diff options
| -rw-r--r-- | src/gallium/drivers/llvmpipe/Makefile | 5 | ||||
| -rw-r--r-- | src/gallium/drivers/llvmpipe/lp_context.c | 12 | ||||
| -rw-r--r-- | src/gallium/drivers/llvmpipe/lp_context.h | 6 | ||||
| -rw-r--r-- | src/gallium/drivers/llvmpipe/lp_quad_alpha_test.c | 112 | ||||
| -rw-r--r-- | src/gallium/drivers/llvmpipe/lp_quad_coverage.c | 101 | ||||
| -rw-r--r-- | src/gallium/drivers/llvmpipe/lp_quad_depth_test.c | 659 | ||||
| -rw-r--r-- | src/gallium/drivers/llvmpipe/lp_quad_earlyz.c | 94 | ||||
| -rw-r--r-- | src/gallium/drivers/llvmpipe/lp_quad_fs.c | 46 | ||||
| -rw-r--r-- | src/gallium/drivers/llvmpipe/lp_quad_occlusion.c | 87 | ||||
| -rw-r--r-- | src/gallium/drivers/llvmpipe/lp_quad_pipe.c | 46 | ||||
| -rw-r--r-- | src/gallium/drivers/llvmpipe/lp_quad_pipe.h | 2 | ||||
| -rw-r--r-- | src/gallium/drivers/llvmpipe/lp_quad_stencil.c | 363 | ||||
| -rw-r--r-- | src/gallium/drivers/llvmpipe/lp_state_derived.c | 4 |
13 files changed, 580 insertions, 957 deletions
diff --git a/src/gallium/drivers/llvmpipe/Makefile b/src/gallium/drivers/llvmpipe/Makefile index 64541ec655..20a8c44a24 100644 --- a/src/gallium/drivers/llvmpipe/Makefile +++ b/src/gallium/drivers/llvmpipe/Makefile @@ -19,13 +19,8 @@ C_SOURCES = \ lp_prim_vbuf.c \ lp_quad_pipe.c \ lp_quad_stipple.c \ - lp_quad_earlyz.c \ lp_quad_depth_test.c \ - lp_quad_stencil.c \ lp_quad_fs.c \ - lp_quad_alpha_test.c \ - lp_quad_occlusion.c \ - lp_quad_coverage.c \ lp_quad_blend.c \ lp_screen.c \ lp_setup.c \ diff --git a/src/gallium/drivers/llvmpipe/lp_context.c b/src/gallium/drivers/llvmpipe/lp_context.c index 4bb63adfec..7f2c2b6acd 100644 --- a/src/gallium/drivers/llvmpipe/lp_context.c +++ b/src/gallium/drivers/llvmpipe/lp_context.c @@ -88,14 +88,8 @@ static void llvmpipe_destroy( struct pipe_context *pipe ) if (llvmpipe->draw) draw_destroy( llvmpipe->draw ); - llvmpipe->quad.polygon_stipple->destroy( llvmpipe->quad.polygon_stipple ); - llvmpipe->quad.earlyz->destroy( llvmpipe->quad.earlyz ); llvmpipe->quad.shade->destroy( llvmpipe->quad.shade ); - llvmpipe->quad.alpha_test->destroy( llvmpipe->quad.alpha_test ); llvmpipe->quad.depth_test->destroy( llvmpipe->quad.depth_test ); - llvmpipe->quad.stencil_test->destroy( llvmpipe->quad.stencil_test ); - llvmpipe->quad.occlusion->destroy( llvmpipe->quad.occlusion ); - llvmpipe->quad.coverage->destroy( llvmpipe->quad.coverage ); llvmpipe->quad.blend->destroy( llvmpipe->quad.blend ); for (i = 0; i < PIPE_MAX_COLOR_BUFS; i++) @@ -230,14 +224,8 @@ llvmpipe_create( struct pipe_screen *screen ) /* setup quad rendering stages */ - llvmpipe->quad.polygon_stipple = lp_quad_polygon_stipple_stage(llvmpipe); - llvmpipe->quad.earlyz = lp_quad_earlyz_stage(llvmpipe); llvmpipe->quad.shade = lp_quad_shade_stage(llvmpipe); - llvmpipe->quad.alpha_test = lp_quad_alpha_test_stage(llvmpipe); llvmpipe->quad.depth_test = lp_quad_depth_test_stage(llvmpipe); - llvmpipe->quad.stencil_test = lp_quad_stencil_test_stage(llvmpipe); - llvmpipe->quad.occlusion = lp_quad_occlusion_stage(llvmpipe); - llvmpipe->quad.coverage = lp_quad_coverage_stage(llvmpipe); llvmpipe->quad.blend = lp_quad_blend_stage(llvmpipe); /* vertex shader samplers */ diff --git a/src/gallium/drivers/llvmpipe/lp_context.h b/src/gallium/drivers/llvmpipe/lp_context.h index e341cd01af..036585808d 100644 --- a/src/gallium/drivers/llvmpipe/lp_context.h +++ b/src/gallium/drivers/llvmpipe/lp_context.h @@ -114,14 +114,8 @@ struct llvmpipe_context { /** Software quad rendering pipeline */ struct { - struct quad_stage *polygon_stipple; - struct quad_stage *earlyz; struct quad_stage *shade; - struct quad_stage *alpha_test; - struct quad_stage *stencil_test; struct quad_stage *depth_test; - struct quad_stage *occlusion; - struct quad_stage *coverage; struct quad_stage *blend; struct quad_stage *first; /**< points to one of the above stages */ diff --git a/src/gallium/drivers/llvmpipe/lp_quad_alpha_test.c b/src/gallium/drivers/llvmpipe/lp_quad_alpha_test.c deleted file mode 100644 index 947daf5695..0000000000 --- a/src/gallium/drivers/llvmpipe/lp_quad_alpha_test.c +++ /dev/null @@ -1,112 +0,0 @@ - -/** - * quad alpha test - */ - -#include "lp_context.h" -#include "lp_quad.h" -#include "lp_quad_pipe.h" -#include "pipe/p_defines.h" -#include "util/u_memory.h" - -#define ALPHATEST( FUNC, COMP ) \ - static void \ - alpha_test_quads_##FUNC( struct quad_stage *qs, \ - struct quad_header *quads[], \ - unsigned nr ) \ - { \ - const float ref = qs->llvmpipe->depth_stencil->alpha.ref_value; \ - const uint cbuf = 0; /* only output[0].alpha is tested */ \ - unsigned pass_nr = 0; \ - unsigned i; \ - \ - for (i = 0; i < nr; i++) { \ - const float *aaaa = quads[i]->output.color[cbuf][3]; \ - unsigned passMask = 0; \ - \ - if (aaaa[0] COMP ref) passMask |= (1 << 0); \ - if (aaaa[1] COMP ref) passMask |= (1 << 1); \ - if (aaaa[2] COMP ref) passMask |= (1 << 2); \ - if (aaaa[3] COMP ref) passMask |= (1 << 3); \ - \ - quads[i]->inout.mask &= passMask; \ - \ - if (quads[i]->inout.mask) \ - quads[pass_nr++] = quads[i]; \ - } \ - \ - if (pass_nr) \ - qs->next->run(qs->next, quads, pass_nr); \ - } - - -ALPHATEST( LESS, < ) -ALPHATEST( EQUAL, == ) -ALPHATEST( LEQUAL, <= ) -ALPHATEST( GREATER, > ) -ALPHATEST( NOTEQUAL, != ) -ALPHATEST( GEQUAL, >= ) - - -/* XXX: Incorporate into shader using KILP. - */ -static void -alpha_test_quad(struct quad_stage *qs, - struct quad_header *quads[], - unsigned nr) -{ - switch (qs->llvmpipe->depth_stencil->alpha.func) { - case PIPE_FUNC_LESS: - alpha_test_quads_LESS( qs, quads, nr ); - break; - case PIPE_FUNC_EQUAL: - alpha_test_quads_EQUAL( qs, quads, nr ); - break; - case PIPE_FUNC_LEQUAL: - alpha_test_quads_LEQUAL( qs, quads, nr ); - break; - case PIPE_FUNC_GREATER: - alpha_test_quads_GREATER( qs, quads, nr ); - break; - case PIPE_FUNC_NOTEQUAL: - alpha_test_quads_NOTEQUAL( qs, quads, nr ); - break; - case PIPE_FUNC_GEQUAL: - alpha_test_quads_GEQUAL( qs, quads, nr ); - break; - case PIPE_FUNC_ALWAYS: - assert(0); /* should be caught earlier */ - qs->next->run(qs->next, quads, nr); - break; - case PIPE_FUNC_NEVER: - default: - assert(0); /* should be caught earlier */ - return; - } -} - - -static void alpha_test_begin(struct quad_stage *qs) -{ - qs->next->begin(qs->next); -} - - -static void alpha_test_destroy(struct quad_stage *qs) -{ - FREE( qs ); -} - - -struct quad_stage * -lp_quad_alpha_test_stage( struct llvmpipe_context *llvmpipe ) -{ - struct quad_stage *stage = CALLOC_STRUCT(quad_stage); - - stage->llvmpipe = llvmpipe; - stage->begin = alpha_test_begin; - stage->run = alpha_test_quad; - stage->destroy = alpha_test_destroy; - - return stage; -} diff --git a/src/gallium/drivers/llvmpipe/lp_quad_coverage.c b/src/gallium/drivers/llvmpipe/lp_quad_coverage.c deleted file mode 100644 index 9bc31dfe9d..0000000000 --- a/src/gallium/drivers/llvmpipe/lp_quad_coverage.c +++ /dev/null @@ -1,101 +0,0 @@ -/************************************************************************** - * - * Copyright 2007 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 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. - * - **************************************************************************/ - - -/** - * \brief Apply AA coverage to quad alpha valus - * \author Brian Paul - */ - - -#include "pipe/p_defines.h" -#include "util/u_memory.h" -#include "lp_context.h" -#include "lp_quad.h" -#include "lp_quad_pipe.h" - - -/** - * Multiply quad's alpha values by the fragment coverage. - */ -static INLINE void -coverage_quad(struct quad_stage *qs, struct quad_header *quad) -{ - struct llvmpipe_context *llvmpipe = qs->llvmpipe; - uint cbuf; - - /* loop over colorbuffer outputs */ - for (cbuf = 0; cbuf < llvmpipe->framebuffer.nr_cbufs; cbuf++) { - float (*quadColor)[4] = quad->output.color[cbuf]; - unsigned j; - for (j = 0; j < QUAD_SIZE; j++) { - assert(quad->input.coverage[j] >= 0.0); - assert(quad->input.coverage[j] <= 1.0); - quadColor[3][j] *= quad->input.coverage[j]; - } - } -} - - -/* XXX: Incorporate into shader after alpha_test. - */ -static void -coverage_run(struct quad_stage *qs, - struct quad_header *quads[], - unsigned nr) -{ - unsigned i; - - for (i = 0; i < nr; i++) - coverage_quad( qs, quads[i] ); - - qs->next->run(qs->next, quads, nr); -} - -static void coverage_begin(struct quad_stage *qs) -{ - qs->next->begin(qs->next); -} - - -static void coverage_destroy(struct quad_stage *qs) -{ - FREE( qs ); -} - - -struct quad_stage *lp_quad_coverage_stage( struct llvmpipe_context *llvmpipe ) -{ - struct quad_stage *stage = CALLOC_STRUCT(quad_stage); - - stage->llvmpipe = llvmpipe; - stage->begin = coverage_begin; - stage->run = coverage_run; - stage->destroy = coverage_destroy; - - return stage; -} diff --git a/src/gallium/drivers/llvmpipe/lp_quad_depth_test.c b/src/gallium/drivers/llvmpipe/lp_quad_depth_test.c index 8ecd68393f..a550299394 100644 --- a/src/gallium/drivers/llvmpipe/lp_quad_depth_test.c +++ b/src/gallium/drivers/llvmpipe/lp_quad_depth_test.c @@ -31,61 +31,109 @@ #include "pipe/p_defines.h" #include "util/u_memory.h" +#include "tgsi/tgsi_scan.h" #include "lp_context.h" #include "lp_quad.h" #include "lp_surface.h" #include "lp_quad_pipe.h" #include "lp_tile_cache.h" +#include "lp_state.h" /* for lp_fragment_shader */ -/** - * Do depth testing for a quad. - * Not static since it's used by the stencil code. - */ +struct depth_data { + struct pipe_surface *ps; + enum pipe_format format; + unsigned bzzzz[QUAD_SIZE]; /**< Z values fetched from depth buffer */ + unsigned qzzzz[QUAD_SIZE]; /**< Z values from the quad */ + ubyte stencilVals[QUAD_SIZE]; + struct llvmpipe_cached_tile *tile; +}; -/* - * To increase efficiency, we should probably have multiple versions - * of this function that are specifically for Z16, Z32 and FP Z buffers. - * Try to effectively do that with codegen... - */ -boolean -lp_depth_test_quad(struct quad_stage *qs, struct quad_header *quad) + +static void +get_depth_stencil_values( struct depth_data *data, + const struct quad_header *quad ) { - struct llvmpipe_context *llvmpipe = qs->llvmpipe; - struct pipe_surface *ps = llvmpipe->framebuffer.zsbuf; - const enum pipe_format format = ps->format; - unsigned bzzzz[QUAD_SIZE]; /**< Z values fetched from depth buffer */ - unsigned qzzzz[QUAD_SIZE]; /**< Z values from the quad */ - unsigned zmask = 0; unsigned j; - struct llvmpipe_cached_tile *tile - = lp_get_cached_tile(llvmpipe->zsbuf_cache, quad->input.x0, quad->input.y0); + const struct llvmpipe_cached_tile *tile = data->tile; + + switch (data->format) { + case PIPE_FORMAT_Z16_UNORM: + for (j = 0; j < QUAD_SIZE; j++) { + int x = quad->input.x0 % TILE_SIZE + (j & 1); + int y = quad->input.y0 % TILE_SIZE + (j >> 1); + data->bzzzz[j] = tile->data.depth16[y][x]; + } + break; + case PIPE_FORMAT_Z32_UNORM: + for (j = 0; j < QUAD_SIZE; j++) { + int x = quad->input.x0 % TILE_SIZE + (j & 1); + int y = quad->input.y0 % TILE_SIZE + (j >> 1); + data->bzzzz[j] = tile->data.depth32[y][x]; + } + break; + case PIPE_FORMAT_X8Z24_UNORM: + case PIPE_FORMAT_S8Z24_UNORM: + for (j = 0; j < QUAD_SIZE; j++) { + int x = quad->input.x0 % TILE_SIZE + (j & 1); + int y = quad->input.y0 % TILE_SIZE + (j >> 1); + data->bzzzz[j] = tile->data.depth32[y][x] & 0xffffff; + data->stencilVals[j] = tile->data.depth32[y][x] >> 24; + } + break; + case PIPE_FORMAT_Z24X8_UNORM: + case PIPE_FORMAT_Z24S8_UNORM: + for (j = 0; j < QUAD_SIZE; j++) { + int x = quad->input.x0 % TILE_SIZE + (j & 1); + int y = quad->input.y0 % TILE_SIZE + (j >> 1); + data->bzzzz[j] = tile->data.depth32[y][x] >> 8; + data->stencilVals[j] = tile->data.depth32[y][x] & 0xff; + } + break; + default: + assert(0); + } +} - assert(ps); /* shouldn't get here if there's no zbuffer */ +/* If the shader has not been run, interpolate the depth values + * ourselves. + */ +static void +interpolate_quad_depth( struct quad_header *quad ) +{ + const float fx = (float) quad->input.x0; + const float fy = (float) quad->input.y0; + const float dzdx = quad->posCoef->dadx[2]; + const float dzdy = quad->posCoef->dady[2]; + const float z0 = quad->posCoef->a0[2] + dzdx * fx + dzdy * fy; + + quad->output.depth[0] = z0; + quad->output.depth[1] = z0 + dzdx; + quad->output.depth[2] = z0 + dzdy; + quad->output.depth[3] = z0 + dzdx + dzdy; +} - /* - * Convert quad's float depth values to int depth values (qzzzz). + +static void +convert_quad_depth( struct depth_data *data, + const struct quad_header *quad ) +{ + unsigned j; + + /* Convert quad's float depth values to int depth values (qzzzz). * If the Z buffer stores integer values, we _have_ to do the depth * compares with integers (not floats). Otherwise, the float->int->float * conversion of Z values (which isn't an identity function) will cause * Z-fighting errors. - * - * Also, get the zbuffer values (bzzzz) from the cached tile. */ - switch (format) { + switch (data->format) { case PIPE_FORMAT_Z16_UNORM: { float scale = 65535.0; for (j = 0; j < QUAD_SIZE; j++) { - qzzzz[j] = (unsigned) (quad->output.depth[j] * scale); - } - - for (j = 0; j < QUAD_SIZE; j++) { - int x = quad->input.x0 % TILE_SIZE + (j & 1); - int y = quad->input.y0 % TILE_SIZE + (j >> 1); - bzzzz[j] = tile->data.depth16[y][x]; + data->qzzzz[j] = (unsigned) (quad->output.depth[j] * scale); } } break; @@ -94,47 +142,247 @@ lp_depth_test_quad(struct quad_stage *qs, struct quad_header *quad) double scale = (double) (uint) ~0UL; for (j = 0; j < QUAD_SIZE; j++) { - qzzzz[j] = (unsigned) (quad->output.depth[j] * scale); - } - - for (j = 0; j < QUAD_SIZE; j++) { - int x = quad->input.x0 % TILE_SIZE + (j & 1); - int y = quad->input.y0 % TILE_SIZE + (j >> 1); - bzzzz[j] = tile->data.depth32[y][x]; + data->qzzzz[j] = (unsigned) (quad->output.depth[j] * scale); } } break; case PIPE_FORMAT_X8Z24_UNORM: - /* fall-through */ case PIPE_FORMAT_S8Z24_UNORM: { float scale = (float) ((1 << 24) - 1); for (j = 0; j < QUAD_SIZE; j++) { - qzzzz[j] = (unsigned) (quad->output.depth[j] * scale); - } - - for (j = 0; j < QUAD_SIZE; j++) { - int x = quad->input.x0 % TILE_SIZE + (j & 1); - int y = quad->input.y0 % TILE_SIZE + (j >> 1); - bzzzz[j] = tile->data.depth32[y][x] & 0xffffff; + data->qzzzz[j] = (unsigned) (quad->output.depth[j] * scale); } } break; case PIPE_FORMAT_Z24X8_UNORM: - /* fall-through */ case PIPE_FORMAT_Z24S8_UNORM: { float scale = (float) ((1 << 24) - 1); for (j = 0; j < QUAD_SIZE; j++) { - qzzzz[j] = (unsigned) (quad->output.depth[j] * scale); + data->qzzzz[j] = (unsigned) (quad->output.depth[j] * scale); } + } + break; + default: + assert(0); + } +} - for (j = 0; j < QUAD_SIZE; j++) { - int x = quad->input.x0 % TILE_SIZE + (j & 1); - int y = quad->input.y0 % TILE_SIZE + (j >> 1); - bzzzz[j] = tile->data.depth32[y][x] >> 8; + + +static void +write_depth_stencil_values( struct depth_data *data, + struct quad_header *quad ) +{ + struct llvmpipe_cached_tile *tile = data->tile; + unsigned j; + + /* put updated Z values back into cached tile */ + switch (data->format) { + case PIPE_FORMAT_Z16_UNORM: + for (j = 0; j < QUAD_SIZE; j++) { + int x = quad->input.x0 % TILE_SIZE + (j & 1); + int y = quad->input.y0 % TILE_SIZE + (j >> 1); + tile->data.depth16[y][x] = (ushort) data->bzzzz[j]; + } + break; + case PIPE_FORMAT_X8Z24_UNORM: + case PIPE_FORMAT_Z32_UNORM: + for (j = 0; j < QUAD_SIZE; j++) { + int x = quad->input.x0 % TILE_SIZE + (j & 1); + int y = quad->input.y0 % TILE_SIZE + (j >> 1); + tile->data.depth32[y][x] = data->bzzzz[j]; + } + break; + case PIPE_FORMAT_S8Z24_UNORM: + for (j = 0; j < QUAD_SIZE; j++) { + int x = quad->input.x0 % TILE_SIZE + (j & 1); + int y = quad->input.y0 % TILE_SIZE + (j >> 1); + tile->data.depth32[y][x] = (data->stencilVals[j] << 24) | data->bzzzz[j]; + } + break; + case PIPE_FORMAT_Z24S8_UNORM: + for (j = 0; j < QUAD_SIZE; j++) { + int x = quad->input.x0 % TILE_SIZE + (j & 1); + int y = quad->input.y0 % TILE_SIZE + (j >> 1); + tile->data.depth32[y][x] = (data->bzzzz[j] << 8) | data->stencilVals[j]; + } + break; + case PIPE_FORMAT_Z24X8_UNORM: + for (j = 0; j < QUAD_SIZE; j++) { + int x = quad->input.x0 % TILE_SIZE + (j & 1); + int y = quad->input.y0 % TILE_SIZE + (j >> 1); + tile->data.depth32[y][x] = data->bzzzz[j] << 8; + } + break; + default: + assert(0); + } +} + + + + +/** Only 8-bit stencil supported */ +#define STENCIL_MAX 0xff + + +/** + * Do the basic stencil test (compare stencil buffer values against the + * reference value. + * + * \param data->stencilVals the stencil values from the stencil buffer + * \param func the stencil func (PIPE_FUNC_x) + * \param ref the stencil reference value + * \param valMask the stencil value mask indicating which bits of the stencil + * values and ref value are to be used. + * \return mask indicating which pixels passed the stencil test + */ +static unsigned +do_stencil_test(struct depth_data *data, + unsigned func, + unsigned ref, unsigned valMask) +{ + unsigned passMask = 0x0; + unsigned j; + + ref &= valMask; + + switch (func) { + case PIPE_FUNC_NEVER: + /* passMask = 0x0 */ + break; + case PIPE_FUNC_LESS: + for (j = 0; j < QUAD_SIZE; j++) { + if (ref < (data->stencilVals[j] & valMask)) { + passMask |= (1 << j); + } + } + break; + case PIPE_FUNC_EQUAL: + for (j = 0; j < QUAD_SIZE; j++) { + if (ref == (data->stencilVals[j] & valMask)) { + passMask |= (1 << j); + } + } + break; + case PIPE_FUNC_LEQUAL: + for (j = 0; j < QUAD_SIZE; j++) { + if (ref <= (data->stencilVals[j] & valMask)) { + passMask |= (1 << j); + } + } + break; + case PIPE_FUNC_GREATER: + for (j = 0; j < QUAD_SIZE; j++) { + if (ref > (data->stencilVals[j] & valMask)) { + passMask |= (1 << j); + } + } + break; + case PIPE_FUNC_NOTEQUAL: + for (j = 0; j < QUAD_SIZE; j++) { + if (ref != (data->stencilVals[j] & valMask)) { + passMask |= (1 << j); + } + } + break; + case PIPE_FUNC_GEQUAL: + for (j = 0; j < QUAD_SIZE; j++) { + if (ref >= (data->stencilVals[j] & valMask)) { + passMask |= (1 << j); + } + } + break; + case PIPE_FUNC_ALWAYS: + passMask = MASK_ALL; + break; + default: + assert(0); + } + + return passMask; +} + + +/** + * Apply the stencil operator to stencil values. + * + * \param data->stencilVals the stencil buffer values (read and written) + * \param mask indicates which pixels to update + * \param op the stencil operator (PIPE_STENCIL_OP_x) + * \param ref the stencil reference value + * \param wrtMask writemask controlling which bits are changed in the + * stencil values + */ +static void +apply_stencil_op(struct depth_data *data, + unsigned mask, unsigned op, ubyte ref, ubyte wrtMask) +{ + unsigned j; + ubyte newstencil[QUAD_SIZE]; + + for (j = 0; j < QUAD_SIZE; j++) { + newstencil[j] = data->stencilVals[j]; + } + + switch (op) { + case PIPE_STENCIL_OP_KEEP: + /* no-op */ + break; + case PIPE_STENCIL_OP_ZERO: + for (j = 0; j < QUAD_SIZE; j++) { + if (mask & (1 << j)) { + newstencil[j] = 0; + } + } + break; + case PIPE_STENCIL_OP_REPLACE: + for (j = 0; j < QUAD_SIZE; j++) { + if (mask & (1 << j)) { + newstencil[j] = ref; + } + } + break; + case PIPE_STENCIL_OP_INCR: + for (j = 0; j < QUAD_SIZE; j++) { + if (mask & (1 << j)) { + if (data->stencilVals[j] < STENCIL_MAX) { + newstencil[j] = data->stencilVals[j] + 1; + } + } + } + break; + case PIPE_STENCIL_OP_DECR: + for (j = 0; j < QUAD_SIZE; j++) { + if (mask & (1 << j)) { + if (data->stencilVals[j] > 0) { + newstencil[j] = data->stencilVals[j] - 1; + } + } + } + break; + case PIPE_STENCIL_OP_INCR_WRAP: + for (j = 0; j < QUAD_SIZE; j++) { + if (mask & (1 << j)) { + newstencil[j] = data->stencilVals[j] + 1; + } + } + break; + case PIPE_STENCIL_OP_DECR_WRAP: + for (j = 0; j < QUAD_SIZE; j++) { + if (mask & (1 << j)) { + newstencil[j] = data->stencilVals[j] - 1; + } + } + break; + case PIPE_STENCIL_OP_INVERT: + for (j = 0; j < QUAD_SIZE; j++) { + if (mask & (1 << j)) { + newstencil[j] = ~data->stencilVals[j]; } } break; @@ -142,6 +390,39 @@ lp_depth_test_quad(struct quad_stage *qs, struct quad_header *quad) assert(0); } + /* + * update the stencil values + */ + if (wrtMask != STENCIL_MAX) { + /* apply bit-wise stencil buffer writemask */ + for (j = 0; j < QUAD_SIZE; j++) { + data->stencilVals[j] = (wrtMask & newstencil[j]) | (~wrtMask & data->stencilVals[j]); + } + } + else { + for (j = 0; j < QUAD_SIZE; j++) { + data->stencilVals[j] = newstencil[j]; + } + } +} + + + +/* + * To increase efficiency, we should probably have multiple versions + * of this function that are specifically for Z16, Z32 and FP Z buffers. + * Try to effectively do that with codegen... + */ + +static boolean +depth_test_quad(struct quad_stage *qs, + struct depth_data *data, + struct quad_header *quad) +{ + struct llvmpipe_context *llvmpipe = qs->llvmpipe; + unsigned zmask = 0; + unsigned j; + switch (llvmpipe->depth_stencil->depth.func) { case PIPE_FUNC_NEVER: /* zmask = 0 */ @@ -151,37 +432,37 @@ lp_depth_test_quad(struct quad_stage *qs, struct quad_header *quad) * Like this: quad->mask &= (quad->outputs.depth < zzzz); */ for (j = 0; j < QUAD_SIZE; j++) { - if (qzzzz[j] < bzzzz[j]) + if (data->qzzzz[j] < data->bzzzz[j]) zmask |= 1 << j; } break; case PIPE_FUNC_EQUAL: for (j = 0; j < QUAD_SIZE; j++) { - if (qzzzz[j] == bzzzz[j]) + if (data->qzzzz[j] == data->bzzzz[j]) zmask |= 1 << j; } break; case PIPE_FUNC_LEQUAL: for (j = 0; j < QUAD_SIZE; j++) { - if (qzzzz[j] <= bzzzz[j]) + if (data->qzzzz[j] <= data->bzzzz[j]) zmask |= (1 << j); } break; case PIPE_FUNC_GREATER: for (j = 0; j < QUAD_SIZE; j++) { - if (qzzzz[j] > bzzzz[j]) + if (data->qzzzz[j] > data->bzzzz[j]) zmask |= (1 << j); } break; case PIPE_FUNC_NOTEQUAL: for (j = 0; j < QUAD_SIZE; j++) { - if (qzzzz[j] != bzzzz[j]) + if (data->qzzzz[j] != data->bzzzz[j]) zmask |= (1 << j); } break; case PIPE_FUNC_GEQUAL: for (j = 0; j < QUAD_SIZE; j++) { - if (qzzzz[j] >= bzzzz[j]) + if (data->qzzzz[j] >= data->bzzzz[j]) zmask |= (1 << j); } break; @@ -196,83 +477,231 @@ lp_depth_test_quad(struct quad_stage *qs, struct quad_header *quad) if (quad->inout.mask == 0) return FALSE; + /* Update our internal copy only if writemask set. Even if + * depth.writemask is FALSE, may still need to write out buffer + * data due to stencil changes. + */ if (llvmpipe->depth_stencil->depth.writemask) { - - /* This is also efficient with sse / spe instructions: - */ for (j = 0; j < QUAD_SIZE; j++) { - if (quad->inout.mask & (1 << j)) { - bzzzz[j] = qzzzz[j]; - } + if (quad->inout.mask & (1 << j)) { + data->bzzzz[j] = data->qzzzz[j]; + } } + } - /* put updated Z values back into cached tile */ - switch (format) { - case PIPE_FORMAT_Z16_UNORM: - for (j = 0; j < QUAD_SIZE; j++) { - int x = quad->input.x0 % TILE_SIZE + (j & 1); - int y = quad->input.y0 % TILE_SIZE + (j >> 1); - tile->data.depth16[y][x] = (ushort) bzzzz[j]; - } - break; - case PIPE_FORMAT_X8Z24_UNORM: - /* fall-through */ - /* (yes, this falls through to a different case than above) */ - case PIPE_FORMAT_Z32_UNORM: - for (j = 0; j < QUAD_SIZE; j++) { - int x = quad->input.x0 % TILE_SIZE + (j & 1); - int y = quad->input.y0 % TILE_SIZE + (j >> 1); - tile->data.depth32[y][x] = bzzzz[j]; - } - break; - case PIPE_FORMAT_S8Z24_UNORM: - for (j = 0; j < QUAD_SIZE; j++) { - int x = quad->input.x0 % TILE_SIZE + (j & 1); - int y = quad->input.y0 % TILE_SIZE + (j >> 1); - uint s8z24 = tile->data.depth32[y][x]; - s8z24 = (s8z24 & 0xff000000) | bzzzz[j]; - tile->data.depth32[y][x] = s8z24; - } - break; - case PIPE_FORMAT_Z24S8_UNORM: - for (j = 0; j < QUAD_SIZE; j++) { - int x = quad->input.x0 % TILE_SIZE + (j & 1); - int y = quad->input.y0 % TILE_SIZE + (j >> 1); - uint z24s8 = tile->data.depth32[y][x]; - z24s8 = (z24s8 & 0xff) | (bzzzz[j] << 8); - tile->data.depth32[y][x] = z24s8; + return TRUE; +} + + + +/** + * Do stencil (and depth) testing. Stenciling depends on the outcome of + * depth testing. + */ +static boolean +depth_stencil_test_quad(struct quad_stage *qs, + struct depth_data *data, + struct quad_header *quad) +{ + struct llvmpipe_context *llvmpipe = qs->llvmpipe; + unsigned func, zFailOp, zPassOp, failOp; + ubyte ref, wrtMask, valMask; + uint face = quad->input.facing; + + if (!llvmpipe->depth_stencil->stencil[1].enabled) { + /* single-sided stencil test, use front (face=0) state */ + face = 0; + } + + /* choose front or back face function, operator, etc */ + /* XXX we could do these initializations once per primitive */ + func = llvmpipe->depth_stencil->stencil[face].func; + failOp = llvmpipe->depth_stencil->stencil[face].fail_op; + zFailOp = llvmpipe->depth_stencil->stencil[face].zfail_op; + zPassOp = llvmpipe->depth_stencil->stencil[face].zpass_op; + ref = llvmpipe->depth_stencil->stencil[face].ref_value; + wrtMask = llvmpipe->depth_stencil->stencil[face].writemask; + valMask = llvmpipe->depth_stencil->stencil[face].valuemask; + + + /* do the stencil test first */ + { + unsigned passMask, failMask; + passMask = do_stencil_test(data, func, ref, valMask); + failMask = quad->inout.mask & ~passMask; + quad->inout.mask &= passMask; + + if (failOp != PIPE_STENCIL_OP_KEEP) { + apply_stencil_op(data, failMask, failOp, ref, wrtMask); + } + } + + if (quad->inout.mask) { + /* now the pixels that passed the stencil test are depth tested */ + if (llvmpipe->depth_stencil->depth.enabled) { + const unsigned origMask = quad->inout.mask; + + depth_test_quad(qs, data, quad); /* quad->mask is updated */ + + /* update stencil buffer values according to z pass/fail result */ + if (zFailOp != PIPE_STENCIL_OP_KEEP) { + const unsigned failMask = origMask & ~quad->inout.mask; + apply_stencil_op(data, failMask, zFailOp, ref, wrtMask); } - break; - case PIPE_FORMAT_Z24X8_UNORM: - for (j = 0; j < QUAD_SIZE; j++) { - int x = quad->input.x0 % TILE_SIZE + (j & 1); - int y = quad->input.y0 % TILE_SIZE + (j >> 1); - tile->data.depth32[y][x] = bzzzz[j] << 8; + + if (zPassOp != PIPE_STENCIL_OP_KEEP) { + const unsigned passMask = origMask & quad->inout.mask; + apply_stencil_op(data, passMask, zPassOp, ref, wrtMask); } - break; - default: - assert(0); + } + else { + /* no depth test, apply Zpass operator to stencil buffer values */ + apply_stencil_op(data, quad->inout.mask, zPassOp, ref, wrtMask); } } - return TRUE; + return quad->inout.mask != 0; } +#define ALPHATEST( FUNC, COMP ) \ + static int \ + alpha_test_quads_##FUNC( struct quad_stage *qs, \ + struct quad_header *quads[], \ + unsigned nr ) \ + { \ + const float ref = qs->llvmpipe->depth_stencil->alpha.ref_value; \ + const uint cbuf = 0; /* only output[0].alpha is tested */ \ + unsigned pass_nr = 0; \ + unsigned i; \ + \ + for (i = 0; i < nr; i++) { \ + const float *aaaa = quads[i]->output.color[cbuf][3]; \ + unsigned passMask = 0; \ + \ + if (aaaa[0] COMP ref) passMask |= (1 << 0); \ + if (aaaa[1] COMP ref) passMask |= (1 << 1); \ + if (aaaa[2] COMP ref) passMask |= (1 << 2); \ + if (aaaa[3] COMP ref) passMask |= (1 << 3); \ + \ + quads[i]->inout.mask &= passMask; \ + \ + if (quads[i]->inout.mask) \ + quads[pass_nr++] = quads[i]; \ + } \ + \ + return pass_nr; \ + } + + +ALPHATEST( LESS, < ) +ALPHATEST( EQUAL, == ) +ALPHATEST( LEQUAL, <= ) +ALPHATEST( GREATER, > ) +ALPHATEST( NOTEQUAL, != ) +ALPHATEST( GEQUAL, >= ) + + +/* XXX: Incorporate into shader using KILP. + */ +static int +alpha_test_quads(struct quad_stage *qs, + struct quad_header *quads[], + unsigned nr) +{ + switch (qs->llvmpipe->depth_stencil->alpha.func) { + case PIPE_FUNC_LESS: + return alpha_test_quads_LESS( qs, quads, nr ); + case PIPE_FUNC_EQUAL: + return alpha_test_quads_EQUAL( qs, quads, nr ); + break; + case PIPE_FUNC_LEQUAL: + return alpha_test_quads_LEQUAL( qs, quads, nr ); + case PIPE_FUNC_GREATER: + return alpha_test_quads_GREATER( qs, quads, nr ); + case PIPE_FUNC_NOTEQUAL: + return alpha_test_quads_NOTEQUAL( qs, quads, nr ); + case PIPE_FUNC_GEQUAL: + return alpha_test_quads_GEQUAL( qs, quads, nr ); + case PIPE_FUNC_ALWAYS: + return nr; + case PIPE_FUNC_NEVER: + default: + return 0; + } +} + +static unsigned mask_count[0x8] = +{ + 0, /* 0x0 */ + 1, /* 0x1 */ + 1, /* 0x2 */ + 2, /* 0x3 */ + 1, /* 0x4 */ + 2, /* 0x5 */ + 2, /* 0x6 */ + 3, /* 0x7 */ +}; + + + static void depth_test_quads(struct quad_stage *qs, struct quad_header *quads[], unsigned nr) { unsigned i, pass = 0; + const struct lp_fragment_shader *fs = qs->llvmpipe->fs; + boolean interp_depth = !fs->info.writes_z; + struct depth_data data; - for (i = 0; i < nr; i++) { - if (lp_depth_test_quad(qs, quads[i])) + + if (qs->llvmpipe->depth_stencil->alpha.enabled) { + nr = alpha_test_quads(qs, quads, nr); + } + + if (qs->llvmpipe->framebuffer.zsbuf && + (qs->llvmpipe->depth_stencil->depth.enabled || + qs->llvmpipe->depth_stencil->stencil[0].enabled)) { + + data.ps = qs->llvmpipe->framebuffer.zsbuf; + data.format = data.ps->format; + data.tile = lp_get_cached_tile(qs->llvmpipe->zsbuf_cache, + quads[0]->input.x0, + quads[0]->input.y0); + + for (i = 0; i < nr; i++) { + get_depth_stencil_values(&data, quads[i]); + + if (qs->llvmpipe->depth_stencil->depth.enabled) { + if (interp_depth) + interpolate_quad_depth(quads[i]); + + convert_quad_depth(&data, quads[i]); + } + + if (qs->llvmpipe->depth_stencil->stencil[0].enabled) { + if (!depth_stencil_test_quad(qs, &data, quads[i])) + continue; + } + else { + if (!depth_test_quad(qs, &data, quads[i])) + continue; + } + + if (qs->llvmpipe->depth_stencil->stencil[0].enabled || + qs->llvmpipe->depth_stencil->depth.writemask) + write_depth_stencil_values(&data, quads[i]); + + qs->llvmpipe->occlusion_count += mask_count[quads[i]->inout.mask]; quads[pass++] = quads[i]; + } + + nr = pass; } - - if (pass) - qs->next->run(qs->next, quads, pass); + + if (nr) + qs->next->run(qs->next, quads, nr); } diff --git a/src/gallium/drivers/llvmpipe/lp_quad_earlyz.c b/src/gallium/drivers/llvmpipe/lp_quad_earlyz.c deleted file mode 100644 index 915d2d9f78..0000000000 --- a/src/gallium/drivers/llvmpipe/lp_quad_earlyz.c +++ /dev/null @@ -1,94 +0,0 @@ -/************************************************************************** - * - * Copyright 2007 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 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. - * - **************************************************************************/ - -/** - * \brief Quad early-z testing - */ - -#include "pipe/p_defines.h" -#include "util/u_memory.h" -#include "lp_quad.h" -#include "lp_quad_pipe.h" - - -/** - * All this stage does is compute the quad's Z values (which is normally - * done by the shading stage). - * The next stage will do the actual depth test. - */ -static void -earlyz_quad( - struct quad_stage *qs, - struct quad_header *quads[], - unsigned nr ) -{ - const float a0z = quads[0]->posCoef->a0[2]; - const float dzdx = quads[0]->posCoef->dadx[2]; - const float dzdy = quads[0]->posCoef->dady[2]; - unsigned i; - - for (i = 0; i < nr; i++) { - const float fx = (float) quads[i]->input.x0; - const float fy = (float) quads[i]->input.y0; - const float z0 = a0z + dzdx * fx + dzdy * fy; - - quads[i]->output.depth[0] = z0; - quads[i]->output.depth[1] = z0 + dzdx; - quads[i]->output.depth[2] = z0 + dzdy; - quads[i]->output.depth[3] = z0 + dzdx + dzdy; - } - - qs->next->run( qs->next, quads, nr ); -} - -static void -earlyz_begin( - struct quad_stage *qs ) -{ - qs->next->begin( qs->next ); -} - -static void -earlyz_destroy( - struct quad_stage *qs ) -{ - FREE( qs ); -} - -struct quad_stage * -lp_quad_earlyz_stage( - struct llvmpipe_context *llvmpipe ) -{ - struct quad_stage *stage = CALLOC_STRUCT( quad_stage ); - - stage->llvmpipe = llvmpipe; - stage->begin = earlyz_begin; - stage->run = earlyz_quad; - stage->destroy = earlyz_destroy; - - return stage; -} diff --git a/src/gallium/drivers/llvmpipe/lp_quad_fs.c b/src/gallium/drivers/llvmpipe/lp_quad_fs.c index 25518c09f4..1da50e493b 100644 --- a/src/gallium/drivers/llvmpipe/lp_quad_fs.c +++ b/src/gallium/drivers/llvmpipe/lp_quad_fs.c @@ -111,24 +111,31 @@ shade_quad(struct quad_stage *qs, struct quad_header *quad) } } - if (!z_written) { - /* compute Z values now, as in the quad earlyz stage */ - /* XXX we should really only do this if the earlyz stage is not used */ - const float fx = (float) quad->input.x0; - const float fy = (float) quad->input.y0; - const float dzdx = quad->posCoef->dadx[2]; - const float dzdy = quad->posCoef->dady[2]; - const float z0 = quad->posCoef->a0[2] + dzdx * fx + dzdy * fy; - - quad->output.depth[0] = z0; - quad->output.depth[1] = z0 + dzdx; - quad->output.depth[2] = z0 + dzdy; - quad->output.depth[3] = z0 + dzdx + dzdy; - } - return TRUE; } + + +static void +coverage_quad(struct quad_stage *qs, struct quad_header *quad) +{ + struct llvmpipe_context *llvmpipe = qs->llvmpipe; + uint cbuf; + + /* loop over colorbuffer outputs */ + for (cbuf = 0; cbuf < llvmpipe->framebuffer.nr_cbufs; cbuf++) { + float (*quadColor)[4] = quad->output.color[cbuf]; + unsigned j; + for (j = 0; j < QUAD_SIZE; j++) { + assert(quad->input.coverage[j] >= 0.0); + assert(quad->input.coverage[j] <= 1.0); + quadColor[3][j] *= quad->input.coverage[j]; + } + } +} + + + static void shade_quads(struct quad_stage *qs, struct quad_header *quads[], @@ -144,8 +151,13 @@ shade_quads(struct quad_stage *qs, machine->InterpCoefs = quads[0]->coef; for (i = 0; i < nr; i++) { - if (shade_quad(qs, quads[i])) - quads[pass++] = quads[i]; + if (!shade_quad(qs, quads[i])) + continue; + + if (/*do_coverage*/ 0) + coverage_quad( qs, quads[i] ); + + quads[pass++] = quads[i]; } if (pass) diff --git a/src/gallium/drivers/llvmpipe/lp_quad_occlusion.c b/src/gallium/drivers/llvmpipe/lp_quad_occlusion.c deleted file mode 100644 index c4d5b86d42..0000000000 --- a/src/gallium/drivers/llvmpipe/lp_quad_occlusion.c +++ /dev/null @@ -1,87 +0,0 @@ -/************************************************************************** - * - * Copyright 2007 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 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. - * - **************************************************************************/ - - -/** - * \brief Quad occlusion counter stage - * \author Brian Paul - */ - - -#include "pipe/p_defines.h" -#include "util/u_memory.h" -#include "lp_context.h" -#include "lp_quad.h" -#include "lp_surface.h" -#include "lp_quad_pipe.h" - -static unsigned count_bits( unsigned val ) -{ - unsigned i; - - for (i = 0; val ; val >>= 1) - i += (val & 1); - - return i; -} - -static void -occlusion_count_quads(struct quad_stage *qs, struct quad_header *quads[], unsigned nr) -{ - struct llvmpipe_context *llvmpipe = qs->llvmpipe; - unsigned i; - - for (i = 0; i < nr; i++) - llvmpipe->occlusion_count += count_bits(quads[i]->inout.mask); - - qs->next->run(qs->next, quads, nr); -} - - -static void occlusion_begin(struct quad_stage *qs) -{ - qs->next->begin(qs->next); -} - - -static void occlusion_destroy(struct quad_stage *qs) -{ - FREE( qs ); -} - - -struct quad_stage *lp_quad_occlusion_stage( struct llvmpipe_context *llvmpipe ) -{ - struct quad_stage *stage = CALLOC_STRUCT(quad_stage); - - stage->llvmpipe = llvmpipe; - stage->begin = occlusion_begin; - stage->run = occlusion_count_quads; - stage->destroy = occlusion_destroy; - - return stage; -} diff --git a/src/gallium/drivers/llvmpipe/lp_quad_pipe.c b/src/gallium/drivers/llvmpipe/lp_quad_pipe.c index e912f76b34..5371e1c577 100644 --- a/src/gallium/drivers/llvmpipe/lp_quad_pipe.c +++ b/src/gallium/drivers/llvmpipe/lp_quad_pipe.c @@ -38,18 +38,6 @@ lp_push_quad_first( struct llvmpipe_context *lp, lp->quad.first = quad; } -static void -lp_build_depth_stencil( struct llvmpipe_context *lp ) -{ - if (lp->depth_stencil->stencil[0].enabled || - lp->depth_stencil->stencil[1].enabled) { - lp_push_quad_first( lp, lp->quad.stencil_test ); - } - else if (lp->depth_stencil->depth.enabled && - lp->framebuffer.zsbuf) { - lp_push_quad_first( lp, lp->quad.depth_test ); - } -} void lp_build_quad_pipeline(struct llvmpipe_context *lp) @@ -61,37 +49,15 @@ lp_build_quad_pipeline(struct llvmpipe_context *lp) !lp->fs->info.uses_kill && !lp->fs->info.writes_z; - /* build up the pipeline in reverse order... */ - - /* Color combine - */ lp->quad.first = lp->quad.blend; - /* Shade/Depth/Stencil/Alpha - */ - if ((lp->rasterizer->poly_smooth && lp->reduced_prim == PIPE_PRIM_TRIANGLES) || - (lp->rasterizer->line_smooth && lp->reduced_prim == PIPE_PRIM_LINES) || - (lp->rasterizer->point_smooth && lp->reduced_prim == PIPE_PRIM_POINTS)) { - lp_push_quad_first( lp, lp->quad.coverage ); - } - - if (lp->active_query_count) { - lp_push_quad_first( lp, lp->quad.occlusion ); - } - - if (!early_depth_test) { - lp_build_depth_stencil( lp ); - } - - if (lp->depth_stencil->alpha.enabled) { - lp_push_quad_first( lp, lp->quad.alpha_test ); - } - - lp_push_quad_first( lp, lp->quad.shade ); - if (early_depth_test) { - lp_build_depth_stencil( lp ); - lp_push_quad_first( lp, lp->quad.earlyz ); + lp_push_quad_first( lp, lp->quad.shade ); + lp_push_quad_first( lp, lp->quad.depth_test ); + } + else { + lp_push_quad_first( lp, lp->quad.depth_test ); + lp_push_quad_first( lp, lp->quad.shade ); } } diff --git a/src/gallium/drivers/llvmpipe/lp_quad_pipe.h b/src/gallium/drivers/llvmpipe/lp_quad_pipe.h index 5c8c7b3a73..ee0dd65dd5 100644 --- a/src/gallium/drivers/llvmpipe/lp_quad_pipe.h +++ b/src/gallium/drivers/llvmpipe/lp_quad_pipe.h @@ -69,6 +69,4 @@ struct quad_stage *lp_quad_output_stage( struct llvmpipe_context *llvmpipe ); void lp_build_quad_pipeline(struct llvmpipe_context *lp); -boolean lp_depth_test_quad(struct quad_stage *qs, struct quad_header *quad); - #endif /* LP_QUAD_PIPE_H */ diff --git a/src/gallium/drivers/llvmpipe/lp_quad_stencil.c b/src/gallium/drivers/llvmpipe/lp_quad_stencil.c deleted file mode 100644 index 150d6d3998..0000000000 --- a/src/gallium/drivers/llvmpipe/lp_quad_stencil.c +++ /dev/null @@ -1,363 +0,0 @@ - -/** - * \brief Quad stencil testing - */ - - -#include "lp_context.h" -#include "lp_quad.h" -#include "lp_surface.h" -#include "lp_tile_cache.h" -#include "lp_quad_pipe.h" -#include "pipe/p_defines.h" -#include "util/u_memory.h" - - -/** Only 8-bit stencil supported */ -#define STENCIL_MAX 0xff - - -/** - * Do the basic stencil test (compare stencil buffer values against the - * reference value. - * - * \param stencilVals the stencil values from the stencil buffer - * \param func the stencil func (PIPE_FUNC_x) - * \param ref the stencil reference value - * \param valMask the stencil value mask indicating which bits of the stencil - * values and ref value are to be used. - * \return mask indicating which pixels passed the stencil test - */ -static unsigned -do_stencil_test(const ubyte stencilVals[QUAD_SIZE], unsigned func, - unsigned ref, unsigned valMask) -{ - unsigned passMask = 0x0; - unsigned j; - - ref &= valMask; - - switch (func) { - case PIPE_FUNC_NEVER: - /* passMask = 0x0 */ - break; - case PIPE_FUNC_LESS: - for (j = 0; j < QUAD_SIZE; j++) { - if (ref < (stencilVals[j] & valMask)) { - passMask |= (1 << j); - } - } - break; - case PIPE_FUNC_EQUAL: - for (j = 0; j < QUAD_SIZE; j++) { - if (ref == (stencilVals[j] & valMask)) { - passMask |= (1 << j); - } - } - break; - case PIPE_FUNC_LEQUAL: - for (j = 0; j < QUAD_SIZE; j++) { - if (ref <= (stencilVals[j] & valMask)) { - passMask |= (1 << j); - } - } - break; - case PIPE_FUNC_GREATER: - for (j = 0; j < QUAD_SIZE; j++) { - if (ref > (stencilVals[j] & valMask)) { - passMask |= (1 << j); - } - } - break; - case PIPE_FUNC_NOTEQUAL: - for (j = 0; j < QUAD_SIZE; j++) { - if (ref != (stencilVals[j] & valMask)) { - passMask |= (1 << j); - } - } - break; - case PIPE_FUNC_GEQUAL: - for (j = 0; j < QUAD_SIZE; j++) { - if (ref >= (stencilVals[j] & valMask)) { - passMask |= (1 << j); - } - } - break; - case PIPE_FUNC_ALWAYS: - passMask = MASK_ALL; - break; - default: - assert(0); - } - - return passMask; -} - - -/** - * Apply the stencil operator to stencil values. - * - * \param stencilVals the stencil buffer values (read and written) - * \param mask indicates which pixels to update - * \param op the stencil operator (PIPE_STENCIL_OP_x) - * \param ref the stencil reference value - * \param wrtMask writemask controlling which bits are changed in the - * stencil values - */ -static void -apply_stencil_op(ubyte stencilVals[QUAD_SIZE], - unsigned mask, unsigned op, ubyte ref, ubyte wrtMask) -{ - unsigned j; - ubyte newstencil[QUAD_SIZE]; - - for (j = 0; j < QUAD_SIZE; j++) { - newstencil[j] = stencilVals[j]; - } - - switch (op) { - case PIPE_STENCIL_OP_KEEP: - /* no-op */ - break; - case PIPE_STENCIL_OP_ZERO: - for (j = 0; j < QUAD_SIZE; j++) { - if (mask & (1 << j)) { - newstencil[j] = 0; - } - } - break; - case PIPE_STENCIL_OP_REPLACE: - for (j = 0; j < QUAD_SIZE; j++) { - if (mask & (1 << j)) { - newstencil[j] = ref; - } - } - break; - case PIPE_STENCIL_OP_INCR: - for (j = 0; j < QUAD_SIZE; j++) { - if (mask & (1 << j)) { - if (stencilVals[j] < STENCIL_MAX) { - newstencil[j] = stencilVals[j] + 1; - } - } - } - break; - case PIPE_STENCIL_OP_DECR: - for (j = 0; j < QUAD_SIZE; j++) { - if (mask & (1 << j)) { - if (stencilVals[j] > 0) { - newstencil[j] = stencilVals[j] - 1; - } - } - } - break; - case PIPE_STENCIL_OP_INCR_WRAP: - for (j = 0; j < QUAD_SIZE; j++) { - if (mask & (1 << j)) { - newstencil[j] = stencilVals[j] + 1; - } - } - break; - case PIPE_STENCIL_OP_DECR_WRAP: - for (j = 0; j < QUAD_SIZE; j++) { - if (mask & (1 << j)) { - newstencil[j] = stencilVals[j] - 1; - } - } - break; - case PIPE_STENCIL_OP_INVERT: - for (j = 0; j < QUAD_SIZE; j++) { - if (mask & (1 << j)) { - newstencil[j] = ~stencilVals[j]; - } - } - break; - default: - assert(0); - } - - /* - * update the stencil values - */ - if (wrtMask != STENCIL_MAX) { - /* apply bit-wise stencil buffer writemask */ - for (j = 0; j < QUAD_SIZE; j++) { - stencilVals[j] = (wrtMask & newstencil[j]) | (~wrtMask & stencilVals[j]); - } - } - else { - for (j = 0; j < QUAD_SIZE; j++) { - stencilVals[j] = newstencil[j]; - } - } -} - - -/** - * Do stencil (and depth) testing. Stenciling depends on the outcome of - * depth testing. - */ -static void -stencil_test_quad(struct quad_stage *qs, struct quad_header *quads[], - unsigned nr) -{ - struct llvmpipe_context *llvmpipe = qs->llvmpipe; - struct pipe_surface *ps = llvmpipe->framebuffer.zsbuf; - unsigned func, zFailOp, zPassOp, failOp; - ubyte ref, wrtMask, valMask; - ubyte stencilVals[QUAD_SIZE]; - struct llvmpipe_cached_tile *tile - = lp_get_cached_tile(llvmpipe->zsbuf_cache, - quads[0]->input.x0, - quads[0]->input.y0); - uint face = quads[0]->input.facing; - uint pass = 0; - uint j, q; - - if (!llvmpipe->depth_stencil->stencil[1].enabled) { - /* single-sided stencil test, use front (face=0) state */ - face = 0; - } - - /* choose front or back face function, operator, etc */ - /* XXX we could do these initializations once per primitive */ - func = llvmpipe->depth_stencil->stencil[face].func; - failOp = llvmpipe->depth_stencil->stencil[face].fail_op; - zFailOp = llvmpipe->depth_stencil->stencil[face].zfail_op; - zPassOp = llvmpipe->depth_stencil->stencil[face].zpass_op; - ref = llvmpipe->depth_stencil->stencil[face].ref_value; - wrtMask = llvmpipe->depth_stencil->stencil[face].writemask; - valMask = llvmpipe->depth_stencil->stencil[face].valuemask; - - assert(ps); /* shouldn't get here if there's no stencil buffer */ - - for (q = 0; q < nr; q++) { - struct quad_header *quad = quads[q]; - - /* get stencil values from cached tile */ - switch (ps->format) { - case PIPE_FORMAT_S8Z24_UNORM: - for (j = 0; j < QUAD_SIZE; j++) { - int x = quad->input.x0 % TILE_SIZE + (j & 1); - int y = quad->input.y0 % TILE_SIZE + (j >> 1); - stencilVals[j] = tile->data.depth32[y][x] >> 24; - } - break; - case PIPE_FORMAT_Z24S8_UNORM: - for (j = 0; j < QUAD_SIZE; j++) { - int x = quad->input.x0 % TILE_SIZE + (j & 1); - int y = quad->input.y0 % TILE_SIZE + (j >> 1); - stencilVals[j] = tile->data.depth32[y][x] & 0xff; - } - break; - case PIPE_FORMAT_S8_UNORM: - for (j = 0; j < QUAD_SIZE; j++) { - int x = quad->input.x0 % TILE_SIZE + (j & 1); - int y = quad->input.y0 % TILE_SIZE + (j >> 1); - stencilVals[j] = tile->data.stencil8[y][x]; - } - break; - default: - assert(0); - } - - /* do the stencil test first */ - { - unsigned passMask, failMask; - passMask = do_stencil_test(stencilVals, func, ref, valMask); - failMask = quad->inout.mask & ~passMask; - quad->inout.mask &= passMask; - - if (failOp != PIPE_STENCIL_OP_KEEP) { - apply_stencil_op(stencilVals, failMask, failOp, ref, wrtMask); - } - } - - if (quad->inout.mask) { - /* now the pixels that passed the stencil test are depth tested */ - if (llvmpipe->depth_stencil->depth.enabled) { - const unsigned origMask = quad->inout.mask; - - lp_depth_test_quad(qs, quad); /* quad->mask is updated */ - - /* update stencil buffer values according to z pass/fail result */ - if (zFailOp != PIPE_STENCIL_OP_KEEP) { - const unsigned failMask = origMask & ~quad->inout.mask; - apply_stencil_op(stencilVals, failMask, zFailOp, ref, wrtMask); - } - - if (zPassOp != PIPE_STENCIL_OP_KEEP) { - const unsigned passMask = origMask & quad->inout.mask; - apply_stencil_op(stencilVals, passMask, zPassOp, ref, wrtMask); - } - } - else { - /* no depth test, apply Zpass operator to stencil buffer values */ - apply_stencil_op(stencilVals, quad->inout.mask, zPassOp, ref, wrtMask); - } - - } - - /* put new stencil values into cached tile */ - switch (ps->format) { - case PIPE_FORMAT_S8Z24_UNORM: - for (j = 0; j < QUAD_SIZE; j++) { - int x = quad->input.x0 % TILE_SIZE + (j & 1); - int y = quad->input.y0 % TILE_SIZE + (j >> 1); - uint s8z24 = tile->data.depth32[y][x]; - s8z24 = (stencilVals[j] << 24) | (s8z24 & 0xffffff); - tile->data.depth32[y][x] = s8z24; - } - break; - case PIPE_FORMAT_Z24S8_UNORM: - for (j = 0; j < QUAD_SIZE; j++) { - int x = quad->input.x0 % TILE_SIZE + (j & 1); - int y = quad->input.y0 % TILE_SIZE + (j >> 1); - uint z24s8 = tile->data.depth32[y][x]; - z24s8 = (z24s8 & 0xffffff00) | stencilVals[j]; - tile->data.depth32[y][x] = z24s8; - } - break; - case PIPE_FORMAT_S8_UNORM: - for (j = 0; j < QUAD_SIZE; j++) { - int x = quad->input.x0 % TILE_SIZE + (j & 1); - int y = quad->input.y0 % TILE_SIZE + (j >> 1); - tile->data.stencil8[y][x] = stencilVals[j]; - } - break; - default: - assert(0); - } - - if (quad->inout.mask) - quads[pass++] = quad; - } - - if (pass) - qs->next->run(qs->next, quads, pass); -} - - -static void stencil_begin(struct quad_stage *qs) -{ - qs->next->begin(qs->next); -} - - -static void stencil_destroy(struct quad_stage *qs) -{ - FREE( qs ); -} - - -struct quad_stage *lp_quad_stencil_test_stage( struct llvmpipe_context *llvmpipe ) -{ - struct quad_stage *stage = CALLOC_STRUCT(quad_stage); - - stage->llvmpipe = llvmpipe; - stage->begin = stencil_begin; - stage->run = stencil_test_quad; - stage->destroy = stencil_destroy; - - return stage; -} diff --git a/src/gallium/drivers/llvmpipe/lp_state_derived.c b/src/gallium/drivers/llvmpipe/lp_state_derived.c index e2b6b8e602..a2bf27cc67 100644 --- a/src/gallium/drivers/llvmpipe/lp_state_derived.c +++ b/src/gallium/drivers/llvmpipe/lp_state_derived.c @@ -246,9 +246,7 @@ void llvmpipe_update_derived( struct llvmpipe_context *llvmpipe ) if (llvmpipe->dirty & (LP_NEW_BLEND | LP_NEW_DEPTH_STENCIL_ALPHA | LP_NEW_FRAMEBUFFER | - LP_NEW_RASTERIZER | - LP_NEW_FS | - LP_NEW_QUERY)) + LP_NEW_FS)) lp_build_quad_pipeline(llvmpipe); llvmpipe->dirty = 0; |