From: Marek Olšák Date: Sat, 9 May 2015 17:36:17 +0000 (+0200) Subject: radeonsi: add support for PIPE_CAP_TGSI_TEXCOORD X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=e4339bc9886a26d75b924ad045c3ddd003f802c3;p=mesa.git radeonsi: add support for PIPE_CAP_TGSI_TEXCOORD Without it, texcoords are mapped to GENERIC[0..7], PointCoord is mapped to GENERIC[8], and user-defined varyings start from GENERIC[9]. Since texcoords can only be used between VS and PS, and PointCoord is PS-only, it's silly to always start from GENERIC[9] in all other shaders (such as LS, HS, ES, GS). This adds support for TEXCOORD and PCOORD semantics. As a result, st/mesa will use GENERIC[0] as a base for user-defined varyings, which should make linking ES and GS as well as tessellation shaders at runtime easier. Reviewed-by: Michel Dänzer --- diff --git a/src/gallium/drivers/radeonsi/si_pipe.c b/src/gallium/drivers/radeonsi/si_pipe.c index 9d60ef1db38..b57aa5ff01b 100644 --- a/src/gallium/drivers/radeonsi/si_pipe.c +++ b/src/gallium/drivers/radeonsi/si_pipe.c @@ -251,6 +251,7 @@ static int si_get_param(struct pipe_screen* pscreen, enum pipe_cap param) case PIPE_CAP_POLYGON_OFFSET_CLAMP: case PIPE_CAP_MULTISAMPLE_Z_RESOLVE: case PIPE_CAP_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION: + case PIPE_CAP_TGSI_TEXCOORD: return 1; case PIPE_CAP_RESOURCE_FROM_USER_MEMORY: @@ -286,7 +287,6 @@ static int si_get_param(struct pipe_screen* pscreen, enum pipe_cap param) case PIPE_CAP_FRAGMENT_COLOR_CLAMPED: case PIPE_CAP_VERTEX_COLOR_CLAMPED: case PIPE_CAP_USER_VERTEX_BUFFERS: - case PIPE_CAP_TGSI_TEXCOORD: case PIPE_CAP_FAKE_SW_MSAA: case PIPE_CAP_TEXTURE_GATHER_OFFSETS: case PIPE_CAP_TGSI_FS_FINE_DERIVATIVE: diff --git a/src/gallium/drivers/radeonsi/si_shader.c b/src/gallium/drivers/radeonsi/si_shader.c index 89f02ab0410..5c2225277fd 100644 --- a/src/gallium/drivers/radeonsi/si_shader.c +++ b/src/gallium/drivers/radeonsi/si_shader.c @@ -1183,6 +1183,7 @@ handle_semantic: continue; case TGSI_SEMANTIC_PRIMID: case TGSI_SEMANTIC_FOG: + case TGSI_SEMANTIC_TEXCOORD: case TGSI_SEMANTIC_GENERIC: target = V_008DFC_SQ_EXP_PARAM + param_count; shader->vs_output_param_offset[i] = param_count; diff --git a/src/gallium/drivers/radeonsi/si_state.c b/src/gallium/drivers/radeonsi/si_state.c index 7f0fdd599dc..d1b3ca2481a 100644 --- a/src/gallium/drivers/radeonsi/si_state.c +++ b/src/gallium/drivers/radeonsi/si_state.c @@ -636,18 +636,14 @@ static void *si_create_rs_state(struct pipe_context *ctx, rs->offset_units = state->offset_units; rs->offset_scale = state->offset_scale * 12.0f; - tmp = S_0286D4_FLAT_SHADE_ENA(1); - if (state->sprite_coord_enable) { - tmp |= S_0286D4_PNT_SPRITE_ENA(1) | - S_0286D4_PNT_SPRITE_OVRD_X(V_0286D4_SPI_PNT_SPRITE_SEL_S) | - S_0286D4_PNT_SPRITE_OVRD_Y(V_0286D4_SPI_PNT_SPRITE_SEL_T) | - S_0286D4_PNT_SPRITE_OVRD_Z(V_0286D4_SPI_PNT_SPRITE_SEL_0) | - S_0286D4_PNT_SPRITE_OVRD_W(V_0286D4_SPI_PNT_SPRITE_SEL_1); - if (state->sprite_coord_mode != PIPE_SPRITE_COORD_UPPER_LEFT) { - tmp |= S_0286D4_PNT_SPRITE_TOP_1(1); - } - } - si_pm4_set_reg(pm4, R_0286D4_SPI_INTERP_CONTROL_0, tmp); + si_pm4_set_reg(pm4, R_0286D4_SPI_INTERP_CONTROL_0, + S_0286D4_FLAT_SHADE_ENA(1) | + S_0286D4_PNT_SPRITE_ENA(1) | + S_0286D4_PNT_SPRITE_OVRD_X(V_0286D4_SPI_PNT_SPRITE_SEL_S) | + S_0286D4_PNT_SPRITE_OVRD_Y(V_0286D4_SPI_PNT_SPRITE_SEL_T) | + S_0286D4_PNT_SPRITE_OVRD_Z(V_0286D4_SPI_PNT_SPRITE_SEL_0) | + S_0286D4_PNT_SPRITE_OVRD_W(V_0286D4_SPI_PNT_SPRITE_SEL_1) | + S_0286D4_PNT_SPRITE_TOP_1(state->sprite_coord_mode != PIPE_SPRITE_COORD_UPPER_LEFT)); /* point size 12.4 fixed point */ tmp = (unsigned)(state->point_size * 8.0); diff --git a/src/gallium/drivers/radeonsi/si_state_shaders.c b/src/gallium/drivers/radeonsi/si_state_shaders.c index 1bbc6b3ca7a..5974e77e374 100644 --- a/src/gallium/drivers/radeonsi/si_state_shaders.c +++ b/src/gallium/drivers/radeonsi/si_state_shaders.c @@ -661,8 +661,9 @@ bcolor: (interpolate == TGSI_INTERPOLATE_COLOR && sctx->flatshade)) tmp |= S_028644_FLAT_SHADE(1); - if (name == TGSI_SEMANTIC_GENERIC && - sctx->sprite_coord_enable & (1 << index)) { + if (name == TGSI_SEMANTIC_PCOORD || + (name == TGSI_SEMANTIC_TEXCOORD && + sctx->sprite_coord_enable & (1 << index))) { tmp |= S_028644_PT_SPRITE_TEX(1); }