/**************************************************************************
*
- * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * Copyright 2007 VMware, Inc.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
- * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
#include "lp_rast.h"
#include "lp_state_fs.h"
#include "lp_state_setup.h"
+#include "lp_context.h"
+#include "draw/draw_context.h"
#define NUM_CHANNELS 4
float dx;
float dy;
float oneoverarea;
+ boolean frontfacing;
const float (*v1)[4];
const float (*v2)[4];
case LP_INTERP_FACING:
for (i = 0; i < NUM_CHANNELS; i++)
if (usage_mask & (1 << i))
- constant_coef(setup, info, slot+1, 1.0, i);
+ constant_coef(setup, info, slot+1,
+ info->frontfacing ? 1.0f : -1.0f, i);
break;
default:
const float (*v1)[4],
const float (*v2)[4])
{
+ struct llvmpipe_context *lp_context = (struct llvmpipe_context *)setup->pipe;
struct lp_scene *scene = setup->scene;
const struct lp_setup_variant_key *key = &setup->setup.variant->key;
struct lp_rast_triangle *line;
int y[4];
int i;
int nr_planes = 4;
+ unsigned viewport_index = 0;
+ unsigned layer = 0;
/* linewidth should be interpreted as integer */
int fixed_width = util_iround(width) * FIXED_ONE;
if (setup->scissor_test) {
nr_planes = 8;
+ if (setup->viewport_index_slot > 0) {
+ unsigned *udata = (unsigned*)v1[setup->viewport_index_slot];
+ viewport_index = lp_clamp_viewport_idx(*udata);
+ }
}
else {
nr_planes = 4;
}
+ if (setup->layer_slot > 0) {
+ layer = *(unsigned*)v1[setup->layer_slot];
+ layer = MIN2(layer, scene->fb_max_layer);
+ }
dx = v1[0][0] - v2[0][0];
dy = v1[0][1] - v2[0][1];
y[3] = subpixel_snap(v1[0][1] + y_offset - setup->pixel_offset);
}
-
-
- LP_COUNT(nr_tris);
-
-
/* Bounding rectangle (in pixels) */
{
/* Yes this is necessary to accurately calculate bounding boxes
* up needing a bottom-left fill convention, which requires
* slightly different rounding.
*/
- int adj = (setup->pixel_offset != 0) ? 1 : 0;
+ int adj = (setup->bottom_edge_rule != 0) ? 1 : 0;
bbox.x0 = (MIN4(x[0], x[1], x[2], x[3]) + (FIXED_ONE-1)) >> FIXED_ORDER;
bbox.x1 = (MAX4(x[0], x[1], x[2], x[3]) + (FIXED_ONE-1)) >> FIXED_ORDER;
return TRUE;
}
- if (!u_rect_test_intersection(&setup->draw_region, &bbox)) {
+ if (!u_rect_test_intersection(&setup->draw_regions[viewport_index], &bbox)) {
if (0) debug_printf("offscreen\n");
LP_COUNT(nr_culled_tris);
return TRUE;
}
- u_rect_find_intersection(&setup->draw_region, &bbox);
+ /* Can safely discard negative regions:
+ */
+ bbox.x0 = MAX2(bbox.x0, 0);
+ bbox.y0 = MAX2(bbox.y0, 0);
line = lp_setup_alloc_triangle(scene,
key->num_inputs,
line->v[1][1] = v2[0][1];
#endif
+ LP_COUNT(nr_tris);
+
+ if (lp_context->active_statistics_queries &&
+ !llvmpipe_rasterization_disabled(lp_context)) {
+ lp_context->pipeline_statistics.c_primitives++;
+ }
+
/* calculate the deltas */
plane = GET_PLANES(line);
plane[0].dcdy = x[0] - x[1];
plane[2].dcdx = y[2] - y[3];
plane[3].dcdx = y[3] - y[0];
+ if (draw_will_inject_frontface(lp_context->draw) &&
+ setup->face_slot > 0) {
+ line->inputs.frontfacing = v1[setup->face_slot][0];
+ } else {
+ line->inputs.frontfacing = TRUE;
+ }
/* Setup parameter interpolants:
*/
info.a0 = GET_A0(&line->inputs);
info.dadx = GET_DADX(&line->inputs);
info.dady = GET_DADY(&line->inputs);
+ info.frontfacing = line->inputs.frontfacing;
setup_line_coefficients(setup, &info);
- line->inputs.frontfacing = TRUE;
line->inputs.disable = FALSE;
line->inputs.opaque = FALSE;
+ line->inputs.layer = layer;
+ line->inputs.viewport_index = viewport_index;
for (i = 0; i < 4; i++) {
/* half-edge constants, will be interated over the whole render
* target.
*/
- plane[i].c = plane[i].dcdx * x[i] - plane[i].dcdy * y[i];
+ plane[i].c = IMUL64(plane[i].dcdx, x[i]) - IMUL64(plane[i].dcdy, y[i]);
/* correct for top-left vs. bottom-left fill convention.
- *
- * note that we're overloading gl_rasterization_rules to mean
- * both (0.5,0.5) pixel centers *and* bottom-left filling
- * convention.
- *
- * GL actually has a top-left filling convention, but GL's
- * notion of "top" differs from gallium's...
- *
- * Also, sometimes (in FBO cases) GL will render upside down
- * to its usual method, in which case it will probably want
- * to use the opposite, top-left convention.
*/
if (plane[i].dcdx < 0) {
/* both fill conventions want this - adjust for left edges */
* these planes elsewhere.
*/
if (nr_planes == 8) {
+ const struct u_rect *scissor =
+ &setup->scissors[viewport_index];
+
plane[4].dcdx = -1;
plane[4].dcdy = 0;
- plane[4].c = 1-bbox.x0;
+ plane[4].c = 1-scissor->x0;
plane[4].eo = 1;
plane[5].dcdx = 1;
plane[5].dcdy = 0;
- plane[5].c = bbox.x1+1;
+ plane[5].c = scissor->x1+1;
plane[5].eo = 0;
plane[6].dcdx = 0;
plane[6].dcdy = 1;
- plane[6].c = 1-bbox.y0;
+ plane[6].c = 1-scissor->y0;
plane[6].eo = 1;
plane[7].dcdx = 0;
plane[7].dcdy = -1;
- plane[7].c = bbox.y1+1;
+ plane[7].c = scissor->y1+1;
plane[7].eo = 0;
}
- return lp_setup_bin_triangle(setup, line, &bbox, nr_planes);
+ return lp_setup_bin_triangle(setup, line, &bbox, nr_planes, viewport_index);
}
projects / mesa.git / blobdiff