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authorBrian <brian.paul@tungstengraphics.com>2007-11-08 08:22:42 -0700
committerBrian <brian.paul@tungstengraphics.com>2007-11-08 08:48:14 -0700
commit44254b92480115e5c8a2d5cf78f99195c03701eb (patch)
tree086564302fdb3ac15ef1bf25c5da44a11fc42e5b /src/mesa/state_tracker
parent95128c1d4c88238a79ead6e36215a646f83bbdd3 (diff)
Added pipe->get_paramf() to query float limits.
So far max point size, line width, texture anistopy and lod bias.
Diffstat (limited to 'src/mesa/state_tracker')
-rw-r--r--src/mesa/state_tracker/st_extensions.c21
1 files changed, 21 insertions, 0 deletions
diff --git a/src/mesa/state_tracker/st_extensions.c b/src/mesa/state_tracker/st_extensions.c
index fc003d4776..97578e5002 100644
--- a/src/mesa/state_tracker/st_extensions.c
+++ b/src/mesa/state_tracker/st_extensions.c
@@ -42,6 +42,11 @@ static int min(int a, int b)
return (a < b) ? a : b;
}
+static int max(int a, int b)
+{
+ return (a > b) ? a : b;
+}
+
static int clamp(int a, int min, int max)
{
if (a < min)
@@ -85,6 +90,22 @@ void st_init_limits(struct st_context *st)
c->MaxDrawBuffers
= clamp(pipe->get_param(pipe, PIPE_CAP_MAX_RENDER_TARGETS),
1, MAX_DRAW_BUFFERS);
+
+ c->MaxLineWidth
+ = max(1.0, pipe->get_paramf(pipe, PIPE_CAP_MAX_LINE_WIDTH));
+ c->MaxLineWidthAA
+ = max(1.0, pipe->get_paramf(pipe, PIPE_CAP_MAX_LINE_WIDTH_AA));
+
+ c->MaxPointSize
+ = max(1.0, pipe->get_paramf(pipe, PIPE_CAP_MAX_POINT_WIDTH));
+ c->MaxPointSizeAA
+ = max(1.0, pipe->get_paramf(pipe, PIPE_CAP_MAX_POINT_WIDTH_AA));
+
+ c->MaxTextureMaxAnisotropy
+ = max(2.0, pipe->get_paramf(pipe, PIPE_CAP_MAX_TEXTURE_ANISOTROPY));
+
+ c->MaxTextureLodBias
+ = pipe->get_paramf(pipe, PIPE_CAP_MAX_TEXTURE_LOD_BIAS);
}