diff options
Diffstat (limited to 'src/gallium/drivers/svga/svga_pipe_rasterizer.c')
| -rw-r--r-- | src/gallium/drivers/svga/svga_pipe_rasterizer.c | 158 |
1 files changed, 140 insertions, 18 deletions
diff --git a/src/gallium/drivers/svga/svga_pipe_rasterizer.c b/src/gallium/drivers/svga/svga_pipe_rasterizer.c index 356898a86e7..a7aadac0111 100644 --- a/src/gallium/drivers/svga/svga_pipe_rasterizer.c +++ b/src/gallium/drivers/svga/svga_pipe_rasterizer.c @@ -23,16 +23,18 @@ * **********************************************************/ +#include "pipe/p_defines.h" #include "draw/draw_context.h" +#include "util/u_bitmask.h" #include "util/u_inlines.h" -#include "pipe/p_defines.h" #include "util/u_math.h" #include "util/u_memory.h" +#include "svga_cmd.h" #include "svga_context.h" +#include "svga_hw_reg.h" #include "svga_screen.h" -#include "svga_hw_reg.h" /* Hardware frontwinding is always set up as SVGA3D_FRONTWINDING_CW. */ @@ -61,6 +63,96 @@ static SVGA3dShadeMode svga_translate_flatshade( unsigned mode ) } +static unsigned +translate_fill_mode(unsigned fill) +{ + switch (fill) { + case PIPE_POLYGON_MODE_POINT: + return SVGA3D_FILLMODE_POINT; + case PIPE_POLYGON_MODE_LINE: + return SVGA3D_FILLMODE_LINE; + case PIPE_POLYGON_MODE_FILL: + return SVGA3D_FILLMODE_FILL; + default: + assert(!"Bad fill mode"); + return SVGA3D_FILLMODE_FILL; + } +} + + +static unsigned +translate_cull_mode(unsigned cull) +{ + switch (cull) { + case PIPE_FACE_NONE: + return SVGA3D_CULL_NONE; + case PIPE_FACE_FRONT: + return SVGA3D_CULL_FRONT; + case PIPE_FACE_BACK: + return SVGA3D_CULL_BACK; + case PIPE_FACE_FRONT_AND_BACK: + /* NOTE: we simply no-op polygon drawing in svga_draw_vbo() */ + return SVGA3D_CULL_NONE; + default: + assert(!"Bad cull mode"); + return SVGA3D_CULL_NONE; + } +} + + +static void +define_rasterizer_object(struct svga_context *svga, + struct svga_rasterizer_state *rast) +{ + unsigned fill_mode = translate_fill_mode(rast->templ.fill_front); + unsigned cull_mode = translate_cull_mode(rast->templ.cull_face); + int depth_bias = rast->templ.offset_units; + float slope_scaled_depth_bias = rast->templ.offset_scale; + float depth_bias_clamp = 0.0; /* XXX fix me */ + unsigned try; + const float line_width = rast->templ.line_width > 0.0f ? + rast->templ.line_width : 1.0f; + const uint8 line_factor = rast->templ.line_stipple_enable ? + rast->templ.line_stipple_factor : 0; + const uint16 line_pattern = rast->templ.line_stipple_enable ? + rast->templ.line_stipple_pattern : 0; + + rast->id = util_bitmask_add(svga->rast_object_id_bm); + + if (rast->templ.fill_front != rast->templ.fill_back) { + /* The VGPU10 device can't handle different front/back fill modes. + * We'll handle that with a swtnl/draw fallback. But we need to + * make sure we always fill triangles in that case. + */ + fill_mode = SVGA3D_FILLMODE_FILL; + } + + for (try = 0; try < 2; try++) { + enum pipe_error ret = + SVGA3D_vgpu10_DefineRasterizerState(svga->swc, + rast->id, + fill_mode, + cull_mode, + rast->templ.front_ccw, + depth_bias, + depth_bias_clamp, + slope_scaled_depth_bias, + rast->templ.depth_clip, + rast->templ.scissor, + rast->templ.multisample, + rast->templ.line_smooth, + line_width, + rast->templ.line_stipple_enable, + line_factor, + line_pattern, + !rast->templ.flatshade_first); + if (ret == PIPE_OK) + return; + svga_context_flush(svga, NULL); + } +} + + static void * svga_create_rasterizer_state(struct pipe_context *pipe, const struct pipe_rasterizer_state *templ) @@ -92,17 +184,24 @@ svga_create_rasterizer_state(struct pipe_context *pipe, rast->antialiasedlineenable = templ->line_smooth; rast->lastpixel = templ->line_last_pixel; rast->pointsprite = templ->sprite_coord_enable != 0x0; - rast->pointsize = templ->point_size; - rast->hw_unfilled = PIPE_POLYGON_MODE_FILL; + + if (templ->point_smooth) { + /* For smooth points we need to generate fragments for at least + * a 2x2 region. Otherwise the quad we draw may be too small and + * we may generate no fragments at all. + */ + rast->pointsize = MAX2(2.0f, templ->point_size); + } + else { + rast->pointsize = templ->point_size; + } + + rast->hw_fillmode = PIPE_POLYGON_MODE_FILL; /* Use swtnl + decomposition implement these: */ - if (templ->poly_stipple_enable) { - rast->need_pipeline |= SVGA_PIPELINE_FLAG_TRIS; - rast->need_pipeline_tris_str = "poly stipple"; - } - if (screen->maxLineWidth > 1.0F) { + if (templ->line_width <= screen->maxLineWidth) { /* pass line width to device */ rast->linewidth = MAX2(1.0F, templ->line_width); } @@ -129,7 +228,7 @@ svga_create_rasterizer_state(struct pipe_context *pipe, } } - if (templ->point_smooth) { + if (!svga_have_vgpu10(svga) && templ->point_smooth) { rast->need_pipeline |= SVGA_PIPELINE_FLAG_POINTS; rast->need_pipeline_points_str = "smooth points"; } @@ -231,13 +330,13 @@ svga_create_rasterizer_state(struct pipe_context *pipe, rast->depthbias = templ->offset_units; } - rast->hw_unfilled = fill; + rast->hw_fillmode = fill; } if (rast->need_pipeline & SVGA_PIPELINE_FLAG_TRIS) { /* Turn off stuff which will get done in the draw module: */ - rast->hw_unfilled = PIPE_POLYGON_MODE_FILL; + rast->hw_fillmode = PIPE_POLYGON_MODE_FILL; rast->slopescaledepthbias = 0; rast->depthbias = 0; } @@ -249,6 +348,10 @@ svga_create_rasterizer_state(struct pipe_context *pipe, debug_printf(" tris: %s \n", rast->need_pipeline_tris_str); } + if (svga_have_vgpu10(svga)) { + define_rasterizer_object(svga, rast); + } + return rast; } @@ -258,18 +361,37 @@ static void svga_bind_rasterizer_state( struct pipe_context *pipe, struct svga_context *svga = svga_context(pipe); struct svga_rasterizer_state *raster = (struct svga_rasterizer_state *)state; - - draw_set_rasterizer_state(svga->swtnl.draw, raster ? &raster->templ : NULL, - state); svga->curr.rast = raster; svga->dirty |= SVGA_NEW_RAST; + + if (raster && raster->templ.poly_stipple_enable) { + svga->dirty |= SVGA_NEW_STIPPLE; + } } -static void svga_delete_rasterizer_state(struct pipe_context *pipe, - void *raster) +static void +svga_delete_rasterizer_state(struct pipe_context *pipe, void *state) { - FREE(raster); + struct svga_context *svga = svga_context(pipe); + struct svga_rasterizer_state *raster = + (struct svga_rasterizer_state *) state; + + if (svga_have_vgpu10(svga)) { + enum pipe_error ret = + SVGA3D_vgpu10_DestroyRasterizerState(svga->swc, raster->id); + if (ret != PIPE_OK) { + svga_context_flush(svga, NULL); + ret = SVGA3D_vgpu10_DestroyRasterizerState(svga->swc, raster->id); + } + + if (raster->id == svga->state.hw_draw.rasterizer_id) + svga->state.hw_draw.rasterizer_id = SVGA3D_INVALID_ID; + + util_bitmask_clear(svga->rast_object_id_bm, raster->id); + } + + FREE(state); } |