From 3958378abb31164443f888f09f644100d5c34dae Mon Sep 17 00:00:00 2001 From: Marek Olšák Date: Mon, 17 Nov 2014 20:51:56 +0100 Subject: radeonsi: support gl_FragCoord at integer pixel center MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit No known benefit for OpenGL, but it doesn't hurt. Reviewed-by: Michel Dänzer --- src/gallium/drivers/radeonsi/si_pipe.c | 2 +- src/gallium/drivers/radeonsi/si_state_draw.c | 4 ++++ 2 files changed, 5 insertions(+), 1 deletion(-) diff --git a/src/gallium/drivers/radeonsi/si_pipe.c b/src/gallium/drivers/radeonsi/si_pipe.c index 61a3885c645..19ad75ae04e 100644 --- a/src/gallium/drivers/radeonsi/si_pipe.c +++ b/src/gallium/drivers/radeonsi/si_pipe.c @@ -183,6 +183,7 @@ static int si_get_param(struct pipe_screen* pscreen, enum pipe_cap param) case PIPE_CAP_MIXED_COLORBUFFER_FORMATS: case PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT: case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER: + case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER: case PIPE_CAP_SM3: case PIPE_CAP_SEAMLESS_CUBE_MAP: case PIPE_CAP_PRIMITIVE_RESTART: @@ -240,7 +241,6 @@ static int si_get_param(struct pipe_screen* pscreen, enum pipe_cap param) /* Unsupported features. */ case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT: - case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER: case PIPE_CAP_TGSI_CAN_COMPACT_CONSTANTS: case PIPE_CAP_FRAGMENT_COLOR_CLAMPED: case PIPE_CAP_VERTEX_COLOR_CLAMPED: diff --git a/src/gallium/drivers/radeonsi/si_state_draw.c b/src/gallium/drivers/radeonsi/si_state_draw.c index f1082827111..674b4a04e39 100644 --- a/src/gallium/drivers/radeonsi/si_state_draw.c +++ b/src/gallium/drivers/radeonsi/si_state_draw.c @@ -262,6 +262,10 @@ static void si_shader_ps(struct si_shader *shader) spi_baryc_cntl |= S_0286E0_POS_FLOAT_LOCATION(2); break; } + + if (info->properties[TGSI_PROPERTY_FS_COORD_PIXEL_CENTER] == + TGSI_FS_COORD_PIXEL_CENTER_INTEGER) + spi_baryc_cntl |= S_0286E0_POS_FLOAT_ULC(1); break; } } -- cgit v1.2.3