (blue << 8) | (green << 4) | red;
}
}
- else if (datatype == USHORT_1_5_5_5_REV && comps == 4) {
+ 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;
const int rowAr0 = rowA[j] & 0x1f;
const int rowAr1 = rowA[k] & 0x1f;
const int rowBr0 = rowB[j] & 0x1f;
- const int rowBr1 = rowB[k] & 0xf;
+ 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;
dst[i] = (alpha << 15) | (blue << 10) | (green << 5) | red;
}
}
- else if (datatype == UBYTE_3_3_2 && comps == 3) {
+ 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;
}
+/**
+ * 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)
case PIPE_FORMAT_X8R8G8B8_UNORM:
case PIPE_FORMAT_B8G8R8A8_UNORM:
case PIPE_FORMAT_B8G8R8X8_UNORM:
- *datatype = UBYTE;
+ *datatype = DTYPE_UBYTE;
*comps = 4;
return;
case PIPE_FORMAT_A1R5G5B5_UNORM:
- *datatype = USHORT_1_5_5_5_REV;
+ *datatype = DTYPE_USHORT_1_5_5_5_REV;
*comps = 4;
return;
case PIPE_FORMAT_A4R4G4B4_UNORM:
- *datatype = USHORT_4_4_4_4;
+ *datatype = DTYPE_USHORT_4_4_4_4;
*comps = 4;
return;
case PIPE_FORMAT_R5G6B5_UNORM:
- *datatype = USHORT_5_6_5;
+ *datatype = DTYPE_USHORT_5_6_5;
*comps = 3;
return;
case PIPE_FORMAT_L8_UNORM:
case PIPE_FORMAT_A8_UNORM:
case PIPE_FORMAT_I8_UNORM:
- *datatype = UBYTE;
+ *datatype = DTYPE_UBYTE;
*comps = 1;
return;
case PIPE_FORMAT_A8L8_UNORM:
- *datatype = UBYTE;
+ *datatype = DTYPE_UBYTE;
*comps = 2;
return;
default:
assert(0);
- *datatype = UBYTE;
+ *datatype = DTYPE_UBYTE;
*comps = 0;
break;
}
}
+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 = pf_get_size(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.
+ */
+
+ /*
+ _mesa_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,
for (dstLevel = baseLevel + 1; dstLevel <= lastLevel; dstLevel++) {
const uint srcLevel = dstLevel - 1;
- struct pipe_surface *srcSurf, *dstSurf;
+ struct pipe_transfer *srcTrans, *dstTrans;
void *srcMap, *dstMap;
- srcSurf = screen->get_tex_surface(screen, pt, face, srcLevel, zslice,
- PIPE_BUFFER_USAGE_CPU_READ);
-
- dstSurf = screen->get_tex_surface(screen, pt, face, dstLevel, zslice,
- PIPE_BUFFER_USAGE_CPU_WRITE);
-
- srcMap = ((ubyte *) pipe_buffer_map(screen, srcSurf->buffer,
- PIPE_BUFFER_USAGE_CPU_READ)
- + srcSurf->offset);
- dstMap = ((ubyte *) pipe_buffer_map(screen, dstSurf->buffer,
- PIPE_BUFFER_USAGE_CPU_WRITE)
- + dstSurf->offset);
+ srcTrans = screen->get_tex_transfer(screen, pt, face, srcLevel, zslice,
+ PIPE_TRANSFER_READ, 0, 0,
+ pt->width[srcLevel],
+ pt->height[srcLevel]);
+ dstTrans = screen->get_tex_transfer(screen, pt, face, dstLevel, zslice,
+ PIPE_TRANSFER_WRITE, 0, 0,
+ pt->width[dstLevel],
+ pt->height[dstLevel]);
+
+ srcMap = (ubyte *) screen->transfer_map(screen, srcTrans);
+ dstMap = (ubyte *) screen->transfer_map(screen, dstTrans);
reduce_1d(pt->format,
- srcSurf->width, srcMap,
- dstSurf->width, dstMap);
+ srcTrans->width, srcMap,
+ dstTrans->width, dstMap);
- pipe_buffer_unmap(screen, srcSurf->buffer);
- pipe_buffer_unmap(screen, dstSurf->buffer);
+ screen->transfer_unmap(screen, srcTrans);
+ screen->transfer_unmap(screen, dstTrans);
- pipe_surface_reference(&srcSurf, NULL);
- pipe_surface_reference(&dstSurf, NULL);
+ screen->tex_transfer_destroy(srcTrans);
+ screen->tex_transfer_destroy(dstTrans);
}
}
for (dstLevel = baseLevel + 1; dstLevel <= lastLevel; dstLevel++) {
const uint srcLevel = dstLevel - 1;
- struct pipe_surface *srcSurf, *dstSurf;
+ struct pipe_transfer *srcTrans, *dstTrans;
ubyte *srcMap, *dstMap;
- srcSurf = screen->get_tex_surface(screen, pt, face, srcLevel, zslice,
- PIPE_BUFFER_USAGE_CPU_READ);
- dstSurf = screen->get_tex_surface(screen, pt, face, dstLevel, zslice,
- PIPE_BUFFER_USAGE_CPU_WRITE);
-
- srcMap = ((ubyte *) pipe_buffer_map(screen, srcSurf->buffer,
- PIPE_BUFFER_USAGE_CPU_READ)
- + srcSurf->offset);
- dstMap = ((ubyte *) pipe_buffer_map(screen, dstSurf->buffer,
- PIPE_BUFFER_USAGE_CPU_WRITE)
- + dstSurf->offset);
+ srcTrans = screen->get_tex_transfer(screen, pt, face, srcLevel, zslice,
+ PIPE_TRANSFER_READ, 0, 0,
+ pt->width[srcLevel],
+ pt->height[srcLevel]);
+ dstTrans = screen->get_tex_transfer(screen, pt, face, dstLevel, zslice,
+ PIPE_TRANSFER_WRITE, 0, 0,
+ pt->width[dstLevel],
+ pt->height[dstLevel]);
+
+ srcMap = (ubyte *) screen->transfer_map(screen, srcTrans);
+ dstMap = (ubyte *) screen->transfer_map(screen, dstTrans);
reduce_2d(pt->format,
- srcSurf->width, srcSurf->height,
- srcSurf->stride, srcMap,
- dstSurf->width, dstSurf->height,
- dstSurf->stride, dstMap);
+ srcTrans->width, srcTrans->height,
+ srcTrans->stride, srcMap,
+ dstTrans->width, dstTrans->height,
+ dstTrans->stride, dstMap);
- pipe_buffer_unmap(screen, srcSurf->buffer);
- pipe_buffer_unmap(screen, dstSurf->buffer);
+ screen->transfer_unmap(screen, srcTrans);
+ screen->transfer_unmap(screen, dstTrans);
- pipe_surface_reference(&srcSurf, NULL);
- pipe_surface_reference(&dstSurf, NULL);
+ screen->tex_transfer_destroy(srcTrans);
+ screen->tex_transfer_destroy(dstTrans);
}
}
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(pt->block.width == 1);
+ assert(pt->block.height == 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,
+ pt->width[srcLevel],
+ pt->height[srcLevel]);
+ dstTrans = screen->get_tex_transfer(screen, pt, face, dstLevel, zslice,
+ PIPE_TRANSFER_WRITE, 0, 0,
+ pt->width[dstLevel],
+ pt->height[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
}
/* disabled blending/masking */
memset(&ctx->blend, 0, sizeof(ctx->blend));
- ctx->blend.rgb_src_factor = PIPE_BLENDFACTOR_ONE;
- ctx->blend.alpha_src_factor = PIPE_BLENDFACTOR_ONE;
- ctx->blend.rgb_dst_factor = PIPE_BLENDFACTOR_ZERO;
- ctx->blend.alpha_dst_factor = PIPE_BLENDFACTOR_ZERO;
ctx->blend.colormask = PIPE_MASK_RGBA;
/* no-op depth/stencil/alpha */
memset(&ctx->rasterizer, 0, sizeof(ctx->rasterizer));
ctx->rasterizer.front_winding = PIPE_WINDING_CW;
ctx->rasterizer.cull_mode = PIPE_WINDING_NONE;
- ctx->rasterizer.bypass_clipping = 1;
- /*ctx->rasterizer.bypass_vs = 1;*/
+ ctx->rasterizer.bypass_vs_clip_and_viewport = 1;
ctx->rasterizer.gl_rasterization_rules = 1;
/* sampler state */
ctx->sampler.min_mip_filter = PIPE_TEX_MIPFILTER_NEAREST;
ctx->sampler.normalized_coords = 1;
- /* viewport state (identity, verts are in wincoords) */
- ctx->viewport.scale[0] = 1.0;
- ctx->viewport.scale[1] = 1.0;
- ctx->viewport.scale[2] = 1.0;
- ctx->viewport.scale[3] = 1.0;
- ctx->viewport.translate[0] = 0.0;
- ctx->viewport.translate[1] = 0.0;
- ctx->viewport.translate[2] = 0.0;
- ctx->viewport.translate[3] = 0.0;
-
- /* vertex shader */
+ /* 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,
- &ctx->vert_shader);
+ semantic_indexes);
}
/* fragment shader */
- ctx->fs = util_make_fragment_tex_shader(pipe, &ctx->frag_shader);
-
- ctx->vbuf = pipe_buffer_create(pipe->screen,
- 32,
- PIPE_BUFFER_USAGE_VERTEX,
- sizeof(ctx->vertices));
- if (!ctx->vbuf) {
- FREE(ctx);
- return NULL;
- }
+ ctx->fs = util_make_fragment_tex_shader(pipe);
/* 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][2] = 0.0f; /* r */
ctx->vertices[i][1][3] = 1.0f; /* q */
}
+ /* Note: the actual vertex buffer is allocated as needed below */
+
return ctx;
}
-static unsigned get_next_slot( struct gen_mipmap_state *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;
return ctx->vbuf_slot++ * sizeof ctx->vertices;
}
+
static unsigned
-set_vertex_data(struct gen_mipmap_state *ctx, float width, float height)
+set_vertex_data(struct gen_mipmap_state *ctx,
+ enum pipe_texture_target tex_target,
+ uint face, float width, float height)
{
- void *buf;
unsigned offset;
+ /* vert[0].position */
ctx->vertices[0][0][0] = 0.0f; /*x*/
ctx->vertices[0][0][1] = 0.0f; /*y*/
- ctx->vertices[0][1][0] = 0.0f; /*s*/
- ctx->vertices[0][1][1] = 0.0f; /*t*/
+ /* vert[1].position */
ctx->vertices[1][0][0] = width;
ctx->vertices[1][0][1] = 0.0f;
- ctx->vertices[1][1][0] = 1.0f;
- ctx->vertices[1][1][1] = 0.0f;
+ /* vert[2].position */
ctx->vertices[2][0][0] = width;
ctx->vertices[2][0][1] = height;
- ctx->vertices[2][1][0] = 1.0f;
- ctx->vertices[2][1][1] = 1.0f;
+ /* vert[3].position */
ctx->vertices[3][0][0] = 0.0f;
ctx->vertices[3][0][1] = height;
- ctx->vertices[3][1][0] = 0.0f;
- ctx->vertices[3][1][1] = 1.0f;
- offset = get_next_slot( ctx );
+ /* 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}
+ };
+ float rx, ry, rz;
+ uint i;
+
+ /* loop over quad verts */
+ for (i = 0; i < 4; i++) {
+ /* Compute sc = +/-scale and tc = +/-scale.
+ * Not +/-1 to avoid cube face selection ambiguity near the edges,
+ * though that can still sometimes happen with this scale factor...
+ */
+ const float scale = 0.9999f;
+ const float sc = (2.0f * st[i][0] - 1.0f) * scale;
+ const float tc = (2.0f * st[i][1] - 1.0f) * scale;
+
+ switch (face) {
+ case PIPE_TEX_FACE_POS_X:
+ rx = 1.0f;
+ ry = -tc;
+ rz = -sc;
+ break;
+ case PIPE_TEX_FACE_NEG_X:
+ rx = -1.0f;
+ ry = -tc;
+ rz = sc;
+ break;
+ case PIPE_TEX_FACE_POS_Y:
+ rx = sc;
+ ry = 1.0f;
+ rz = tc;
+ break;
+ case PIPE_TEX_FACE_NEG_Y:
+ rx = sc;
+ ry = -1.0f;
+ rz = -tc;
+ break;
+ case PIPE_TEX_FACE_POS_Z:
+ rx = sc;
+ ry = -tc;
+ rz = 1.0f;
+ break;
+ case PIPE_TEX_FACE_NEG_Z:
+ rx = -sc;
+ ry = -tc;
+ rz = -1.0f;
+ break;
+ default:
+ assert(0);
+ }
- buf = pipe_buffer_map(ctx->pipe->screen, ctx->vbuf,
- PIPE_BUFFER_USAGE_CPU_WRITE);
+ ctx->vertices[i][1][0] = rx; /*s*/
+ ctx->vertices[i][1][1] = ry; /*t*/
+ ctx->vertices[i][1][2] = rz; /*r*/
+ }
+ }
+ 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;
+ }
- memcpy((char *)buf + offset, ctx->vertices, sizeof(ctx->vertices));
+ offset = get_next_slot( ctx );
- pipe_buffer_unmap(ctx->pipe->screen, ctx->vbuf);
+ pipe_buffer_write(ctx->pipe->screen, ctx->vbuf,
+ offset, sizeof(ctx->vertices), ctx->vertices);
return offset;
}
pipe->delete_vs_state(pipe, ctx->vs);
pipe->delete_fs_state(pipe, ctx->fs);
- FREE((void*) ctx->vert_shader.tokens);
- FREE((void*) ctx->frag_shader.tokens);
-
- pipe_buffer_reference(pipe->screen, &ctx->vbuf, NULL);
+ pipe_buffer_reference(&ctx->vbuf, NULL);
FREE(ctx);
}
*/
void util_gen_mipmap_flush( struct gen_mipmap_state *ctx )
{
- pipe_buffer_reference(ctx->pipe->screen, &ctx->vbuf, NULL);
+ pipe_buffer_reference(&ctx->vbuf, NULL);
ctx->vbuf_slot = 0;
}
cso_save_framebuffer(ctx->cso);
cso_save_fragment_shader(ctx->cso);
cso_save_vertex_shader(ctx->cso);
- cso_save_viewport(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_viewport(ctx->cso, &ctx->viewport);
cso_set_fragment_shader_handle(ctx->cso, ctx->fs);
cso_set_vertex_shader_handle(ctx->cso, ctx->vs);
/* init framebuffer state */
memset(&fb, 0, sizeof(fb));
- fb.num_cbufs = 1;
+ fb.nr_cbufs = 1;
/* set min/mag to same filter for faster sw speed */
ctx->sampler.mag_img_filter = filter;
cso_set_sampler_textures(ctx->cso, 1, &pt);
- /* quad coords in window coords (bypassing clipping, viewport mapping) */
+ /* quad coords in window coords (bypassing vs, clip and viewport) */
offset = set_vertex_data(ctx,
+ pt->target,
+ face,
(float) pt->width[dstLevel],
(float) pt->height[dstLevel]);
cso_restore_framebuffer(ctx->cso);
cso_restore_fragment_shader(ctx->cso);
cso_restore_vertex_shader(ctx->cso);
- cso_restore_viewport(ctx->cso);
}
projects / mesa.git / blobdiff