diff options
| author | Brian <brian.paul@tungstengraphics.com> | 2008-03-13 15:07:14 -0600 |
|---|---|---|
| committer | Brian <brian.paul@tungstengraphics.com> | 2008-03-13 15:08:18 -0600 |
| commit | 3e625ce18e35b2b0343962f93480abf4bf9b188a (patch) | |
| tree | 77d083311fafcf2cd6a105228b268e8ad155bab3 /src | |
| parent | 69c39b9ae28764194a6d310d58aa36b7ac596aa9 (diff) | |
gallium: add some temporary code for testing draw module vertex passthrough
Set TEST_DRAW_PASSTHROUGH=1, run progs/trivial/clear-scissor
Diffstat (limited to 'src')
| -rw-r--r-- | src/mesa/state_tracker/st_cb_clear.c | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/src/mesa/state_tracker/st_cb_clear.c b/src/mesa/state_tracker/st_cb_clear.c index cc8a136292..4fe6195a07 100644 --- a/src/mesa/state_tracker/st_cb_clear.c +++ b/src/mesa/state_tracker/st_cb_clear.c @@ -52,7 +52,8 @@ #include "cso_cache/cso_context.h" - +/* XXX for testing draw module vertex passthrough: */ +#define TEST_DRAW_PASSTHROUGH 0 static GLuint @@ -229,6 +230,12 @@ draw_quad(GLcontext *ctx, GLfloat verts[4][2][4]; /* four verts, two attribs, XYZW */ GLuint i; +#if TEST_DRAW_PASSTHROUGH + /* invert Y coords (may be off by one pixel) */ + y0 = ctx->DrawBuffer->Height - y0; + y1 = ctx->DrawBuffer->Height - y1; +#endif + /* positions */ verts[0][0][0] = x0; verts[0][0][1] = y0; @@ -336,6 +343,10 @@ clear_with_quad(GLcontext *ctx, if (ctx->Scissor.Enabled) raster.scissor = 1; #endif +#if TEST_DRAW_PASSTHROUGH + raster.bypass_clipping = 1; + raster.bypass_vs = 1; +#endif cso_set_rasterizer(st->cso_context, &raster); } @@ -348,6 +359,7 @@ clear_with_quad(GLcontext *ctx, pipe->bind_fs_state(pipe, stfp->driver_shader); } +#if !TEST_DRAW_PASSTHROUGH /* vertex shader state: color/position pass-through */ { static struct st_vertex_program *stvp = NULL; @@ -356,7 +368,9 @@ clear_with_quad(GLcontext *ctx, } pipe->bind_vs_state(pipe, stvp->driver_shader); } +#endif +#if !TEST_DRAW_PASSTHROUGH /* viewport state: viewport matching window dims */ { const float width = ctx->DrawBuffer->Width; @@ -372,6 +386,7 @@ clear_with_quad(GLcontext *ctx, vp.translate[3] = 0.0; pipe->set_viewport_state(pipe, &vp); } +#endif /* draw quad matching scissor rect (XXX verify coord round-off) */ draw_quad(ctx, x0, y0, x1, y1, ctx->Depth.Clear, ctx->Color.ClearColor); |