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Diffstat (limited to 'src/mesa/main/drawpix.c')
-rw-r--r--src/mesa/main/drawpix.c18
1 files changed, 15 insertions, 3 deletions
diff --git a/src/mesa/main/drawpix.c b/src/mesa/main/drawpix.c
index ec8a45cb94e..4e0cc056c74 100644
--- a/src/mesa/main/drawpix.c
+++ b/src/mesa/main/drawpix.c
@@ -35,6 +35,18 @@
#include "state.h"
+
+/**
+ * If a fragment program is enabled, check that it's valid.
+ * \return GL_TRUE if valid, GL_FALSE otherwise
+ */
+static GLboolean
+valid_fragment_program(GLcontext *ctx)
+{
+ return !(ctx->FragmentProgram.Enabled && !ctx->FragmentProgram._Enabled);
+}
+
+
#if _HAVE_FULL_GL
/*
@@ -56,7 +68,7 @@ _mesa_DrawPixels( GLsizei width, GLsizei height,
_mesa_update_state(ctx);
}
- if (ctx->FragmentProgram.Enabled && !ctx->FragmentProgram._Enabled) {
+ if (!valid_fragment_program(ctx)) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glDrawPixels (invalid fragment program)");
return;
@@ -142,7 +154,7 @@ _mesa_CopyPixels( GLint srcx, GLint srcy, GLsizei width, GLsizei height,
_mesa_update_state(ctx);
}
- if (ctx->FragmentProgram.Enabled && !ctx->FragmentProgram._Enabled) {
+ if (!valid_fragment_program(ctx)) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glCopyPixels (invalid fragment program)");
return;
@@ -215,7 +227,7 @@ _mesa_Bitmap( GLsizei width, GLsizei height,
_mesa_update_state(ctx);
}
- if (ctx->FragmentProgram.Enabled && !ctx->FragmentProgram._Enabled) {
+ if (!valid_fragment_program(ctx)) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glBitmap (invalid fragment program)");
return;