[Mesa-dev] [PATCH 1/2] mesa: set UniformBooleanTrue = 1.0f by default

[Marek Olšák]

From: Marek Olšák <marek.olsak at amd.com>

because NativeIntegers is 0 by default.

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=82882

Cc: 10.2 10.3 mesa-stable at lists.freedesktop.org
---

Untested. This should fix swrast. See the bugzilla link above.
The second patch fixes the same issue for Gallium/r300g.

 src/mesa/main/context.c | 3 +++
 src/mesa/main/macros.h  | 7 +++++++
 2 files changed, 10 insertions(+)

diff --git a/src/mesa/main/context.c b/src/mesa/main/context.c
index fbdbd68..8b5693e 100644
--- a/src/mesa/main/context.c
+++ b/src/mesa/main/context.c
@@ -653,6 +653,9 @@ _mesa_init_constants(struct gl_constants *consts, gl_api api)
    /* GL_ARB_framebuffer_object */
    consts->MaxSamples = 0;
 
+   /* GLSL default if NativeIntegers == FALSE */
+   consts->UniformBooleanTrue = FLT_AS_UINT(1.0f);
+
    /* GL_ARB_sync */
    consts->MaxServerWaitTimeout = 0x1fff7fffffffULL;
 
diff --git a/src/mesa/main/macros.h b/src/mesa/main/macros.h
index 0ba658a..2d54ca5 100644
--- a/src/mesa/main/macros.h
+++ b/src/mesa/main/macros.h
@@ -184,6 +184,13 @@ static inline GLfloat UINT_AS_FLT(GLuint u)
    return tmp.f;
 }
 
+static inline unsigned FLT_AS_UINT(float f)
+{
+   fi_type tmp;
+   tmp.f = f;
+   return tmp.u;
+}
+
 /**
  * Convert a floating point value to an unsigned fixed point value.
  *
-- 
1.9.1