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author | Keith Whitwell <keith@tungstengraphics.com> | 2008-04-17 23:44:32 +0100 |
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committer | Keith Whitwell <keith@tungstengraphics.com> | 2008-04-18 10:48:54 +0100 |
commit | a773f06e969a3992451dd7fe6fd55ea96b2774fa (patch) | |
tree | 7b8f2ef0bf53da7312c8a89774a5159a87c90e76 /src/gallium/auxiliary/draw/draw_vs_llvm.c | |
parent | 01b6354e72a84f8c3c22be1f77eab8d9c05920a3 (diff) | |
download | external_mesa3d-a773f06e969a3992451dd7fe6fd55ea96b2774fa.zip external_mesa3d-a773f06e969a3992451dd7fe6fd55ea96b2774fa.tar.gz external_mesa3d-a773f06e969a3992451dd7fe6fd55ea96b2774fa.tar.bz2 |
draw: split off all the extra functionality in the vertex shader
This will at least allow us to make the initial gains to get decent
vertex performance much more quickly & with higher confidence of getting
it right.
At some later point can look again at code-generating all the
fetch/cliptest/viewport extras in the same block as the vertex shader.
For now, just need to get some decent baseline performance.
Diffstat (limited to 'src/gallium/auxiliary/draw/draw_vs_llvm.c')
-rw-r--r-- | src/gallium/auxiliary/draw/draw_vs_llvm.c | 39 |
1 files changed, 18 insertions, 21 deletions
diff --git a/src/gallium/auxiliary/draw/draw_vs_llvm.c b/src/gallium/auxiliary/draw/draw_vs_llvm.c index d0baca7..4dbfa95 100644 --- a/src/gallium/auxiliary/draw/draw_vs_llvm.c +++ b/src/gallium/auxiliary/draw/draw_vs_llvm.c @@ -47,6 +47,7 @@ struct draw_llvm_vertex_shader { struct draw_vertex_shader base; struct gallivm_prog *llvm_prog; + struct tgsi_exec_machine *machine; }; @@ -77,12 +78,9 @@ vs_llvm_run( struct draw_vertex_shader *base, struct draw_llvm_vertex_shader *shader = (struct draw_llvm_vertex_shader *)base; - struct tgsi_exec_machine *machine = &draw->machine; + struct tgsi_exec_machine *machine = shader->machine; unsigned int j; unsigned int clipped = 0; - - 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; @@ -93,13 +91,12 @@ vs_llvm_run( struct draw_vertex_shader *base, /* Consts does not require 16 byte alignment. */ machine->Consts = (float (*)[4]) draw->user.constants; - machine->Inputs = ALIGN16_ASSIGN(inputs); if (draw->rasterizer->bypass_vs) { /* outputs are just the inputs */ - machine->Outputs = machine->Inputs; + outputs = machine->Inputs; } else { - machine->Outputs = ALIGN16_ASSIGN(outputs); + outputs = machine->Outputs; } @@ -119,10 +116,10 @@ vs_llvm_run( struct draw_vertex_shader *base, 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]; + x = vOut[j]->clip[0] = outputs[0].xyzw[0].f[j]; + y = vOut[j]->clip[1] = outputs[0].xyzw[1].f[j]; + z = vOut[j]->clip[2] = outputs[0].xyzw[2].f[j]; + w = vOut[j]->clip[3] = outputs[0].xyzw[3].f[j]; if (!draw->rasterizer->bypass_clipping) { vOut[j]->clipmask = compute_clipmask(vOut[j]->clip, draw->plane, @@ -159,10 +156,10 @@ vs_llvm_run( struct draw_vertex_shader *base, * vertex attrib slots. */ 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]; + vOut[j]->data[slot][0] = outputs[slot].xyzw[0].f[j]; + vOut[j]->data[slot][1] = outputs[slot].xyzw[1].f[j]; + vOut[j]->data[slot][2] = outputs[slot].xyzw[2].f[j]; + vOut[j]->data[slot][3] = outputs[slot].xyzw[3].f[j]; } } /* loop over vertices */ return clipped != 0; @@ -183,7 +180,7 @@ vs_llvm_run_linear( struct draw_vertex_shader *base, struct draw_llvm_vertex_shader *shader = (struct draw_llvm_vertex_shader *)base; - struct tgsi_exec_machine *machine = &draw->machine; + struct tgsi_exec_machine *machine = shader->machine; unsigned int j; @@ -199,6 +196,8 @@ vs_llvm_run_linear( struct draw_vertex_shader *base, machine->Inputs[slot].xyzw[2].f[j] = input[slot][2]; machine->Inputs[slot].xyzw[3].f[j] = input[slot][3]; } + + input = (const float (*)[4])((const char *)input + input_stride); } /* run shader */ @@ -216,12 +215,9 @@ vs_llvm_run_linear( struct draw_vertex_shader *base, output[slot][1] = machine->Outputs[slot].xyzw[1].f[j]; output[slot][2] = machine->Outputs[slot].xyzw[2].f[j]; output[slot][3] = machine->Outputs[slot].xyzw[3].f[j]; - } - /* Advance input, output pointers: - */ - input = (const float (*)[4])((const char *)input + input_stride); - output = (float (*)[4])((char *)output + output_stride); + output = (float (*)[4])((char *)output + output_stride); + } } } @@ -263,6 +259,7 @@ draw_create_vs_llvm(struct draw_context *draw, vs->base.run = vs_llvm_run; vs->base.run_linear = vs_llvm_run_linear; vs->base.delete = vs_llvm_delete; + vs->machine = &draw->machine; { struct gallivm_ir *ir = gallivm_ir_new(GALLIVM_VS); |