From 889473b3f5a216bd753c357974d6bae29fe3c41d Mon Sep 17 00:00:00 2001 From: Keith Whitwell Date: Wed, 21 May 2008 20:28:56 +0100 Subject: draw: add viewport to varient state --- src/gallium/auxiliary/draw/draw_vs_aos.c | 50 ++++++++++++++++++++++++++++++++ 1 file changed, 50 insertions(+) (limited to 'src/gallium/auxiliary/draw/draw_vs_aos.c') diff --git a/src/gallium/auxiliary/draw/draw_vs_aos.c b/src/gallium/auxiliary/draw/draw_vs_aos.c index 620f5e3592..b8e66e8b78 100644 --- a/src/gallium/auxiliary/draw/draw_vs_aos.c +++ b/src/gallium/auxiliary/draw/draw_vs_aos.c @@ -1401,6 +1401,37 @@ emit_instruction( struct aos_compilation *cp, } } + +static boolean emit_viewport( struct aos_compilation *cp ) +{ + struct x86_reg pos = aos_get_shader_reg(cp, + TGSI_FILE_OUTPUT, + 0); + + struct x86_reg scale = x86_make_disp(cp->machine_EDX, + Offset(struct aos_machine, scale)); + + struct x86_reg translate = x86_make_disp(cp->machine_EDX, + Offset(struct aos_machine, translate)); + + if (pos.file != file_XMM) { + struct x86_reg dst = aos_get_xmm_reg(cp); + sse_movups(cp->func, dst, pos); + pos = dst; + } + + sse_mulps(cp->func, pos, scale); + sse_addps(cp->func, pos, translate); + + aos_adopt_xmm_reg( cp, + pos, + TGSI_FILE_OUTPUT, + 0, + TRUE ); + return TRUE; +} + + static boolean note_immediate( struct aos_compilation *cp, struct tgsi_full_immediate *imm ) { @@ -1540,6 +1571,10 @@ static boolean build_vertex_program( struct draw_vs_varient_aos_sse *varient, if (cp.error) goto fail; + if (cp.vaos->base.key.viewport) { + emit_viewport(&cp); + } + /* Emit output... TODO: do this eagerly after the last write to a * given output. */ @@ -1665,11 +1700,25 @@ static void vaos_set_constants( struct draw_vs_varient *varient, } +static void vaos_set_viewport( struct draw_vs_varient *varient, + const struct pipe_viewport_state *viewport ) +{ + struct draw_vs_varient_aos_sse *vaos = (struct draw_vs_varient_aos_sse *)varient; + + memcpy(vaos->machine->scale, viewport->scale, 4 * sizeof(float)); + memcpy(vaos->machine->translate, viewport->translate, 4 * sizeof(float)); +} + + + static struct draw_vs_varient *varient_aos_sse( struct draw_vertex_shader *vs, const struct draw_vs_varient_key *key ) { struct draw_vs_varient_aos_sse *vaos = CALLOC_STRUCT(draw_vs_varient_aos_sse); + if (key->clip) + return NULL; + if (!vaos) goto fail; @@ -1677,6 +1726,7 @@ static struct draw_vs_varient *varient_aos_sse( struct draw_vertex_shader *vs, vaos->base.vs = vs; vaos->base.set_input = vaos_set_buffer; vaos->base.set_constants = vaos_set_constants; + vaos->base.set_viewport = vaos_set_viewport; vaos->base.destroy = vaos_destroy; vaos->base.run_linear = vaos_run_linear; vaos->base.run_elts = vaos_run_elts; -- cgit v1.2.3