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gallium: clean up point sprite rasterizer state

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Don't need sprite coord origin per coord.
Also, don't need separate sprite enable bit - if all coords have it diabled,
then there are no point sprites (technically, there's a distinction in pre-GL3,
but it only differs in having more leniency in clamping to max size, something
the state tracker would need to handle and the hardware won't bother anyway).
Also, use packed field for the per-coord enables.
All in all, should save 3 dwords in rasterizer state (from 10 down to 7).
This commit is contained in:
Roland Scheidegger
2010-02-03 17:25:14 +01:00
parent a407636efb
commit 4a4daa75a8
18 changed files with 64 additions and 62 deletions
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6
src/gallium/auxiliary/draw/draw_pipe_validate.c
View File

@@ -105,7 +105,7 @@ draw_need_pipeline(const struct draw_context *draw,
return TRUE;
/* point sprites */
if (rasterizer->point_sprite && draw->pipeline.point_sprite)
if (rasterizer->sprite_coord_enable && draw->pipeline.point_sprite)
return TRUE;
}
@@ -165,7 +165,7 @@ static struct draw_stage *validate_pipeline( struct draw_stage *stage )
&& !draw->rasterizer->line_smooth);
/* drawing large points? */
if (draw->rasterizer->point_sprite && draw->pipeline.point_sprite)
if (draw->rasterizer->sprite_coord_enable && draw->pipeline.point_sprite)
wide_points = TRUE;
else if (draw->rasterizer->point_smooth && draw->pipeline.aapoint)
wide_points = FALSE;
@@ -197,7 +197,7 @@ static struct draw_stage *validate_pipeline( struct draw_stage *stage )
precalc_flat = 1;
}
if (wide_points || draw->rasterizer->point_sprite) {
if (wide_points || draw->rasterizer->sprite_coord_enable) {
draw->pipeline.wide_point->next = next;
next = draw->pipeline.wide_point;
}

16
src/gallium/auxiliary/draw/draw_pipe_wide_point.c
View File

@@ -69,8 +69,9 @@ struct widepoint_stage {
float ybias;
uint texcoord_slot[PIPE_MAX_SHADER_OUTPUTS];
uint texcoord_mode[PIPE_MAX_SHADER_OUTPUTS];
uint texcoord_enable[PIPE_MAX_SHADER_OUTPUTS];
uint num_texcoords;
uint texcoord_mode;
int psize_slot;
@@ -96,10 +97,10 @@ static void set_texcoords(const struct widepoint_stage *wide,
{
uint i;
for (i = 0; i < wide->num_texcoords; i++) {
if (wide->texcoord_mode[i] != PIPE_SPRITE_COORD_NONE) {
if (wide->texcoord_enable[i]) {
uint j = wide->texcoord_slot[i];
v->data[j][0] = tc[0];
if (wide->texcoord_mode[i] == PIPE_SPRITE_COORD_LOWER_LEFT)
if (wide->texcoord_mode == PIPE_SPRITE_COORD_LOWER_LEFT)
v->data[j][1] = 1.0f - tc[1];
else
v->data[j][1] = tc[1];
@@ -129,7 +130,7 @@ static void widepoint_point( struct draw_stage *stage,
{
const struct widepoint_stage *wide = widepoint_stage(stage);
const unsigned pos = draw_current_shader_position_output(stage->draw);
const boolean sprite = (boolean) stage->draw->rasterizer->point_sprite;
const boolean sprite = (boolean) stage->draw->rasterizer->sprite_coord_enable;
float half_size;
float left_adj, right_adj, bot_adj, top_adj;
@@ -222,21 +223,22 @@ static void widepoint_first_point( struct draw_stage *stage,
/* XXX we won't know the real size if it's computed by the vertex shader! */
if ((draw->rasterizer->point_size > draw->pipeline.wide_point_threshold) ||
(draw->rasterizer->point_sprite && draw->pipeline.point_sprite)) {
(draw->rasterizer->sprite_coord_enable && draw->pipeline.point_sprite)) {
stage->point = widepoint_point;
}
else {
stage->point = draw_pipe_passthrough_point;
}
if (draw->rasterizer->point_sprite) {
if (draw->rasterizer->sprite_coord_enable) {
/* find vertex shader texcoord outputs */
const struct draw_vertex_shader *vs = draw->vs.vertex_shader;
uint i, j = 0;
wide->texcoord_mode = draw->rasterizer->sprite_coord_mode;
for (i = 0; i < vs->info.num_outputs; i++) {
if (vs->info.output_semantic_name[i] == TGSI_SEMANTIC_GENERIC) {
wide->texcoord_slot[j] = i;
wide->texcoord_mode[j] = draw->rasterizer->sprite_coord_mode[j];
wide->texcoord_enable[j] = (draw->rasterizer->sprite_coord_enable >> j) & 1;
j++;
}
}

7
src/gallium/docs/source/cso/rasterizer.rst
View File

@@ -83,7 +83,10 @@ point_size_per_vertex
point_size
The size of points, if not specified per-vertex.
point_sprite
Whether points are drawn as sprites (textured quads)
Whether points are drawn as sprites (textured quads). This is mutually
exclusive with point_smooth. Note that sprite_coord_mode set to
PIPE_SPRITE_COORD_NONE for all coords and point_sprite enabled is basically
equivalent to point_sprite disabled.
sprite_coord_mode
Specifies how the value for each shader output should be computed when
drawing sprites. If PIPE_SPRITE_COORD_NONE, don't change the vertex
@@ -98,7 +101,7 @@ sprite_coord_mode
sprite rendering.
Note that when geometry shaders are available, this state could be
removed. A special geometry shader defined by the state tracker could
converts the incoming points into quads with the proper texture coords.
convert the incoming points into quads with the proper texture coords.
scissor
Whether the scissor test is enabled.

17
src/gallium/drivers/i965/brw_sf.c
View File

@@ -128,6 +128,7 @@ static enum pipe_error compile_sf_prog( struct brw_context *brw,
static enum pipe_error upload_sf_prog(struct brw_context *brw)
{
const struct brw_fs_signature *sig = &brw->curr.fragment_shader->signature;
const struct pipe_rasterizer_state *rast = &brw->curr.rast->templ;
struct brw_sf_prog_key key;
enum pipe_error ret;
unsigned i;
@@ -166,8 +167,8 @@ static enum pipe_error upload_sf_prog(struct brw_context *brw)
case PIPE_PRIM_TRIANGLES:
/* PIPE_NEW_RAST
*/
if (brw->curr.rast->templ.fill_cw != PIPE_POLYGON_MODE_FILL ||
brw->curr.rast->templ.fill_ccw != PIPE_POLYGON_MODE_FILL)
if (rast->fill_cw != PIPE_POLYGON_MODE_FILL ||
rast->fill_ccw != PIPE_POLYGON_MODE_FILL)
key.primitive = SF_UNFILLED_TRIS;
else
key.primitive = SF_TRIANGLES;
@@ -180,14 +181,14 @@ static enum pipe_error upload_sf_prog(struct brw_context *brw)
break;
}
key.do_point_sprite = brw->curr.rast->templ.point_sprite;
key.sprite_origin_lower_left = 0; /* XXX: ctx->Point.SpriteOrigin - fix rast state */
key.do_flat_shading = brw->curr.rast->templ.flatshade;
key.do_twoside_color = brw->curr.rast->templ.light_twoside;
key.do_point_sprite = rast->sprite_coord_enable ? 1 : 0;
key.sprite_origin_lower_left = (rast->sprite_coord_mode == PIPE_SPRITE_COORD_LOWER_LEFT);
key.point_coord_replace_attrs = rast->sprite_coord_enable;
key.do_flat_shading = rast->flatshade;
key.do_twoside_color = rast->light_twoside;
if (key.do_twoside_color) {
key.frontface_ccw = (brw->curr.rast->templ.front_winding ==
PIPE_WINDING_CCW);
key.frontface_ccw = (rast->front_winding == PIPE_WINDING_CCW);
}
if (brw_search_cache(&brw->cache, BRW_SF_PROG,

2
src/gallium/drivers/i965/brw_sf_state.c
View File

@@ -123,7 +123,7 @@ sf_unit_populate_key(struct brw_context *brw, struct brw_sf_unit_key *key)
key->line_last_pixel_enable = rast->line_last_pixel;
key->gl_rasterization_rules = rast->gl_rasterization_rules;
key->point_sprite = rast->point_sprite;
key->point_sprite = rast->sprite_coord_enable ? 1 : 0;
key->point_attenuated = rast->point_size_per_vertex;
key->point_size = rast->point_size;

4
src/gallium/drivers/nv10/nv10_state.c
View File

@@ -299,10 +299,10 @@ nv10_rasterizer_state_create(struct pipe_context *pipe,
break;
}
if (cso->point_sprite) {
if (cso->sprite_coord_enable) {
rs->point_sprite = (1 << 0);
for (i = 0; i < 8; i++) {
if (cso->sprite_coord_mode[i] != PIPE_SPRITE_COORD_NONE)
if ((cso->sprite_coord_enable >> i) & 1)
rs->point_sprite |= (1 << (8 + i));
}
} else {

4
src/gallium/drivers/nv20/nv20_state.c
View File

@@ -292,10 +292,10 @@ nv20_rasterizer_state_create(struct pipe_context *pipe,
break;
}
if (cso->point_sprite) {
if (cso->sprite_coord_enable) {
rs->point_sprite = (1 << 0);
for (i = 0; i < 8; i++) {
if (cso->sprite_coord_mode[i] != PIPE_SPRITE_COORD_NONE)
if ((cso->sprite_coord_enable >> i) & 1)
rs->point_sprite |= (1 << (8 + i));
}
} else {

4
src/gallium/drivers/nv30/nv30_state.c
View File

@@ -391,11 +391,11 @@ nv30_rasterizer_state_create(struct pipe_context *pipe,
}
so_method(so, rankine, NV34TCL_POINT_SPRITE, 1);
if (cso->point_sprite) {
if (cso->sprite_coord_enable) {
unsigned psctl = (1 << 0), i;
for (i = 0; i < 8; i++) {
if (cso->sprite_coord_mode[i] != PIPE_SPRITE_COORD_NONE)
if ((cso->sprite_coord_enable >> i) & 1)
psctl |= (1 << (8 + i));
}

4
src/gallium/drivers/nv40/nv40_state.c
View File

@@ -401,11 +401,11 @@ nv40_rasterizer_state_create(struct pipe_context *pipe,
}
so_method(so, curie, NV40TCL_POINT_SPRITE, 1);
if (cso->point_sprite) {
if (cso->sprite_coord_enable) {
unsigned psctl = (1 << 0), i;
for (i = 0; i < 8; i++) {
if (cso->sprite_coord_mode[i] != PIPE_SPRITE_COORD_NONE)
if ((cso->sprite_coord_enable >> i) & 1)
psctl |= (1 << (8 + i));
}

14
src/gallium/drivers/nv50/nv50_program.c
View File

@@ -4067,15 +4067,13 @@ nv50_pntc_replace(struct nv50_context *nv50, uint32_t pntc[8], unsigned base)
}
if (j < vp->info.num_outputs) {
ubyte mode =
nv50->rasterizer->pipe.sprite_coord_mode[si];
ubyte enable =
(nv50->rasterizer->pipe.sprite_coord_enable >> si) & 1;
if (mode == PIPE_SPRITE_COORD_NONE) {
if (enable == 0) {
m += n;
continue;
} else
if (mode == PIPE_SPRITE_COORD_LOWER_LEFT)
origin = 0;
}
}
/* this is either PointCoord or replaced by sprite coords */
@@ -4086,7 +4084,7 @@ nv50_pntc_replace(struct nv50_context *nv50, uint32_t pntc[8], unsigned base)
++m;
}
}
return origin;
return (nv50->rasterizer->pipe.sprite_coord_mode == PIPE_SPRITE_COORD_LOWER_LEFT ? 0 : origin);
}
static int
@@ -4202,7 +4200,7 @@ nv50_linkage_validate(struct nv50_context *nv50)
so_method(so, tesla, NV50TCL_NOPERSPECTIVE_BITMAP(0), 4);
so_datap (so, lin, 4);
if (nv50->rasterizer->pipe.point_sprite) {
if (nv50->rasterizer->pipe.sprite_coord_enable) {
so_method(so, tesla, NV50TCL_POINT_SPRITE_CTRL, 1);
so_data (so,
nv50_pntc_replace(nv50, pcrd, (reg[4] >> 8) & 0xff));

2
src/gallium/drivers/nv50/nv50_state.c
View File

@@ -318,7 +318,7 @@ nv50_rasterizer_state_create(struct pipe_context *pipe,
so_data (so, fui(cso->point_size));
so_method(so, tesla, NV50TCL_POINT_SPRITE_ENABLE, 1);
so_data (so, cso->point_sprite);
so_data (so, cso->sprite_coord_enable ? 1 : 0);
so_method(so, tesla, NV50TCL_POLYGON_MODE_FRONT, 3);
if (cso->front_winding == PIPE_WINDING_CCW) {

3
src/gallium/drivers/softpipe/sp_video_context.c
View File

@@ -167,7 +167,7 @@ init_pipe_state(struct sp_mpeg12_context *ctx)
rast.scissor = 0;
rast.poly_smooth = 0;
rast.poly_stipple_enable = 0;
rast.point_sprite = 0;
rast.sprite_coord_enable = 0;
rast.point_size_per_vertex = 0;
rast.multisample = 0;
rast.line_smooth = 0;
@@ -181,7 +181,6 @@ init_pipe_state(struct sp_mpeg12_context *ctx)
rast.point_size = 1;
rast.offset_units = 1;
rast.offset_scale = 1;
/*rast.sprite_coord_mode[i] = ;*/
ctx->rast = ctx->pipe->create_rasterizer_state(ctx->pipe, &rast);
ctx->pipe->bind_rasterizer_state(ctx->pipe, ctx->rast);

2
src/gallium/drivers/svga/svga_pipe_rasterizer.c
View File

@@ -71,7 +71,7 @@ svga_create_rasterizer_state(struct pipe_context *pipe,
/* light_twoside - XXX: need fragment shader varient */
/* poly_smooth - XXX: no fallback available */
/* poly_stipple_enable - draw module */
/* point_sprite - ? */
/* sprite_coord_enable - ? */
/* point_size_per_vertex - ? */
/* sprite_coord_mode - ??? */
/* bypass_vs_viewport_and_clip - handled by viewport setup */

5
src/gallium/drivers/trace/tr_dump_state.c
View File

@@ -112,7 +112,8 @@ void trace_dump_rasterizer_state(const struct pipe_rasterizer_state *state)
trace_dump_member(bool, state, poly_smooth);
trace_dump_member(bool, state, poly_stipple_enable);
trace_dump_member(bool, state, point_smooth);
trace_dump_member(bool, state, point_sprite);
trace_dump_member(uint, state, sprite_coord_enable);
trace_dump_member(bool, state, sprite_coord_mode);
trace_dump_member(bool, state, point_size_per_vertex);
trace_dump_member(bool, state, multisample);
trace_dump_member(bool, state, line_smooth);
@@ -129,8 +130,6 @@ void trace_dump_rasterizer_state(const struct pipe_rasterizer_state *state)
trace_dump_member(float, state, offset_units);
trace_dump_member(float, state, offset_scale);
trace_dump_member_array(uint, state, sprite_coord_mode);
trace_dump_struct_end();
}

5
src/gallium/include/pipe/p_defines.h
View File

@@ -364,9 +364,8 @@ enum pipe_transfer_usage {
/**
* Point sprite coord modes
*/
#define PIPE_SPRITE_COORD_NONE 0
#define PIPE_SPRITE_COORD_UPPER_LEFT 1
#define PIPE_SPRITE_COORD_LOWER_LEFT 2
#define PIPE_SPRITE_COORD_UPPER_LEFT 0
#define PIPE_SPRITE_COORD_LOWER_LEFT 1
/**

4
src/gallium/include/pipe/p_state.h
View File

@@ -101,7 +101,8 @@ struct pipe_rasterizer_state
unsigned poly_smooth:1;
unsigned poly_stipple_enable:1;
unsigned point_smooth:1;
unsigned point_sprite:1;
unsigned sprite_coord_enable:PIPE_MAX_SHADER_OUTPUTS;
unsigned sprite_coord_mode:1; /**< PIPE_SPRITE_COORD_ */
unsigned point_size_per_vertex:1; /**< size computed in vertex shader */
unsigned multisample:1; /* XXX maybe more ms state in future */
unsigned line_smooth:1;
@@ -143,7 +144,6 @@ 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_ */
};

2
src/gallium/state_trackers/python/retrace/interpreter.py
View File

@@ -113,7 +113,7 @@ struct_factories = {
member_array_factories = {
"pipe_rasterizer_state": {"sprite_coord_mode": gallium.ByteArray},
#"pipe_rasterizer_state": {"sprite_coord_mode": gallium.ByteArray},
"pipe_poly_stipple": {"stipple": gallium.UnsignedArray},
"pipe_viewport_state": {"scale": gallium.FloatArray, "translate": gallium.FloatArray},
#"pipe_clip_state": {"ucp": gallium.FloatArray},

17
src/mesa/state_tracker/st_atom_rasterizer.c
View File

@@ -188,18 +188,19 @@ 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.PointSprite && ctx->Point.SmoothFlag)
raster->point_smooth = 1;
if (ctx->Point.PointSprite) {
if ((ctx->Point.SpriteOrigin == GL_UPPER_LEFT) ^
(st_fb_orientation(ctx->DrawBuffer) == Y_0_BOTTOM))
raster->sprite_coord_mode[i] = PIPE_SPRITE_COORD_UPPER_LEFT;
raster->sprite_coord_mode = PIPE_SPRITE_COORD_UPPER_LEFT;
else
raster->sprite_coord_mode[i] = PIPE_SPRITE_COORD_LOWER_LEFT;
raster->sprite_coord_mode = PIPE_SPRITE_COORD_LOWER_LEFT;
for (i = 0; i < MAX_TEXTURE_COORD_UNITS; i++) {
if (ctx->Point.CoordReplace[i]) {
raster->sprite_coord_enable |= 1 << i;
}
else {
raster->sprite_coord_mode[i] = PIPE_SPRITE_COORD_NONE;
}
}