*
**************************************************************************/
-#include "pipe/p_util.h"
+#include "util/u_math.h"
+#include "util/u_memory.h"
#include "draw/draw_context.h"
-#include "draw/draw_private.h"
#include "draw/draw_vbuf.h"
#include "draw/draw_vertex.h"
#include "draw/draw_pt.h"
+#include "draw/draw_vs.h"
+#include "translate/translate.h"
+
struct fetch_pipeline_middle_end {
struct draw_pt_middle_end base;
struct draw_context *draw;
- const ubyte *input_buf[2];
-
- struct {
- const ubyte **input_buf;
- unsigned input_offset;
- unsigned output_offset;
-
- void (*emit)( const float *attrib, void *ptr );
- } translate[PIPE_MAX_ATTRIBS];
- unsigned nr_translate;
+ struct pt_emit *emit;
+ struct pt_fetch *fetch;
+ struct pt_post_vs *post_vs;
- unsigned pipeline_vertex_size;
- unsigned hw_vertex_size;
+ unsigned vertex_data_offset;
+ unsigned vertex_size;
unsigned prim;
+ unsigned opt;
};
-static void emit_NULL( const float *attrib,
- void *ptr )
-{
-}
-
-static void emit_R32_FLOAT( const float *attrib,
- void *ptr )
-{
- float *out = (float *)ptr;
- out[0] = attrib[0];
-}
-
-static void emit_R32G32_FLOAT( const float *attrib,
- void *ptr )
-{
- float *out = (float *)ptr;
- out[0] = attrib[0];
- out[1] = attrib[1];
-}
-
-static void emit_R32G32B32_FLOAT( const float *attrib,
- void *ptr )
-{
- float *out = (float *)ptr;
- out[0] = attrib[0];
- out[1] = attrib[1];
- out[2] = attrib[2];
-}
-
-static void emit_R32G32B32A32_FLOAT( const float *attrib,
- void *ptr )
-{
- float *out = (float *)ptr;
- out[0] = attrib[0];
- out[1] = attrib[1];
- out[2] = attrib[2];
- out[3] = attrib[3];
-}
-
static void fetch_pipeline_prepare( struct draw_pt_middle_end *middle,
- unsigned prim )
+ unsigned prim,
+ unsigned opt,
+ unsigned *max_vertices )
{
struct fetch_pipeline_middle_end *fpme = (struct fetch_pipeline_middle_end *)middle;
struct draw_context *draw = fpme->draw;
- unsigned i;
- boolean ok;
- const struct vertex_info *vinfo;
- unsigned dst_offset;
+ struct draw_vertex_shader *vs = draw->vs.vertex_shader;
- fpme->prim = prim;
+ /* Add one to num_outputs because the pipeline occasionally tags on
+ * an additional texcoord, eg for AA lines.
+ */
+ unsigned nr = MAX2( vs->info.num_inputs,
+ vs->info.num_outputs + 1 );
- ok = draw->render->set_primitive(draw->render, prim);
- if (!ok) {
- assert(0);
- return;
- }
+ fpme->prim = prim;
+ fpme->opt = opt;
- /* Must do this after set_primitive() above:
+ /* Always leave room for the vertex header whether we need it or
+ * not. It's hard to get rid of it in particular because of the
+ * viewport code in draw_pt_post_vs.c.
*/
- vinfo = draw->render->get_vertex_info(draw->render);
+ fpme->vertex_size = sizeof(struct vertex_header) + nr * 4 * sizeof(float);
+
- /* In passthrough mode, need to translate from vertex shader
- * outputs to hw vertices.
+ draw_pt_fetch_prepare( fpme->fetch,
+ vs->info.num_inputs,
+ fpme->vertex_size );
+ /* XXX: it's not really gl rasterization rules we care about here,
+ * but gl vs dx9 clip spaces.
*/
- dst_offset = 0;
- for (i = 0; i < vinfo->num_attribs; i++) {
- unsigned emit_sz = 0;
- unsigned src_buffer = 0;
- unsigned src_offset = (sizeof(struct vertex_header) +
- vinfo->src_index[i] * 4 * sizeof(float) );
-
-
-
- switch (vinfo->emit[i]) {
- case EMIT_4F:
- fpme->translate[i].emit = emit_R32G32B32A32_FLOAT;
- emit_sz = 4 * sizeof(float);
- break;
- case EMIT_3F:
- fpme->translate[i].emit = emit_R32G32B32_FLOAT;
- emit_sz = 3 * sizeof(float);
- break;
- case EMIT_2F:
- fpme->translate[i].emit = emit_R32G32_FLOAT;
- emit_sz = 2 * sizeof(float);
- break;
- case EMIT_1F:
- fpme->translate[i].emit = emit_R32_FLOAT;
- emit_sz = 1 * sizeof(float);
- break;
- case EMIT_1F_PSIZE:
- fpme->translate[i].emit = emit_R32_FLOAT;
- emit_sz = 1 * sizeof(float);
- src_buffer = 1;
- src_offset = 0;
- break;
- default:
- assert(0);
- fpme->translate[i].emit = emit_NULL;
- emit_sz = 0;
- break;
- }
-
- fpme->translate[i].input_buf = &fpme->input_buf[src_buffer];
- fpme->translate[i].input_offset = src_offset;
- fpme->translate[i].output_offset = dst_offset;
- dst_offset += emit_sz;
+ draw_pt_post_vs_prepare( fpme->post_vs,
+ (boolean)draw->bypass_clipping,
+ (boolean)(draw->identity_viewport ||
+ draw->rasterizer->bypass_vs_clip_and_viewport),
+ (boolean)draw->rasterizer->gl_rasterization_rules );
+
+
+ if (!(opt & PT_PIPELINE)) {
+ draw_pt_emit_prepare( fpme->emit,
+ prim,
+ max_vertices );
+
+ *max_vertices = MAX2( *max_vertices,
+ DRAW_PIPE_MAX_VERTICES );
+ }
+ else {
+ *max_vertices = DRAW_PIPE_MAX_VERTICES;
}
- fpme->nr_translate = vinfo->num_attribs;
- fpme->hw_vertex_size = vinfo->size * 4;
+ /* return even number */
+ *max_vertices = *max_vertices & ~1;
- //fpme->pipeline_vertex_size = sizeof(struct vertex_header) + nr * 4 * sizeof(float);
- fpme->pipeline_vertex_size = MAX_VERTEX_ALLOCATION;
- fpme->hw_vertex_size = vinfo->size * 4;
+ /* No need to prepare the shader.
+ */
+ vs->prepare(vs, draw);
}
-
static void fetch_pipeline_run( struct draw_pt_middle_end *middle,
const unsigned *fetch_elts,
unsigned fetch_count,
{
struct fetch_pipeline_middle_end *fpme = (struct fetch_pipeline_middle_end *)middle;
struct draw_context *draw = fpme->draw;
- struct draw_vertex_shader *shader = draw->vertex_shader;
- char *pipeline_verts;
+ struct draw_vertex_shader *shader = draw->vs.vertex_shader;
+ unsigned opt = fpme->opt;
+ unsigned alloc_count = align( fetch_count, 4 );
- pipeline_verts = MALLOC(fpme->pipeline_vertex_size *
- fetch_count);
+ struct vertex_header *pipeline_verts =
+ (struct vertex_header *)MALLOC(fpme->vertex_size * alloc_count);
if (!pipeline_verts) {
+ /* Not much we can do here - just skip the rendering.
+ */
assert(0);
return;
}
+ /* Fetch into our vertex buffer
+ */
+ draw_pt_fetch_run( fpme->fetch,
+ fetch_elts,
+ fetch_count,
+ (char *)pipeline_verts );
+
+ /* Run the shader, note that this overwrites the data[] parts of
+ * the pipeline verts. If there is no shader, eg if
+ * bypass_vs_clip_and_viewport, then the inputs == outputs, and are
+ * already in the correct place.
+ */
+ if (opt & PT_SHADE)
+ {
+ shader->run_linear(shader,
+ (const float (*)[4])pipeline_verts->data,
+ ( float (*)[4])pipeline_verts->data,
+ (const float (*)[4])draw->pt.user.constants,
+ fetch_count,
+ fpme->vertex_size,
+ fpme->vertex_size);
+ }
+
+ if (draw_pt_post_vs_run( fpme->post_vs,
+ pipeline_verts,
+ fetch_count,
+ fpme->vertex_size ))
+ {
+ opt |= PT_PIPELINE;
+ }
- /* Shade
+ /* Do we need to run the pipeline?
*/
- shader->prepare(shader, draw);
- if (shader->run(shader, draw, fetch_elts, fetch_count, pipeline_verts,
- fpme->pipeline_vertex_size)) {
- /* Run the pipeline */
- draw_pt_run_pipeline( fpme->draw,
- fpme->prim,
- pipeline_verts,
- fpme->pipeline_vertex_size,
- fetch_count,
- draw_elts,
- draw_count );
- } else {
- unsigned i, j;
- void *hw_verts;
- char *out_buf;
-
- /* XXX: need to flush to get prim_vbuf.c to release its allocation??
+ if (opt & PT_PIPELINE) {
+ draw_pipeline_run( fpme->draw,
+ fpme->prim,
+ pipeline_verts,
+ fetch_count,
+ fpme->vertex_size,
+ draw_elts,
+ draw_count );
+ }
+ else {
+ draw_pt_emit( fpme->emit,
+ (const float (*)[4])pipeline_verts->data,
+ fetch_count,
+ fpme->vertex_size,
+ draw_elts,
+ draw_count );
+ }
+
+
+ FREE(pipeline_verts);
+}
+
+
+static void fetch_pipeline_linear_run( struct draw_pt_middle_end *middle,
+ unsigned start,
+ unsigned count)
+{
+ struct fetch_pipeline_middle_end *fpme = (struct fetch_pipeline_middle_end *)middle;
+ struct draw_context *draw = fpme->draw;
+ struct draw_vertex_shader *shader = draw->vs.vertex_shader;
+ unsigned opt = fpme->opt;
+ unsigned alloc_count = align( count, 4 );
+
+ struct vertex_header *pipeline_verts =
+ (struct vertex_header *)MALLOC(fpme->vertex_size * alloc_count);
+
+ if (!pipeline_verts) {
+ /* Not much we can do here - just skip the rendering.
*/
- draw_do_flush( draw, DRAW_FLUSH_BACKEND );
+ assert(0);
+ return;
+ }
- hw_verts = draw->render->allocate_vertices(draw->render,
- (ushort)fpme->hw_vertex_size,
- (ushort)fetch_count);
- if (!hw_verts) {
- assert(0);
- return;
- }
+ /* Fetch into our vertex buffer
+ */
+ draw_pt_fetch_run_linear( fpme->fetch,
+ start,
+ count,
+ (char *)pipeline_verts );
+
+ /* Run the shader, note that this overwrites the data[] parts of
+ * the pipeline verts. If there is no shader, ie if
+ * bypass_vs_clip_and_viewport, then the inputs == outputs, and are
+ * already in the correct place.
+ */
+ if (opt & PT_SHADE)
+ {
+ shader->run_linear(shader,
+ (const float (*)[4])pipeline_verts->data,
+ ( float (*)[4])pipeline_verts->data,
+ (const float (*)[4])draw->pt.user.constants,
+ count,
+ fpme->vertex_size,
+ fpme->vertex_size);
+ }
- out_buf = (char *)hw_verts;
- fpme->input_buf[0] = (const ubyte *)pipeline_verts;
- fpme->input_buf[1] = (const ubyte *)&fpme->draw->rasterizer->point_size;
+ if (draw_pt_post_vs_run( fpme->post_vs,
+ pipeline_verts,
+ count,
+ fpme->vertex_size ))
+ {
+ opt |= PT_PIPELINE;
+ }
- for (i = 0; i < fetch_count; i++) {
+ /* Do we need to run the pipeline?
+ */
+ if (opt & PT_PIPELINE) {
+ draw_pipeline_run_linear( fpme->draw,
+ fpme->prim,
+ pipeline_verts,
+ count,
+ fpme->vertex_size);
+ }
+ else {
+ draw_pt_emit_linear( fpme->emit,
+ (const float (*)[4])pipeline_verts->data,
+ fpme->vertex_size,
+ count );
+ }
- for (j = 0; j < fpme->nr_translate; j++) {
+ FREE(pipeline_verts);
+}
- const float *attrib = (const float *)( (*fpme->translate[i].input_buf) +
- fpme->translate[i].input_offset );
- char *dest = out_buf + fpme->translate[i].output_offset;
- /*debug_printf("emiting [%f, %f, %f, %f]\n",
- attrib[0], attrib[1],
- attrib[2], attrib[3]);*/
+static boolean fetch_pipeline_linear_run_elts( struct draw_pt_middle_end *middle,
+ unsigned start,
+ unsigned count,
+ const ushort *draw_elts,
+ unsigned draw_count )
+{
+ struct fetch_pipeline_middle_end *fpme = (struct fetch_pipeline_middle_end *)middle;
+ struct draw_context *draw = fpme->draw;
+ struct draw_vertex_shader *shader = draw->vs.vertex_shader;
+ unsigned opt = fpme->opt;
+ unsigned alloc_count = align( count, 4 );
- fpme->translate[j].emit(attrib, dest);
- }
+ struct vertex_header *pipeline_verts =
+ (struct vertex_header *)MALLOC(fpme->vertex_size * alloc_count);
- fpme->input_buf[0] += fpme->pipeline_vertex_size;
- }
+ if (!pipeline_verts)
+ return FALSE;
- draw->render->draw(draw->render,
- draw_elts,
- draw_count);
+ /* Fetch into our vertex buffer
+ */
+ draw_pt_fetch_run_linear( fpme->fetch,
+ start,
+ count,
+ (char *)pipeline_verts );
+
+ /* Run the shader, note that this overwrites the data[] parts of
+ * the pipeline verts. If there is no shader, ie if
+ * bypass_vs_clip_and_viewport, then the inputs == outputs, and are
+ * already in the correct place.
+ */
+ if (opt & PT_SHADE)
+ {
+ shader->run_linear(shader,
+ (const float (*)[4])pipeline_verts->data,
+ ( float (*)[4])pipeline_verts->data,
+ (const float (*)[4])draw->pt.user.constants,
+ count,
+ fpme->vertex_size,
+ fpme->vertex_size);
+ }
- draw->render->release_vertices(draw->render,
- hw_verts,
- fpme->hw_vertex_size,
- fetch_count);
+ if (draw_pt_post_vs_run( fpme->post_vs,
+ pipeline_verts,
+ count,
+ fpme->vertex_size ))
+ {
+ opt |= PT_PIPELINE;
}
+ /* Do we need to run the pipeline?
+ */
+ if (opt & PT_PIPELINE) {
+ draw_pipeline_run( fpme->draw,
+ fpme->prim,
+ pipeline_verts,
+ count,
+ fpme->vertex_size,
+ draw_elts,
+ draw_count );
+ }
+ else {
+ draw_pt_emit( fpme->emit,
+ (const float (*)[4])pipeline_verts->data,
+ count,
+ fpme->vertex_size,
+ draw_elts,
+ draw_count );
+ }
FREE(pipeline_verts);
+ return TRUE;
}
static void fetch_pipeline_destroy( struct draw_pt_middle_end *middle )
{
+ struct fetch_pipeline_middle_end *fpme = (struct fetch_pipeline_middle_end *)middle;
+
+ if (fpme->fetch)
+ draw_pt_fetch_destroy( fpme->fetch );
+
+ if (fpme->emit)
+ draw_pt_emit_destroy( fpme->emit );
+
+ if (fpme->post_vs)
+ draw_pt_post_vs_destroy( fpme->post_vs );
+
FREE(middle);
}
struct draw_pt_middle_end *draw_pt_fetch_pipeline_or_emit( struct draw_context *draw )
{
- struct fetch_pipeline_middle_end *fetch_pipeline = CALLOC_STRUCT( fetch_pipeline_middle_end );
+ struct fetch_pipeline_middle_end *fpme = CALLOC_STRUCT( fetch_pipeline_middle_end );
+ if (!fpme)
+ goto fail;
+
+ fpme->base.prepare = fetch_pipeline_prepare;
+ fpme->base.run = fetch_pipeline_run;
+ fpme->base.run_linear = fetch_pipeline_linear_run;
+ fpme->base.run_linear_elts = fetch_pipeline_linear_run_elts;
+ fpme->base.finish = fetch_pipeline_finish;
+ fpme->base.destroy = fetch_pipeline_destroy;
+
+ fpme->draw = draw;
+
+ fpme->fetch = draw_pt_fetch_create( draw );
+ if (!fpme->fetch)
+ goto fail;
+
+ fpme->post_vs = draw_pt_post_vs_create( draw );
+ if (!fpme->post_vs)
+ goto fail;
+
+ fpme->emit = draw_pt_emit_create( draw );
+ if (!fpme->emit)
+ goto fail;
- fetch_pipeline->base.prepare = fetch_pipeline_prepare;
- fetch_pipeline->base.run = fetch_pipeline_run;
- fetch_pipeline->base.finish = fetch_pipeline_finish;
- fetch_pipeline->base.destroy = fetch_pipeline_destroy;
+ return &fpme->base;
- fetch_pipeline->draw = draw;
+ fail:
+ if (fpme)
+ fetch_pipeline_destroy( &fpme->base );
- return &fetch_pipeline->base;
+ return NULL;
}