/**************************************************************************
*
- * 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.
/**
* \brief Primitive rasterization/rendering (points, lines, triangles)
*
- * \author Keith Whitwell <keith@tungstengraphics.com>
+ * \author Keith Whitwell <keithw@vmware.com>
* \author Brian Paul
*/
int facing;
float pixel_offset;
+ unsigned max_layer;
struct quad_header quad[MAX_QUADS];
struct quad_header *quad_ptrs[MAX_QUADS];
uint numFragsWritten; /**< per primitive */
#endif
- unsigned winding; /* which winding to cull */
+ unsigned cull_face; /* which faces cull */
unsigned nr_vertex_attrs;
};
-/**
- * Do triangle cull test using tri determinant (sign indicates orientation)
- * \return true if triangle is to be culled.
- */
-static INLINE boolean
-cull_tri(const struct setup_context *setup, float det)
-{
- if (det != 0) {
- /* if (det < 0 then Z points toward camera and triangle is
- * counter-clockwise winding.
- */
- unsigned winding = (det < 0) ? PIPE_WINDING_CCW : PIPE_WINDING_CW;
-
- if ((winding & setup->winding) == 0)
- return FALSE;
- }
-
- /* Culled:
- */
- return TRUE;
-}
if (quad->inout.mask) {
struct softpipe_context *sp = setup->softpipe;
+#if DEBUG_FRAGS
+ setup->numFragsEmitted += util_bitcount(quad->inout.mask);
+#endif
+
sp->quad.first->run( sp->quad.first, &quad, 1 );
}
}
setup->quad[q].inout.mask = quadmask;
setup->quad_ptrs[q] = &setup->quad[q];
q++;
+#if DEBUG_FRAGS
+ setup->numFragsEmitted += util_bitcount(quadmask);
+#endif
}
mask0 >>= 2;
mask1 >>= 2;
const float (*v1)[4],
const float (*v2)[4])
{
- setup->vprovoke = v2;
+ if (setup->softpipe->rasterizer->flatshade_first)
+ setup->vprovoke = v0;
+ else
+ setup->vprovoke = v2;
/* determine bottom to top order of vertices */
{
* 0 = front-facing, 1 = back-facing
*/
setup->facing =
- ((det > 0.0) ^
- (setup->softpipe->rasterizer->front_winding == PIPE_WINDING_CW));
+ ((det < 0.0) ^
+ (setup->softpipe->rasterizer->front_ccw));
+
+ {
+ unsigned face = setup->facing == 0 ? PIPE_FACE_FRONT : PIPE_FACE_BACK;
+
+ if (face & setup->cull_face)
+ return FALSE;
+ }
+
/* Prepare pixel offset for rasterisation:
* - pixel center (0.5, 0.5) for GL, or
* - assume (0.0, 0.0) for other APIs.
*/
- if (setup->softpipe->rasterizer->gl_rasterization_rules) {
+ if (setup->softpipe->rasterizer->half_pixel_center) {
setup->pixel_offset = 0.5f;
} else {
setup->pixel_offset = 0.0f;
coef->a0[i] = (v[0] -
(dadx * (setup->vmin[0][0] - setup->pixel_offset) +
dady * (setup->vmin[0][1] - setup->pixel_offset)));
-
- /*
- debug_printf("attr[%d].%c: %f dx:%f dy:%f\n",
- slot, "xyzw"[i],
- setup->coef[slot].a0[i],
- setup->coef[slot].dadx[i],
- setup->coef[slot].dady[i]);
- */
}
float dadx = a * setup->oneoverarea;
float dady = b * setup->oneoverarea;
- /*
- debug_printf("tri persp %d,%d: %f %f %f\n", vertSlot, i,
- setup->vmin[vertSlot][i],
- setup->vmid[vertSlot][i],
- setup->vmax[vertSlot][i]
- );
- */
assert(i <= 3);
coef->dadx[i] = dadx;
static void
setup_fragcoord_coeff(struct setup_context *setup, uint slot)
{
- struct sp_fragment_shader* spfs = setup->softpipe->fs;
+ const struct tgsi_shader_info *fsInfo = &setup->softpipe->fs_variant->info;
+ boolean origin_lower_left =
+ fsInfo->properties[TGSI_PROPERTY_FS_COORD_ORIGIN];
+ boolean pixel_center_integer =
+ fsInfo->properties[TGSI_PROPERTY_FS_COORD_PIXEL_CENTER];
+
/*X*/
- setup->coef[slot].a0[0] = spfs->pixel_center_integer ? 0.0 : 0.5;
- setup->coef[slot].dadx[0] = 1.0;
- setup->coef[slot].dady[0] = 0.0;
+ setup->coef[slot].a0[0] = pixel_center_integer ? 0.0f : 0.5f;
+ setup->coef[slot].dadx[0] = 1.0f;
+ setup->coef[slot].dady[0] = 0.0f;
/*Y*/
setup->coef[slot].a0[1] =
- (spfs->origin_lower_left ? setup->softpipe->framebuffer.height : 0)
- + (spfs->pixel_center_integer ? 0.0 : 0.5);
- setup->coef[slot].dadx[1] = 0.0;
- setup->coef[slot].dady[1] = spfs->origin_lower_left ? -1.0 : 1.0;
+ (origin_lower_left ? setup->softpipe->framebuffer.height-1 : 0)
+ + (pixel_center_integer ? 0.0f : 0.5f);
+ setup->coef[slot].dadx[1] = 0.0f;
+ setup->coef[slot].dady[1] = origin_lower_left ? -1.0f : 1.0f;
/*Z*/
setup->coef[slot].a0[2] = setup->posCoef.a0[2];
setup->coef[slot].dadx[2] = setup->posCoef.dadx[2];
setup_tri_coefficients(struct setup_context *setup)
{
struct softpipe_context *softpipe = setup->softpipe;
- const struct sp_fragment_shader *spfs = softpipe->fs;
+ const struct tgsi_shader_info *fsInfo = &setup->softpipe->fs_variant->info;
const struct vertex_info *vinfo = softpipe_get_vertex_info(softpipe);
uint fragSlot;
float v[3];
/* setup interpolation for all the remaining attributes:
*/
- for (fragSlot = 0; fragSlot < spfs->info.num_inputs; fragSlot++) {
+ for (fragSlot = 0; fragSlot < fsInfo->num_inputs; fragSlot++) {
const uint vertSlot = vinfo->attrib[fragSlot].src_index;
uint j;
switch (vinfo->attrib[fragSlot].interp_mode) {
case INTERP_CONSTANT:
- for (j = 0; j < NUM_CHANNELS; j++)
+ for (j = 0; j < TGSI_NUM_CHANNELS; j++)
const_coeff(setup, &setup->coef[fragSlot], vertSlot, j);
break;
case INTERP_LINEAR:
- for (j = 0; j < NUM_CHANNELS; j++) {
+ for (j = 0; j < TGSI_NUM_CHANNELS; j++) {
tri_apply_cylindrical_wrap(setup->vmin[vertSlot][j],
setup->vmid[vertSlot][j],
setup->vmax[vertSlot][j],
- spfs->info.input_cylindrical_wrap[fragSlot] & (1 << j),
+ fsInfo->input_cylindrical_wrap[fragSlot] & (1 << j),
v);
tri_linear_coeff(setup, &setup->coef[fragSlot], j, v);
}
break;
case INTERP_PERSPECTIVE:
- for (j = 0; j < NUM_CHANNELS; j++) {
+ for (j = 0; j < TGSI_NUM_CHANNELS; j++) {
tri_apply_cylindrical_wrap(setup->vmin[vertSlot][j],
setup->vmid[vertSlot][j],
setup->vmax[vertSlot][j],
- spfs->info.input_cylindrical_wrap[fragSlot] & (1 << j),
+ fsInfo->input_cylindrical_wrap[fragSlot] & (1 << j),
v);
tri_persp_coeff(setup, &setup->coef[fragSlot], j, v);
}
assert(0);
}
- if (spfs->info.input_semantic_name[fragSlot] == TGSI_SEMANTIC_FACE) {
+ if (fsInfo->input_semantic_name[fragSlot] == TGSI_SEMANTIC_FACE) {
/* convert 0 to 1.0 and 1 to -1.0 */
setup->coef[fragSlot].a0[0] = setup->facing * -2.0f + 1.0f;
setup->coef[fragSlot].dadx[0] = 0.0;
setup->coef[fragSlot].dady[0] = 0.0;
}
+
+ if (0) {
+ for (j = 0; j < TGSI_NUM_CHANNELS; j++) {
+ debug_printf("attr[%d].%c: a0:%f dx:%f dy:%f\n",
+ fragSlot, "xyzw"[j],
+ setup->coef[fragSlot].a0[j],
+ setup->coef[fragSlot].dadx[j],
+ setup->coef[fragSlot].dady[j]);
+ }
+ }
}
}
const float (*v2)[4])
{
float det;
-
+ uint layer = 0;
#if DEBUG_VERTS
debug_printf("Setup triangle:\n");
print_vertex(setup, v0);
print_vertex(setup, v2);
#endif
- if (setup->softpipe->no_rast)
+ if (setup->softpipe->no_rast || setup->softpipe->rasterizer->rasterizer_discard)
return;
det = calc_det(v0, v1, v2);
setup->numFragsWritten = 0;
#endif
- if (cull_tri( setup, det ))
- return;
-
if (!setup_sort_vertices( setup, det, v0, v1, v2 ))
return;
+
setup_tri_coefficients( setup );
setup_tri_edges( setup );
setup->span.right[0] = 0;
setup->span.right[1] = 0;
/* setup->span.z_mode = tri_z_mode( setup->ctx ); */
+ if (setup->softpipe->layer_slot > 0) {
+ layer = *(unsigned *)v1[setup->softpipe->layer_slot];
+ layer = MIN2(layer, setup->max_layer);
+ }
+ setup->quad[0].input.layer = layer;
/* init_constant_attribs( setup ); */
flush_spans( setup );
+ if (setup->softpipe->active_statistics_queries) {
+ setup->softpipe->pipeline_statistics.c_primitives++;
+ }
+
#if DEBUG_FRAGS
printf("Tri: %u frags emitted, %u written\n",
setup->numFragsEmitted,
const float (*v1)[4])
{
struct softpipe_context *softpipe = setup->softpipe;
- const struct sp_fragment_shader *spfs = softpipe->fs;
+ const struct tgsi_shader_info *fsInfo = &setup->softpipe->fs_variant->info;
const struct vertex_info *vinfo = softpipe_get_vertex_info(softpipe);
uint fragSlot;
float area;
/* setup interpolation for all the remaining attributes:
*/
- for (fragSlot = 0; fragSlot < spfs->info.num_inputs; fragSlot++) {
+ for (fragSlot = 0; fragSlot < fsInfo->num_inputs; fragSlot++) {
const uint vertSlot = vinfo->attrib[fragSlot].src_index;
uint j;
switch (vinfo->attrib[fragSlot].interp_mode) {
case INTERP_CONSTANT:
- for (j = 0; j < NUM_CHANNELS; j++)
+ for (j = 0; j < TGSI_NUM_CHANNELS; j++)
const_coeff(setup, &setup->coef[fragSlot], vertSlot, j);
break;
case INTERP_LINEAR:
- for (j = 0; j < NUM_CHANNELS; j++) {
+ for (j = 0; j < TGSI_NUM_CHANNELS; j++) {
line_apply_cylindrical_wrap(setup->vmin[vertSlot][j],
setup->vmax[vertSlot][j],
- spfs->info.input_cylindrical_wrap[fragSlot] & (1 << j),
+ fsInfo->input_cylindrical_wrap[fragSlot] & (1 << j),
v);
line_linear_coeff(setup, &setup->coef[fragSlot], j, v);
}
break;
case INTERP_PERSPECTIVE:
- for (j = 0; j < NUM_CHANNELS; j++) {
+ for (j = 0; j < TGSI_NUM_CHANNELS; j++) {
line_apply_cylindrical_wrap(setup->vmin[vertSlot][j],
setup->vmax[vertSlot][j],
- spfs->info.input_cylindrical_wrap[fragSlot] & (1 << j),
+ fsInfo->input_cylindrical_wrap[fragSlot] & (1 << j),
v);
line_persp_coeff(setup, &setup->coef[fragSlot], j, v);
}
assert(0);
}
- if (spfs->info.input_semantic_name[fragSlot] == TGSI_SEMANTIC_FACE) {
+ if (fsInfo->input_semantic_name[fragSlot] == TGSI_SEMANTIC_FACE) {
/* convert 0 to 1.0 and 1 to -1.0 */
setup->coef[fragSlot].a0[0] = setup->facing * -2.0f + 1.0f;
setup->coef[fragSlot].dadx[0] = 0.0;
int dx = x1 - x0;
int dy = y1 - y0;
int xstep, ystep;
+ uint layer = 0;
#if DEBUG_VERTS
debug_printf("Setup line:\n");
print_vertex(setup, v1);
#endif
- if (setup->softpipe->no_rast)
+ if (setup->softpipe->no_rast || setup->softpipe->rasterizer->rasterizer_discard)
return;
if (dx == 0 && dy == 0)
setup->quad[0].input.x0 = setup->quad[0].input.y0 = -1;
setup->quad[0].inout.mask = 0x0;
+ if (setup->softpipe->layer_slot > 0) {
+ layer = *(unsigned *)v1[setup->softpipe->layer_slot];
+ layer = MIN2(layer, setup->max_layer);
+ }
+ setup->quad[0].input.layer = layer;
/* XXX temporary: set coverage to 1.0 so the line appears
* if AA mode happens to be enabled.
const float (*v0)[4])
{
struct softpipe_context *softpipe = setup->softpipe;
- const struct sp_fragment_shader *spfs = softpipe->fs;
+ const struct tgsi_shader_info *fsInfo = &setup->softpipe->fs_variant->info;
const int sizeAttr = setup->softpipe->psize_slot;
const float size
= sizeAttr > 0 ? v0[sizeAttr][0]
const float y = v0[0][1];
const struct vertex_info *vinfo = softpipe_get_vertex_info(softpipe);
uint fragSlot;
-
+ uint layer = 0;
#if DEBUG_VERTS
debug_printf("Setup point:\n");
print_vertex(setup, v0);
#endif
- if (softpipe->no_rast)
+ if (setup->softpipe->no_rast || setup->softpipe->rasterizer->rasterizer_discard)
return;
assert(setup->softpipe->reduced_prim == PIPE_PRIM_POINTS);
+ if (setup->softpipe->layer_slot > 0) {
+ layer = *(unsigned *)v0[setup->softpipe->layer_slot];
+ layer = MIN2(layer, setup->max_layer);
+ }
+ setup->quad[0].input.layer = layer;
+
/* For points, all interpolants are constant-valued.
* However, for point sprites, we'll need to setup texcoords appropriately.
* XXX: which coefficients are the texcoords???
const_coeff(setup, &setup->posCoef, 0, 2);
const_coeff(setup, &setup->posCoef, 0, 3);
- for (fragSlot = 0; fragSlot < spfs->info.num_inputs; fragSlot++) {
+ for (fragSlot = 0; fragSlot < fsInfo->num_inputs; fragSlot++) {
const uint vertSlot = vinfo->attrib[fragSlot].src_index;
uint j;
case INTERP_CONSTANT:
/* fall-through */
case INTERP_LINEAR:
- for (j = 0; j < NUM_CHANNELS; j++)
+ for (j = 0; j < TGSI_NUM_CHANNELS; j++)
const_coeff(setup, &setup->coef[fragSlot], vertSlot, j);
break;
case INTERP_PERSPECTIVE:
- for (j = 0; j < NUM_CHANNELS; j++)
+ for (j = 0; j < TGSI_NUM_CHANNELS; j++)
point_persp_coeff(setup, setup->vprovoke,
&setup->coef[fragSlot], vertSlot, j);
break;
assert(0);
}
- if (spfs->info.input_semantic_name[fragSlot] == TGSI_SEMANTIC_FACE) {
+ if (fsInfo->input_semantic_name[fragSlot] == TGSI_SEMANTIC_FACE) {
/* convert 0 to 1.0 and 1 to -1.0 */
setup->coef[fragSlot].a0[0] = setup->facing * -2.0f + 1.0f;
setup->coef[fragSlot].dadx[0] = 0.0;
sp_setup_prepare(struct setup_context *setup)
{
struct softpipe_context *sp = setup->softpipe;
-
+ int i;
+ unsigned max_layer = ~0;
if (sp->dirty) {
- softpipe_update_derived(sp);
+ softpipe_update_derived(sp, sp->reduced_api_prim);
}
/* Note: nr_attrs is only used for debugging (vertex printing) */
setup->nr_vertex_attrs = draw_num_shader_outputs(sp->draw);
+ /*
+ * Determine how many layers the fb has (used for clamping layer value).
+ * OpenGL (but not d3d10) permits different amount of layers per rt, however
+ * results are undefined if layer exceeds the amount of layers of ANY
+ * attachment hence don't need separate per cbuf and zsbuf max.
+ */
+ for (i = 0; i < setup->softpipe->framebuffer.nr_cbufs; i++) {
+ struct pipe_surface *cbuf = setup->softpipe->framebuffer.cbufs[i];
+ if (cbuf) {
+ max_layer = MIN2(max_layer,
+ cbuf->u.tex.last_layer - cbuf->u.tex.first_layer);
+
+ }
+ }
+
+ setup->max_layer = max_layer;
+
sp->quad.first->begin( sp->quad.first );
if (sp->reduced_api_prim == PIPE_PRIM_TRIANGLES &&
- sp->rasterizer->fill_cw == PIPE_POLYGON_MODE_FILL &&
- sp->rasterizer->fill_ccw == PIPE_POLYGON_MODE_FILL) {
+ sp->rasterizer->fill_front == PIPE_POLYGON_MODE_FILL &&
+ sp->rasterizer->fill_back == PIPE_POLYGON_MODE_FILL) {
/* we'll do culling */
- setup->winding = sp->rasterizer->cull_mode;
+ setup->cull_face = sp->rasterizer->cull_face;
}
else {
/* 'draw' will do culling */
- setup->winding = PIPE_WINDING_NONE;
+ setup->cull_face = PIPE_FACE_NONE;
}
}
projects / mesa.git / blobdiff