[Mesa-dev] [PATCH] llvmpipe: Implement TXQ.
Jose Fonseca
jfonseca at vmware.com
Thu May 17 16:27:18 PDT 2012
I commited after doing the last tweaks that Roland mentioned. Thanks
Jose
----- Original Message -----
> Still have a comment, but it's really trivial and either way it's
> fine so:
> Reviewed-by: Roland Scheidegger <sroland at vmware.com>
>
> Am 17.05.2012 16:48, schrieb Olivier Galibert:
> > Piglits test for fragment shaders pass, vertex shaders fail. The
> > actual failure seems to be in the interpolators, and not the
> > textureSize query.
> >
> > Signed-off-by: Olivier Galibert <galibert at pobox.com>
> > ---
> > src/gallium/auxiliary/draw/draw_llvm_sample.c | 23 ++++++
> > src/gallium/auxiliary/gallivm/lp_bld_sample.c | 7 +-
> > src/gallium/auxiliary/gallivm/lp_bld_sample.h | 13 ++++
> > src/gallium/auxiliary/gallivm/lp_bld_sample_soa.c | 72
> > +++++++++++++++++
> > src/gallium/auxiliary/gallivm/lp_bld_tgsi.h | 7 ++
> > src/gallium/auxiliary/gallivm/lp_bld_tgsi_soa.c | 86
> > +++++++++++++++++++++
> > src/gallium/drivers/llvmpipe/lp_tex_sample.c | 23 ++++++
> > 7 files changed, 225 insertions(+), 6 deletions(-)
> >
> > Addresses Roland's latest pertinent nitpicks.
> >
> > diff --git a/src/gallium/auxiliary/draw/draw_llvm_sample.c
> > b/src/gallium/auxiliary/draw/draw_llvm_sample.c
> > index 8af3461..a3f5197 100644
> > --- a/src/gallium/auxiliary/draw/draw_llvm_sample.c
> > +++ b/src/gallium/auxiliary/draw/draw_llvm_sample.c
> > @@ -195,6 +195,28 @@ draw_llvm_sampler_soa_emit_fetch_texel(const
> > struct lp_build_sampler_soa *base,
> > }
> >
> >
> > +/**
> > + * Fetch the texture size.
> > + */
> > +static void
> > +draw_llvm_sampler_soa_emit_size_query(const struct
> > lp_build_sampler_soa *base,
> > + struct gallivm_state
> > *gallivm,
> > + unsigned unit,
> > + LLVMValueRef explicit_lod,
> > /* optional */
> > + LLVMValueRef *sizes_out)
> > +{
> > + struct draw_llvm_sampler_soa *sampler = (struct
> > draw_llvm_sampler_soa *)base;
> > +
> > + assert(unit < PIPE_MAX_VERTEX_SAMPLERS);
> > +
> > + lp_build_size_query_soa(gallivm,
> > + &sampler->dynamic_state.static_state[unit],
> > + &sampler->dynamic_state.base,
> > + unit,
> > + explicit_lod,
> > + sizes_out);
> > +}
> > +
> > struct lp_build_sampler_soa *
> > draw_llvm_sampler_soa_create(const struct lp_sampler_static_state
> > *static_state,
> > LLVMValueRef context_ptr)
> > @@ -207,6 +229,7 @@ draw_llvm_sampler_soa_create(const struct
> > lp_sampler_static_state *static_state,
> >
> > sampler->base.destroy = draw_llvm_sampler_soa_destroy;
> > sampler->base.emit_fetch_texel =
> > draw_llvm_sampler_soa_emit_fetch_texel;
> > + sampler->base.emit_size_query =
> > draw_llvm_sampler_soa_emit_size_query;
> > sampler->dynamic_state.base.width = draw_llvm_texture_width;
> > sampler->dynamic_state.base.height = draw_llvm_texture_height;
> > sampler->dynamic_state.base.depth = draw_llvm_texture_depth;
> > diff --git a/src/gallium/auxiliary/gallivm/lp_bld_sample.c
> > b/src/gallium/auxiliary/gallivm/lp_bld_sample.c
> > index c6d4f1b..2ffd9b8 100644
> > --- a/src/gallium/auxiliary/gallivm/lp_bld_sample.c
> > +++ b/src/gallium/auxiliary/gallivm/lp_bld_sample.c
> > @@ -51,11 +51,6 @@
> > */
> > #define BRILINEAR_FACTOR 2
> >
> > -static LLVMValueRef
> > -lp_build_minify(struct lp_build_context *bld,
> > - LLVMValueRef base_size,
> > - LLVMValueRef level);
> > -
> > /**
> > * Does the given texture wrap mode allow sampling the texture
> > border color?
> > * XXX maybe move this into gallium util code.
> > @@ -670,7 +665,7 @@ lp_build_get_const_mipmap_level(struct
> > lp_build_sample_context *bld,
> > * Codegen equivalent for u_minify().
> > * Return max(1, base_size >> level);
> > */
> > -static LLVMValueRef
> > +LLVMValueRef
> > lp_build_minify(struct lp_build_context *bld,
> > LLVMValueRef base_size,
> > LLVMValueRef level)
> > diff --git a/src/gallium/auxiliary/gallivm/lp_bld_sample.h
> > b/src/gallium/auxiliary/gallivm/lp_bld_sample.h
> > index a71e656..e59a70d 100644
> > --- a/src/gallium/auxiliary/gallivm/lp_bld_sample.h
> > +++ b/src/gallium/auxiliary/gallivm/lp_bld_sample.h
> > @@ -405,8 +405,21 @@ lp_build_sample_soa(struct gallivm_state
> > *gallivm,
> > LLVMValueRef texel_out[4]);
> >
> > void
> > +lp_build_size_query_soa(struct gallivm_state *gallivm,
> > + const struct lp_sampler_static_state
> > *static_state,
> > + struct lp_sampler_dynamic_state
> > *dynamic_state,
> > + unsigned unit,
> > + LLVMValueRef explicit_lod,
> > + LLVMValueRef *sizes_out);
> > +
> > +void
> > lp_build_sample_nop(struct gallivm_state *gallivm, struct lp_type
> > type,
> > LLVMValueRef texel_out[4]);
> >
> >
> > +LLVMValueRef
> > +lp_build_minify(struct lp_build_context *bld,
> > + LLVMValueRef base_size,
> > + LLVMValueRef level);
> > +
> > #endif /* LP_BLD_SAMPLE_H */
> > diff --git a/src/gallium/auxiliary/gallivm/lp_bld_sample_soa.c
> > b/src/gallium/auxiliary/gallivm/lp_bld_sample_soa.c
> > index 4ea7b4b..f3023a0 100644
> > --- a/src/gallium/auxiliary/gallivm/lp_bld_sample_soa.c
> > +++ b/src/gallium/auxiliary/gallivm/lp_bld_sample_soa.c
> > @@ -35,6 +35,7 @@
> >
> > #include "pipe/p_defines.h"
> > #include "pipe/p_state.h"
> > +#include "pipe/p_shader_tokens.h"
> > #include "util/u_debug.h"
> > #include "util/u_dump.h"
> > #include "util/u_memory.h"
> > @@ -1277,3 +1278,74 @@ lp_build_sample_soa(struct gallivm_state
> > *gallivm,
> >
> > apply_sampler_swizzle(&bld, texel_out);
> > }
> > +
> > +void
> > +lp_build_size_query_soa(struct gallivm_state *gallivm,
> > + const struct lp_sampler_static_state
> > *static_state,
> > + struct lp_sampler_dynamic_state
> > *dynamic_state,
> > + unsigned unit,
> > + LLVMValueRef explicit_lod,
> > + LLVMValueRef *sizes_out)
> > +{
> > + LLVMValueRef lod, slot;
> > + int dims, i;
> > + struct lp_build_context bld_int_vec;
> > +
> > + switch (static_state->target) {
> > + case PIPE_TEXTURE_1D:
> > + case PIPE_BUFFER:
> > + dims = 1;
> > + break;
> > + case PIPE_TEXTURE_2D:
> > + case PIPE_TEXTURE_CUBE:
> > + case PIPE_TEXTURE_RECT:
> > +// case PIPE_TEXTURE_2D_MS:
> > + dims = 2;
> > + break;
> > + case PIPE_TEXTURE_3D:
> > + dims = 3;
> > + break;
> > +
> > + default:
> > + assert(0);
> > + return;
> > + }
> > +
> > + lp_build_context_init(&bld_int_vec, gallivm,
> > lp_type_int_vec(32));
> > +
> > + if (explicit_lod) {
> > + LLVMValueRef first_level;
> > + lod = LLVMBuildExtractElement(gallivm->builder,
> > explicit_lod, lp_build_const_int32(gallivm, 0), "");
> > + first_level = dynamic_state->first_level(dynamic_state,
> > gallivm, unit);
> > + lod = lp_build_broadcast_scalar(&bld_int_vec,
> > +
> > LLVMBuildAdd(gallivm->builder,
> > lod, first_level, "lod"));
> > +
> > + } else
> > + lod = bld_int_vec.zero;
> > +
> > + slot = bld_int_vec.zero;
> Missed it last time I think you could start with bld_int_vec.undef
> for
> slightly more optimized code but it doesn't really matter.
> Also, not sure if variable name "slot" makes sense anymore?
>
> > +
> > + slot = LLVMBuildInsertElement(gallivm->builder, slot,
> > +
> > dynamic_state->width(dynamic_state,
> > gallivm, unit),
> > + lp_build_const_int32(gallivm, 0),
> > "");
> > +
> > + if (dims >= 2) {
> > + slot = LLVMBuildInsertElement(gallivm->builder, slot,
> > +
> > dynamic_state->height(dynamic_state,
> > gallivm, unit),
> > + lp_build_const_int32(gallivm,
> > 1), "");
> > + }
> > +
> > + if (dims >= 3) {
> > + slot = LLVMBuildInsertElement(gallivm->builder, slot,
> > +
> > dynamic_state->depth(dynamic_state,
> > gallivm, unit),
> > + lp_build_const_int32(gallivm,
> > 2), "");
> > + }
> > +
> > + slot = lp_build_minify(&bld_int_vec, slot, lod);
> > +
> > + for(i=0; i<dims; i++) {
> > + sizes_out[i] = lp_build_extract_broadcast(gallivm,
> > bld_int_vec.type, bld_int_vec.type,
> > + slot,
> > +
> > lp_build_const_int32(gallivm,
> > i));
> > + }
> > +}
> > diff --git a/src/gallium/auxiliary/gallivm/lp_bld_tgsi.h
> > b/src/gallium/auxiliary/gallivm/lp_bld_tgsi.h
> > index 773c679..141e799 100644
> > --- a/src/gallium/auxiliary/gallivm/lp_bld_tgsi.h
> > +++ b/src/gallium/auxiliary/gallivm/lp_bld_tgsi.h
> > @@ -170,6 +170,13 @@ struct lp_build_sampler_soa
> > LLVMValueRef lod_bias, /* optional */
> > LLVMValueRef explicit_lod, /* optional */
> > LLVMValueRef *texel);
> > +
> > + void
> > + (*emit_size_query)( const struct lp_build_sampler_soa *sampler,
> > + struct gallivm_state *gallivm,
> > + unsigned unit,
> > + LLVMValueRef explicit_lod, /* optional */
> > + LLVMValueRef *sizes_out);
> > };
> >
> >
> > diff --git a/src/gallium/auxiliary/gallivm/lp_bld_tgsi_soa.c
> > b/src/gallium/auxiliary/gallivm/lp_bld_tgsi_soa.c
> > index cca7ef5..a9d69a3 100644
> > --- a/src/gallium/auxiliary/gallivm/lp_bld_tgsi_soa.c
> > +++ b/src/gallium/auxiliary/gallivm/lp_bld_tgsi_soa.c
> > @@ -1209,6 +1209,80 @@ emit_tex( struct lp_build_tgsi_soa_context
> > *bld,
> > texel);
> > }
> >
> > +static void
> > +emit_txq( struct lp_build_tgsi_soa_context *bld,
> > + const struct tgsi_full_instruction *inst,
> > + LLVMValueRef *sizes_out)
> > +{
> > + LLVMValueRef explicit_lod;
> > + unsigned num_coords, has_lod;
> > + unsigned i;
> > +
> > + switch (inst->Texture.Texture) {
> > + case TGSI_TEXTURE_1D:
> > + case TGSI_TEXTURE_SHADOW1D:
> > + case TGSI_TEXTURE_SHADOW2D:
> > + case TGSI_TEXTURE_SHADOWCUBE:
> > + num_coords = 1;
> > + has_lod = 1;
> > + break;
> > + case TGSI_TEXTURE_2D:
> > + case TGSI_TEXTURE_CUBE:
> > + case TGSI_TEXTURE_1D_ARRAY:
> > + case TGSI_TEXTURE_SHADOW1D_ARRAY:
> > + num_coords = 2;
> > + has_lod = 1;
> > + break;
> > + case TGSI_TEXTURE_3D:
> > +// case TGSI_TEXTURE_CUBE_ARRAY:
> > +// case TGSI_TEXTURE_SHADOWCUBE_ARRAY:
> > + case TGSI_TEXTURE_2D_ARRAY:
> > + case TGSI_TEXTURE_SHADOW2D_ARRAY:
> > + num_coords = 3;
> > + has_lod = 1;
> > + break;
> > +
> > + case TGSI_TEXTURE_BUFFER:
> > + num_coords = 1;
> > + has_lod = 0;
> > + break;
> > +
> > + case TGSI_TEXTURE_RECT:
> > + case TGSI_TEXTURE_SHADOWRECT:
> > +// case TGSI_TEXTURE_2D_MS:
> > + num_coords = 2;
> > + has_lod = 0;
> > + break;
> > +
> > +// case TGSI_TEXTURE_2D_MS_ARRAY:
> > +// num_coords = 3;
> > +// has_lod = 0;
> > +// break;
> > +
> > + default:
> > + assert(0);
> > + return;
> > + }
> > +
> > + if (!bld->sampler) {
> > + _debug_printf("warning: found texture query instruction but
> > no sampler generator supplied\n");
> > + for (i = 0; i < num_coords; i++)
> > + sizes_out[i] = bld->bld_base.base.undef;
> > + return;
> > + }
> > +
> > + if (has_lod)
> > + explicit_lod = lp_build_emit_fetch( &bld->bld_base, inst, 0,
> > 2 );
> > + else
> > + explicit_lod = NULL;
> > +
> > + bld->sampler->emit_size_query(bld->sampler,
> > + bld->bld_base.base.gallivm,
> > + inst->Src[1].Register.Index,
> > + explicit_lod,
> > + sizes_out);
> > +}
> > +
> > static boolean
> > near_end_of_shader(struct lp_build_tgsi_soa_context *bld,
> > int pc)
> > @@ -1585,6 +1659,17 @@ txp_emit(
> > }
> >
> > static void
> > +txq_emit(
> > + const struct lp_build_tgsi_action * action,
> > + struct lp_build_tgsi_context * bld_base,
> > + struct lp_build_emit_data * emit_data)
> > +{
> > + struct lp_build_tgsi_soa_context * bld =
> > lp_soa_context(bld_base);
> > +
> > + emit_txq(bld, emit_data->inst, emit_data->output);
> > +}
> > +
> > +static void
> > cal_emit(
> > const struct lp_build_tgsi_action * action,
> > struct lp_build_tgsi_context * bld_base,
> > @@ -1954,6 +2039,7 @@ lp_build_tgsi_soa(struct gallivm_state
> > *gallivm,
> > bld.bld_base.op_actions[TGSI_OPCODE_TXD].emit = txd_emit;
> > bld.bld_base.op_actions[TGSI_OPCODE_TXL].emit = txl_emit;
> > bld.bld_base.op_actions[TGSI_OPCODE_TXP].emit = txp_emit;
> > + bld.bld_base.op_actions[TGSI_OPCODE_TXQ].emit = txq_emit;
> >
> > lp_exec_mask_init(&bld.exec_mask, &bld.bld_base.base);
> >
> > diff --git a/src/gallium/drivers/llvmpipe/lp_tex_sample.c
> > b/src/gallium/drivers/llvmpipe/lp_tex_sample.c
> > index ccc1396..daa96f2 100644
> > --- a/src/gallium/drivers/llvmpipe/lp_tex_sample.c
> > +++ b/src/gallium/drivers/llvmpipe/lp_tex_sample.c
> > @@ -204,6 +204,28 @@ lp_llvm_sampler_soa_emit_fetch_texel(const
> > struct lp_build_sampler_soa *base,
> > texel);
> > }
> >
> > +/**
> > + * Fetch the texture size.
> > + */
> > +static void
> > +lp_llvm_sampler_soa_emit_size_query(const struct
> > lp_build_sampler_soa *base,
> > + struct gallivm_state *gallivm,
> > + unsigned unit,
> > + LLVMValueRef explicit_lod, /*
> > optional */
> > + LLVMValueRef *sizes_out)
> > +{
> > + struct lp_llvm_sampler_soa *sampler = (struct
> > lp_llvm_sampler_soa *)base;
> > +
> > + assert(unit < PIPE_MAX_SAMPLERS);
> > +
> > + lp_build_size_query_soa(gallivm,
> > + &sampler->dynamic_state.static_state[unit],
> > + &sampler->dynamic_state.base,
> > + unit,
> > + explicit_lod,
> > + sizes_out);
> > +}
> > +
> >
> > struct lp_build_sampler_soa *
> > lp_llvm_sampler_soa_create(const struct lp_sampler_static_state
> > *static_state,
> > @@ -217,6 +239,7 @@ lp_llvm_sampler_soa_create(const struct
> > lp_sampler_static_state *static_state,
> >
> > sampler->base.destroy = lp_llvm_sampler_soa_destroy;
> > sampler->base.emit_fetch_texel =
> > lp_llvm_sampler_soa_emit_fetch_texel;
> > + sampler->base.emit_size_query =
> > lp_llvm_sampler_soa_emit_size_query;
> > sampler->dynamic_state.base.width = lp_llvm_texture_width;
> > sampler->dynamic_state.base.height = lp_llvm_texture_height;
> > sampler->dynamic_state.base.depth = lp_llvm_texture_depth;
>
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