X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fgallium%2Fauxiliary%2Fdraw%2Fdraw_pt_fetch_shade_emit.c;h=44147aed9be33b0081452ba77461151d1e7d1588;hb=e7cb125b2d9e9c7b1ad89b988fa3bf53ead9eb0c;hp=729c7db99995fefd4cb06d253acf395fddab5a12;hpb=7b85ea19de09d4e7e077ca147528e90e52683690;p=mesa.git diff --git a/src/gallium/auxiliary/draw/draw_pt_fetch_shade_emit.c b/src/gallium/auxiliary/draw/draw_pt_fetch_shade_emit.c index 729c7db9999..44147aed9be 100644 --- a/src/gallium/auxiliary/draw/draw_pt_fetch_shade_emit.c +++ b/src/gallium/auxiliary/draw/draw_pt_fetch_shade_emit.c @@ -31,7 +31,8 @@ */ -#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" @@ -70,13 +71,15 @@ struct fetch_shade_emit { static void fse_prepare( struct draw_pt_middle_end *middle, unsigned prim, - unsigned opt ) + unsigned opt, + unsigned *max_vertices ) { struct fetch_shade_emit *fse = (struct fetch_shade_emit *)middle; struct draw_context *draw = fse->draw; unsigned num_vs_inputs = draw->vs.vertex_shader->info.num_inputs; const struct vertex_info *vinfo; unsigned i; + unsigned nr_vbs = 0; if (!draw->render->set_primitive( draw->render, @@ -98,9 +101,10 @@ static void fse_prepare( struct draw_pt_middle_end *middle, fse->key.nr_elements = MAX2(fse->key.nr_outputs, /* outputs - translate to hw format */ fse->key.nr_inputs); /* inputs - fetch from api format */ - fse->key.viewport = !draw->identity_viewport; + fse->key.viewport = (!draw->rasterizer->bypass_vs_clip_and_viewport && + !draw->identity_viewport); fse->key.clip = !draw->bypass_clipping; - fse->key.pad = 0; + fse->key.const_vbuffers = 0; memset(fse->key.element, 0, fse->key.nr_elements * sizeof(fse->key.element[0])); @@ -114,16 +118,23 @@ static void fse_prepare( struct draw_pt_middle_end *middle, */ fse->key.element[i].in.buffer = src->vertex_buffer_index; fse->key.element[i].in.offset = src->src_offset; + nr_vbs = MAX2(nr_vbs, src->vertex_buffer_index + 1); } + for (i = 0; i < 5 && i < nr_vbs; i++) { + if (draw->pt.vertex_buffer[i].stride == 0) + fse->key.const_vbuffers |= (1<key.const_vbuffers); + { unsigned dst_offset = 0; for (i = 0; i < vinfo->num_attribs; i++) { unsigned emit_sz = 0; - switch (vinfo->emit[i]) { + switch (vinfo->attrib[i].emit) { case EMIT_4F: emit_sz = 4 * sizeof(float); break; @@ -151,8 +162,8 @@ static void fse_prepare( struct draw_pt_middle_end *middle, * numbers, not to positions in the hw vertex description -- * that's handled by the output_offset field. */ - fse->key.element[i].out.format = vinfo->emit[i]; - fse->key.element[i].out.vs_output = vinfo->src_index[i]; + fse->key.element[i].out.format = vinfo->attrib[i].emit; + fse->key.element[i].out.vs_output = vinfo->attrib[i].src_index; fse->key.element[i].out.offset = dst_offset; dst_offset += emit_sz; @@ -160,13 +171,7 @@ static void fse_prepare( struct draw_pt_middle_end *middle, } } - - /* Would normally look up a vertex shader and peruse its list of - * varients somehow. We omitted that step and put all the - * hardcoded "shaders" into an array. We're just making the - * assumption that this happens to be a matching shader... ie - * you're running isosurf, aren't you? - */ + fse->active = draw_vs_lookup_varient( draw->vs.vertex_shader, &fse->key ); @@ -175,25 +180,39 @@ static void fse_prepare( struct draw_pt_middle_end *middle, return ; } + if (0) debug_printf("%s: found const_vbuffers: %x\n", __FUNCTION__, + fse->active->key.const_vbuffers); + /* Now set buffer pointers: */ - for (i = 0; i < num_vs_inputs; i++) { - unsigned buf = draw->pt.vertex_element[i].vertex_buffer_index; - - fse->active->set_input( fse->active, - i, - - ((const ubyte *) draw->pt.user.vbuffer[buf] + - draw->pt.vertex_buffer[buf].buffer_offset), - - draw->pt.vertex_buffer[buf].pitch ); + for (i = 0; i < draw->pt.nr_vertex_buffers; i++) { + fse->active->set_buffer( fse->active, + i, + ((const ubyte *) draw->pt.user.vbuffer[i] + + draw->pt.vertex_buffer[i].buffer_offset), + draw->pt.vertex_buffer[i].stride ); } - fse->active->set_constants( fse->active, - (const float (*)[4])draw->pt.user.constants ); + *max_vertices = (draw->render->max_vertex_buffer_bytes / + (vinfo->size * 4)); - fse->active->set_viewport( fse->active, - &draw->viewport ); + /* Return an even number of verts. + * This prevents "parity" errors when splitting long triangle strips which + * can lead to front/back culling mix-ups. + * Every other triangle in a strip has an alternate front/back orientation + * so splitting at an odd position can cause the orientation of subsequent + * triangles to get reversed. + */ + *max_vertices = *max_vertices & ~1; + + /* Probably need to do this somewhere (or fix exec shader not to + * need it): + */ + if (1) { + struct draw_vertex_shader *vs = draw->vs.vertex_shader; + vs->prepare(vs, draw); + } + //return TRUE; } @@ -210,21 +229,23 @@ static void fse_run_linear( struct draw_pt_middle_end *middle, { struct fetch_shade_emit *fse = (struct fetch_shade_emit *)middle; struct draw_context *draw = fse->draw; - unsigned alloc_count = align(count, 4); char *hw_verts; /* XXX: need to flush to get prim_vbuf.c to release its allocation?? */ draw_do_flush( draw, DRAW_FLUSH_BACKEND ); - hw_verts = draw->render->allocate_vertices( draw->render, - (ushort)fse->key.output_stride, - (ushort)alloc_count ); + if (count >= UNDEFINED_VERTEX_ID) + goto fail; - if (!hw_verts) { - assert(0); - return; - } + if (!draw->render->allocate_vertices( draw->render, + (ushort)fse->key.output_stride, + (ushort)count )) + goto fail; + + hw_verts = draw->render->map_vertices( draw->render ); + if (!hw_verts) + goto fail; /* Single routine to fetch vertices, run shader and emit HW verts. * Clipping is done elsewhere -- either by the API or on hardware, @@ -234,13 +255,7 @@ static void fse_run_linear( struct draw_pt_middle_end *middle, start, count, hw_verts ); - /* Draw arrays path to avoid re-emitting index list again and - * again. - */ - draw->render->draw_arrays( draw->render, - 0, - count ); - + if (0) { unsigned i; for (i = 0; i < count; i++) { @@ -252,12 +267,24 @@ static void fse_run_linear( struct draw_pt_middle_end *middle, (const uint8_t *)hw_verts + fse->key.output_stride * i ); } } + + draw->render->unmap_vertices( draw->render, 0, (ushort)(count - 1) ); + + /* Draw arrays path to avoid re-emitting index list again and + * again. + */ + draw->render->draw_arrays( draw->render, + 0, + count ); + + draw->render->release_vertices( draw->render ); - draw->render->release_vertices( draw->render, - hw_verts, - fse->key.output_stride, - count ); + return; + +fail: + assert(0); + return; } @@ -270,20 +297,23 @@ fse_run(struct draw_pt_middle_end *middle, { struct fetch_shade_emit *fse = (struct fetch_shade_emit *)middle; struct draw_context *draw = fse->draw; - unsigned alloc_count = align(fetch_count, 4); void *hw_verts; /* XXX: need to flush to get prim_vbuf.c to release its allocation?? */ draw_do_flush( draw, DRAW_FLUSH_BACKEND ); - hw_verts = draw->render->allocate_vertices( draw->render, - (ushort)fse->key.output_stride, - (ushort)alloc_count ); - if (!hw_verts) { - assert(0); - return; - } + if (fetch_count >= UNDEFINED_VERTEX_ID) + goto fail; + + if (!draw->render->allocate_vertices( draw->render, + (ushort)fse->key.output_stride, + (ushort)fetch_count )) + goto fail; + + hw_verts = draw->render->map_vertices( draw->render ); + if (!hw_verts) + goto fail; /* Single routine to fetch vertices, run shader and emit HW verts. @@ -293,9 +323,6 @@ fse_run(struct draw_pt_middle_end *middle, fetch_count, hw_verts ); - draw->render->draw( draw->render, - draw_elts, - draw_count ); if (0) { unsigned i; @@ -307,15 +334,72 @@ fse_run(struct draw_pt_middle_end *middle, } } + draw->render->unmap_vertices( draw->render, 0, (ushort)(fetch_count - 1) ); + + draw->render->draw( draw->render, + draw_elts, + draw_count ); + + + draw->render->release_vertices( draw->render ); + return; + +fail: + assert(0); + return; +} + + + +static boolean fse_run_linear_elts( struct draw_pt_middle_end *middle, + unsigned start, + unsigned count, + const ushort *draw_elts, + unsigned draw_count ) +{ + struct fetch_shade_emit *fse = (struct fetch_shade_emit *)middle; + struct draw_context *draw = fse->draw; + char *hw_verts; + + /* XXX: need to flush to get prim_vbuf.c to release its allocation?? + */ + draw_do_flush( draw, DRAW_FLUSH_BACKEND ); + + if (count >= UNDEFINED_VERTEX_ID) + return FALSE; + + if (!draw->render->allocate_vertices( draw->render, + (ushort)fse->key.output_stride, + (ushort)count )) + return FALSE; + + hw_verts = draw->render->map_vertices( draw->render ); + if (!hw_verts) + return FALSE; + + /* Single routine to fetch vertices, run shader and emit HW verts. + * Clipping is done elsewhere -- either by the API or on hardware, + * or for some other reason not required... + */ + fse->active->run_linear( fse->active, + start, count, + hw_verts ); + + + draw->render->draw( draw->render, + draw_elts, + draw_count ); + + + draw->render->unmap_vertices( draw->render, 0, (ushort)(count - 1) ); - draw->render->release_vertices( draw->render, - hw_verts, - fse->key.output_stride, - fetch_count ); + draw->render->release_vertices( draw->render ); + return TRUE; } + static void fse_finish( struct draw_pt_middle_end *middle ) { } @@ -336,6 +420,7 @@ struct draw_pt_middle_end *draw_pt_middle_fse( struct draw_context *draw ) fse->base.prepare = fse_prepare; fse->base.run = fse_run; fse->base.run_linear = fse_run_linear; + fse->base.run_linear_elts = fse_run_linear_elts; fse->base.finish = fse_finish; fse->base.destroy = fse_destroy; fse->draw = draw;