-/*
- * (C) Copyright IBM Corporation 2008
+/**************************************************************************
+ *
+ * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * on the rights to use, copy, modify, merge, publish, distribute, sub
- * license, and/or sell copies of the Software, and to permit persons to whom
- * the Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
- * AUTHORS, COPYRIGHT HOLDERS, AND/OR THEIR 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.
- */
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ **************************************************************************/
/**
- * \file spu_per_fragment_op.c
- * SPU implementation various per-fragment operations.
- *
- * \author Ian Romanick <idr@us.ibm.com>
+ * \author Brian Paul
*/
#include "spu_colorpack.h"
#include "spu_per_fragment_op.h"
-#define ZERO 0x80
-
-
-/**
- * Get a "quad" of four fragment Z/stencil values from the given tile.
- * \param tile the tile of Z/stencil values
- * \param x, y location of the quad in the tile, in pixels
- * \param depth_format format of the tile's data
- * \param detph returns four depth values
- * \param stencil returns four stencil values
- */
-static void
-read_ds_quad(tile_t *tile, unsigned x, unsigned y,
- enum pipe_format depth_format, qword *depth,
- qword *stencil)
-{
- const int ix = x / 2;
- const int iy = y / 2;
-
- switch (depth_format) {
- case PIPE_FORMAT_Z16_UNORM: {
- qword *ptr = (qword *) &tile->us8[iy][ix / 2];
-
- const qword shuf_vec = (qword) {
- ZERO, ZERO, 0, 1, ZERO, ZERO, 2, 3,
- ZERO, ZERO, 4, 5, ZERO, ZERO, 6, 7
- };
-
- /* At even X values we want the first 4 shorts, and at odd X values we
- * want the second 4 shorts.
- */
- qword bias = (qword) spu_splats((unsigned char) ((ix & 0x01) << 3));
- qword bias_mask = si_fsmbi(0x3333);
- qword sv = si_a(shuf_vec, si_and(bias_mask, bias));
-
- *depth = si_shufb(*ptr, *ptr, sv);
- *stencil = si_il(0);
- break;
- }
-
- case PIPE_FORMAT_Z32_UNORM: {
- qword *ptr = (qword *) &tile->ui4[iy][ix];
-
- *depth = *ptr;
- *stencil = si_il(0);
- break;
- }
-
- case PIPE_FORMAT_Z24S8_UNORM: {
- qword *ptr = (qword *) &tile->ui4[iy][ix];
- qword mask = si_fsmbi(0xEEEE);
-
- *depth = si_rotmai(si_and(*ptr, mask), -8);
- *stencil = si_andc(*ptr, mask);
- break;
- }
-
- case PIPE_FORMAT_S8Z24_UNORM:
- case PIPE_FORMAT_X8Z24_UNORM: {
- qword *ptr = (qword *) &tile->ui4[iy][ix];
-
- *depth = si_and(*ptr, si_fsmbi(0x7777));
- *stencil = si_andi(si_roti(*ptr, 8), 0x0ff);
- break;
- }
-
- default:
- ASSERT(0);
- break;
- }
-}
-
-
-/**
- * Put a quad of Z/stencil values into a tile.
- * \param tile the tile of Z/stencil values to write into
- * \param x, y location of the quad in the tile, in pixels
- * \param depth_format format of the tile's data
- * \param detph depth values to store
- * \param stencil stencil values to store
- */
-static void
-write_ds_quad(tile_t *buffer, unsigned x, unsigned y,
- enum pipe_format depth_format,
- qword depth, qword stencil)
-{
- const int ix = x / 2;
- const int iy = y / 2;
-
- (void) stencil;
-
- switch (depth_format) {
- case PIPE_FORMAT_Z16_UNORM: {
- qword *ptr = (qword *) &buffer->us8[iy][ix / 2];
-
- qword sv = ((ix & 0x01) == 0)
- ? (qword) { 2, 3, 6, 7, 10, 11, 14, 15,
- 24, 25, 26, 27, 28, 29, 30, 31 }
- : (qword) { 16, 17, 18, 19, 20 , 21, 22, 23,
- 2, 3, 6, 7, 10, 11, 14, 15 };
- *ptr = si_shufb(depth, *ptr, sv);
- break;
- }
-
- case PIPE_FORMAT_Z32_UNORM: {
- qword *ptr = (qword *) &buffer->ui4[iy][ix];
- *ptr = depth;
- break;
- }
-
- case PIPE_FORMAT_Z24S8_UNORM: {
- qword *ptr = (qword *) &buffer->ui4[iy][ix];
- /* form select mask = 1110,1110,1110,1110 */
- qword mask = si_fsmbi(0xEEEE);
- /* depth[i] = depth[i] << 8 */
- depth = si_shli(depth, 8);
- /* *ptr[i] = depth[i][31:8] | stencil[i][7:0] */
- *ptr = si_selb(stencil, depth, mask);
- break;
- }
-
- case PIPE_FORMAT_S8Z24_UNORM:
- case PIPE_FORMAT_X8Z24_UNORM: {
- qword *ptr = (qword *) &buffer->ui4[iy][ix];
- /* form select mask = 0111,0111,0111,0111 */
- qword mask = si_fsmbi(0x7777);
- /* stencil[i] = stencil[i] << 24 */
- stencil = si_shli(stencil, 24);
- /* *ptr[i] = stencil[i][31:24] | depth[i][23:0] */
- *ptr = si_selb(stencil, depth, mask);
- break;
- }
-
- default:
- ASSERT(0);
- break;
- }
-}
-
-
-/**
- * Do depth/stencil/alpha test for a "quad" of 4 fragments.
- * \param x,y location of quad within tile
- * \param frag_mask indicates which fragments are "alive"
- * \param frag_depth four fragment depth values
- * \param frag_alpha four fragment alpha values
- * \param facing front/back facing for four fragments (1=front, 0=back)
- */
-qword
-spu_do_depth_stencil(int x, int y,
- qword frag_mask, qword frag_depth, qword frag_alpha,
- qword facing)
-{
- struct spu_frag_test_results result;
- qword pixel_depth;
- qword pixel_stencil;
-
- /* All of this preable code (everthing before the call to frag_test) should
- * be generated on the PPU and upload to the SPU.
- */
- if (spu.read_depth || spu.read_stencil) {
- read_ds_quad(&spu.ztile, x, y, spu.fb.depth_format,
- &pixel_depth, &pixel_stencil);
- }
-
- /* convert floating point Z values to 32-bit uint */
-
- /* frag_depth *= spu.fb.zscale */
- frag_depth = si_fm(frag_depth, (qword)spu_splats(spu.fb.zscale));
- /* frag_depth = uint(frag_depth) */
- frag_depth = si_cfltu(frag_depth, 0);
-
- result = (*spu.frag_test)(frag_mask, pixel_depth, pixel_stencil,
- frag_depth, frag_alpha, facing);
-
-
- /* This code (everthing after the call to frag_test) should
- * be generated on the PPU and upload to the SPU.
- */
- if (spu.read_depth || spu.read_stencil) {
- write_ds_quad(&spu.ztile, x, y, spu.fb.depth_format,
- result.depth, result.stencil);
- }
-
- return result.mask;
-}
-
-
/**
-/*
- * (C) Copyright IBM Corporation 2008
+/**************************************************************************
+ *
+ * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * on the rights to use, copy, modify, merge, publish, distribute, sub
- * license, and/or sell copies of the Software, and to permit persons to whom
- * the Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
- * AUTHORS, COPYRIGHT HOLDERS, AND/OR THEIR 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.
- */
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ **************************************************************************/
#ifndef SPU_PER_FRAGMENT_OP
#define SPU_PER_FRAGMENT_OP
-extern qword
-spu_do_depth_stencil(int x, int y, qword frag_mask, qword frag_depth,
- qword frag_alpha, qword facing);
extern void
spu_fallback_fragment_ops(uint x, uint y,
vector float fragAlpha,
vector unsigned int mask);
+
#endif /* SPU_PER_FRAGMENT_OP */
#include "spu_texture.h"
#include "spu_tile.h"
#include "spu_tri.h"
-#include "spu_per_fragment_op.h"
/** Masks are uint[4] vectors with each element being 0 or 0xffffffff */
}
-static INLINE mask_t
-do_depth_test(int x, int y, mask_t quadmask)
-{
- float4 zvals;
- mask_t mask;
-
- if (spu.fb.depth_format == PIPE_FORMAT_NONE)
- return quadmask;
-
- zvals.v = eval_z((float) x, (float) y);
-
- mask = (mask_t) spu_do_depth_stencil(x - setup.cliprect_minx,
- y - setup.cliprect_miny,
- (qword) quadmask,
- (qword) zvals.v,
- (qword) spu_splats((unsigned char) 0x0ffu),
- (qword) spu_splats((unsigned int) 0x01u));
-
- if (spu_extract(spu_orx(mask), 0))
- spu.cur_ztile_status = TILE_STATUS_DIRTY;
-
- return mask;
-}
-
-
/**
* Emit a quad (pass to next stage). No clipping is done.
* Note: about 1/5 to 1/7 of the time, mask is zero and this function
static INLINE void
emit_quad( int x, int y, mask_t mask )
{
-#if 0
- struct softpipe_context *sp = setup.softpipe;
- setup.quad.x0 = x;
- setup.quad.y0 = y;
- setup.quad.mask = mask;
- sp->quad.first->run(sp->quad.first, &setup.quad);
-#else
-
-#define NEW_FRAGMENT_FUNCTION 01
-#if !NEW_FRAGMENT_FUNCTION
- if (spu.read_depth) {
- mask = do_depth_test(x, y, mask);
- }
-#endif
-
/* If any bits in mask are set... */
if (spu_extract(spu_orx(mask), 0)) {
const int ix = x - setup.cliprect_minx;
}
-#if NEW_FRAGMENT_FUNCTION
{
/* Convert fragment data from AoS to SoA format.
* I.e. (RGBA,RGBA,RGBA,RGBA) -> (RRRR,GGGG,BBBB,AAAA)
soa_frag[2], soa_frag[3],
mask);
}
-#else
- /* Convert fragment data from AoS to SoA format.
- * I.e. (RGBA,RGBA,RGBA,RGBA) -> (RRRR,GGGG,BBBB,AAAA)
- */
- qword soa_frag[4];
- _transpose_matrix4x4((vec_float4 *) soa_frag, colors);
-
- /* Read the current framebuffer values.
- */
- const qword pix[4] = {
- (qword) spu_splats(spu.ctile.ui[iy+0][ix+0]),
- (qword) spu_splats(spu.ctile.ui[iy+0][ix+1]),
- (qword) spu_splats(spu.ctile.ui[iy+1][ix+0]),
- (qword) spu_splats(spu.ctile.ui[iy+1][ix+1]),
- };
-
- qword soa_pix[4];
-
- if (spu.read_fb) {
- /* Convert pixel data from AoS to SoA format.
- * I.e. (RGBA,RGBA,RGBA,RGBA) -> (RRRR,GGGG,BBBB,AAAA)
- */
- vec_float4 aos_pix[4] = {
- spu_unpack_A8R8G8B8(spu.ctile.ui[iy+0][ix+0]),
- spu_unpack_A8R8G8B8(spu.ctile.ui[iy+0][ix+1]),
- spu_unpack_A8R8G8B8(spu.ctile.ui[iy+1][ix+0]),
- spu_unpack_A8R8G8B8(spu.ctile.ui[iy+1][ix+1]),
- };
-
- _transpose_matrix4x4((vec_float4 *) soa_pix, aos_pix);
- }
-
-
- struct spu_blend_results result =
- (*spu.blend)(soa_frag[0], soa_frag[1], soa_frag[2], soa_frag[3],
- soa_pix[0], soa_pix[1], soa_pix[2], soa_pix[3],
- spu.const_blend_color[0], spu.const_blend_color[1],
- spu.const_blend_color[2], spu.const_blend_color[3]);
-
-
- /* Convert final pixel data from SoA to AoS format.
- * I.e. (RRRR,GGGG,BBBB,AAAA) -> (RGBA,RGBA,RGBA,RGBA)
- */
- result = (*spu.logicop)(pix[0], pix[1], pix[2], pix[3],
- result.r, result.g, result.b, result.a,
- (qword) mask);
-
- spu.ctile.ui[iy+0][ix+0] = spu_extract((vec_uint4) result.r, 0);
- spu.ctile.ui[iy+0][ix+1] = spu_extract((vec_uint4) result.g, 0);
- spu.ctile.ui[iy+1][ix+0] = spu_extract((vec_uint4) result.b, 0);
- spu.ctile.ui[iy+1][ix+1] = spu_extract((vec_uint4) result.a, 0);
-
-#endif /* NEW_FRAGMENT_FUNCTION */
}
-#endif
}
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