From aadbb1d7fbbaada6e378cb60194e5861cadf98d1 Mon Sep 17 00:00:00 2001 From: Zack Rusin Date: Sat, 12 Apr 2008 15:45:28 -0400 Subject: pass arbitrary number of vertices to the shader execution cycle --- src/gallium/auxiliary/draw/draw_vs_sse.c | 139 ++++++++++++++++--------------- 1 file changed, 70 insertions(+), 69 deletions(-) (limited to 'src/gallium/auxiliary/draw/draw_vs_sse.c') diff --git a/src/gallium/auxiliary/draw/draw_vs_sse.c b/src/gallium/auxiliary/draw/draw_vs_sse.c index 0ee991d764..bfec89254e 100644 --- a/src/gallium/auxiliary/draw/draw_vs_sse.c +++ b/src/gallium/auxiliary/draw/draw_vs_sse.c @@ -45,6 +45,7 @@ #include "tgsi/exec/tgsi_sse2.h" #include "tgsi/util/tgsi_parse.h" +#define SSE_MAX_VERTICES 4 typedef void (XSTDCALL *codegen_function) ( const struct tgsi_exec_vector *input, @@ -86,14 +87,13 @@ vs_sse_run( struct draw_vertex_shader *base, { struct draw_sse_vertex_shader *shader = (struct draw_sse_vertex_shader *)base; struct tgsi_exec_machine *machine = &draw->machine; - unsigned int j; + unsigned int i, j; ALIGN16_DECL(struct tgsi_exec_vector, inputs, PIPE_MAX_ATTRIBS); ALIGN16_DECL(struct tgsi_exec_vector, outputs, PIPE_MAX_ATTRIBS); const float *scale = draw->viewport.scale; const float *trans = draw->viewport.translate; - assert(count <= 4); assert(draw->vertex_shader->info.output_semantic_name[0] == TGSI_SEMANTIC_POSITION); @@ -108,77 +108,78 @@ vs_sse_run( struct draw_vertex_shader *base, machine->Outputs = ALIGN16_ASSIGN(outputs); } - - /* Fetch vertices. This may at some point be integrated into the - * compiled shader -- that would require a reorganization where - * multiple versions of the compiled shader might exist, - * specialized for each fetch state. - */ - draw->vertex_fetch.fetch_func( draw, machine, elts, count ); - - - if (!draw->rasterizer->bypass_vs) { - /* run compiled shader - */ - shader->func(machine->Inputs, - machine->Outputs, - machine->Consts, - machine->Temps, - shader->immediates); - } - - - /* XXX: Computing the clipmask and emitting results should be done - * in the vertex program as a set of instructions appended to - * the user-provided code. - */ - for (j = 0; j < count; j++) { - unsigned slot; - float x, y, z, w; - - x = vOut[j]->clip[0] = machine->Outputs[0].xyzw[0].f[j]; - y = vOut[j]->clip[1] = machine->Outputs[0].xyzw[1].f[j]; - z = vOut[j]->clip[2] = machine->Outputs[0].xyzw[2].f[j]; - w = vOut[j]->clip[3] = machine->Outputs[0].xyzw[3].f[j]; - - if (!draw->rasterizer->bypass_clipping) { - vOut[j]->clipmask = compute_clipmask(vOut[j]->clip, draw->plane, draw->nr_planes); - - /* divide by w */ - w = 1.0f / w; - x *= w; - y *= w; - z *= w; - } - else { - vOut[j]->clipmask = 0; - } - vOut[j]->edgeflag = 1; - - if (!draw->identity_viewport) { - /* Viewport mapping */ - vOut[j]->data[0][0] = x * scale[0] + trans[0]; - vOut[j]->data[0][1] = y * scale[1] + trans[1]; - vOut[j]->data[0][2] = z * scale[2] + trans[2]; - vOut[j]->data[0][3] = w; - } - else { - vOut[j]->data[0][0] = x; - vOut[j]->data[0][1] = y; - vOut[j]->data[0][2] = z; - vOut[j]->data[0][3] = w; + for (i = 0; i < count; i += SSE_MAX_VERTICES) { + unsigned int max_vertices = MIN2(SSE_MAX_VERTICES, count - i); + /* Fetch vertices. This may at some point be integrated into the + * compiled shader -- that would require a reorganization where + * multiple versions of the compiled shader might exist, + * specialized for each fetch state. + */ + draw->vertex_fetch.fetch_func(draw, machine, &elts[i], max_vertices); + + if (!draw->rasterizer->bypass_vs) { + /* run compiled shader + */ + shader->func(machine->Inputs, + machine->Outputs, + machine->Consts, + machine->Temps, + shader->immediates); } - /* Remaining attributes are packed into sequential post-transform - * vertex attrib slots. + /* XXX: Computing the clipmask and emitting results should be done + * in the vertex program as a set of instructions appended to + * the user-provided code. */ - for (slot = 1; slot < draw->num_vs_outputs; slot++) { - vOut[j]->data[slot][0] = machine->Outputs[slot].xyzw[0].f[j]; - vOut[j]->data[slot][1] = machine->Outputs[slot].xyzw[1].f[j]; - vOut[j]->data[slot][2] = machine->Outputs[slot].xyzw[2].f[j]; - vOut[j]->data[slot][3] = machine->Outputs[slot].xyzw[3].f[j]; + for (j = 0; j < max_vertices; j++) { + unsigned slot; + float x, y, z, w; + + x = vOut[i + j]->clip[0] = machine->Outputs[0].xyzw[0].f[j]; + y = vOut[i + j]->clip[1] = machine->Outputs[0].xyzw[1].f[j]; + z = vOut[i + j]->clip[2] = machine->Outputs[0].xyzw[2].f[j]; + w = vOut[i + j]->clip[3] = machine->Outputs[0].xyzw[3].f[j]; + + if (!draw->rasterizer->bypass_clipping) { + vOut[i + j]->clipmask = compute_clipmask(vOut[i + j]->clip, draw->plane, + draw->nr_planes); + + /* divide by w */ + w = 1.0f / w; + x *= w; + y *= w; + z *= w; + } + else { + vOut[i + j]->clipmask = 0; + } + vOut[j]->edgeflag = 1; + + if (!draw->identity_viewport) { + /* Viewport mapping */ + vOut[i + j]->data[0][0] = x * scale[0] + trans[0]; + vOut[i + j]->data[0][1] = y * scale[1] + trans[1]; + vOut[i + j]->data[0][2] = z * scale[2] + trans[2]; + vOut[i + j]->data[0][3] = w; + } + else { + vOut[i + j]->data[0][0] = x; + vOut[i + j]->data[0][1] = y; + vOut[i + j]->data[0][2] = z; + vOut[i + j]->data[0][3] = w; + } + + /* Remaining attributes are packed into sequential post-transform + * vertex attrib slots. + */ + for (slot = 1; slot < draw->num_vs_outputs; slot++) { + vOut[i + j]->data[slot][0] = machine->Outputs[slot].xyzw[0].f[j]; + vOut[i + j]->data[slot][1] = machine->Outputs[slot].xyzw[1].f[j]; + vOut[i + j]->data[slot][2] = machine->Outputs[slot].xyzw[2].f[j]; + vOut[i + j]->data[slot][3] = machine->Outputs[slot].xyzw[3].f[j]; + } } - } + } } -- cgit v1.2.3