X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fgallium%2Fdrivers%2Fsoftpipe%2Fsp_quad_stipple.c;h=a0527a596a64114398641d6c14f6999e7a6f285e;hb=55770d09c18c4d33403abb97dfef4f897efbbe2a;hp=ec7bb3c95e20ff0e69654e391e4b52a043ae8735;hpb=253d2d1676e07ddfc566f3761e409f9cabde1937;p=mesa.git diff --git a/src/gallium/drivers/softpipe/sp_quad_stipple.c b/src/gallium/drivers/softpipe/sp_quad_stipple.c index ec7bb3c95e2..a0527a596a6 100644 --- a/src/gallium/drivers/softpipe/sp_quad_stipple.c +++ b/src/gallium/drivers/softpipe/sp_quad_stipple.c @@ -14,30 +14,27 @@ * Apply polygon stipple to quads produced by triangle rasterization */ static void -stipple_quad(struct quad_stage *qs, struct quad_header *quad) +stipple_quad(struct quad_stage *qs, struct quad_header *quads[], unsigned nr) { static const uint bit31 = 1 << 31; static const uint bit30 = 1 << 30; + unsigned pass = nr; + + struct softpipe_context *softpipe = qs->softpipe; + unsigned q; + + pass = 0; + + for (q = 0; q < nr; q++) { + struct quad_header *quad = quads[q]; - if (quad->input.prim == QUAD_PRIM_TRI) { - struct softpipe_context *softpipe = qs->softpipe; - /* need to invert Y to index into OpenGL's stipple pattern */ - int y0, y1; - uint stipple0, stipple1; - if (softpipe->rasterizer->origin_lower_left) { - y0 = softpipe->framebuffer.height - 1 - quad->input.y0; - y1 = y0 - 1; - } - else { - y0 = quad->input.y0; - y1 = y0 + 1; - } - stipple0 = softpipe->poly_stipple.stipple[y0 % 32]; - stipple1 = softpipe->poly_stipple.stipple[y1 % 32]; - -#if 1 - { const int col0 = quad->input.x0 % 32; + const int y0 = quad->input.y0; + const int y1 = y0 + 1; + const uint stipple0 = softpipe->poly_stipple.stipple[y0 % 32]; + const uint stipple1 = softpipe->poly_stipple.stipple[y1 % 32]; + + /* turn off quad mask bits that fail the stipple test */ if ((stipple0 & (bit31 >> col0)) == 0) quad->inout.mask &= ~MASK_TOP_LEFT; @@ -49,22 +46,12 @@ stipple_quad(struct quad_stage *qs, struct quad_header *quad) if ((stipple1 & (bit30 >> col0)) == 0) quad->inout.mask &= ~MASK_BOTTOM_RIGHT; - } -#else - /* We'd like to use this code, but we'd need to redefine - * MASK_TOP_LEFT to be (1 << 1) and MASK_TOP_RIGHT to be (1 << 0), - * and similarly for the BOTTOM bits. But that may have undesirable - * side effects elsewhere. - */ - const int col0 = 30 - (quad->input.x0 % 32); - quad->inout.mask &= (((stipple0 >> col0) & 0x3) | - (((stipple1 >> col0) & 0x3) << 2)); -#endif - if (!quad->inout.mask) - return; + + if (quad->inout.mask) + quads[pass++] = quad; } - qs->next->run(qs->next, quad); + qs->next->run(qs->next, quads, pass); }