From afa187fc36b786807869c793531ee9445292f0ab Mon Sep 17 00:00:00 2001 From: Gert Wollny Date: Fri, 16 Oct 2020 18:18:18 +0200 Subject: [PATCH] r600: enable fp64 lowering to softemu with NIR The NIR code path does not (yet) take hardware into account that actually supports fp64 in hardware. Signed-off-by: Gert Wollny Part-of: --- src/gallium/drivers/r600/r600_pipe.c | 3 +++ src/gallium/drivers/r600/r600_shader.c | 9 +++++++-- 2 files changed, 10 insertions(+), 2 deletions(-) diff --git a/src/gallium/drivers/r600/r600_pipe.c b/src/gallium/drivers/r600/r600_pipe.c index 71b603c..de240c0 100644 --- a/src/gallium/drivers/r600/r600_pipe.c +++ b/src/gallium/drivers/r600/r600_pipe.c @@ -407,12 +407,15 @@ static int r600_get_param(struct pipe_screen* pscreen, enum pipe_cap param) case PIPE_CAP_GLSL_OPTIMIZE_CONSERVATIVELY: return 0; + case PIPE_CAP_INT64: case PIPE_CAP_DOUBLES: if (rscreen->b.family == CHIP_ARUBA || rscreen->b.family == CHIP_CAYMAN || rscreen->b.family == CHIP_CYPRESS || rscreen->b.family == CHIP_HEMLOCK) return 1; + if (is_nir_enabled(&rscreen->b)) + return 1; return 0; case PIPE_CAP_INT64_DIVMOD: /* it is actually not supported, but the nir lowering hdanles this corectly wheras diff --git a/src/gallium/drivers/r600/r600_shader.c b/src/gallium/drivers/r600/r600_shader.c index 703ec72..cfada0a 100644 --- a/src/gallium/drivers/r600/r600_shader.c +++ b/src/gallium/drivers/r600/r600_shader.c @@ -196,8 +196,13 @@ int r600_pipe_shader_create(struct pipe_context *ctx, } else { if (sel->ir_type == PIPE_SHADER_IR_TGSI) { sel->nir = tgsi_to_nir(sel->tokens, ctx->screen, true); - /* Lower int64 ops because we have some r600 build-in shaders that use it */ - if (!ctx->screen->get_param(ctx->screen, PIPE_CAP_DOUBLES)) { + const nir_shader_compiler_options *nir_options = + (const nir_shader_compiler_options *) + ctx->screen->get_compiler_options(ctx->screen, + PIPE_SHADER_IR_NIR, + shader->shader.processor_type); + /* Lower int64 ops because we have some r600 build-in shaders that use it */ + if (nir_options->lower_int64_options) { NIR_PASS_V(sel->nir, nir_lower_regs_to_ssa); NIR_PASS_V(sel->nir, nir_lower_alu_to_scalar, NULL, NULL); NIR_PASS_V(sel->nir, nir_lower_int64); -- 2.7.4