mirror of
https://gitlab.freedesktop.org/mesa/mesa.git
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gallium: initial gen mipmap s/w fallback code
This commit is contained in:
Brian
parent
9f93e67019
commit
de779c8d31
1 changed files with 607 additions and 2 deletions
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@ -34,6 +34,7 @@
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#include "pipe/p_context.h"
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#include "pipe/p_debug.h"
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#include "pipe/p_defines.h"
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#include "pipe/p_inlines.h"
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#include "pipe/p_util.h"
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@ -48,6 +49,612 @@
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#include "tgsi/util/tgsi_parse.h"
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enum dtype
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{
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UBYTE,
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UBYTE_3_3_2,
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USHORT,
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USHORT_4_4_4_4,
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USHORT_5_6_5,
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USHORT_1_5_5_5_REV,
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UINT,
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FLOAT,
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HALF_FLOAT
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};
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typedef ushort half_float;
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#if 0
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extern half_float
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float_to_half(float f);
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extern float
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half_to_float(half_float h);
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#endif
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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 == 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 == 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 == 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 == 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 == 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 == 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 == 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 == 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 == 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 == 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 == 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 == 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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#if 0
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else if (datatype == 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 = half_to_float(rowA[j][comp]);
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ak = half_to_float(rowA[k][comp]);
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bj = half_to_float(rowB[j][comp]);
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bk = half_to_float(rowB[k][comp]);
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dst[i][comp] = 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 == 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 = half_to_float(rowA[j][comp]);
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ak = half_to_float(rowA[k][comp]);
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bj = half_to_float(rowB[j][comp]);
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bk = half_to_float(rowB[k][comp]);
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dst[i][comp] = 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 == 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 = half_to_float(rowA[j][comp]);
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ak = half_to_float(rowA[k][comp]);
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bj = half_to_float(rowB[j][comp]);
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bk = half_to_float(rowB[k][comp]);
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dst[i][comp] = 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 == HALF_FLOAT && comps == 1) {
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uint i, j, k;
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const half_float *rowA = (const half_float *) srcRowA;
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const half_float *rowB = (const half_float *) srcRowB;
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half_float *dst = (half_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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float aj, ak, bj, bk;
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aj = half_to_float(rowA[j]);
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ak = half_to_float(rowA[k]);
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bj = half_to_float(rowB[j]);
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bk = half_to_float(rowB[k]);
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dst[i] = float_to_half((aj + ak + bj + bk) * 0.25F);
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}
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}
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#endif
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else if (datatype == UINT && comps == 1) {
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uint i, j, k;
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const uint *rowA = (const uint *) srcRowA;
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const uint *rowB = (const uint *) 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] / 4 + rowA[k] / 4 + rowB[j] / 4 + rowB[k] / 4;
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}
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}
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else if (datatype == USHORT_5_6_5 && comps == 3) {
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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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const int rowAr0 = rowA[j] & 0x1f;
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const int rowAr1 = rowA[k] & 0x1f;
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const int rowBr0 = rowB[j] & 0x1f;
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const int rowBr1 = rowB[k] & 0x1f;
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const int rowAg0 = (rowA[j] >> 5) & 0x3f;
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const int rowAg1 = (rowA[k] >> 5) & 0x3f;
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const int rowBg0 = (rowB[j] >> 5) & 0x3f;
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const int rowBg1 = (rowB[k] >> 5) & 0x3f;
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const int rowAb0 = (rowA[j] >> 11) & 0x1f;
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const int rowAb1 = (rowA[k] >> 11) & 0x1f;
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const int rowBb0 = (rowB[j] >> 11) & 0x1f;
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const int rowBb1 = (rowB[k] >> 11) & 0x1f;
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const int red = (rowAr0 + rowAr1 + rowBr0 + rowBr1) >> 2;
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const int green = (rowAg0 + rowAg1 + rowBg0 + rowBg1) >> 2;
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const int blue = (rowAb0 + rowAb1 + rowBb0 + rowBb1) >> 2;
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dst[i] = (blue << 11) | (green << 5) | red;
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}
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}
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else if (datatype == USHORT_4_4_4_4 && comps == 4) {
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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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const int rowAr0 = rowA[j] & 0xf;
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const int rowAr1 = rowA[k] & 0xf;
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const int rowBr0 = rowB[j] & 0xf;
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const int rowBr1 = rowB[k] & 0xf;
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const int rowAg0 = (rowA[j] >> 4) & 0xf;
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const int rowAg1 = (rowA[k] >> 4) & 0xf;
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const int rowBg0 = (rowB[j] >> 4) & 0xf;
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const int rowBg1 = (rowB[k] >> 4) & 0xf;
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const int rowAb0 = (rowA[j] >> 8) & 0xf;
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const int rowAb1 = (rowA[k] >> 8) & 0xf;
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const int rowBb0 = (rowB[j] >> 8) & 0xf;
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const int rowBb1 = (rowB[k] >> 8) & 0xf;
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const int rowAa0 = (rowA[j] >> 12) & 0xf;
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const int rowAa1 = (rowA[k] >> 12) & 0xf;
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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 == 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] & 0xf;
|
||||
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 == 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()");
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
static void
|
||||
format_to_type_comps(enum pipe_format pformat,
|
||||
enum dtype *datatype, uint *comps)
|
||||
{
|
||||
switch (pformat) {
|
||||
case PIPE_FORMAT_A8R8G8B8_UNORM:
|
||||
case PIPE_FORMAT_B8G8R8A8_UNORM:
|
||||
*datatype = UBYTE;
|
||||
*comps = 4;
|
||||
return;
|
||||
case PIPE_FORMAT_A1R5G5B5_UNORM:
|
||||
*datatype = USHORT_1_5_5_5_REV;
|
||||
*comps = 4;
|
||||
return;
|
||||
case PIPE_FORMAT_A4R4G4B4_UNORM:
|
||||
*datatype = USHORT_4_4_4_4;
|
||||
*comps = 4;
|
||||
return;
|
||||
case PIPE_FORMAT_R5G6B5_UNORM:
|
||||
*datatype = USHORT_5_6_5;
|
||||
*comps = 3;
|
||||
return;
|
||||
case PIPE_FORMAT_U_L8:
|
||||
case PIPE_FORMAT_U_A8:
|
||||
case PIPE_FORMAT_U_I8:
|
||||
*datatype = UBYTE;
|
||||
*comps = 1;
|
||||
return;
|
||||
case PIPE_FORMAT_U_A8_L8:
|
||||
*datatype = UBYTE;
|
||||
*comps = 2;
|
||||
return;
|
||||
default:
|
||||
assert(0);
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
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 = pf_get_size(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
|
||||
make_1d_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;
|
||||
struct pipe_winsys *winsys = pipe->winsys;
|
||||
const uint zslice = 0;
|
||||
uint dstLevel;
|
||||
|
||||
for (dstLevel = baseLevel + 1; dstLevel <= lastLevel; dstLevel++) {
|
||||
const uint srcLevel = dstLevel - 1;
|
||||
struct pipe_surface *srcSurf, *dstSurf;
|
||||
void *srcMap, *dstMap;
|
||||
|
||||
srcSurf = screen->get_tex_surface(screen, pt, face, srcLevel, zslice);
|
||||
dstSurf = screen->get_tex_surface(screen, pt, face, dstLevel, zslice);
|
||||
|
||||
srcMap = ((ubyte *) winsys->buffer_map(winsys, srcSurf->buffer,
|
||||
PIPE_BUFFER_USAGE_CPU_READ)
|
||||
+ srcSurf->offset);
|
||||
dstMap = ((ubyte *) winsys->buffer_map(winsys, dstSurf->buffer,
|
||||
PIPE_BUFFER_USAGE_CPU_WRITE)
|
||||
+ dstSurf->offset);
|
||||
|
||||
reduce_1d(pt->format,
|
||||
srcSurf->width, srcMap,
|
||||
dstSurf->width, dstMap);
|
||||
|
||||
winsys->buffer_unmap(winsys, srcSurf->buffer);
|
||||
winsys->buffer_unmap(winsys, dstSurf->buffer);
|
||||
|
||||
pipe_surface_reference(&srcSurf, NULL);
|
||||
pipe_surface_reference(&dstSurf, NULL);
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
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;
|
||||
struct pipe_winsys *winsys = pipe->winsys;
|
||||
const uint zslice = 0;
|
||||
uint dstLevel;
|
||||
const int bpt = pf_get_size(pt->format);
|
||||
|
||||
for (dstLevel = baseLevel + 1; dstLevel <= lastLevel; dstLevel++) {
|
||||
const uint srcLevel = dstLevel - 1;
|
||||
struct pipe_surface *srcSurf, *dstSurf;
|
||||
ubyte *srcMap, *dstMap;
|
||||
|
||||
srcSurf = screen->get_tex_surface(screen, pt, face, srcLevel, zslice);
|
||||
dstSurf = screen->get_tex_surface(screen, pt, face, dstLevel, zslice);
|
||||
|
||||
srcMap = ((ubyte *) winsys->buffer_map(winsys, srcSurf->buffer,
|
||||
PIPE_BUFFER_USAGE_CPU_READ)
|
||||
+ srcSurf->offset);
|
||||
dstMap = ((ubyte *) winsys->buffer_map(winsys, dstSurf->buffer,
|
||||
PIPE_BUFFER_USAGE_CPU_WRITE)
|
||||
+ dstSurf->offset);
|
||||
|
||||
reduce_2d(pt->format,
|
||||
srcSurf->width, srcSurf->height,
|
||||
srcSurf->pitch * bpt, srcMap,
|
||||
dstSurf->width, dstSurf->height,
|
||||
dstSurf->pitch * bpt, dstMap);
|
||||
|
||||
winsys->buffer_unmap(winsys, srcSurf->buffer);
|
||||
winsys->buffer_unmap(winsys, dstSurf->buffer);
|
||||
|
||||
pipe_surface_reference(&srcSurf, NULL);
|
||||
pipe_surface_reference(&dstSurf, NULL);
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
static void
|
||||
make_3d_mipmap(struct gen_mipmap_state *ctx,
|
||||
struct pipe_texture *pt,
|
||||
uint face, uint baseLevel, uint lastLevel)
|
||||
{
|
||||
}
|
||||
|
||||
|
||||
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);
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Make simple fragment shader:
|
||||
* TEX OUT[0], IN[0], SAMP[0], 2D;
|
||||
|
|
@ -415,9 +1022,7 @@ util_gen_mipmap(struct gen_mipmap_state *ctx,
|
|||
|
||||
/* check if we can render in the texture's format */
|
||||
if (!screen->is_format_supported(screen, pt->format, PIPE_SURFACE)) {
|
||||
#if 0
|
||||
fallback_gen_mipmap(ctx, pt, face, baseLevel, lastLevel);
|
||||
#endif
|
||||
return;
|
||||
}
|
||||
|
||||
|
|
|
|||
Loading…
Add table
Reference in a new issue