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-rw-r--r--src/mesa/pipe/draw/draw_wide_prims.c27
-rw-r--r--src/mesa/pipe/p_defines.h7
-rw-r--r--src/mesa/pipe/p_state.h1
-rw-r--r--src/mesa/state_tracker/st_atom_rasterizer.c12
4 files changed, 40 insertions, 7 deletions
diff --git a/src/mesa/pipe/draw/draw_wide_prims.c b/src/mesa/pipe/draw/draw_wide_prims.c
index 0d02e70814e..917944a6110 100644
--- a/src/mesa/pipe/draw/draw_wide_prims.c
+++ b/src/mesa/pipe/draw/draw_wide_prims.c
@@ -40,7 +40,8 @@ struct wide_stage {
float half_line_width;
float half_point_size;
- uint texcoord[PIPE_MAX_SHADER_OUTPUTS];
+ uint texcoord_slot[PIPE_MAX_SHADER_OUTPUTS];
+ uint texcoord_mode[PIPE_MAX_SHADER_OUTPUTS];
uint num_texcoords;
};
@@ -123,16 +124,26 @@ static void wide_line( struct draw_stage *stage,
}
+/**
+ * Set the vertex texcoords for sprite mode.
+ * Coords may be left untouched or set to a right-side-up or upside-down
+ * orientation.
+ */
static void set_texcoords(const struct wide_stage *wide,
struct vertex_header *v, const float tc[4])
{
uint i;
for (i = 0; i < wide->num_texcoords; i++) {
- uint j = wide->texcoord[i];
- v->data[j][0] = tc[0];
- v->data[j][1] = tc[1];
- v->data[j][2] = tc[2];
- v->data[j][3] = tc[3];
+ if (wide->texcoord_mode[i] != PIPE_SPRITE_COORD_NONE) {
+ uint j = wide->texcoord_slot[i];
+ v->data[j][0] = tc[0];
+ if (wide->texcoord_mode[i] == PIPE_SPRITE_COORD_LOWER_LEFT)
+ v->data[j][1] = 1.0 - tc[1];
+ else
+ v->data[j][1] = tc[1];
+ v->data[j][2] = tc[2];
+ v->data[j][3] = tc[3];
+ }
}
}
@@ -230,7 +241,9 @@ static void wide_begin( struct draw_stage *stage )
uint i, j = 0;
for (i = 0; i < vs->state->num_outputs; i++) {
if (vs->state->output_semantic_name[i] == TGSI_SEMANTIC_GENERIC) {
- wide->texcoord[j++] = i;
+ wide->texcoord_slot[j] = i;
+ wide->texcoord_mode[j] = draw->rasterizer->sprite_coord_mode[j];
+ j++;
}
}
wide->num_texcoords = j;
diff --git a/src/mesa/pipe/p_defines.h b/src/mesa/pipe/p_defines.h
index d336f839980..9281d40bd3b 100644
--- a/src/mesa/pipe/p_defines.h
+++ b/src/mesa/pipe/p_defines.h
@@ -308,4 +308,11 @@
#define PIPE_QUERY_TYPES 3
+/**
+ * Point sprite coord modes
+ */
+#define PIPE_SPRITE_COORD_NONE 0
+#define PIPE_SPRITE_COORD_UPPER_LEFT 1
+#define PIPE_SPRITE_COORD_LOWER_LEFT 2
+
#endif
diff --git a/src/mesa/pipe/p_state.h b/src/mesa/pipe/p_state.h
index fd3f4f22b9e..ecbcbd098af 100644
--- a/src/mesa/pipe/p_state.h
+++ b/src/mesa/pipe/p_state.h
@@ -96,6 +96,7 @@ struct pipe_rasterizer_state
float point_size; /**< used when no per-vertex size */
float offset_units;
float offset_scale;
+ ubyte sprite_coord_mode[PIPE_MAX_SHADER_OUTPUTS]; /**< PIPE_SPRITE_COORD_ */
};
diff --git a/src/mesa/state_tracker/st_atom_rasterizer.c b/src/mesa/state_tracker/st_atom_rasterizer.c
index 9fbd7dc09ef..9f857e28375 100644
--- a/src/mesa/state_tracker/st_atom_rasterizer.c
+++ b/src/mesa/state_tracker/st_atom_rasterizer.c
@@ -74,6 +74,7 @@ static void update_raster_state( struct st_context *st )
GLcontext *ctx = st->ctx;
struct pipe_rasterizer_state raster;
const struct cso_rasterizer *cso;
+ uint i;
memset(&raster, 0, sizeof(raster));
@@ -189,6 +190,17 @@ static void update_raster_state( struct st_context *st )
raster.point_size = ctx->Point.Size;
raster.point_smooth = ctx->Point.SmoothFlag;
raster.point_sprite = ctx->Point.PointSprite;
+ for (i = 0; i < MAX_TEXTURE_COORD_UNITS; i++) {
+ if (ctx->Point.CoordReplace[i]) {
+ if (ctx->Point.SpriteOrigin == GL_UPPER_LEFT)
+ raster.sprite_coord_mode[i] = PIPE_SPRITE_COORD_UPPER_LEFT;
+ else
+ raster.sprite_coord_mode[i] = PIPE_SPRITE_COORD_LOWER_LEFT;
+ }
+ else {
+ raster.sprite_coord_mode[i] = PIPE_SPRITE_COORD_NONE;
+ }
+ }
/* _NEW_LINE
*/