From 6c0dc4bafbdbdc0cb4b6e5934fe064226dbd47ec Mon Sep 17 00:00:00 2001 From: Keith Whitwell Date: Fri, 20 Aug 2010 15:52:58 +0100 Subject: draw: specialized cliptesting routines --- src/gallium/auxiliary/draw/draw_cliptest_tmp.h | 114 ++++++++ src/gallium/auxiliary/draw/draw_context.c | 31 ++- src/gallium/auxiliary/draw/draw_context.h | 3 +- src/gallium/auxiliary/draw/draw_pipe_validate.c | 2 +- src/gallium/auxiliary/draw/draw_private.h | 12 +- src/gallium/auxiliary/draw/draw_pt.c | 4 +- src/gallium/auxiliary/draw/draw_pt.h | 4 +- .../auxiliary/draw/draw_pt_fetch_shade_emit.c | 2 +- .../auxiliary/draw/draw_pt_fetch_shade_pipeline.c | 6 +- .../draw/draw_pt_fetch_shade_pipeline_llvm.c | 6 +- src/gallium/auxiliary/draw/draw_pt_post_vs.c | 288 ++++++++------------- src/gallium/drivers/r300/r300_context.c | 2 - src/gallium/drivers/svga/svga_swtnl_draw.c | 3 +- 13 files changed, 269 insertions(+), 208 deletions(-) create mode 100644 src/gallium/auxiliary/draw/draw_cliptest_tmp.h (limited to 'src/gallium') diff --git a/src/gallium/auxiliary/draw/draw_cliptest_tmp.h b/src/gallium/auxiliary/draw/draw_cliptest_tmp.h new file mode 100644 index 0000000000..958ed20dc8 --- /dev/null +++ b/src/gallium/auxiliary/draw/draw_cliptest_tmp.h @@ -0,0 +1,114 @@ +/************************************************************************** + * + * Copyright 2010, VMware, inc. + * 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 VMWARE 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. + * + **************************************************************************/ + + + +static boolean TAG(do_cliptest)( struct pt_post_vs *pvs, + struct draw_vertex_info *info ) +{ + struct vertex_header *out = info->verts; + const float *scale = pvs->draw->viewport.scale; + const float *trans = pvs->draw->viewport.translate; + /* const */ float (*plane)[4] = pvs->draw->plane; + const unsigned pos = draw_current_shader_position_output(pvs->draw); + const unsigned ef = pvs->draw->vs.edgeflag_output; + const unsigned nr = pvs->draw->nr_planes; + const unsigned flags = (FLAGS); + unsigned need_pipeline = 0; + unsigned j; + + for (j = 0; j < info->count; j++) { + float *position = out->data[pos]; + unsigned mask = 0x0; + + initialize_vertex_header(out); + + if (flags & (DO_CLIP_XY | DO_CLIP_FULL_Z | DO_CLIP_HALF_Z | DO_CLIP_USER)) { + out->clip[0] = position[0]; + out->clip[1] = position[1]; + out->clip[2] = position[2]; + out->clip[3] = position[3]; + + /* Do the hardwired planes first: + */ + if (flags & DO_CLIP_XY) { + if (-position[0] + position[3] < 0) mask |= (1<<0); + if ( position[0] + position[3] < 0) mask |= (1<<1); + if (-position[1] + position[3] < 0) mask |= (1<<2); + if ( position[1] + position[3] < 0) mask |= (1<<3); + } + + /* Clip Z planes according to full cube, half cube or none. + */ + if (flags & DO_CLIP_FULL_Z) { + if ( position[2] + position[3] < 0) mask |= (1<<4); + if (-position[2] + position[3] < 0) mask |= (1<<5); + } + else if (flags & DO_CLIP_HALF_Z) { + if ( position[2] < 0) mask |= (1<<4); + if (-position[2] + position[3] < 0) mask |= (1<<5); + } + + if (flags & DO_CLIP_USER) { + unsigned i; + for (i = 6; i < nr; i++) { + if (dot4(position, plane[i]) < 0) + mask |= (1<clipmask = mask; + need_pipeline |= out->clipmask; + } + + if ((flags & DO_VIEWPORT) && mask == 0) + { + /* divide by w */ + float w = 1.0f / position[3]; + + /* Viewport mapping */ + position[0] = position[0] * w * scale[0] + trans[0]; + position[1] = position[1] * w * scale[1] + trans[1]; + position[2] = position[2] * w * scale[2] + trans[2]; + position[3] = w; + } + + if ((flags & DO_EDGEFLAG) && ef) { + const float *edgeflag = out->data[ef]; + out->edgeflag = !(edgeflag[0] != 1.0f); + need_pipeline |= !out->edgeflag; + } + + out = (struct vertex_header *)( (char *)out + info->stride ); + } + + return need_pipeline != 0; +} + + +#undef FLAGS +#undef TAG diff --git a/src/gallium/auxiliary/draw/draw_context.c b/src/gallium/auxiliary/draw/draw_context.c index b39b835f05..937b093479 100644 --- a/src/gallium/auxiliary/draw/draw_context.c +++ b/src/gallium/auxiliary/draw/draw_context.c @@ -106,6 +106,8 @@ boolean draw_init(struct draw_context *draw) ASSIGN_4V( draw->plane[4], 0, 0, 1, 1 ); /* yes these are correct */ ASSIGN_4V( draw->plane[5], 0, 0, -1, 1 ); /* mesa's a bit wonky */ draw->nr_planes = 6; + draw->clip_xy = 1; + draw->clip_z = 1; draw->reduced_prim = ~0; /* != any of PIPE_PRIM_x */ @@ -186,6 +188,14 @@ void draw_set_mrd(struct draw_context *draw, double mrd) } +static void update_clip_flags( struct draw_context *draw ) +{ + draw->clip_xy = !draw->driver.bypass_clip_xy; + draw->clip_z = (!draw->driver.bypass_clip_z && + !draw->depth_clamp); + draw->clip_user = (draw->nr_planes > 6); +} + /** * Register new primitive rasterization/rendering state. * This causes the drawing pipeline to be rebuilt. @@ -200,18 +210,25 @@ void draw_set_rasterizer_state( struct draw_context *draw, draw->rasterizer = raster; draw->rast_handle = rast_handle; - draw->bypass_clipping = draw->driver.bypass_clipping; - } + } } - +/* With a little more work, llvmpipe will be able to turn this off and + * do its own x/y clipping. + * + * Some hardware can turn off clipping altogether - in particular any + * hardware with a TNL unit can do its own clipping, even if it is + * relying on the draw module for some other reason. + */ void draw_set_driver_clipping( struct draw_context *draw, - boolean bypass_clipping ) + boolean bypass_clip_xy, + boolean bypass_clip_z ) { draw_do_flush( draw, DRAW_FLUSH_STATE_CHANGE ); - draw->driver.bypass_clipping = bypass_clipping; - draw->bypass_clipping = draw->driver.bypass_clipping; + draw->driver.bypass_clip_xy = bypass_clip_xy; + draw->driver.bypass_clip_z = bypass_clip_z; + update_clip_flags(draw); } @@ -241,6 +258,8 @@ void draw_set_clip_state( struct draw_context *draw, memcpy(&draw->plane[6], clip->ucp, clip->nr * sizeof(clip->ucp[0])); draw->nr_planes = 6 + clip->nr; draw->depth_clamp = clip->depth_clamp; + + update_clip_flags(draw); } diff --git a/src/gallium/auxiliary/draw/draw_context.h b/src/gallium/auxiliary/draw/draw_context.h index ea55320c42..4c780e4dcb 100644 --- a/src/gallium/auxiliary/draw/draw_context.h +++ b/src/gallium/auxiliary/draw/draw_context.h @@ -212,7 +212,8 @@ void draw_set_render( struct draw_context *draw, struct vbuf_render *render ); void draw_set_driver_clipping( struct draw_context *draw, - boolean bypass_clipping ); + boolean bypass_clip_xy, + boolean bypass_clip_z ); void draw_set_force_passthrough( struct draw_context *draw, boolean enable ); diff --git a/src/gallium/auxiliary/draw/draw_pipe_validate.c b/src/gallium/auxiliary/draw/draw_pipe_validate.c index eafa29276f..8b92543987 100644 --- a/src/gallium/auxiliary/draw/draw_pipe_validate.c +++ b/src/gallium/auxiliary/draw/draw_pipe_validate.c @@ -265,7 +265,7 @@ static struct draw_stage *validate_pipeline( struct draw_stage *stage ) /* Clip stage */ - if (!draw->bypass_clipping) + if (draw->clip_xy || draw->clip_z || draw->clip_user) { draw->pipeline.clip->next = next; next = draw->pipeline.clip; diff --git a/src/gallium/auxiliary/draw/draw_private.h b/src/gallium/auxiliary/draw/draw_private.h index 7bc3923692..362f563ba6 100644 --- a/src/gallium/auxiliary/draw/draw_private.h +++ b/src/gallium/auxiliary/draw/draw_private.h @@ -176,13 +176,19 @@ struct draw_context } pt; struct { - boolean bypass_clipping; - boolean bypass_vs; + boolean bypass_clip_xy; + boolean bypass_clip_z; } driver; boolean flushing; /**< debugging/sanity */ boolean suspend_flushing; /**< internally set */ - boolean bypass_clipping; /**< set if either api or driver bypass_clipping true */ + + /* Flags set if API requires clipping in these planes and the + * driver doesn't indicate that it can do it for us. + */ + boolean clip_xy; + boolean clip_z; + boolean clip_user; boolean force_passthrough; /**< never clip or shade */ diff --git a/src/gallium/auxiliary/draw/draw_pt.c b/src/gallium/auxiliary/draw/draw_pt.c index f81714d6b4..f44bf2507c 100644 --- a/src/gallium/auxiliary/draw/draw_pt.c +++ b/src/gallium/auxiliary/draw/draw_pt.c @@ -86,7 +86,9 @@ draw_pt_arrays(struct draw_context *draw, opt |= PT_PIPELINE; } - if (!draw->bypass_clipping && !draw->pt.test_fse) { + if ((draw->clip_xy || + draw->clip_z || + draw->clip_user) && !draw->pt.test_fse) { opt |= PT_CLIPTEST; } diff --git a/src/gallium/auxiliary/draw/draw_pt.h b/src/gallium/auxiliary/draw/draw_pt.h index 0db5666529..5fbb424291 100644 --- a/src/gallium/auxiliary/draw/draw_pt.h +++ b/src/gallium/auxiliary/draw/draw_pt.h @@ -221,7 +221,9 @@ boolean draw_pt_post_vs_run( struct pt_post_vs *pvs, struct draw_vertex_info *info ); void draw_pt_post_vs_prepare( struct pt_post_vs *pvs, - boolean bypass_clipping, + boolean clip_xy, + boolean clip_z, + boolean clip_user, boolean bypass_viewport, boolean opengl, boolean need_edgeflags ); 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 4fbf88844a..7c198c6026 100644 --- a/src/gallium/auxiliary/draw/draw_pt_fetch_shade_emit.c +++ b/src/gallium/auxiliary/draw/draw_pt_fetch_shade_emit.c @@ -102,7 +102,7 @@ static void fse_prepare( struct draw_pt_middle_end *middle, fse->key.nr_inputs); /* inputs - fetch from api format */ fse->key.viewport = !draw->identity_viewport; - fse->key.clip = !draw->bypass_clipping; + fse->key.clip = draw->clip_xy || draw->clip_z || draw->clip_user; fse->key.const_vbuffers = 0; memset(fse->key.element, 0, 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 96b40fb363..b72fd61245 100644 --- a/src/gallium/auxiliary/draw/draw_pt_fetch_shade_pipeline.c +++ b/src/gallium/auxiliary/draw/draw_pt_fetch_shade_pipeline.c @@ -100,8 +100,10 @@ static void fetch_pipeline_prepare( struct draw_pt_middle_end *middle, * but gl vs dx9 clip spaces. */ draw_pt_post_vs_prepare( fpme->post_vs, - (boolean)draw->bypass_clipping, - (boolean)draw->identity_viewport, + draw->clip_xy, + draw->clip_z, + draw->clip_user, + draw->identity_viewport, (boolean)draw->rasterizer->gl_rasterization_rules, (draw->vs.edgeflag_output ? TRUE : FALSE) ); diff --git a/src/gallium/auxiliary/draw/draw_pt_fetch_shade_pipeline_llvm.c b/src/gallium/auxiliary/draw/draw_pt_fetch_shade_pipeline_llvm.c index cc0b4e5232..77291e304e 100644 --- a/src/gallium/auxiliary/draw/draw_pt_fetch_shade_pipeline_llvm.c +++ b/src/gallium/auxiliary/draw/draw_pt_fetch_shade_pipeline_llvm.c @@ -107,8 +107,10 @@ llvm_middle_end_prepare( struct draw_pt_middle_end *middle, * but gl vs dx9 clip spaces. */ draw_pt_post_vs_prepare( fpme->post_vs, - (boolean)draw->bypass_clipping, - (boolean)(draw->identity_viewport), + draw->clip_xy, + draw->clip_z, + draw->clip_user, + draw->identity_viewport, (boolean)draw->rasterizer->gl_rasterization_rules, (draw->vs.edgeflag_output ? TRUE : FALSE) ); diff --git a/src/gallium/auxiliary/draw/draw_pt_post_vs.c b/src/gallium/auxiliary/draw/draw_pt_post_vs.c index 308f927b77..769409cfd6 100644 --- a/src/gallium/auxiliary/draw/draw_pt_post_vs.c +++ b/src/gallium/auxiliary/draw/draw_pt_post_vs.c @@ -26,14 +26,26 @@ **************************************************************************/ #include "util/u_memory.h" +#include "util/u_math.h" #include "pipe/p_context.h" #include "draw/draw_context.h" #include "draw/draw_private.h" #include "draw/draw_pt.h" + +#define DO_CLIP_XY 0x1 +#define DO_CLIP_FULL_Z 0x2 +#define DO_CLIP_HALF_Z 0x4 +#define DO_CLIP_USER 0x8 +#define DO_VIEWPORT 0x10 +#define DO_EDGEFLAG 0x20 + + struct pt_post_vs { struct draw_context *draw; + unsigned flags; + boolean (*run)( struct pt_post_vs *pvs, struct draw_vertex_info *info ); }; @@ -56,186 +68,47 @@ dot4(const float *a, const float *b) a[3]*b[3]); } -static INLINE unsigned -compute_clipmask_gl(const float *clip, /*const*/ float plane[][4], unsigned nr, - boolean clip_depth) -{ - unsigned mask = 0x0; - unsigned i; +#define FLAGS (0) +#define TAG(x) x##_none +#include "draw_cliptest_tmp.h" -#if 0 - debug_printf("compute clipmask %f %f %f %f\n", - clip[0], clip[1], clip[2], clip[3]); - assert(clip[3] != 0.0); -#endif +#define FLAGS (DO_CLIP_XY | DO_CLIP_FULL_Z | DO_VIEWPORT) +#define TAG(x) x##_xy_fullz_viewport +#include "draw_cliptest_tmp.h" - /* Do the hardwired planes first: - */ - if (-clip[0] + clip[3] < 0) mask |= (1<<0); - if ( clip[0] + clip[3] < 0) mask |= (1<<1); - if (-clip[1] + clip[3] < 0) mask |= (1<<2); - if ( clip[1] + clip[3] < 0) mask |= (1<<3); - if (clip_depth) { - if ( clip[2] + clip[3] < 0) mask |= (1<<4); /* match mesa clipplane numbering - for now */ - if (-clip[2] + clip[3] < 0) mask |= (1<<5); /* match mesa clipplane numbering - for now */ - } +#define FLAGS (DO_CLIP_XY | DO_CLIP_HALF_Z | DO_VIEWPORT) +#define TAG(x) x##_xy_halfz_viewport +#include "draw_cliptest_tmp.h" - /* Followed by any remaining ones: - */ - for (i = 6; i < nr; i++) { - if (dot4(clip, plane[i]) < 0) - mask |= (1<verts; - const float *scale = pvs->draw->viewport.scale; - const float *trans = pvs->draw->viewport.translate; - const unsigned pos = draw_current_shader_position_output(pvs->draw); - unsigned clipped = 0; - unsigned j; - - if (0) debug_printf("%s count, %d\n", __FUNCTION__, info->count); - - for (j = 0; j < info->count; j++) { - float *position = out->data[pos]; - - initialize_vertex_header(out); -#if 0 - debug_printf("%d) io = %p, data = %p = [%f, %f, %f, %f]\n", - j, out, position, position[0], position[1], position[2], position[3]); -#endif - - out->clip[0] = position[0]; - out->clip[1] = position[1]; - out->clip[2] = position[2]; - out->clip[3] = position[3]; - - out->vertex_id = 0xffff; - /* Disable depth clipping if depth clamping is enabled. */ - out->clipmask = compute_clipmask_gl(out->clip, - pvs->draw->plane, - pvs->draw->nr_planes, - !pvs->draw->depth_clamp); - clipped += out->clipmask; - - if (out->clipmask == 0) - { - /* divide by w */ - float w = 1.0f / position[3]; - - /* Viewport mapping */ - position[0] = position[0] * w * scale[0] + trans[0]; - position[1] = position[1] * w * scale[1] + trans[1]; - position[2] = position[2] * w * scale[2] + trans[2]; - position[3] = w; -#if 0 - debug_printf("post viewport: %f %f %f %f\n", - position[0], - position[1], - position[2], - position[3]); -#endif - } - - out = (struct vertex_header *)( (char *)out + info->stride ); - } - - return clipped != 0; -} +#define FLAGS (DO_CLIP_XY | DO_CLIP_FULL_Z | DO_CLIP_USER | DO_VIEWPORT | DO_EDGEFLAG) +#define TAG(x) x##_xy_fullz_user_viewport_edgeflag +#include "draw_cliptest_tmp.h" -/* As above plus edgeflags +/* Don't want to create 64 versions of this function, so catch the + * less common ones here. This is looking like something which should + * be code-generated, perhaps appended to the end of the vertex + * shader. */ -static boolean -post_vs_cliptest_viewport_gl_edgeflag(struct pt_post_vs *pvs, - struct draw_vertex_info *info) -{ - unsigned j; - boolean needpipe; - - needpipe = post_vs_cliptest_viewport_gl(pvs, info); - - /* If present, copy edgeflag VS output into vertex header. - * Otherwise, leave header as is. - */ - if (pvs->draw->vs.edgeflag_output) { - struct vertex_header *out = info->verts; - int ef = pvs->draw->vs.edgeflag_output; - - for (j = 0; j < info->count; j++) { - const float *edgeflag = out->data[ef]; - out->edgeflag = !(edgeflag[0] != 1.0f); - needpipe |= !out->edgeflag; - out = (struct vertex_header *)( (char *)out + info->stride ); - } - } - return needpipe; -} - +#define FLAGS (pvs->flags) +#define TAG(x) x##_generic +#include "draw_cliptest_tmp.h" -/* If bypass_clipping is set, skip cliptest and rhw divide. - */ -static boolean post_vs_viewport( struct pt_post_vs *pvs, - struct draw_vertex_info *info ) -{ - struct vertex_header *out = info->verts; - const float *scale = pvs->draw->viewport.scale; - const float *trans = pvs->draw->viewport.translate; - const unsigned pos = draw_current_shader_position_output(pvs->draw); - unsigned j; - - if (0) debug_printf("%s\n", __FUNCTION__); - for (j = 0; j < info->count; j++) { - float *position = out->data[pos]; - - initialize_vertex_header(out); - /* Viewport mapping only, no cliptest/rhw divide - */ - position[0] = position[0] * scale[0] + trans[0]; - position[1] = position[1] * scale[1] + trans[1]; - position[2] = position[2] * scale[2] + trans[2]; - - out = (struct vertex_header *)((char *)out + info->stride); - } - - return FALSE; -} - - -/* If bypass_clipping is set and we have an identity viewport, nothing - * to do. - */ -static boolean post_vs_none( struct pt_post_vs *pvs, - struct draw_vertex_info *info ) -{ - struct vertex_header *out = info->verts; - unsigned j; - - if (0) debug_printf("%s\n", __FUNCTION__); - /* just initialize the vertex_id in all headers */ - for (j = 0; j < info->count; j++) { - initialize_vertex_header(out); - - out = (struct vertex_header *)((char *)out + info->stride); - } - return FALSE; -} - boolean draw_pt_post_vs_run( struct pt_post_vs *pvs, struct draw_vertex_info *info ) { @@ -244,31 +117,72 @@ boolean draw_pt_post_vs_run( struct pt_post_vs *pvs, void draw_pt_post_vs_prepare( struct pt_post_vs *pvs, - boolean bypass_clipping, + boolean clip_xy, + boolean clip_z, + boolean clip_user, boolean bypass_viewport, boolean opengl, boolean need_edgeflags ) { - if (!need_edgeflags) { - if (bypass_clipping) { - if (bypass_viewport) - pvs->run = post_vs_none; - else - pvs->run = post_vs_viewport; - } - else { - /* if (opengl) */ - pvs->run = post_vs_cliptest_viewport_gl; - } + pvs->flags = 0; + + if (clip_xy) + pvs->flags |= DO_CLIP_XY; + + if (clip_z && opengl) { + pvs->flags |= DO_CLIP_FULL_Z; + ASSIGN_4V( pvs->draw->plane[4], 0, 0, 1, 1 ); + } + + if (clip_z && !opengl) { + pvs->flags |= DO_CLIP_HALF_Z; + ASSIGN_4V( pvs->draw->plane[4], 0, 0, 1, 0 ); } - else { - /* If we need to copy edgeflags to the vertex header, it should - * mean we're running the primitive pipeline. Hence the bypass - * flags should be false. - */ - assert(!bypass_clipping); - assert(!bypass_viewport); - pvs->run = post_vs_cliptest_viewport_gl_edgeflag; + + if (clip_user) + pvs->flags |= DO_CLIP_USER; + + if (!bypass_viewport) + pvs->flags |= DO_VIEWPORT; + + if (need_edgeflags) + pvs->flags |= DO_EDGEFLAG; + + /* Now select the relevant function: + */ + switch (pvs->flags) { + case 0: + pvs->run = do_cliptest_none; + break; + + case DO_CLIP_XY | DO_CLIP_FULL_Z | DO_VIEWPORT: + pvs->run = do_cliptest_xy_fullz_viewport; + break; + + case DO_CLIP_XY | DO_CLIP_HALF_Z | DO_VIEWPORT: + pvs->run = do_cliptest_xy_halfz_viewport; + break; + + case DO_CLIP_FULL_Z | DO_VIEWPORT: + pvs->run = do_cliptest_fullz_viewport; + break; + + case DO_CLIP_HALF_Z | DO_VIEWPORT: + pvs->run = do_cliptest_halfz_viewport; + break; + + case DO_CLIP_XY | DO_CLIP_FULL_Z | DO_CLIP_USER | DO_VIEWPORT: + pvs->run = do_cliptest_xy_fullz_user_viewport; + break; + + case (DO_CLIP_XY | DO_CLIP_FULL_Z | DO_CLIP_USER | + DO_VIEWPORT | DO_EDGEFLAG): + pvs->run = do_cliptest_xy_fullz_user_viewport_edgeflag; + break; + + default: + pvs->run = do_cliptest_generic; + break; } } diff --git a/src/gallium/drivers/r300/r300_context.c b/src/gallium/drivers/r300/r300_context.c index 852d88af54..05f7d09316 100644 --- a/src/gallium/drivers/r300/r300_context.c +++ b/src/gallium/drivers/r300/r300_context.c @@ -431,8 +431,6 @@ struct pipe_context* r300_create_context(struct pipe_screen* screen, r300->draw = draw_create(&r300->context); /* Enable our renderer. */ draw_set_rasterize_stage(r300->draw, r300_draw_stage(r300)); - /* Enable Draw's clipping. */ - draw_set_driver_clipping(r300->draw, FALSE); /* Disable converting points/lines to triangles. */ draw_wide_line_threshold(r300->draw, 10000000.f); draw_wide_point_threshold(r300->draw, 10000000.f); diff --git a/src/gallium/drivers/svga/svga_swtnl_draw.c b/src/gallium/drivers/svga/svga_swtnl_draw.c index e9eba3b422..814e8edd70 100644 --- a/src/gallium/drivers/svga/svga_swtnl_draw.c +++ b/src/gallium/drivers/svga/svga_swtnl_draw.c @@ -151,7 +151,8 @@ boolean svga_init_swtnl( struct svga_context *svga ) draw_install_aapoint_stage(svga->swtnl.draw, &svga->pipe); draw_install_pstipple_stage(svga->swtnl.draw, &svga->pipe); - draw_set_driver_clipping(svga->swtnl.draw, debug_get_bool_option("SVGA_SWTNL_FSE", FALSE)); + if (debug_get_bool_option("SVGA_SWTNL_FSE", FALSE)) + draw_set_driver_clipping(svga->swtnl.draw, TRUE, TRUE); return TRUE; -- cgit v1.2.3