diff options
author | José Fonseca <jfonseca@vmware.com> | 2010-01-08 15:42:57 +0000 |
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committer | José Fonseca <jfonseca@vmware.com> | 2010-01-08 15:42:57 +0000 |
commit | 080c40ab32b2abd6d8381b4a0cc143d36a1652b2 (patch) | |
tree | e173767ebc5a82d81b9fc086449d915e29348976 /src/gallium/drivers/svga/svga_draw_arrays.c | |
parent | 9cdf6f025b2ed55cfb13dd09f870f01d0c7947d3 (diff) | |
parent | a1de400e8de06a80ab140bb0fa950e990607572d (diff) |
Merge remote branch 'origin/master' into lp-binning
Conflicts:
src/gallium/auxiliary/util/u_surface.c
src/gallium/drivers/llvmpipe/Makefile
src/gallium/drivers/llvmpipe/SConscript
src/gallium/drivers/llvmpipe/lp_bld_arit.c
src/gallium/drivers/llvmpipe/lp_bld_flow.c
src/gallium/drivers/llvmpipe/lp_bld_interp.c
src/gallium/drivers/llvmpipe/lp_clear.c
src/gallium/drivers/llvmpipe/lp_context.c
src/gallium/drivers/llvmpipe/lp_context.h
src/gallium/drivers/llvmpipe/lp_draw_arrays.c
src/gallium/drivers/llvmpipe/lp_jit.c
src/gallium/drivers/llvmpipe/lp_jit.h
src/gallium/drivers/llvmpipe/lp_prim_vbuf.c
src/gallium/drivers/llvmpipe/lp_setup.c
src/gallium/drivers/llvmpipe/lp_setup_point.c
src/gallium/drivers/llvmpipe/lp_state.h
src/gallium/drivers/llvmpipe/lp_state_blend.c
src/gallium/drivers/llvmpipe/lp_state_derived.c
src/gallium/drivers/llvmpipe/lp_state_fs.c
src/gallium/drivers/llvmpipe/lp_state_sampler.c
src/gallium/drivers/llvmpipe/lp_state_surface.c
src/gallium/drivers/llvmpipe/lp_tex_cache.c
src/gallium/drivers/llvmpipe/lp_tex_cache.h
src/gallium/drivers/llvmpipe/lp_tex_sample.h
src/gallium/drivers/llvmpipe/lp_tile_cache.c
Diffstat (limited to 'src/gallium/drivers/svga/svga_draw_arrays.c')
-rw-r--r-- | src/gallium/drivers/svga/svga_draw_arrays.c | 297 |
1 files changed, 297 insertions, 0 deletions
diff --git a/src/gallium/drivers/svga/svga_draw_arrays.c b/src/gallium/drivers/svga/svga_draw_arrays.c new file mode 100644 index 0000000000..75492dffca --- /dev/null +++ b/src/gallium/drivers/svga/svga_draw_arrays.c @@ -0,0 +1,297 @@ +/********************************************************** + * Copyright 2008-2009 VMware, Inc. All rights reserved. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, 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 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 + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * 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. + * + **********************************************************/ + +#include "svga_cmd.h" + +#include "pipe/p_inlines.h" +#include "util/u_prim.h" +#include "indices/u_indices.h" + +#include "svga_hw_reg.h" +#include "svga_draw.h" +#include "svga_draw_private.h" +#include "svga_context.h" + + +#define DBG 0 + + + + +static enum pipe_error generate_indices( struct svga_hwtnl *hwtnl, + unsigned nr, + unsigned index_size, + u_generate_func generate, + struct pipe_buffer **out_buf ) +{ + struct pipe_screen *screen = hwtnl->svga->pipe.screen; + unsigned size = index_size * nr; + struct pipe_buffer *dst = NULL; + void *dst_map = NULL; + + dst = screen->buffer_create( screen, 32, + PIPE_BUFFER_USAGE_INDEX | + PIPE_BUFFER_USAGE_CPU_WRITE | + PIPE_BUFFER_USAGE_GPU_READ, + size ); + if (dst == NULL) + goto fail; + + dst_map = pipe_buffer_map( screen, dst, PIPE_BUFFER_USAGE_CPU_WRITE ); + if (dst_map == NULL) + goto fail; + + generate( nr, + dst_map ); + + pipe_buffer_unmap( screen, dst ); + + *out_buf = dst; + return PIPE_OK; + +fail: + if (dst_map) + screen->buffer_unmap( screen, dst ); + + if (dst) + screen->buffer_destroy( dst ); + + return PIPE_ERROR_OUT_OF_MEMORY; +} + +static boolean compare( unsigned cached_nr, + unsigned nr, + unsigned type ) +{ + if (type == U_GENERATE_REUSABLE) + return cached_nr >= nr; + else + return cached_nr == nr; +} + +static enum pipe_error retrieve_or_generate_indices( struct svga_hwtnl *hwtnl, + unsigned prim, + unsigned gen_type, + unsigned gen_nr, + unsigned gen_size, + u_generate_func generate, + struct pipe_buffer **out_buf ) +{ + enum pipe_error ret = PIPE_OK; + int i; + + for (i = 0; i < IDX_CACHE_MAX; i++) { + if (hwtnl->index_cache[prim][i].buffer != NULL && + hwtnl->index_cache[prim][i].generate == generate) + { + if (compare(hwtnl->index_cache[prim][i].gen_nr, gen_nr, gen_type)) + { + pipe_buffer_reference( out_buf, + hwtnl->index_cache[prim][i].buffer ); + + if (DBG) + debug_printf("%s retrieve %d/%d\n", __FUNCTION__, i, gen_nr); + + return PIPE_OK; + } + else if (gen_type == U_GENERATE_REUSABLE) + { + pipe_buffer_reference( &hwtnl->index_cache[prim][i].buffer, + NULL ); + + if (DBG) + debug_printf("%s discard %d/%d\n", __FUNCTION__, + i, hwtnl->index_cache[prim][i].gen_nr); + + break; + } + } + } + + if (i == IDX_CACHE_MAX) + { + unsigned smallest = 0; + unsigned smallest_size = ~0; + + for (i = 0; i < IDX_CACHE_MAX && smallest_size; i++) { + if (hwtnl->index_cache[prim][i].buffer == NULL) + { + smallest = i; + smallest_size = 0; + } + else if (hwtnl->index_cache[prim][i].gen_nr < smallest) + { + smallest = i; + smallest_size = hwtnl->index_cache[prim][i].gen_nr; + } + } + + assert (smallest != IDX_CACHE_MAX); + + pipe_buffer_reference( &hwtnl->index_cache[prim][smallest].buffer, + NULL ); + + if (DBG) + debug_printf("%s discard smallest %d/%d\n", __FUNCTION__, + smallest, smallest_size); + + i = smallest; + } + + + ret = generate_indices( hwtnl, + gen_nr, + gen_size, + generate, + out_buf ); + if (ret != PIPE_OK) + return ret; + + + hwtnl->index_cache[prim][i].generate = generate; + hwtnl->index_cache[prim][i].gen_nr = gen_nr; + pipe_buffer_reference( &hwtnl->index_cache[prim][i].buffer, + *out_buf ); + + if (DBG) + debug_printf("%s cache %d/%d\n", __FUNCTION__, + i, hwtnl->index_cache[prim][i].gen_nr); + + return PIPE_OK; +} + + + +static enum pipe_error +simple_draw_arrays( struct svga_hwtnl *hwtnl, + unsigned prim, unsigned start, unsigned count ) +{ + SVGA3dPrimitiveRange range; + unsigned hw_prim; + unsigned hw_count; + + hw_prim = svga_translate_prim(prim, count, &hw_count); + if (hw_count == 0) + return PIPE_ERROR_BAD_INPUT; + + range.primType = hw_prim; + range.primitiveCount = hw_count; + range.indexArray.surfaceId = SVGA3D_INVALID_ID; + range.indexArray.offset = 0; + range.indexArray.stride = 0; + range.indexWidth = 0; + range.indexBias = start; + + /* Min/max index should be calculated prior to applying bias, so we + * end up with min_index = 0, max_index = count - 1 and everybody + * looking at those numbers knows to adjust them by + * range.indexBias. + */ + return svga_hwtnl_prim( hwtnl, &range, 0, count - 1, NULL ); +} + + + + + + + + + + +enum pipe_error +svga_hwtnl_draw_arrays( struct svga_hwtnl *hwtnl, + unsigned prim, + unsigned start, + unsigned count) +{ + unsigned gen_prim, gen_size, gen_nr, gen_type; + u_generate_func gen_func; + enum pipe_error ret = PIPE_OK; + + if (hwtnl->api_fillmode != PIPE_POLYGON_MODE_FILL && + prim >= PIPE_PRIM_TRIANGLES) + { + gen_type = u_unfilled_generator( prim, + start, + count, + hwtnl->api_fillmode, + &gen_prim, + &gen_size, + &gen_nr, + &gen_func ); + } + else { + gen_type = u_index_generator( svga_hw_prims, + prim, + start, + count, + hwtnl->api_pv, + hwtnl->hw_pv, + &gen_prim, + &gen_size, + &gen_nr, + &gen_func ); + } + + if (gen_type == U_GENERATE_LINEAR) { + return simple_draw_arrays( hwtnl, gen_prim, start, count ); + } + else { + struct pipe_buffer *gen_buf = NULL; + + /* Need to draw as indexed primitive. + * Potentially need to run the gen func to build an index buffer. + */ + ret = retrieve_or_generate_indices( hwtnl, + prim, + gen_type, + gen_nr, + gen_size, + gen_func, + &gen_buf ); + if (ret) + goto done; + + ret = svga_hwtnl_simple_draw_range_elements( hwtnl, + gen_buf, + gen_size, + 0, + count - 1, + gen_prim, + 0, + gen_nr, + start ); + if (ret) + goto done; + + done: + if (gen_buf) + pipe_buffer_reference( &gen_buf, NULL ); + + return ret; + } +} + |