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/i965/brw_swtnl.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/i965/brw_swtnl.c')
-rw-r--r-- | src/gallium/drivers/i965/brw_swtnl.c | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/src/gallium/drivers/i965/brw_swtnl.c b/src/gallium/drivers/i965/brw_swtnl.c new file mode 100644 index 0000000000..464013e7c4 --- /dev/null +++ b/src/gallium/drivers/i965/brw_swtnl.c @@ -0,0 +1,95 @@ + +#include "brw_context.h" +#include "brw_pipe_rast.h" + + +static GLboolean need_swtnl( struct brw_context *brw ) +{ + const struct pipe_rasterizer_state *rast = &brw->curr.rast->templ; + + /* If we don't require strict OpenGL conformance, never + * use fallbacks. If we're forcing fallbacks, always + * use fallfacks. + */ + if (brw->flags.no_swtnl) + return FALSE; + + if (brw->flags.force_swtnl) + return TRUE; + + /* Exceeding hw limits on number of VS inputs? + */ + if (brw->curr.num_vertex_elements == 0 || + brw->curr.num_vertex_elements >= BRW_VEP_MAX) { + return TRUE; + } + + /* Position array with zero stride? + * + * XXX: position isn't always at zero... + * XXX: eliminate zero-stride arrays + */ + { + int ve0_vb = brw->curr.vertex_element[0].vertex_buffer_index; + + if (brw->curr.vertex_buffer[ve0_vb].stride == 0) + return TRUE; + } + + /* XXX: short-circuit + */ + return FALSE; + + if (brw->reduced_primitive == PIPE_PRIM_TRIANGLES) { + if (rast->poly_smooth) + return TRUE; + + } + + if (brw->reduced_primitive == PIPE_PRIM_LINES || + (brw->reduced_primitive == PIPE_PRIM_TRIANGLES && + (rast->fill_cw == PIPE_POLYGON_MODE_LINE || + rast->fill_ccw == PIPE_POLYGON_MODE_LINE))) + { + /* BRW hardware will do AA lines, but they are non-conformant it + * seems. TBD whether we keep this fallback: + */ + if (rast->line_smooth) + return TRUE; + + /* XXX: was a fallback in mesa (gs doesn't get enough + * information to know when to reset stipple counter), but there + * must be a way around it. + */ + if (rast->line_stipple_enable && + (brw->reduced_primitive == PIPE_PRIM_TRIANGLES || + brw->primitive == PIPE_PRIM_LINE_LOOP || + brw->primitive == PIPE_PRIM_LINE_STRIP)) + return TRUE; + } + + + if (brw->reduced_primitive == PIPE_PRIM_POINTS || + (brw->reduced_primitive == PIPE_PRIM_TRIANGLES && + (rast->fill_cw == PIPE_POLYGON_MODE_POINT || + rast->fill_ccw == PIPE_POLYGON_MODE_POINT))) + { + if (rast->point_smooth) + return TRUE; + } + + /* BRW hardware doesn't handle CLAMP texturing correctly; + * brw_wm_sampler_state:translate_wrap_mode() treats CLAMP + * as CLAMP_TO_EDGE instead. If we're using CLAMP, and + * we want strict conformance, force the fallback. + * + * XXX: need a workaround for this. + */ + + /* Nothing stopping us from the fast path now */ + return FALSE; +} + + + + |