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author | marha <marha@users.sourceforge.net> | 2012-08-07 07:51:02 +0200 |
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committer | marha <marha@users.sourceforge.net> | 2012-08-07 07:51:02 +0200 |
commit | f8e35ebbe71eed74ccf68af8ccda4182f1edc7f0 (patch) | |
tree | 0451299b4aaaaf6d2423d1faf07dc9f35c9f80d8 /mesalib/src/mesa/state_tracker/st_atom_sampler.c | |
parent | 18e75aa6ae27a6e44d93babd96afbbe0cd6077c8 (diff) | |
download | vcxsrv-f8e35ebbe71eed74ccf68af8ccda4182f1edc7f0.tar.gz vcxsrv-f8e35ebbe71eed74ccf68af8ccda4182f1edc7f0.tar.bz2 vcxsrv-f8e35ebbe71eed74ccf68af8ccda4182f1edc7f0.zip |
mesa xserver xkeyboard-config git update 7 Aug 2012
Diffstat (limited to 'mesalib/src/mesa/state_tracker/st_atom_sampler.c')
-rw-r--r-- | mesalib/src/mesa/state_tracker/st_atom_sampler.c | 106 |
1 files changed, 52 insertions, 54 deletions
diff --git a/mesalib/src/mesa/state_tracker/st_atom_sampler.c b/mesalib/src/mesa/state_tracker/st_atom_sampler.c index dc0c789c5..f39fd7551 100644 --- a/mesalib/src/mesa/state_tracker/st_atom_sampler.c +++ b/mesalib/src/mesa/state_tracker/st_atom_sampler.c @@ -195,84 +195,82 @@ convert_sampler(struct st_context *st, } +/** + * Update the gallium driver's sampler state for fragment, vertex or + * geometry shader stage. + */ static void -update_vertex_samplers(struct st_context *st) +update_shader_samplers(struct st_context *st, + unsigned shader_stage, + const struct gl_program *prog, + unsigned max_units, + struct pipe_sampler_state *samplers, + unsigned *num_samplers) { - const struct gl_context *ctx = st->ctx; - struct gl_vertex_program *vprog = ctx->VertexProgram._Current; - GLuint su; - - if (st->state.num_vertex_samplers == 0 && vprog->Base.SamplersUsed == 0) - return; - st->state.num_vertex_samplers = 0; - - /* loop over sampler units (aka tex image units) */ - for (su = 0; su < ctx->Const.MaxVertexTextureImageUnits; su++) { - struct pipe_sampler_state *sampler = st->state.vertex_samplers + su; - - if (vprog->Base.SamplersUsed & (1 << su)) { - GLuint texUnit; - - texUnit = vprog->Base.SamplerUnits[su]; + GLuint unit; + GLbitfield samplers_used; + const GLuint old_max = *num_samplers; - convert_sampler(st, sampler, texUnit); + samplers_used = prog->SamplersUsed; - st->state.num_vertex_samplers = su + 1; - - cso_single_vertex_sampler(st->cso_context, su, sampler); - } else { - cso_single_vertex_sampler(st->cso_context, su, NULL); - } - } - cso_single_vertex_sampler_done(st->cso_context); -} - - -static void -update_fragment_samplers(struct st_context *st) -{ - const struct gl_context *ctx = st->ctx; - struct gl_fragment_program *fprog = ctx->FragmentProgram._Current; - GLuint su; - GLuint samplers_used = fprog->Base.SamplersUsed; - GLuint old_max = st->state.num_samplers; + if (*num_samplers == 0 && samplers_used == 0x0) + return; - st->state.num_samplers = 0; + *num_samplers = 0; /* loop over sampler units (aka tex image units) */ - for (su = 0; su < ctx->Const.MaxTextureImageUnits; su++, samplers_used >>= 1) { - struct pipe_sampler_state *sampler = st->state.samplers + su; + for (unit = 0; unit < max_units; unit++, samplers_used >>= 1) { + struct pipe_sampler_state *sampler = samplers + unit; if (samplers_used & 1) { - GLuint texUnit; - - texUnit = fprog->Base.SamplerUnits[su]; + const GLuint texUnit = prog->SamplerUnits[unit]; convert_sampler(st, sampler, texUnit); - st->state.num_samplers = su + 1; + *num_samplers = unit + 1; - /*printf("%s su=%u non-null\n", __FUNCTION__, su);*/ - cso_single_sampler(st->cso_context, su, sampler); + cso_single_sampler(st->cso_context, shader_stage, unit, sampler); + } + else if (samplers_used != 0 || unit < old_max) { + cso_single_sampler(st->cso_context, shader_stage, unit, NULL); } - else if (samplers_used != 0 || su < old_max) { - /*printf("%s su=%u null\n", __FUNCTION__, su);*/ - cso_single_sampler(st->cso_context, su, NULL); - } else { - /* if we've reset all the old views and we have no more new ones */ + else { + /* if we've reset all the old samplers and we have no more new ones */ break; } } - cso_single_sampler_done(st->cso_context); + cso_single_sampler_done(st->cso_context, shader_stage); } static void update_samplers(struct st_context *st) { - update_fragment_samplers(st); - update_vertex_samplers(st); + const struct gl_context *ctx = st->ctx; + + update_shader_samplers(st, + PIPE_SHADER_FRAGMENT, + &ctx->FragmentProgram._Current->Base, + ctx->Const.MaxTextureImageUnits, + st->state.fragment_samplers, + &st->state.num_fragment_samplers); + + update_shader_samplers(st, + PIPE_SHADER_VERTEX, + &ctx->VertexProgram._Current->Base, + ctx->Const.MaxVertexTextureImageUnits, + st->state.vertex_samplers, + &st->state.num_vertex_samplers); + +/* + update_shader_samplers(st, + PIPE_SHADER_GEOMETRY, + &ctx->GeometryProgram._Current->Base, + ctx->Const.MaxGeometryTextureImageUnits, + st->state.geometry_samplers, + &st->state.num_geometry_samplers); +*/ } |