From: Keith Whitwell Date: Wed, 1 Oct 2008 17:40:01 +0000 (+0100) Subject: draw: don't keep refetching constant inputs X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=21f98ad30aaeab5085d12278830f485e61b47cc1;p=mesa.git draw: don't keep refetching constant inputs --- diff --git a/src/gallium/auxiliary/draw/draw_pt_fetch_shade_emit.c b/src/gallium/auxiliary/draw/draw_pt_fetch_shade_emit.c index 73fc70c1bc9..a0e08dd10aa 100644 --- a/src/gallium/auxiliary/draw/draw_pt_fetch_shade_emit.c +++ b/src/gallium/auxiliary/draw/draw_pt_fetch_shade_emit.c @@ -79,6 +79,7 @@ static void fse_prepare( struct draw_pt_middle_end *middle, unsigned num_vs_inputs = draw->vs.vertex_shader->info.num_inputs; const struct vertex_info *vinfo; unsigned i; + unsigned nr_vbs = 0; if (!draw->render->set_primitive( draw->render, @@ -102,7 +103,7 @@ static void fse_prepare( struct draw_pt_middle_end *middle, fse->key.viewport = !draw->identity_viewport; fse->key.clip = !draw->bypass_clipping; - fse->key.pad = 0; + fse->key.const_vbuffers = 0; memset(fse->key.element, 0, fse->key.nr_elements * sizeof(fse->key.element[0])); @@ -116,9 +117,16 @@ static void fse_prepare( struct draw_pt_middle_end *middle, */ fse->key.element[i].in.buffer = src->vertex_buffer_index; fse->key.element[i].in.offset = src->src_offset; + nr_vbs = MAX2(nr_vbs, src->vertex_buffer_index + 1); } + for (i = 0; i < 5 && i < nr_vbs; i++) { + if (draw->pt.vertex_buffer[i].pitch == 0) + fse->key.const_vbuffers |= (1<key.const_vbuffers); + { unsigned dst_offset = 0; @@ -162,13 +170,7 @@ static void fse_prepare( struct draw_pt_middle_end *middle, } } - - /* Would normally look up a vertex shader and peruse its list of - * varients somehow. We omitted that step and put all the - * hardcoded "shaders" into an array. We're just making the - * assumption that this happens to be a matching shader... ie - * you're running isosurf, aren't you? - */ + fse->active = draw_vs_lookup_varient( draw->vs.vertex_shader, &fse->key ); @@ -177,18 +179,17 @@ static void fse_prepare( struct draw_pt_middle_end *middle, return ; } + if (0) debug_printf("%s: found const_vbuffers: %x\n", __FUNCTION__, + fse->active->key.const_vbuffers); + /* Now set buffer pointers: */ - for (i = 0; i < num_vs_inputs; i++) { - unsigned buf = draw->pt.vertex_element[i].vertex_buffer_index; - - fse->active->set_input( fse->active, - i, - - ((const ubyte *) draw->pt.user.vbuffer[buf] + - draw->pt.vertex_buffer[buf].buffer_offset), - - draw->pt.vertex_buffer[buf].pitch ); + for (i = 0; i < draw->pt.nr_vertex_buffers; i++) { + fse->active->set_buffer( fse->active, + i, + ((const ubyte *) draw->pt.user.vbuffer[i] + + draw->pt.vertex_buffer[i].buffer_offset), + draw->pt.vertex_buffer[i].pitch ); } *max_vertices = (draw->render->max_vertex_buffer_bytes / diff --git a/src/gallium/auxiliary/draw/draw_vs.h b/src/gallium/auxiliary/draw/draw_vs.h index 45992d19867..68c24abad3b 100644 --- a/src/gallium/auxiliary/draw/draw_vs.h +++ b/src/gallium/auxiliary/draw/draw_vs.h @@ -64,7 +64,7 @@ struct draw_vs_varient_key { unsigned nr_outputs:8; unsigned viewport:1; unsigned clip:1; - unsigned pad:5; + unsigned const_vbuffers:5; struct draw_varient_element element[PIPE_MAX_ATTRIBS]; }; @@ -76,7 +76,7 @@ struct draw_vs_varient { struct draw_vertex_shader *vs; - void (*set_input)( struct draw_vs_varient *, + void (*set_buffer)( struct draw_vs_varient *, unsigned i, const void *ptr, unsigned stride ); diff --git a/src/gallium/auxiliary/draw/draw_vs_aos.c b/src/gallium/auxiliary/draw/draw_vs_aos.c index 4c794e0e23c..87232865e23 100644 --- a/src/gallium/auxiliary/draw/draw_vs_aos.c +++ b/src/gallium/auxiliary/draw/draw_vs_aos.c @@ -196,6 +196,18 @@ static void spill( struct aos_compilation *cp, unsigned idx ) } +void aos_spill_all( struct aos_compilation *cp ) +{ + unsigned i; + + for (i = 0; i < 8; i++) { + if (cp->xmm[i].dirty) + spill(cp, i); + aos_release_xmm_reg(cp, i); + } +} + + static struct x86_reg get_xmm_writable( struct aos_compilation *cp, struct x86_reg reg ) { @@ -1941,6 +1953,9 @@ static boolean build_vertex_program( struct draw_vs_varient_aos_sse *varient, aos_init_inputs( &cp, linear ); + cp.x86_reg[0] = 0; + cp.x86_reg[1] = 0; + /* Note address for loop jump */ label = x86_get_label(cp.func); @@ -2066,6 +2081,8 @@ static void vaos_set_buffer( struct draw_vs_varient *varient, vaos->buffer[buf].base_ptr = (char *)ptr; vaos->buffer[buf].stride = stride; } + + if (0) debug_printf("%s %d/%d: %p %d\n", __FUNCTION__, buf, vaos->nr_vb, ptr, stride); } @@ -2078,6 +2095,8 @@ static void PIPE_CDECL vaos_run_elts( struct draw_vs_varient *varient, struct draw_vs_varient_aos_sse *vaos = (struct draw_vs_varient_aos_sse *)varient; struct aos_machine *machine = vaos->draw->vs.aos_machine; + if (0) debug_printf("%s %d\n", __FUNCTION__, count); + machine->internal[IMM_PSIZE][0] = vaos->draw->rasterizer->point_size; machine->constants = vaos->draw->vs.aligned_constants; machine->immediates = vaos->base.vs->immediates; @@ -2097,6 +2116,9 @@ static void PIPE_CDECL vaos_run_linear( struct draw_vs_varient *varient, struct draw_vs_varient_aos_sse *vaos = (struct draw_vs_varient_aos_sse *)varient; struct aos_machine *machine = vaos->draw->vs.aos_machine; + if (0) debug_printf("%s %d %d const: %x\n", __FUNCTION__, start, count, + vaos->base.key.const_vbuffers); + machine->internal[IMM_PSIZE][0] = vaos->draw->rasterizer->point_size; machine->constants = vaos->draw->vs.aligned_constants; machine->immediates = vaos->base.vs->immediates; @@ -2140,7 +2162,7 @@ static struct draw_vs_varient *varient_aos_sse( struct draw_vertex_shader *vs, vaos->base.key = *key; vaos->base.vs = vs; - vaos->base.set_input = vaos_set_buffer; + vaos->base.set_buffer = vaos_set_buffer; vaos->base.destroy = vaos_destroy; vaos->base.run_linear = vaos_run_linear; vaos->base.run_elts = vaos_run_elts; @@ -2154,7 +2176,7 @@ static struct draw_vs_varient *varient_aos_sse( struct draw_vertex_shader *vs, if (!vaos->buffer) goto fail; - debug_printf("nr_vb: %d\n", vaos->nr_vb); + debug_printf("nr_vb: %d const: %x\n", vaos->nr_vb, vaos->base.key.const_vbuffers); #if 0 tgsi_dump(vs->state.tokens, 0); diff --git a/src/gallium/auxiliary/draw/draw_vs_aos.h b/src/gallium/auxiliary/draw/draw_vs_aos.h index 306392e5d6d..264387517b0 100644 --- a/src/gallium/auxiliary/draw/draw_vs_aos.h +++ b/src/gallium/auxiliary/draw/draw_vs_aos.h @@ -176,6 +176,8 @@ void aos_adopt_xmm_reg( struct aos_compilation *cp, unsigned idx, unsigned dirty ); +void aos_spill_all( struct aos_compilation *cp ); + struct x86_reg aos_get_shader_reg( struct aos_compilation *cp, unsigned file, unsigned idx ); diff --git a/src/gallium/auxiliary/draw/draw_vs_aos_io.c b/src/gallium/auxiliary/draw/draw_vs_aos_io.c index 8e08b9285f9..b0c51d7fa19 100644 --- a/src/gallium/auxiliary/draw/draw_vs_aos_io.c +++ b/src/gallium/auxiliary/draw/draw_vs_aos_io.c @@ -108,29 +108,45 @@ static void emit_swizzle( struct aos_compilation *cp, static boolean get_buffer_ptr( struct aos_compilation *cp, - unsigned buf_idx, - struct x86_reg elt, - struct x86_reg ptr) + boolean linear, + unsigned buf_idx, + struct x86_reg elt, + struct x86_reg ptr) { struct x86_reg buf = x86_make_disp(aos_get_x86( cp, 0, X86_BUFFERS ), buf_idx * sizeof(struct aos_buffer)); - struct x86_reg buf_base_ptr = x86_make_disp(buf, - Offset(struct aos_buffer, base_ptr)); - struct x86_reg buf_stride = x86_make_disp(buf, Offset(struct aos_buffer, stride)); + if (linear) { + struct x86_reg buf_ptr = x86_make_disp(buf, + Offset(struct aos_buffer, ptr)); - /* Calculate pointer to current attrib: - */ - x86_mov(cp->func, ptr, buf_stride); - x86_imul(cp->func, ptr, elt); - x86_add(cp->func, ptr, buf_base_ptr); - return TRUE; -} + /* Calculate pointer to current attrib: + */ + x86_mov(cp->func, ptr, buf_ptr); + x86_mov(cp->func, elt, buf_stride); + x86_add(cp->func, elt, ptr); + sse_prefetchnta(cp->func, x86_deref(elt)); + x86_mov(cp->func, buf_ptr, elt); + } + else { + struct x86_reg buf_base_ptr = x86_make_disp(buf, + Offset(struct aos_buffer, base_ptr)); + + + /* Calculate pointer to current attrib: + */ + x86_mov(cp->func, ptr, buf_stride); + x86_imul(cp->func, ptr, elt); + x86_add(cp->func, ptr, buf_base_ptr); + } + cp->insn_counter++; + return TRUE; +} static boolean load_input( struct aos_compilation *cp, @@ -200,18 +216,57 @@ static boolean load_inputs( struct aos_compilation *cp, boolean aos_init_inputs( struct aos_compilation *cp, boolean linear ) { - if (linear && cp->vaos->nr_vb == 1) { + unsigned i; + for (i = 0; i < cp->vaos->nr_vb; i++) { + struct x86_reg buf = x86_make_disp(aos_get_x86( cp, 0, X86_BUFFERS ), + i * sizeof(struct aos_buffer)); - struct x86_reg elt = cp->idx_EBX; - struct x86_reg ptr = cp->tmp_EAX; + struct x86_reg buf_base_ptr = x86_make_disp(buf, + Offset(struct aos_buffer, base_ptr)); - if (!get_buffer_ptr( cp, 0, elt, ptr )) - return FALSE; + if (cp->vaos->base.key.const_vbuffers & (1<tmp_EAX; - /* In the linear, single buffer case, keep the buffer pointer - * instead of the index number. - */ - x86_mov( cp->func, elt, ptr ); + x86_mov(cp->func, ptr, buf_base_ptr); + + /* Load all inputs for this constant vertex buffer + */ + load_inputs( cp, i, x86_deref(ptr) ); + + /* Then just force them out to aos_machine.input[] + */ + aos_spill_all( cp ); + + } + else if (linear) { + + struct x86_reg elt = cp->idx_EBX; + struct x86_reg ptr = cp->tmp_EAX; + + struct x86_reg buf_stride = x86_make_disp(buf, + Offset(struct aos_buffer, stride)); + + struct x86_reg buf_ptr = x86_make_disp(buf, + Offset(struct aos_buffer, ptr)); + + + /* Calculate pointer to current attrib: + */ + x86_mov(cp->func, ptr, buf_stride); + x86_imul(cp->func, ptr, elt); + x86_add(cp->func, ptr, buf_base_ptr); + + + /* In the linear case, keep the buffer pointer instead of the + * index number. + */ + if (cp->vaos->nr_vb == 1) + x86_mov( cp->func, elt, ptr ); + else + x86_mov( cp->func, buf_ptr, ptr ); + + cp->insn_counter++; + } } return TRUE; @@ -219,23 +274,22 @@ boolean aos_init_inputs( struct aos_compilation *cp, boolean linear ) boolean aos_fetch_inputs( struct aos_compilation *cp, boolean linear ) { - if (linear && cp->vaos->nr_vb == 1) { - - load_inputs( cp, 0, cp->idx_EBX ); + unsigned j; - } - else { - struct x86_reg elt = linear ? cp->idx_EBX : x86_deref(cp->idx_EBX); - unsigned j; - - for (j = 0; j < cp->vaos->nr_vb; j++) { + for (j = 0; j < cp->vaos->nr_vb; j++) { + if (cp->vaos->base.key.const_vbuffers & (1<vaos->nr_vb == 1) { + load_inputs( cp, 0, cp->idx_EBX ); + } + else { + struct x86_reg elt = linear ? cp->idx_EBX : x86_deref(cp->idx_EBX); struct x86_reg ptr = cp->tmp_EAX; - if (!get_buffer_ptr( cp, j, elt, ptr )) + if (!get_buffer_ptr( cp, linear, j, elt, ptr )) return FALSE; - cp->insn_counter++; - if (!load_inputs( cp, j, ptr )) return FALSE; } @@ -252,13 +306,16 @@ boolean aos_incr_inputs( struct aos_compilation *cp, boolean linear ) Offset(struct aos_buffer, stride))); x86_add(cp->func, cp->idx_EBX, stride); + sse_prefetchnta(cp->func, x86_deref(cp->idx_EBX)); } else if (linear) { - x86_inc(cp->func, cp->idx_EBX); + /* Nothing to do */ } else { x86_lea(cp->func, cp->idx_EBX, x86_make_disp(cp->idx_EBX, 4)); } + + return TRUE; } diff --git a/src/gallium/auxiliary/draw/draw_vs_varient.c b/src/gallium/auxiliary/draw/draw_vs_varient.c index 4daf05dae7c..7ee567d4789 100644 --- a/src/gallium/auxiliary/draw/draw_vs_varient.c +++ b/src/gallium/auxiliary/draw/draw_vs_varient.c @@ -64,10 +64,10 @@ struct draw_vs_varient_generic { -static void vsvg_set_input( struct draw_vs_varient *varient, - unsigned buffer, - const void *ptr, - unsigned stride ) +static void vsvg_set_buffer( struct draw_vs_varient *varient, + unsigned buffer, + const void *ptr, + unsigned stride ) { struct draw_vs_varient_generic *vsvg = (struct draw_vs_varient_generic *)varient; @@ -265,7 +265,7 @@ struct draw_vs_varient *draw_vs_varient_generic( struct draw_vertex_shader *vs, vsvg->base.key = *key; vsvg->base.vs = vs; - vsvg->base.set_input = vsvg_set_input; + vsvg->base.set_buffer = vsvg_set_buffer; vsvg->base.run_elts = vsvg_run_elts; vsvg->base.run_linear = vsvg_run_linear; vsvg->base.destroy = vsvg_destroy;