From: Nicolai Hähnle <nhaehnle@gmail.com>
Date: Tue, 22 Sep 2009 18:57:05 +0000 (+0200)
Subject: r300: Fix crash reported in bug #24066
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=8cc12ffb34769a84050be034d19921af811a3406;p=mesa.git

r300: Fix crash reported in bug #24066

Signed-off-by: Nicolai Hähnle <nhaehnle@gmail.com>
---

diff --git a/src/mesa/drivers/dri/r300/r300_vertprog.c b/src/mesa/drivers/dri/r300/r300_vertprog.c
index 0cb7dde985b..2f7b67c1431 100644
--- a/src/mesa/drivers/dri/r300/r300_vertprog.c
+++ b/src/mesa/drivers/dri/r300/r300_vertprog.c
@@ -43,6 +43,7 @@ USE OR OTHER DEALINGS IN THE SOFTWARE.
 #include "compiler/radeon_compiler.h"
 #include "compiler/radeon_nqssadce.h"
 #include "r300_context.h"
+#include "r300_fragprog_common.h"
 #include "r300_state.h"
 
 /**
@@ -298,6 +299,20 @@ struct r300_vertex_program * r300SelectAndTranslateVertexShader(GLcontext *ctx)
 	struct r300_vertex_program *vp;
 
 	vpc = (struct r300_vertex_program_cont *)ctx->VertexProgram._Current;
+
+	if (!r300->selected_fp) {
+		/* This can happen when GetProgramiv is called to check
+		 * whether the program runs natively.
+		 *
+		 * To be honest, this is not a very good solution,
+		 * but solving the problem of reporting good values
+		 * for those queries is tough anyway considering that
+		 * we recompile vertex programs based on the precise
+		 * fragment program that is in use.
+		 */
+		r300SelectAndTranslateFragmentShader(ctx);
+	}
+
 	wanted_key.FpReads = r300->selected_fp->InputsRead;
 	wanted_key.FogAttr = r300->selected_fp->fog_attr;
 	wanted_key.WPosAttr = r300->selected_fp->wpos_attr;