*/
#include "util/u_memory.h"
+#include "util/u_math.h"
#include "pipe/p_defines.h"
#include "draw_private.h"
#include "draw_pipe.h"
#include "draw_context.h"
+#include "draw_vbuf.h"
static boolean points( unsigned prim )
{
}
/**
- * Check if we need any special pipeline stages, or whether
- * prims/verts can go through untouched. Don't test for bypass
- * clipping or vs modes, this function is just about the primitive
- * pipeline stages.
+ * Default version of a function to check if we need any special
+ * pipeline stages, or whether prims/verts can go through untouched.
+ * Don't test for bypass clipping or vs modes, this function is just
+ * about the primitive pipeline stages.
+ *
+ * This can be overridden by the driver.
*/
boolean
draw_need_pipeline(const struct draw_context *draw,
const struct pipe_rasterizer_state *rasterizer,
unsigned int prim )
{
+ /* If the driver has overridden this, use that version:
+ */
+ if (draw->render &&
+ draw->render->need_pipeline)
+ {
+ return draw->render->need_pipeline( draw->render,
+ rasterizer,
+ prim );
+ }
+
/* Don't have to worry about triangles turning into lines/points
* and triggering the pipeline, because we have to trigger the
* pipeline *anyway* if unfilled mode is active.
return TRUE;
/* wide lines */
- if (rasterizer->line_width > draw->pipeline.wide_line_threshold)
+ if (roundf(rasterizer->line_width) > draw->pipeline.wide_line_threshold)
return TRUE;
/* AA lines */
if (rasterizer->point_size > draw->pipeline.wide_point_threshold)
return TRUE;
+ /* sprite points */
+ if (rasterizer->point_quad_rasterization
+ && draw->pipeline.wide_point_sprites)
+ return TRUE;
+
/* AA points */
if (rasterizer->point_smooth && draw->pipeline.aapoint)
return TRUE;
/* point sprites */
- if (rasterizer->point_sprite && draw->pipeline.point_sprite)
+ if (rasterizer->sprite_coord_enable && draw->pipeline.point_sprite)
return TRUE;
}
return TRUE;
/* unfilled polygons */
- if (rasterizer->fill_cw != PIPE_POLYGON_MODE_FILL ||
- rasterizer->fill_ccw != PIPE_POLYGON_MODE_FILL)
+ if (rasterizer->fill_front != PIPE_POLYGON_MODE_FILL ||
+ rasterizer->fill_back != PIPE_POLYGON_MODE_FILL)
return TRUE;
/* polygon offset */
- if (rasterizer->offset_cw || rasterizer->offset_ccw)
+ if (rasterizer->offset_point ||
+ rasterizer->offset_line ||
+ rasterizer->offset_tri)
return TRUE;
/* two-side lighting */
{
struct draw_context *draw = stage->draw;
struct draw_stage *next = draw->pipeline.rasterize;
- int need_det = 0;
- int precalc_flat = 0;
+ boolean need_det = FALSE;
+ boolean precalc_flat = FALSE;
boolean wide_lines, wide_points;
+ const struct pipe_rasterizer_state *rast = draw->rasterizer;
/* Set the validate's next stage to the rasterize stage, so that it
* can be found later if needed for flushing.
stage->next = next;
/* drawing wide lines? */
- wide_lines = (draw->rasterizer->line_width > draw->pipeline.wide_line_threshold
- && !draw->rasterizer->line_smooth);
+ wide_lines = (roundf(rast->line_width) > draw->pipeline.wide_line_threshold
+ && !rast->line_smooth);
- /* drawing large points? */
- if (draw->rasterizer->point_sprite && draw->pipeline.point_sprite)
+ /* drawing large/sprite points (but not AA points)? */
+ if (rast->sprite_coord_enable && draw->pipeline.point_sprite)
wide_points = TRUE;
- else if (draw->rasterizer->point_smooth && draw->pipeline.aapoint)
+ else if (rast->point_smooth && draw->pipeline.aapoint)
wide_points = FALSE;
- else if (draw->rasterizer->point_size > draw->pipeline.wide_point_threshold)
+ else if (rast->point_size > draw->pipeline.wide_point_threshold)
+ wide_points = TRUE;
+ else if (rast->point_quad_rasterization && draw->pipeline.wide_point_sprites)
wide_points = TRUE;
else
wide_points = FALSE;
* shorter pipelines for lines & points.
*/
- if (draw->rasterizer->line_smooth && draw->pipeline.aaline) {
+ if (rast->line_smooth && draw->pipeline.aaline) {
draw->pipeline.aaline->next = next;
next = draw->pipeline.aaline;
+ precalc_flat = TRUE;
}
- if (draw->rasterizer->point_smooth && draw->pipeline.aapoint) {
+ if (rast->point_smooth && draw->pipeline.aapoint) {
draw->pipeline.aapoint->next = next;
next = draw->pipeline.aapoint;
}
if (wide_lines) {
draw->pipeline.wide_line->next = next;
next = draw->pipeline.wide_line;
- precalc_flat = 1;
+ precalc_flat = TRUE;
}
- if (wide_points || draw->rasterizer->point_sprite) {
+ if (wide_points) {
draw->pipeline.wide_point->next = next;
next = draw->pipeline.wide_point;
}
- if (draw->rasterizer->line_stipple_enable && draw->pipeline.line_stipple) {
+ if (rast->line_stipple_enable && draw->pipeline.line_stipple) {
draw->pipeline.stipple->next = next;
next = draw->pipeline.stipple;
- precalc_flat = 1; /* only needed for lines really */
+ precalc_flat = TRUE; /* only needed for lines really */
}
- if (draw->rasterizer->poly_stipple_enable
+ if (rast->poly_stipple_enable
&& draw->pipeline.pstipple) {
draw->pipeline.pstipple->next = next;
next = draw->pipeline.pstipple;
}
- if (draw->rasterizer->fill_cw != PIPE_POLYGON_MODE_FILL ||
- draw->rasterizer->fill_ccw != PIPE_POLYGON_MODE_FILL) {
+ if (rast->fill_front != PIPE_POLYGON_MODE_FILL ||
+ rast->fill_back != PIPE_POLYGON_MODE_FILL) {
draw->pipeline.unfilled->next = next;
next = draw->pipeline.unfilled;
- precalc_flat = 1; /* only needed for triangles really */
- need_det = 1;
+ precalc_flat = TRUE; /* only needed for triangles really */
+ need_det = TRUE;
}
- if (draw->rasterizer->flatshade && precalc_flat) {
+ if (rast->flatshade && precalc_flat) {
draw->pipeline.flatshade->next = next;
next = draw->pipeline.flatshade;
}
- if (draw->rasterizer->offset_cw ||
- draw->rasterizer->offset_ccw) {
+ if (rast->offset_point ||
+ rast->offset_line ||
+ rast->offset_tri) {
draw->pipeline.offset->next = next;
next = draw->pipeline.offset;
- need_det = 1;
+ need_det = TRUE;
}
- if (draw->rasterizer->light_twoside) {
+ if (rast->light_twoside) {
draw->pipeline.twoside->next = next;
next = draw->pipeline.twoside;
- need_det = 1;
+ need_det = TRUE;
}
/* Always run the cull stage as we calculate determinant there
* to less work emitting vertices, smaller vertex buffers, etc.
* It's difficult to say whether this will be true in general.
*/
- if (need_det || draw->rasterizer->cull_mode) {
+ if (need_det || rast->cull_face != PIPE_FACE_NONE) {
draw->pipeline.cull->next = next;
next = draw->pipeline.cull;
}
/* Clip stage
*/
- if (!draw->bypass_clipping)
+ if (draw->clip_xy || draw->clip_z || draw->clip_user)
{
draw->pipeline.clip->next = next;
next = draw->pipeline.clip;
draw->pipeline.first = next;
- return next;
+
+ if (0) {
+ debug_printf("draw pipeline:\n");
+ for (next = draw->pipeline.first; next ; next = next->next )
+ debug_printf(" %s\n", next->name);
+ debug_printf("\n");
+ }
+
+ return draw->pipeline.first;
}
static void validate_tri( struct draw_stage *stage,
return NULL;
stage->draw = draw;
+ stage->name = "validate";
stage->next = NULL;
stage->point = validate_point;
stage->line = validate_line;