diff options
Diffstat (limited to 'src/gallium/auxiliary/draw')
19 files changed, 565 insertions, 77 deletions
diff --git a/src/gallium/auxiliary/draw/Makefile b/src/gallium/auxiliary/draw/Makefile index c9980f0b835..2daa1636f36 100644 --- a/src/gallium/auxiliary/draw/Makefile +++ b/src/gallium/auxiliary/draw/Makefile @@ -29,7 +29,9 @@ C_SOURCES = \ draw_vf.c \ draw_vf_generic.c \ draw_vf_sse.c \ - draw_wide_prims.c + draw_wide_line.c \ + draw_wide_point.c + include ../../Makefile.template diff --git a/src/gallium/auxiliary/draw/SConscript b/src/gallium/auxiliary/draw/SConscript index 3302dc44f78..c18dcb2927a 100644 --- a/src/gallium/auxiliary/draw/SConscript +++ b/src/gallium/auxiliary/draw/SConscript @@ -28,7 +28,8 @@ draw = env.ConvenienceLibrary( 'draw_vf.c', 'draw_vf_generic.c', 'draw_vf_sse.c', - 'draw_wide_prims.c', + 'draw_wide_point.c', + 'draw_wide_line.c' ]) auxiliaries.insert(0, draw) diff --git a/src/gallium/auxiliary/draw/draw_aaline.c b/src/gallium/auxiliary/draw/draw_aaline.c index 73a02a32e42..51140388f09 100644 --- a/src/gallium/auxiliary/draw/draw_aaline.c +++ b/src/gallium/auxiliary/draw/draw_aaline.c @@ -340,9 +340,11 @@ generate_aaline_fs(struct aaline_stage *aaline) tgsi_dump(aaline_fs.tokens, 0); #endif +#if 1 /* XXX remove */ aaline_fs.input_semantic_name[aaline_fs.num_inputs] = TGSI_SEMANTIC_GENERIC; aaline_fs.input_semantic_index[aaline_fs.num_inputs] = transform.maxGeneric + 1; aaline_fs.num_inputs++; +#endif aaline->fs->aaline_fs = aaline->driver_create_fs_state(aaline->pipe, &aaline_fs); @@ -362,6 +364,7 @@ static void aaline_create_texture(struct aaline_stage *aaline) { struct pipe_context *pipe = aaline->pipe; + struct pipe_screen *screen = pipe->screen; struct pipe_texture texTemp; uint level; @@ -374,7 +377,7 @@ aaline_create_texture(struct aaline_stage *aaline) texTemp.depth[0] = 1; texTemp.cpp = 1; - aaline->texture = pipe->texture_create(pipe, &texTemp); + aaline->texture = screen->texture_create(screen, &texTemp); /* Fill in mipmap images. * Basically each level is solid opaque, except for the outermost @@ -388,7 +391,7 @@ aaline_create_texture(struct aaline_stage *aaline) assert(aaline->texture->width[level] == aaline->texture->height[level]); - surface = pipe->get_tex_surface(pipe, aaline->texture, 0, level, 0); + surface = screen->get_tex_surface(screen, aaline->texture, 0, level, 0); data = pipe_surface_map(surface); for (i = 0; i < size; i++) { diff --git a/src/gallium/auxiliary/draw/draw_aapoint.c b/src/gallium/auxiliary/draw/draw_aapoint.c index cae6fcd4d2b..d48a416899f 100644 --- a/src/gallium/auxiliary/draw/draw_aapoint.c +++ b/src/gallium/auxiliary/draw/draw_aapoint.c @@ -509,14 +509,16 @@ generate_aapoint_fs(struct aapoint_stage *aapoint) (struct tgsi_token *) aapoint_fs.tokens, MAX, &transform.base); -#if 1 /* DEBUG */ +#if 0 /* DEBUG */ tgsi_dump(orig_fs->tokens, 0); tgsi_dump(aapoint_fs.tokens, 0); #endif +#if 1 /* XXX remove */ aapoint_fs.input_semantic_name[aapoint_fs.num_inputs] = TGSI_SEMANTIC_GENERIC; aapoint_fs.input_semantic_index[aapoint_fs.num_inputs] = transform.maxGeneric + 1; aapoint_fs.num_inputs++; +#endif aapoint->fs->aapoint_fs = aapoint->driver_create_fs_state(aapoint->pipe, &aapoint_fs); @@ -694,8 +696,8 @@ aapoint_first_point(struct draw_stage *stage, struct prim_header *header) /* find PSIZ vertex output */ const struct draw_vertex_shader *vs = draw->vertex_shader; uint i; - for (i = 0; i < vs->state->num_outputs; i++) { - if (vs->state->output_semantic_name[i] == TGSI_SEMANTIC_PSIZE) { + for (i = 0; i < vs->info.num_outputs; i++) { + if (vs->info.output_semantic_name[i] == TGSI_SEMANTIC_PSIZE) { aapoint->psize_slot = i; break; } diff --git a/src/gallium/auxiliary/draw/draw_clip.c b/src/gallium/auxiliary/draw/draw_clip.c index e3051507eaf..200152ecab9 100644 --- a/src/gallium/auxiliary/draw/draw_clip.c +++ b/src/gallium/auxiliary/draw/draw_clip.c @@ -409,13 +409,13 @@ clip_init_state( struct draw_stage *stage ) clipper->flat = stage->draw->rasterizer->flatshade ? TRUE : FALSE; if (clipper->flat) { - const struct pipe_shader_state *vs = stage->draw->vertex_shader->state; + const struct draw_vertex_shader *vs = stage->draw->vertex_shader; uint i; clipper->num_color_attribs = 0; - for (i = 0; i < vs->num_outputs; i++) { - if (vs->output_semantic_name[i] == TGSI_SEMANTIC_COLOR || - vs->output_semantic_name[i] == TGSI_SEMANTIC_BCOLOR) { + for (i = 0; i < vs->info.num_outputs; i++) { + if (vs->info.output_semantic_name[i] == TGSI_SEMANTIC_COLOR || + vs->info.output_semantic_name[i] == TGSI_SEMANTIC_BCOLOR) { clipper->color_attribs[clipper->num_color_attribs++] = i; } } diff --git a/src/gallium/auxiliary/draw/draw_context.c b/src/gallium/auxiliary/draw/draw_context.c index 7dd1c6f6faa..428b6209e05 100644 --- a/src/gallium/auxiliary/draw/draw_context.c +++ b/src/gallium/auxiliary/draw/draw_context.c @@ -48,7 +48,8 @@ struct draw_context *draw_create( void ) #endif /* create pipeline stages */ - draw->pipeline.wide = draw_wide_stage( draw ); + draw->pipeline.wide_line = draw_wide_line_stage( draw ); + draw->pipeline.wide_point = draw_wide_point_stage( draw ); draw->pipeline.stipple = draw_stipple_stage( draw ); draw->pipeline.unfilled = draw_unfilled_stage( draw ); draw->pipeline.twoside = draw_twoside_stage( draw ); @@ -80,8 +81,9 @@ struct draw_context *draw_create( void ) draw->shader_queue_flush = draw_vertex_shader_queue_flush; - draw->convert_wide_points = TRUE; - draw->convert_wide_lines = TRUE; + /* these defaults are oriented toward the needs of softpipe */ + draw->wide_point_threshold = 1000000.0; /* infinity */ + draw->wide_line_threshold = 1.0; draw->reduced_prim = ~0; /* != any of PIPE_PRIM_x */ @@ -94,7 +96,8 @@ struct draw_context *draw_create( void ) void draw_destroy( struct draw_context *draw ) { - draw->pipeline.wide->destroy( draw->pipeline.wide ); + draw->pipeline.wide_line->destroy( draw->pipeline.wide_line ); + draw->pipeline.wide_point->destroy( draw->pipeline.wide_point ); draw->pipeline.stipple->destroy( draw->pipeline.stipple ); draw->pipeline.unfilled->destroy( draw->pipeline.unfilled ); draw->pipeline.twoside->destroy( draw->pipeline.twoside ); @@ -220,26 +223,26 @@ draw_set_mapped_constant_buffer(struct draw_context *draw, /** - * Tells the draw module whether to convert wide points (size != 1) - * into triangles. + * Tells the draw module to draw points with triangles if their size + * is greater than this threshold. */ void -draw_convert_wide_points(struct draw_context *draw, boolean enable) +draw_wide_point_threshold(struct draw_context *draw, float threshold) { draw_do_flush( draw, DRAW_FLUSH_STATE_CHANGE ); - draw->convert_wide_points = enable; + draw->wide_point_threshold = threshold; } /** - * Tells the draw module whether to convert wide lines (width != 1) - * into triangles. + * Tells the draw module to draw lines with triangles if their width + * is greater than this threshold. */ void -draw_convert_wide_lines(struct draw_context *draw, boolean enable) +draw_wide_line_threshold(struct draw_context *draw, float threshold) { draw_do_flush( draw, DRAW_FLUSH_STATE_CHANGE ); - draw->convert_wide_lines = enable; + draw->wide_line_threshold = threshold; } @@ -262,11 +265,11 @@ int draw_find_vs_output(struct draw_context *draw, uint semantic_name, uint semantic_index) { - const struct pipe_shader_state *vs = draw->vertex_shader->state; + const struct draw_vertex_shader *vs = draw->vertex_shader; uint i; - for (i = 0; i < vs->num_outputs; i++) { - if (vs->output_semantic_name[i] == semantic_name && - vs->output_semantic_index[i] == semantic_index) + for (i = 0; i < vs->info.num_outputs; i++) { + if (vs->info.output_semantic_name[i] == semantic_name && + vs->info.output_semantic_index[i] == semantic_index) return i; } @@ -282,6 +285,19 @@ draw_find_vs_output(struct draw_context *draw, /** + * Return number of vertex shader outputs. + */ +uint +draw_num_vs_outputs(struct draw_context *draw) +{ + uint count = draw->vertex_shader->info.num_outputs; + if (draw->extra_vp_outputs.slot >= 0) + count++; + return count; +} + + +/** * Allocate space for temporary post-transform vertices, such as for clipping. */ void draw_alloc_temp_verts( struct draw_stage *stage, unsigned nr ) diff --git a/src/gallium/auxiliary/draw/draw_context.h b/src/gallium/auxiliary/draw/draw_context.h index c25301f71df..ab87b4127c0 100644 --- a/src/gallium/auxiliary/draw/draw_context.h +++ b/src/gallium/auxiliary/draw/draw_context.h @@ -90,9 +90,9 @@ void draw_set_rasterizer_state( struct draw_context *draw, void draw_set_rasterize_stage( struct draw_context *draw, struct draw_stage *stage ); -void draw_convert_wide_points(struct draw_context *draw, boolean enable); +void draw_wide_point_threshold(struct draw_context *draw, float threshold); -void draw_convert_wide_lines(struct draw_context *draw, boolean enable); +void draw_wide_line_threshold(struct draw_context *draw, float threshold); boolean draw_use_sse(struct draw_context *draw); @@ -110,6 +110,10 @@ int draw_find_vs_output(struct draw_context *draw, uint semantic_name, uint semantic_index); +uint +draw_num_vs_outputs(struct draw_context *draw); + + /* * Vertex shader functions diff --git a/src/gallium/auxiliary/draw/draw_flatshade.c b/src/gallium/auxiliary/draw/draw_flatshade.c index 4398abbc60c..ccad71d6957 100644 --- a/src/gallium/auxiliary/draw/draw_flatshade.c +++ b/src/gallium/auxiliary/draw/draw_flatshade.c @@ -128,14 +128,14 @@ static void flatshade_point( struct draw_stage *stage, static void flatshade_init_state( struct draw_stage *stage ) { struct flat_stage *flat = flat_stage(stage); - const struct pipe_shader_state *vs = stage->draw->vertex_shader->state; + const struct draw_vertex_shader *vs = stage->draw->vertex_shader; uint i; /* Find which vertex shader outputs are colors, make a list */ flat->num_color_attribs = 0; - for (i = 0; i < vs->num_outputs; i++) { - if (vs->output_semantic_name[i] == TGSI_SEMANTIC_COLOR || - vs->output_semantic_name[i] == TGSI_SEMANTIC_BCOLOR) { + for (i = 0; i < vs->info.num_outputs; i++) { + if (vs->info.output_semantic_name[i] == TGSI_SEMANTIC_COLOR || + vs->info.output_semantic_name[i] == TGSI_SEMANTIC_BCOLOR) { flat->color_attribs[flat->num_color_attribs++] = i; } } diff --git a/src/gallium/auxiliary/draw/draw_private.h b/src/gallium/auxiliary/draw/draw_private.h index 6abced139ba..c732d723a7f 100644 --- a/src/gallium/auxiliary/draw/draw_private.h +++ b/src/gallium/auxiliary/draw/draw_private.h @@ -46,6 +46,7 @@ #include "rtasm/rtasm_x86sse.h" #include "tgsi/exec/tgsi_exec.h" +#include "tgsi/util/tgsi_scan.h" struct pipe_context; @@ -134,6 +135,8 @@ struct draw_vertex_shader { */ const struct pipe_shader_state *state; + struct tgsi_shader_info info; + void (*prepare)( struct draw_vertex_shader *shader, struct draw_context *draw ); @@ -183,7 +186,8 @@ struct draw_context struct draw_stage *aapoint; struct draw_stage *aaline; struct draw_stage *pstipple; - struct draw_stage *wide; + struct draw_stage *wide_line; + struct draw_stage *wide_point; struct draw_stage *rasterize; } pipeline; @@ -215,8 +219,8 @@ struct draw_context float plane[12][4]; unsigned nr_planes; - boolean convert_wide_points; /**< convert wide points to tris? */ - boolean convert_wide_lines; /**< convert wide lines to tris? */ + float wide_point_threshold; /**< convert pnts to tris if larger than this */ + float wide_line_threshold; /**< convert lines to tris if wider than this */ boolean use_sse; /* If a prim stage introduces new vertex attributes, they'll be stored here @@ -301,7 +305,8 @@ extern struct draw_stage *draw_clip_stage( struct draw_context *context ); extern struct draw_stage *draw_flatshade_stage( struct draw_context *context ); extern struct draw_stage *draw_cull_stage( struct draw_context *context ); extern struct draw_stage *draw_stipple_stage( struct draw_context *context ); -extern struct draw_stage *draw_wide_stage( struct draw_context *context ); +extern struct draw_stage *draw_wide_line_stage( struct draw_context *context ); +extern struct draw_stage *draw_wide_point_stage( struct draw_context *context ); extern struct draw_stage *draw_validate_stage( struct draw_context *context ); diff --git a/src/gallium/auxiliary/draw/draw_pstipple.c b/src/gallium/auxiliary/draw/draw_pstipple.c index 1ab04cd9598..f6200aa8201 100644 --- a/src/gallium/auxiliary/draw/draw_pstipple.c +++ b/src/gallium/auxiliary/draw/draw_pstipple.c @@ -330,11 +330,13 @@ generate_pstip_fs(struct pstip_stage *pstip) pstip->sampler_unit = transform.maxSampler + 1; +#if 1 /* XXX remove */ if (transform.wincoordInput < 0) { pstip_fs.input_semantic_name[pstip_fs.num_inputs] = TGSI_SEMANTIC_POSITION; pstip_fs.input_semantic_index[pstip_fs.num_inputs] = (ubyte)transform.maxInput; pstip_fs.num_inputs++; } +#endif pstip->fs->pstip_fs = pstip->driver_create_fs_state(pstip->pipe, &pstip_fs); } @@ -348,12 +350,13 @@ pstip_update_texture(struct pstip_stage *pstip) { static const uint bit31 = 1 << 31; struct pipe_context *pipe = pstip->pipe; + struct pipe_screen *screen = pipe->screen; struct pipe_surface *surface; const uint *stipple = pstip->state.stipple->stipple; uint i, j; ubyte *data; - surface = pipe->get_tex_surface(pipe, pstip->texture, 0, 0, 0); + surface = screen->get_tex_surface(screen, pstip->texture, 0, 0, 0); data = pipe_surface_map(surface); /* @@ -389,6 +392,7 @@ static void pstip_create_texture(struct pstip_stage *pstip) { struct pipe_context *pipe = pstip->pipe; + struct pipe_screen *screen = pipe->screen; struct pipe_texture texTemp; memset(&texTemp, 0, sizeof(texTemp)); @@ -400,7 +404,7 @@ pstip_create_texture(struct pstip_stage *pstip) texTemp.depth[0] = 1; texTemp.cpp = 1; - pstip->texture = pipe->texture_create(pipe, &texTemp); + pstip->texture = screen->texture_create(screen, &texTemp); //pstip_update_texture(pstip); } diff --git a/src/gallium/auxiliary/draw/draw_twoside.c b/src/gallium/auxiliary/draw/draw_twoside.c index 1c389579871..3debaac2822 100644 --- a/src/gallium/auxiliary/draw/draw_twoside.c +++ b/src/gallium/auxiliary/draw/draw_twoside.c @@ -119,7 +119,7 @@ static void twoside_first_tri( struct draw_stage *stage, struct prim_header *header ) { struct twoside_stage *twoside = twoside_stage(stage); - const struct pipe_shader_state *vs = stage->draw->vertex_shader->state; + const struct draw_vertex_shader *vs = stage->draw->vertex_shader; uint i; twoside->attrib_front0 = 0; @@ -128,15 +128,15 @@ static void twoside_first_tri( struct draw_stage *stage, twoside->attrib_back1 = 0; /* Find which vertex shader outputs are front/back colors */ - for (i = 0; i < vs->num_outputs; i++) { - if (vs->output_semantic_name[i] == TGSI_SEMANTIC_COLOR) { - if (vs->output_semantic_index[i] == 0) + for (i = 0; i < vs->info.num_outputs; i++) { + if (vs->info.output_semantic_name[i] == TGSI_SEMANTIC_COLOR) { + if (vs->info.output_semantic_index[i] == 0) twoside->attrib_front0 = i; else twoside->attrib_front1 = i; } - if (vs->output_semantic_name[i] == TGSI_SEMANTIC_BCOLOR) { - if (vs->output_semantic_index[i] == 0) + if (vs->info.output_semantic_name[i] == TGSI_SEMANTIC_BCOLOR) { + if (vs->info.output_semantic_index[i] == 0) twoside->attrib_back0 = i; else twoside->attrib_back1 = i; diff --git a/src/gallium/auxiliary/draw/draw_validate.c b/src/gallium/auxiliary/draw/draw_validate.c index 3a19dd4cd78..084eee9b6e9 100644 --- a/src/gallium/auxiliary/draw/draw_validate.c +++ b/src/gallium/auxiliary/draw/draw_validate.c @@ -52,6 +52,18 @@ static struct draw_stage *validate_pipeline( struct draw_stage *stage ) */ stage->next = next; + /* drawing wide lines? */ + wide_lines = (draw->rasterizer->line_width > draw->wide_line_threshold + && !draw->rasterizer->line_smooth); + + /* drawing large points? */ + if (draw->rasterizer->point_smooth && draw->pipeline.aapoint) + wide_points = FALSE; + else if (draw->rasterizer->point_size > draw->wide_point_threshold) + wide_points = TRUE; + else + wide_points = FALSE; + /* * NOTE: we build up the pipeline in end-to-start order. * @@ -69,21 +81,14 @@ static struct draw_stage *validate_pipeline( struct draw_stage *stage ) next = draw->pipeline.aapoint; } - /* drawing wide lines? */ - wide_lines = (draw->rasterizer->line_width != 1.0 - && draw->convert_wide_lines - && !draw->rasterizer->line_smooth); + if (wide_lines) { + draw->pipeline.wide_line->next = next; + next = draw->pipeline.wide_line; + } - /* drawing large points? */ - wide_points = (draw->rasterizer->point_size != 1.0 - && draw->convert_wide_points - && !draw->pipeline.aapoint); - - if (wide_lines || - wide_points || - draw->rasterizer->point_sprite) { - draw->pipeline.wide->next = next; - next = draw->pipeline.wide; + if (wide_points || draw->rasterizer->point_sprite) { + draw->pipeline.wide_point->next = next; + next = draw->pipeline.wide_point; } if (draw->rasterizer->line_stipple_enable) { diff --git a/src/gallium/auxiliary/draw/draw_vertex_fetch.c b/src/gallium/auxiliary/draw/draw_vertex_fetch.c index e13df04605c..cb8cdd04a3e 100644 --- a/src/gallium/auxiliary/draw/draw_vertex_fetch.c +++ b/src/gallium/auxiliary/draw/draw_vertex_fetch.c @@ -473,7 +473,7 @@ void draw_update_vertex_fetch( struct draw_context *draw ) if (!draw->vertex_shader) return; - nr_attrs = draw->vertex_shader->state->num_inputs; + nr_attrs = draw->vertex_shader->info.num_inputs; for (i = 0; i < nr_attrs; i++) { unsigned buf = draw->vertex_element[i].vertex_buffer_index; diff --git a/src/gallium/auxiliary/draw/draw_vertex_shader.c b/src/gallium/auxiliary/draw/draw_vertex_shader.c index 5d2f5c9c43a..1e953555554 100644 --- a/src/gallium/auxiliary/draw/draw_vertex_shader.c +++ b/src/gallium/auxiliary/draw/draw_vertex_shader.c @@ -91,15 +91,16 @@ draw_create_vertex_shader(struct draw_context *draw, struct draw_vertex_shader *vs; vs = draw_create_vs_llvm( draw, shader ); - if (vs) - return vs; + if (!vs) { + vs = draw_create_vs_sse( draw, shader ); + if (!vs) { + vs = draw_create_vs_exec( draw, shader ); + } + } + assert(vs); - vs = draw_create_vs_sse( draw, shader ); - if (vs) - return vs; + tgsi_scan_shader(shader->tokens, &vs->info); - vs = draw_create_vs_exec( draw, shader ); - assert(vs); return vs; } @@ -111,7 +112,7 @@ draw_bind_vertex_shader(struct draw_context *draw, draw_do_flush( draw, DRAW_FLUSH_STATE_CHANGE ); draw->vertex_shader = dvs; - draw->num_vs_outputs = dvs->state->num_outputs; + draw->num_vs_outputs = dvs->info.num_outputs; tgsi_exec_machine_init(&draw->machine); diff --git a/src/gallium/auxiliary/draw/draw_vs_exec.c b/src/gallium/auxiliary/draw/draw_vs_exec.c index 8588879400a..583812aadd2 100644 --- a/src/gallium/auxiliary/draw/draw_vs_exec.c +++ b/src/gallium/auxiliary/draw/draw_vs_exec.c @@ -103,7 +103,7 @@ vs_exec_run( struct draw_vertex_shader *shader, const float *trans = draw->viewport.translate; assert(count <= 4); - assert(draw->vertex_shader->state->output_semantic_name[0] + assert(draw->vertex_shader->info.output_semantic_name[0] == TGSI_SEMANTIC_POSITION); machine->Consts = (float (*)[4]) draw->user.constants; diff --git a/src/gallium/auxiliary/draw/draw_vs_sse.c b/src/gallium/auxiliary/draw/draw_vs_sse.c index 11ef0c503dc..0b8bc2bf144 100644 --- a/src/gallium/auxiliary/draw/draw_vs_sse.c +++ b/src/gallium/auxiliary/draw/draw_vs_sse.c @@ -119,7 +119,7 @@ vs_sse_run( struct draw_vertex_shader *base, const float *trans = draw->viewport.translate; assert(count <= 4); - assert(draw->vertex_shader->state->output_semantic_name[0] + assert(draw->vertex_shader->info.output_semantic_name[0] == TGSI_SEMANTIC_POSITION); /* Consts does not require 16 byte alignment. */ diff --git a/src/gallium/auxiliary/draw/draw_wide_line.c b/src/gallium/auxiliary/draw/draw_wide_line.c new file mode 100644 index 00000000000..946a983f008 --- /dev/null +++ b/src/gallium/auxiliary/draw/draw_wide_line.c @@ -0,0 +1,187 @@ +/************************************************************************** + * + * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * 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 + * 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. + * + **************************************************************************/ + +/* Authors: Keith Whitwell <[email protected]> + */ + +#include "pipe/p_util.h" +#include "pipe/p_defines.h" +#include "pipe/p_shader_tokens.h" +#include "draw_private.h" + + +struct wideline_stage { + struct draw_stage stage; + + float half_line_width; +}; + + + +static INLINE struct wideline_stage *wideline_stage( struct draw_stage *stage ) +{ + return (struct wideline_stage *)stage; +} + + +static void wideline_point( struct draw_stage *stage, + struct prim_header *header ) +{ + stage->next->point( stage->next, header ); +} + + +static void wideline_tri( struct draw_stage *stage, + struct prim_header *header ) +{ + stage->next->tri(stage->next, header); +} + + +/** + * Draw a wide line by drawing a quad (two triangles). + * XXX need to disable polygon stipple. + */ +static void wideline_line( struct draw_stage *stage, + struct prim_header *header ) +{ + /*const struct wideline_stage *wide = wideline_stage(stage);*/ + const float half_width = 0.5f * stage->draw->rasterizer->line_width; + + struct prim_header tri; + + struct vertex_header *v0 = dup_vert(stage, header->v[0], 0); + struct vertex_header *v1 = dup_vert(stage, header->v[0], 1); + struct vertex_header *v2 = dup_vert(stage, header->v[1], 2); + struct vertex_header *v3 = dup_vert(stage, header->v[1], 3); + + float *pos0 = v0->data[0]; + float *pos1 = v1->data[0]; + float *pos2 = v2->data[0]; + float *pos3 = v3->data[0]; + + const float dx = FABSF(pos0[0] - pos2[0]); + const float dy = FABSF(pos0[1] - pos2[1]); + + /* + * Draw wide line as a quad (two tris) by "stretching" the line along + * X or Y. + * We need to tweak coords in several ways to be conformant here. + */ + + if (dx > dy) { + /* x-major line */ + pos0[1] = pos0[1] - half_width - 0.25f; + pos1[1] = pos1[1] + half_width - 0.25f; + pos2[1] = pos2[1] - half_width - 0.25f; + pos3[1] = pos3[1] + half_width - 0.25f; + if (pos0[0] < pos2[0]) { + /* left to right line */ + pos0[0] -= 0.5f; + pos1[0] -= 0.5f; + pos2[0] -= 0.5f; + pos3[0] -= 0.5f; + } + else { + /* right to left line */ + pos0[0] += 0.5f; + pos1[0] += 0.5f; + pos2[0] += 0.5f; + pos3[0] += 0.5f; + } + } + else { + /* y-major line */ + pos0[0] = pos0[0] - half_width + 0.25f; + pos1[0] = pos1[0] + half_width + 0.25f; + pos2[0] = pos2[0] - half_width + 0.25f; + pos3[0] = pos3[0] + half_width + 0.25f; + if (pos0[1] < pos2[1]) { + /* top to bottom line */ + pos0[1] -= 0.5f; + pos1[1] -= 0.5f; + pos2[1] -= 0.5f; + pos3[1] -= 0.5f; + } + else { + /* bottom to top line */ + pos0[1] += 0.5f; + pos1[1] += 0.5f; + pos2[1] += 0.5f; + pos3[1] += 0.5f; + } + } + + tri.det = header->det; /* only the sign matters */ + tri.v[0] = v0; + tri.v[1] = v2; + tri.v[2] = v3; + stage->next->tri( stage->next, &tri ); + + tri.v[0] = v0; + tri.v[1] = v3; + tri.v[2] = v1; + stage->next->tri( stage->next, &tri ); +} + + +static void wideline_flush( struct draw_stage *stage, unsigned flags ) +{ + stage->next->flush( stage->next, flags ); +} + + +static void wideline_reset_stipple_counter( struct draw_stage *stage ) +{ + stage->next->reset_stipple_counter( stage->next ); +} + + +static void wideline_destroy( struct draw_stage *stage ) +{ + draw_free_temp_verts( stage ); + FREE( stage ); +} + + +struct draw_stage *draw_wide_line_stage( struct draw_context *draw ) +{ + struct wideline_stage *wide = CALLOC_STRUCT(wideline_stage); + + draw_alloc_temp_verts( &wide->stage, 4 ); + + wide->stage.draw = draw; + wide->stage.next = NULL; + wide->stage.point = wideline_point; + wide->stage.line = wideline_line; + wide->stage.tri = wideline_tri; + wide->stage.flush = wideline_flush; + wide->stage.reset_stipple_counter = wideline_reset_stipple_counter; + wide->stage.destroy = wideline_destroy; + + return &wide->stage; +} diff --git a/src/gallium/auxiliary/draw/draw_wide_point.c b/src/gallium/auxiliary/draw/draw_wide_point.c new file mode 100644 index 00000000000..8f877a102a5 --- /dev/null +++ b/src/gallium/auxiliary/draw/draw_wide_point.c @@ -0,0 +1,257 @@ +/************************************************************************** + * + * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * 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 + * 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. + * + **************************************************************************/ + +/* Authors: Keith Whitwell <[email protected]> + */ + +#include "pipe/p_util.h" +#include "pipe/p_defines.h" +#include "pipe/p_shader_tokens.h" +#include "draw_private.h" + + +struct widepoint_stage { + struct draw_stage stage; + + float half_point_size; + + uint texcoord_slot[PIPE_MAX_SHADER_OUTPUTS]; + uint texcoord_mode[PIPE_MAX_SHADER_OUTPUTS]; + uint num_texcoords; + + int psize_slot; +}; + + + +static INLINE struct widepoint_stage * +widepoint_stage( struct draw_stage *stage ) +{ + return (struct widepoint_stage *)stage; +} + + +static void passthrough_point( struct draw_stage *stage, + struct prim_header *header ) +{ + stage->next->point( stage->next, header ); +} + +static void widepoint_line( struct draw_stage *stage, + struct prim_header *header ) +{ + stage->next->line(stage->next, header); +} + +static void widepoint_tri( struct draw_stage *stage, + struct prim_header *header ) +{ + stage->next->tri(stage->next, header); +} + + +/** + * Set the vertex texcoords for sprite mode. + * Coords may be left untouched or set to a right-side-up or upside-down + * orientation. + */ +static void set_texcoords(const struct widepoint_stage *wide, + struct vertex_header *v, const float tc[4]) +{ + uint i; + for (i = 0; i < wide->num_texcoords; i++) { + if (wide->texcoord_mode[i] != PIPE_SPRITE_COORD_NONE) { + uint j = wide->texcoord_slot[i]; + v->data[j][0] = tc[0]; + if (wide->texcoord_mode[i] == PIPE_SPRITE_COORD_LOWER_LEFT) + v->data[j][1] = 1.0f - tc[1]; + else + v->data[j][1] = tc[1]; + v->data[j][2] = tc[2]; + v->data[j][3] = tc[3]; + } + } +} + + +/* If there are lots of sprite points (and why wouldn't there be?) it + * would probably be more sensible to change hardware setup to + * optimize this rather than doing the whole thing in software like + * this. + */ +static void widepoint_point( struct draw_stage *stage, + struct prim_header *header ) +{ + const struct widepoint_stage *wide = widepoint_stage(stage); + const boolean sprite = (boolean) stage->draw->rasterizer->point_sprite; + float half_size; + float left_adj, right_adj; + + struct prim_header tri; + + /* four dups of original vertex */ + struct vertex_header *v0 = dup_vert(stage, header->v[0], 0); + struct vertex_header *v1 = dup_vert(stage, header->v[0], 1); + struct vertex_header *v2 = dup_vert(stage, header->v[0], 2); + struct vertex_header *v3 = dup_vert(stage, header->v[0], 3); + + float *pos0 = v0->data[0]; + float *pos1 = v1->data[0]; + float *pos2 = v2->data[0]; + float *pos3 = v3->data[0]; + + /* point size is either per-vertex or fixed size */ + if (wide->psize_slot >= 0) { + half_size = 0.5f * header->v[0]->data[wide->psize_slot][0]; + } + else { + half_size = wide->half_point_size; + } + + left_adj = -half_size; /* + 0.25f;*/ + right_adj = half_size; /* + 0.25f;*/ + + pos0[0] += left_adj; + pos0[1] -= half_size; + + pos1[0] += left_adj; + pos1[1] += half_size; + + pos2[0] += right_adj; + pos2[1] -= half_size; + + pos3[0] += right_adj; + pos3[1] += half_size; + + if (sprite) { + static const float tex00[4] = { 0, 0, 0, 1 }; + static const float tex01[4] = { 0, 1, 0, 1 }; + static const float tex11[4] = { 1, 1, 0, 1 }; + static const float tex10[4] = { 1, 0, 0, 1 }; + set_texcoords( wide, v0, tex00 ); + set_texcoords( wide, v1, tex01 ); + set_texcoords( wide, v2, tex10 ); + set_texcoords( wide, v3, tex11 ); + } + + tri.det = header->det; /* only the sign matters */ + tri.v[0] = v0; + tri.v[1] = v2; + tri.v[2] = v3; + stage->next->tri( stage->next, &tri ); + + tri.v[0] = v0; + tri.v[1] = v3; + tri.v[2] = v1; + stage->next->tri( stage->next, &tri ); +} + + +static void widepoint_first_point( struct draw_stage *stage, + struct prim_header *header ) +{ + struct widepoint_stage *wide = widepoint_stage(stage); + struct draw_context *draw = stage->draw; + + wide->half_point_size = 0.5f * draw->rasterizer->point_size; + + /* XXX we won't know the real size if it's computed by the vertex shader! */ + if (draw->rasterizer->point_size > draw->wide_point_threshold) { + stage->point = widepoint_point; + } + else { + stage->point = passthrough_point; + } + + if (draw->rasterizer->point_sprite) { + /* find vertex shader texcoord outputs */ + const struct draw_vertex_shader *vs = draw->vertex_shader; + uint i, j = 0; + for (i = 0; i < vs->info.num_outputs; i++) { + if (vs->info.output_semantic_name[i] == TGSI_SEMANTIC_GENERIC) { + wide->texcoord_slot[j] = i; + wide->texcoord_mode[j] = draw->rasterizer->sprite_coord_mode[j]; + j++; + } + } + wide->num_texcoords = j; + } + + wide->psize_slot = -1; + if (draw->rasterizer->point_size_per_vertex) { + /* find PSIZ vertex output */ + const struct draw_vertex_shader *vs = draw->vertex_shader; + uint i; + for (i = 0; i < vs->info.num_outputs; i++) { + if (vs->info.output_semantic_name[i] == TGSI_SEMANTIC_PSIZE) { + wide->psize_slot = i; + break; + } + } + } + + stage->point( stage, header ); +} + + +static void widepoint_flush( struct draw_stage *stage, unsigned flags ) +{ + stage->point = widepoint_first_point; + stage->next->flush( stage->next, flags ); +} + + +static void widepoint_reset_stipple_counter( struct draw_stage *stage ) +{ + stage->next->reset_stipple_counter( stage->next ); +} + + +static void widepoint_destroy( struct draw_stage *stage ) +{ + draw_free_temp_verts( stage ); + FREE( stage ); +} + + +struct draw_stage *draw_wide_point_stage( struct draw_context *draw ) +{ + struct widepoint_stage *wide = CALLOC_STRUCT(widepoint_stage); + + draw_alloc_temp_verts( &wide->stage, 4 ); + + wide->stage.draw = draw; + wide->stage.next = NULL; + wide->stage.point = widepoint_first_point; + wide->stage.line = widepoint_line; + wide->stage.tri = widepoint_tri; + wide->stage.flush = widepoint_flush; + wide->stage.reset_stipple_counter = widepoint_reset_stipple_counter; + wide->stage.destroy = widepoint_destroy; + + return &wide->stage; +} diff --git a/src/gallium/auxiliary/draw/draw_wide_prims.c b/src/gallium/auxiliary/draw/draw_wide_prims.c index 1f8069bdcaa..d6bff110b40 100644 --- a/src/gallium/auxiliary/draw/draw_wide_prims.c +++ b/src/gallium/auxiliary/draw/draw_wide_prims.c @@ -219,8 +219,8 @@ static void wide_point( struct draw_stage *stage, half_size = wide->half_point_size; } - left_adj = -half_size + 0.25f; - right_adj = half_size + 0.25f; + left_adj = -half_size; /* + 0.25f;*/ + right_adj = half_size; /* + 0.25f;*/ pos0[0] += left_adj; pos0[1] -= half_size; @@ -266,7 +266,8 @@ static void wide_first_point( struct draw_stage *stage, wide->half_point_size = 0.5f * draw->rasterizer->point_size; - if (draw->rasterizer->point_size != 1.0) { + /* XXX we won't know the real size if it's computed by the vertex shader! */ + if (draw->rasterizer->point_size > draw->wide_point_threshold) { stage->point = wide_point; } else { @@ -277,8 +278,8 @@ static void wide_first_point( struct draw_stage *stage, /* find vertex shader texcoord outputs */ const struct draw_vertex_shader *vs = draw->vertex_shader; uint i, j = 0; - for (i = 0; i < vs->state->num_outputs; i++) { - if (vs->state->output_semantic_name[i] == TGSI_SEMANTIC_GENERIC) { + for (i = 0; i < vs->info.num_outputs; i++) { + if (vs->info.output_semantic_name[i] == TGSI_SEMANTIC_GENERIC) { wide->texcoord_slot[j] = i; wide->texcoord_mode[j] = draw->rasterizer->sprite_coord_mode[j]; j++; @@ -293,8 +294,8 @@ static void wide_first_point( struct draw_stage *stage, /* find PSIZ vertex output */ const struct draw_vertex_shader *vs = draw->vertex_shader; uint i; - for (i = 0; i < vs->state->num_outputs; i++) { - if (vs->state->output_semantic_name[i] == TGSI_SEMANTIC_PSIZE) { + for (i = 0; i < vs->info.num_outputs; i++) { + if (vs->info.output_semantic_name[i] == TGSI_SEMANTIC_PSIZE) { wide->psize_slot = i; break; } |