*/
#include "draw/draw_context.h"
+#include "draw/draw_gs.h"
#include "draw/draw_private.h"
#include "draw/draw_pt.h"
+#include "draw/draw_vs.h"
#include "tgsi/tgsi_dump.h"
#include "util/u_math.h"
#include "util/u_prim.h"
-
-static unsigned trim( unsigned count, unsigned first, unsigned incr )
-{
- if (count < first)
- return 0;
- return count - (count - first) % incr;
-}
+#include "util/u_format.h"
+#include "util/u_draw.h"
+DEBUG_GET_ONCE_BOOL_OPTION(draw_fse, "DRAW_FSE", FALSE)
+DEBUG_GET_ONCE_BOOL_OPTION(draw_no_fse, "DRAW_NO_FSE", FALSE)
/* Overall we split things into:
- * - frontend -- prepare fetch_elts, draw_elts - eg vcache
+ * - frontend -- prepare fetch_elts, draw_elts - eg vsplit
* - middle -- fetch, shade, cliptest, viewport
* - pipeline -- the prim pipeline: clipping, wide lines, etc
* - backend -- the vbuf_render provided by the driver.
{
unsigned first, incr;
draw_pt_split_prim(prim, &first, &incr);
- count = trim(count, first, incr);
+ count = draw_pt_trim_count(count, first, incr);
if (count < first)
return TRUE;
}
if (!draw->force_passthrough) {
+ unsigned gs_out_prim = (draw->gs.geometry_shader ?
+ draw->gs.geometry_shader->output_primitive :
+ prim);
+
if (!draw->render) {
opt |= PT_PIPELINE;
}
-
+
if (draw_need_pipeline(draw,
draw->rasterizer,
- prim)) {
+ gs_out_prim)) {
opt |= PT_PIPELINE;
}
- if (!draw->bypass_clipping && !draw->pt.test_fse) {
+ if ((draw->clip_xy ||
+ draw->clip_z ||
+ draw->clip_user) && !draw->pt.test_fse) {
opt |= PT_CLIPTEST;
}
-
+
opt |= PT_SHADE;
}
-
- if (opt == 0)
- middle = draw->pt.middle.fetch_emit;
- else if (opt == PT_SHADE && !draw->pt.no_fse)
- middle = draw->pt.middle.fetch_shade_emit;
- else
- middle = draw->pt.middle.general;
-
- /* Pick the right frontend
- */
- if (draw->pt.user.elts || (opt & PT_PIPELINE)) {
- frontend = draw->pt.front.vcache;
+ if (draw->pt.middle.llvm) {
+ middle = draw->pt.middle.llvm;
} else {
- frontend = draw->pt.front.varray;
+ if (opt == 0)
+ middle = draw->pt.middle.fetch_emit;
+ else if (opt == PT_SHADE && !draw->pt.no_fse)
+ middle = draw->pt.middle.fetch_shade_emit;
+ else
+ middle = draw->pt.middle.general;
}
+ frontend = draw->pt.front.vsplit;
+
frontend->prepare( frontend, prim, middle, opt );
- frontend->run(frontend,
- draw_pt_elt_func(draw),
- draw_pt_elt_ptr(draw, start),
- count);
+ frontend->run(frontend, start, count);
frontend->finish( frontend );
boolean draw_pt_init( struct draw_context *draw )
{
- draw->pt.test_fse = debug_get_bool_option("DRAW_FSE", FALSE);
- draw->pt.no_fse = debug_get_bool_option("DRAW_NO_FSE", FALSE);
+ draw->pt.test_fse = debug_get_option_draw_fse();
+ draw->pt.no_fse = debug_get_option_draw_no_fse();
- draw->pt.front.vcache = draw_pt_vcache( draw );
- if (!draw->pt.front.vcache)
- return FALSE;
-
- draw->pt.front.varray = draw_pt_varray(draw);
- if (!draw->pt.front.varray)
+ draw->pt.front.vsplit = draw_pt_vsplit(draw);
+ if (!draw->pt.front.vsplit)
return FALSE;
draw->pt.middle.fetch_emit = draw_pt_fetch_emit( draw );
if (!draw->pt.middle.general)
return FALSE;
+#if HAVE_LLVM
+ if (draw->llvm)
+ draw->pt.middle.llvm = draw_pt_fetch_pipeline_or_emit_llvm( draw );
+#endif
+
return TRUE;
}
void draw_pt_destroy( struct draw_context *draw )
{
+ if (draw->pt.middle.llvm) {
+ draw->pt.middle.llvm->destroy( draw->pt.middle.llvm );
+ draw->pt.middle.llvm = NULL;
+ }
+
if (draw->pt.middle.general) {
draw->pt.middle.general->destroy( draw->pt.middle.general );
draw->pt.middle.general = NULL;
draw->pt.middle.fetch_shade_emit = NULL;
}
- if (draw->pt.front.vcache) {
- draw->pt.front.vcache->destroy( draw->pt.front.vcache );
- draw->pt.front.vcache = NULL;
- }
-
- if (draw->pt.front.varray) {
- draw->pt.front.varray->destroy( draw->pt.front.varray );
- draw->pt.front.varray = NULL;
+ if (draw->pt.front.vsplit) {
+ draw->pt.front.vsplit->destroy( draw->pt.front.vsplit );
+ draw->pt.front.vsplit = NULL;
}
}
uint ii = 0;
uint j;
- if (draw->pt.user.elts) {
+ if (draw->pt.user.eltSize) {
+ const char *elts;
+
/* indexed arrays */
+ elts = (const char *) draw->pt.user.elts;
+ elts += draw->pt.index_buffer.offset;
+
switch (draw->pt.user.eltSize) {
case 1:
{
- const ubyte *elem = (const ubyte *) draw->pt.user.elts;
+ const ubyte *elem = (const ubyte *) elts;
ii = elem[start + i];
}
break;
case 2:
{
- const ushort *elem = (const ushort *) draw->pt.user.elts;
+ const ushort *elem = (const ushort *) elts;
ii = elem[start + i];
}
break;
case 4:
{
- const uint *elem = (const uint *) draw->pt.user.elts;
+ const uint *elem = (const uint *) elts;
ii = elem[start + i];
}
break;
default:
assert(0);
+ return;
}
- debug_printf("Element[%u + %u] -> Vertex %u:\n", start, i, ii);
+ ii += draw->pt.user.eltBias;
+ debug_printf("Element[%u + %u] + %i -> Vertex %u:\n", start, i,
+ draw->pt.user.eltBias, ii);
}
else {
/* non-indexed arrays */
for (j = 0; j < draw->pt.nr_vertex_elements; j++) {
uint buf = draw->pt.vertex_element[j].vertex_buffer_index;
ubyte *ptr = (ubyte *) draw->pt.user.vbuffer[buf];
+
+ if (draw->pt.vertex_element[j].instance_divisor) {
+ ii = draw->instance_id / draw->pt.vertex_element[j].instance_divisor;
+ }
+
+ ptr += draw->pt.vertex_buffer[buf].buffer_offset;
ptr += draw->pt.vertex_buffer[buf].stride * ii;
ptr += draw->pt.vertex_element[j].src_offset;
case PIPE_FORMAT_R32_FLOAT:
{
float *v = (float *) ptr;
- debug_printf("%f @ %p\n", v[0], (void *) v);
+ debug_printf("R %f @ %p\n", v[0], (void *) v);
}
break;
case PIPE_FORMAT_R32G32_FLOAT:
{
float *v = (float *) ptr;
- debug_printf("%f %f @ %p\n", v[0], v[1], (void *) v);
+ debug_printf("RG %f %f @ %p\n", v[0], v[1], (void *) v);
}
break;
case PIPE_FORMAT_R32G32B32_FLOAT:
{
float *v = (float *) ptr;
- debug_printf("%f %f %f @ %p\n", v[0], v[1], v[2], (void *) v);
+ debug_printf("RGB %f %f %f @ %p\n", v[0], v[1], v[2], (void *) v);
}
break;
case PIPE_FORMAT_R32G32B32A32_FLOAT:
{
float *v = (float *) ptr;
- debug_printf("%f %f %f %f @ %p\n", v[0], v[1], v[2], v[3],
+ debug_printf("RGBA %f %f %f %f @ %p\n", v[0], v[1], v[2], v[3],
(void *) v);
}
break;
+ case PIPE_FORMAT_B8G8R8A8_UNORM:
+ {
+ ubyte *u = (ubyte *) ptr;
+ debug_printf("BGRA %d %d %d %d @ %p\n", u[0], u[1], u[2], u[3],
+ (void *) u);
+ }
+ break;
default:
- debug_printf("other format (fix me)\n");
- ;
+ debug_printf("other format %s (fix me)\n",
+ util_format_name(draw->pt.vertex_element[j].src_format));
+ }
+ }
+ }
+}
+
+
+/** Helper code for below */
+#define PRIM_RESTART_LOOP(elements) \
+ do { \
+ for (i = start; i < end; i++) { \
+ if (elements[i] == info->restart_index) { \
+ if (cur_count > 0) { \
+ /* draw elts up to prev pos */ \
+ draw_pt_arrays(draw, prim, cur_start, cur_count); \
+ } \
+ /* begin new prim at next elt */ \
+ cur_start = i + 1; \
+ cur_count = 0; \
+ } \
+ else { \
+ cur_count++; \
+ } \
+ } \
+ if (cur_count > 0) { \
+ draw_pt_arrays(draw, prim, cur_start, cur_count); \
+ } \
+ } while (0)
+
+
+/**
+ * For drawing prims with primitive restart enabled.
+ * Scan for restart indexes and draw the runs of elements/vertices between
+ * the restarts.
+ */
+static void
+draw_pt_arrays_restart(struct draw_context *draw,
+ const struct pipe_draw_info *info)
+{
+ const unsigned prim = info->mode;
+ const unsigned start = info->start;
+ const unsigned count = info->count;
+ const unsigned end = start + count;
+ unsigned i, cur_start, cur_count;
+
+ assert(info->primitive_restart);
+
+ if (draw->pt.user.elts) {
+ /* indexed prims (draw_elements) */
+ cur_start = start;
+ cur_count = 0;
+
+ switch (draw->pt.user.eltSize) {
+ case 1:
+ {
+ const ubyte *elt_ub = (const ubyte *) draw->pt.user.elts;
+ PRIM_RESTART_LOOP(elt_ub);
}
+ break;
+ case 2:
+ {
+ const ushort *elt_us = (const ushort *) draw->pt.user.elts;
+ PRIM_RESTART_LOOP(elt_us);
+ }
+ break;
+ case 4:
+ {
+ const uint *elt_ui = (const uint *) draw->pt.user.elts;
+ PRIM_RESTART_LOOP(elt_ui);
+ }
+ break;
+ default:
+ assert(0 && "bad eltSize in draw_arrays()");
}
}
+ else {
+ /* Non-indexed prims (draw_arrays).
+ * Primitive restart should have been handled in the state tracker.
+ */
+ draw_pt_arrays(draw, prim, start, count);
+ }
}
+
/**
- * Draw vertex arrays
- * This is the main entrypoint into the drawing module.
- * \param prim one of PIPE_PRIM_x
- * \param start index of first vertex to draw
- * \param count number of vertices to draw
+ * Non-instanced drawing.
+ * \sa draw_arrays_instanced
*/
void
draw_arrays(struct draw_context *draw, unsigned prim,
draw_arrays_instanced(draw, prim, start, count, 0, 1);
}
+
+/**
+ * Instanced drawing.
+ * \sa draw_vbo
+ */
void
draw_arrays_instanced(struct draw_context *draw,
unsigned mode,
unsigned startInstance,
unsigned instanceCount)
{
- unsigned reduced_prim = u_reduced_prim(mode);
+ struct pipe_draw_info info;
+
+ util_draw_init_info(&info);
+
+ info.mode = mode;
+ info.start = start;
+ info.count = count;
+ info.start_instance = startInstance;
+ info.instance_count = instanceCount;
+
+ info.indexed = (draw->pt.user.elts != NULL);
+ if (!info.indexed) {
+ info.min_index = start;
+ info.max_index = start + count - 1;
+ }
+
+ draw_vbo(draw, &info);
+}
+
+
+/**
+ * Draw vertex arrays.
+ * This is the main entrypoint into the drawing module. If drawing an indexed
+ * primitive, the draw_set_index_buffer() and draw_set_mapped_index_buffer()
+ * functions should have already been called to specify the element/index
+ * buffer information.
+ */
+void
+draw_vbo(struct draw_context *draw,
+ const struct pipe_draw_info *info)
+{
+ unsigned reduced_prim = u_reduced_prim(info->mode);
unsigned instance;
+ unsigned index_limit;
+
+ assert(info->instance_count > 0);
+ if (info->indexed)
+ assert(draw->pt.user.elts);
+
+ draw->pt.user.eltSize =
+ (info->indexed) ? draw->pt.index_buffer.index_size : 0;
+
+ draw->pt.user.eltBias = info->index_bias;
+ draw->pt.user.min_index = info->min_index;
+ draw->pt.user.max_index = info->max_index;
if (reduced_prim != draw->reduced_prim) {
draw_do_flush(draw, DRAW_FLUSH_STATE_CHANGE);
}
if (0)
- draw_print_arrays(draw, mode, start, MIN2(count, 20));
+ debug_printf("draw_vbo(mode=%u start=%u count=%u):\n",
+ info->mode, info->start, info->count);
-#if 0
- {
- int i;
- debug_printf("draw_arrays(mode=%u start=%u count=%u):\n",
- mode, start, count);
+ if (0)
tgsi_dump(draw->vs.vertex_shader->state.tokens, 0);
+
+ if (0) {
+ unsigned int i;
debug_printf("Elements:\n");
for (i = 0; i < draw->pt.nr_vertex_elements; i++) {
- debug_printf(" format=%s\n",
+ debug_printf(" %u: src_offset=%u inst_div=%u vbuf=%u format=%s\n",
+ i,
+ draw->pt.vertex_element[i].src_offset,
+ draw->pt.vertex_element[i].instance_divisor,
+ draw->pt.vertex_element[i].vertex_buffer_index,
util_format_name(draw->pt.vertex_element[i].src_format));
}
debug_printf("Buffers:\n");
for (i = 0; i < draw->pt.nr_vertex_buffers; i++) {
- debug_printf(" stride=%u offset=%u ptr=%p\n",
+ debug_printf(" %u: stride=%u offset=%u ptr=%p\n",
+ i,
draw->pt.vertex_buffer[i].stride,
draw->pt.vertex_buffer[i].buffer_offset,
draw->pt.user.vbuffer[i]);
}
}
-#endif
- for (instance = 0; instance < instanceCount; instance++) {
- draw->instance_id = instance + startInstance;
- draw_pt_arrays(draw, mode, start, count);
+ if (0)
+ draw_print_arrays(draw, info->mode, info->start, MIN2(info->count, 20));
+
+ index_limit = util_draw_max_index(draw->pt.vertex_buffer,
+ draw->pt.nr_vertex_buffers,
+ draw->pt.vertex_element,
+ draw->pt.nr_vertex_elements,
+ info);
+
+ if (index_limit == 0) {
+ /* one of the buffers is too small to do any valid drawing */
+ debug_warning("draw: VBO too small to draw anything\n");
+ return;
+ }
+
+ draw->pt.max_index = index_limit - 1;
+
+
+ /*
+ * TODO: We could use draw->pt.max_index to further narrow
+ * the min_index/max_index hints given by the state tracker.
+ */
+
+ for (instance = 0; instance < info->instance_count; instance++) {
+ draw->instance_id = instance + info->start_instance;
+
+ if (info->primitive_restart) {
+ draw_pt_arrays_restart(draw, info);
+ }
+ else {
+ draw_pt_arrays(draw, info->mode, info->start, info->count);
+ }
}
}