diff options
Diffstat (limited to 'src/gallium')
| -rw-r--r-- | src/gallium/auxiliary/draw/draw_pt_fetch_shade_pipeline.c | 158 |
1 files changed, 102 insertions, 56 deletions
diff --git a/src/gallium/auxiliary/draw/draw_pt_fetch_shade_pipeline.c b/src/gallium/auxiliary/draw/draw_pt_fetch_shade_pipeline.c index 04b3d2c4cf..557cd43f5b 100644 --- a/src/gallium/auxiliary/draw/draw_pt_fetch_shade_pipeline.c +++ b/src/gallium/auxiliary/draw/draw_pt_fetch_shade_pipeline.c @@ -36,52 +36,60 @@ struct fetch_pipeline_middle_end { struct draw_pt_middle_end base; struct draw_context *draw; + const ubyte *input_buf[2]; + struct { - const ubyte *ptr; - unsigned pitch; - void (*fetch)( const void *from, float *attrib); - void (*emit)( const float *attrib, float **out ); - } fetch[PIPE_MAX_ATTRIBS]; + const ubyte **input_buf; + unsigned input_offset; + unsigned output_offset; + + void (*emit)( const float *attrib, void *ptr ); + } translate[PIPE_MAX_ATTRIBS]; + unsigned nr_translate; - unsigned nr_fetch; unsigned pipeline_vertex_size; unsigned hw_vertex_size; unsigned prim; }; -#if 0 + +static void emit_NULL( const float *attrib, + void *ptr ) +{ +} + static void emit_R32_FLOAT( const float *attrib, - float **out ) + void *ptr ) { - (*out)[0] = attrib[0]; - (*out) += 1; + float *out = (float *)ptr; + out[0] = attrib[0]; } static void emit_R32G32_FLOAT( const float *attrib, - float **out ) + void *ptr ) { - (*out)[0] = attrib[0]; - (*out)[1] = attrib[1]; - (*out) += 2; + float *out = (float *)ptr; + out[0] = attrib[0]; + out[1] = attrib[1]; } static void emit_R32G32B32_FLOAT( const float *attrib, - float **out ) + void *ptr ) { - (*out)[0] = attrib[0]; - (*out)[1] = attrib[1]; - (*out)[2] = attrib[2]; - (*out) += 3; + float *out = (float *)ptr; + out[0] = attrib[0]; + out[1] = attrib[1]; + out[2] = attrib[2]; } -#endif + static void emit_R32G32B32A32_FLOAT( const float *attrib, - float **out ) + void *ptr ) { - (*out)[0] = attrib[0]; - (*out)[1] = attrib[1]; - (*out)[2] = attrib[2]; - (*out)[3] = attrib[3]; - (*out) += 4; + 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, @@ -89,9 +97,10 @@ static void fetch_pipeline_prepare( struct draw_pt_middle_end *middle, { struct fetch_pipeline_middle_end *fpme = (struct fetch_pipeline_middle_end *)middle; struct draw_context *draw = fpme->draw; - unsigned i, nr = 0; + unsigned i; boolean ok; const struct vertex_info *vinfo; + unsigned dst_offset; fpme->prim = prim; @@ -100,33 +109,63 @@ static void fetch_pipeline_prepare( struct draw_pt_middle_end *middle, assert(0); return; } + /* Must do this after set_primitive() above: */ vinfo = draw->render->get_vertex_info(draw->render); - /* Need to look at vertex shader inputs (we know it is a - * passthrough shader, so these define the outputs too). If we - * were running a shader, we'd still be looking at the inputs at - * this point. - */ - for (i = 0; i < draw->vertex_shader->info.num_inputs; i++) { - unsigned buf = draw->vertex_element[i].vertex_buffer_index; - enum pipe_format format = draw->vertex_element[i].src_format; - - fpme->fetch[nr].ptr = ((const ubyte *) draw->user.vbuffer[buf] + - draw->vertex_buffer[buf].buffer_offset + - draw->vertex_element[i].src_offset); - fpme->fetch[nr].pitch = draw->vertex_buffer[buf].pitch; - fpme->fetch[nr].fetch = draw_get_fetch_func( format ); + /* In passthrough mode, need to translate from vertex shader + * outputs to hw vertices. + */ + 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; + } - /* Always do this -- somewhat redundant... - */ - fpme->fetch[nr].emit = emit_R32G32B32A32_FLOAT; - nr++; + 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; } - fpme->nr_fetch = nr; + fpme->nr_translate = vinfo->num_attribs; + fpme->hw_vertex_size = vinfo->size * 4; + //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; @@ -171,7 +210,7 @@ static void fetch_pipeline_run( struct draw_pt_middle_end *middle, } else { unsigned i, j; void *hw_verts; - float *out; + char *out_buf; /* XXX: need to flush to get prim_vbuf.c to release its allocation?? */ @@ -185,22 +224,29 @@ static void fetch_pipeline_run( struct draw_pt_middle_end *middle, return; } - out = (float *)hw_verts; + out_buf = (char *)hw_verts; + fpme->input_buf[0] = (const ubyte *)pipeline_verts; + fpme->input_buf[1] = (const ubyte *)&fpme->draw->rasterizer->point_size; + for (i = 0; i < fetch_count; i++) { - struct vertex_header *header = - (struct vertex_header*)(pipeline_verts + (fpme->pipeline_vertex_size * i)); - for (j = 0; j < fpme->nr_fetch; j++) { - float *attrib = header->data[j]; + for (j = 0; j < fpme->nr_translate; j++) { + + 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]);*/ - fpme->fetch[j].emit(attrib, &out); + + fpme->translate[j].emit(attrib, dest); } + + fpme->input_buf[0] += fpme->pipeline_vertex_size; } - /* XXX: Draw arrays path to avoid re-emitting index list again and - * again. - */ + draw->render->draw(draw->render, draw_elts, draw_count); |