From afc56b1861c1dae4137493af4c0e6dacc6ee41f9 Mon Sep 17 00:00:00 2001 From: Jerome Glisse Date: Sun, 5 Dec 2010 19:24:03 -0500 Subject: r600g: avoid useless shader rebuild at draw call Avoid rebuilding constant shader state at each draw call, factor out spi update that might change at each draw call. Best would be to update spi only when revealent states change (likely only flat shading & sprite point). Signed-off-by: Jerome Glisse --- src/gallium/drivers/r600/evergreen_state.c | 55 +++++++++++++++++++++++------- 1 file changed, 43 insertions(+), 12 deletions(-) (limited to 'src/gallium/drivers/r600/evergreen_state.c') diff --git a/src/gallium/drivers/r600/evergreen_state.c b/src/gallium/drivers/r600/evergreen_state.c index b313d52501..feb30f3f25 100644 --- a/src/gallium/drivers/r600/evergreen_state.c +++ b/src/gallium/drivers/r600/evergreen_state.c @@ -1239,6 +1239,7 @@ void evergreen_polygon_offset_update(struct r600_pipe_context *rctx) default: return; } + /* FIXME some of those reg can be computed with cso */ offset_db_fmt_cntl |= S_028B78_POLY_OFFSET_NEG_NUM_DB_BITS(depth); r600_pipe_state_add_reg(&state, R_028B80_PA_SU_POLY_OFFSET_FRONT_SCALE, @@ -1259,6 +1260,30 @@ void evergreen_polygon_offset_update(struct r600_pipe_context *rctx) } } +static void evergreen_spi_update(struct r600_pipe_context *rctx) +{ + struct r600_pipe_shader *shader = rctx->ps_shader; + struct r600_pipe_state rstate; + struct r600_shader *rshader = &shader->shader; + unsigned i, tmp; + + rstate.nregs = 0; + for (i = 0; i < rshader->ninput; i++) { + tmp = S_028644_SEMANTIC(r600_find_vs_semantic_index(&rctx->vs_shader->shader, rshader, i)); + if (rshader->input[i].name == TGSI_SEMANTIC_COLOR || + rshader->input[i].name == TGSI_SEMANTIC_BCOLOR || + rshader->input[i].name == TGSI_SEMANTIC_POSITION) { + tmp |= S_028644_FLAT_SHADE(rctx->flatshade); + } + if (rshader->input[i].name == TGSI_SEMANTIC_GENERIC && + rctx->sprite_coord_enable & (1 << rshader->input[i].sid)) { + tmp |= S_028644_PT_SPRITE_TEX(1); + } + r600_pipe_state_add_reg(&rstate, R_028644_SPI_PS_INPUT_CNTL_0 + i * 4, tmp, 0xFFFFFFFF, NULL); + } + r600_context_pipe_state_set(&rctx->ctx, &rstate); +} + void evergreen_vertex_buffer_update(struct r600_pipe_context *rctx) { struct r600_pipe_state *rstate; @@ -1417,12 +1442,30 @@ void evergreen_draw(struct pipe_context *ctx, const struct pipe_draw_info *info) } if (r600_conv_pipe_prim(draw.mode, &prim)) return; + if (unlikely(rctx->ps_shader == NULL)) { + R600_ERR("missing vertex shader\n"); + return; + } + if (unlikely(rctx->vs_shader == NULL)) { + R600_ERR("missing vertex shader\n"); + return; + } + /* there should be enough input */ + if (rctx->vertex_elements->count < rctx->vs_shader->shader.bc.nresource) { + R600_ERR("%d resources provided, expecting %d\n", + rctx->vertex_elements->count, rctx->vs_shader->shader.bc.nresource); + return; + } +#if 0 /* rebuild vertex shader if input format changed */ if (r600_pipe_shader_update(&rctx->context, rctx->vs_shader)) return; if (r600_pipe_shader_update(&rctx->context, rctx->ps_shader)) return; +#endif + + evergreen_spi_update(rctx); #if 0 for (i = 0 ; i < rctx->vertex_elements->count; i++) { @@ -1506,11 +1549,9 @@ void evergreen_pipe_shader_ps(struct pipe_context *ctx, struct r600_pipe_shader boolean have_linear = FALSE, have_centroid = FALSE, have_perspective = FALSE; unsigned spi_baryc_cntl; - /* clear previous register */ rstate->nregs = 0; for (i = 0; i < rshader->ninput; i++) { - tmp = S_028644_SEMANTIC(r600_find_vs_semantic_index(&rctx->vs_shader->shader, rshader, i)); /* evergreen NUM_INTERP only contains values interpolated into the LDS, POSITION goes via GPRs from the SC so isn't counted */ if (rshader->input[i].name == TGSI_SEMANTIC_POSITION) @@ -1528,16 +1569,6 @@ void evergreen_pipe_shader_ps(struct pipe_context *ctx, struct r600_pipe_shader if (rshader->input[i].centroid) have_centroid = TRUE; } - if (rshader->input[i].name == TGSI_SEMANTIC_COLOR || - rshader->input[i].name == TGSI_SEMANTIC_BCOLOR || - rshader->input[i].name == TGSI_SEMANTIC_POSITION) { - tmp |= S_028644_FLAT_SHADE(rshader->flat_shade); - } - if (rshader->input[i].name == TGSI_SEMANTIC_GENERIC && - rctx->sprite_coord_enable & (1 << rshader->input[i].sid)) { - tmp |= S_028644_PT_SPRITE_TEX(1); - } - r600_pipe_state_add_reg(rstate, R_028644_SPI_PS_INPUT_CNTL_0 + i * 4, tmp, 0xFFFFFFFF, NULL); } for (i = 0; i < rshader->noutput; i++) { if (rshader->output[i].name == TGSI_SEMANTIC_POSITION) -- cgit v1.2.3