From: Gert Wollny Date: Wed, 28 Aug 2019 08:48:04 +0000 (+0200) Subject: r600: Fix interpolateAtCentroid X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=7cbb44aa6ae417d32bd9fd5c2c858ade9a9acfd8;p=mesa.git r600: Fix interpolateAtCentroid If the instruction interpolateAtCentroid is used the extra interpolator must also be enabled in the state. Fixes: fs-interpolateatcentroid-block Signed-off-by: Gert Wollny Reviewed-by: Roland Scheidegger --- diff --git a/src/gallium/drivers/r600/evergreen_state.c b/src/gallium/drivers/r600/evergreen_state.c index cfeab815584..b8315612fdd 100644 --- a/src/gallium/drivers/r600/evergreen_state.c +++ b/src/gallium/drivers/r600/evergreen_state.c @@ -3364,6 +3364,12 @@ void evergreen_update_ps_state(struct pipe_context *ctx, struct r600_pipe_shader spi_baryc_cntl |= spi_baryc_enable_bit[k]; have_perspective |= k < 3; have_linear |= !(k < 3); + if (rshader->input[i].uses_interpolate_at_centroid) { + k = eg_get_interpolator_index( + rshader->input[i].interpolate, + TGSI_INTERPOLATE_LOC_CENTROID); + spi_baryc_cntl |= spi_baryc_enable_bit[k]; + } } } diff --git a/src/gallium/drivers/r600/r600_shader.c b/src/gallium/drivers/r600/r600_shader.c index fc826470d69..85e584baff5 100644 --- a/src/gallium/drivers/r600/r600_shader.c +++ b/src/gallium/drivers/r600/r600_shader.c @@ -6973,6 +6973,7 @@ static int tgsi_interp_egcm(struct r600_shader_ctx *ctx) } else { location = TGSI_INTERPOLATE_LOC_CENTROID; + ctx->shader->input[input].uses_interpolate_at_centroid = 1; } k = eg_get_interpolator_index(ctx->shader->input[input].interpolate, location); diff --git a/src/gallium/drivers/r600/r600_shader.h b/src/gallium/drivers/r600/r600_shader.h index 3b3e667ec56..b7046b39d4c 100644 --- a/src/gallium/drivers/r600/r600_shader.h +++ b/src/gallium/drivers/r600/r600_shader.h @@ -54,6 +54,7 @@ struct r600_shader_io { unsigned back_color_input; unsigned write_mask; int ring_offset; + unsigned uses_interpolate_at_centroid; }; struct r600_shader_atomic { diff --git a/src/gallium/drivers/r600/sb/sb_bc_parser.cpp b/src/gallium/drivers/r600/sb/sb_bc_parser.cpp index 90e6df745a7..6b19d61babe 100644 --- a/src/gallium/drivers/r600/sb/sb_bc_parser.cpp +++ b/src/gallium/drivers/r600/sb/sb_bc_parser.cpp @@ -171,8 +171,13 @@ int bc_parser::parse_decls() { sh->add_input(in.gpr, preloaded, /*in.write_mask*/ 0x0F); if (ps_interp && in.spi_sid) { int k = eg_get_interpolator_index(in.interpolate, in.interpolate_location); - if (k >= 0) + if (k >= 0) { ij_interpolators[k] |= true; + if (in.uses_interpolate_at_centroid) { + k = eg_get_interpolator_index(in.interpolate, TGSI_INTERPOLATE_LOC_CENTROID); + ij_interpolators[k] |= true; + } + } } }