GLSL fixes:

- generate error on NULL pointers in glShaderSourceARB;
- reinstall program object, if current, in glLinkProgramARB;
- vertex and fragment shaders are optional in program object;
- floor asm was wrongly computed for x86 back-end;
- allow for (void) idiom in function prototypes;
- all fixed-state uniforms are updated;
- local variable initializers are working;
- implement texture* and shadow* functions for vertex processor;
- generate error if too many arguments in general constructor;
- trim unused data in general constructor;
- struct r-value field select was badly relocated;

Changes:
- add derived state gl_fog_attrib::_Scale;
- add derived state gl_light::_CosCutoffNeg;

1 files changed, 7 insertions, 5 deletions

diff --git a/src/mesa/swrast/s_arbshader.c b/src/mesa/swrast/s_arbshader.c
index c915b97d6e..ba146dd1bb 100644
--- a/src/mesa/swrast/s_arbshader.c
+++ b/src/mesa/swrast/s_arbshader.c
@@ -40,14 +40,16 @@ void _swrast_exec_arbshader (GLcontext *ctx, struct sw_span *span)
 	struct gl2_program_intf **pro;

 	GLuint i;

 

-	pro = ctx->ShaderObjects.CurrentProgram;

-	if (pro == NULL)

+	if (!ctx->ShaderObjects._FragmentShaderPresent)

 		return;

+	pro = ctx->ShaderObjects.CurrentProgram;

+	if (!ctx->ShaderObjects._VertexShaderPresent)

+		(**pro).UpdateFixedUniforms (pro);

 

 	for (i = span->start; i < span->end; i++)

 	{

-            /* only run shader on active fragments */

-            if (span->array->mask[i]) {

+		/* only run shader on active fragments */

+		if (span->array->mask[i]) {

 		GLfloat vec[4];

 		GLuint j;

 		GLboolean discard;

@@ -91,7 +93,7 @@ void _swrast_exec_arbshader (GLcontext *ctx, struct sw_span *span)
 			UNCLAMPED_FLOAT_TO_CHAN(span->array->rgba[i][BCOMP], vec[2]);

 			UNCLAMPED_FLOAT_TO_CHAN(span->array->rgba[i][ACOMP], vec[3]);

 		}

-            }

+		}

 	}

 }