From 138b7ef4d97734aea56d86c3d9add15dfa841dcf Mon Sep 17 00:00:00 2001
From: Aapo Tahkola <aet@rasterburn.org>
Date: Sun, 1 May 2005 23:36:43 +0000
Subject: [PATCH] Add support to external tnl switcher and disable hw tnl by
 default.

---
 src/mesa/drivers/dri/r300/r300_context.c    | 4 +++-
 src/mesa/drivers/dri/r300/r300_maos.c       | 3 ++-
 src/mesa/drivers/dri/r300/r300_render.c     | 8 ++++++--
 src/mesa/drivers/dri/r300/r300_vertexprog.c | 4 ++--
 4 files changed, 13 insertions(+), 6 deletions(-)

diff --git a/src/mesa/drivers/dri/r300/r300_context.c b/src/mesa/drivers/dri/r300/r300_context.c
index 42c80e7ced4..e4aa7ccb22a 100644
--- a/src/mesa/drivers/dri/r300/r300_context.c
+++ b/src/mesa/drivers/dri/r300/r300_context.c
@@ -62,7 +62,9 @@ WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 #include "utils.h"
 #include "xmlpool.h"		/* for symbolic values of enum-type options */
 
-int hw_tcl_on=1;
+/* hw_tcl_on derives from future_hw_tcl_on when its safe to change it. */
+int future_hw_tcl_on=0;
+int hw_tcl_on=0;
 
 /* Extension strings exported by the R300 driver.
  */
diff --git a/src/mesa/drivers/dri/r300/r300_maos.c b/src/mesa/drivers/dri/r300/r300_maos.c
index b435b0cbbd4..5bbd5986d48 100644
--- a/src/mesa/drivers/dri/r300/r300_maos.c
+++ b/src/mesa/drivers/dri/r300/r300_maos.c
@@ -173,7 +173,8 @@ static void emit_vector(GLcontext * ctx,
 		fprintf(stderr, "%s count %d size %d stride %d\n",
 			__FUNCTION__, count, size, stride);
 
-	assert(!rvb->buf);
+	/* Gets triggered when playing with future_hw_tcl_on ...*/
+	//assert(!rvb->buf);
 
 	if (stride == 0) {
 		r300AllocDmaRegion(rmesa, rvb, size * 4, 4);
diff --git a/src/mesa/drivers/dri/r300/r300_render.c b/src/mesa/drivers/dri/r300/r300_render.c
index 4ecb2905b10..8f09288a3f4 100644
--- a/src/mesa/drivers/dri/r300/r300_render.c
+++ b/src/mesa/drivers/dri/r300/r300_render.c
@@ -58,6 +58,8 @@ USE OR OTHER DEALINGS IN THE SOFTWARE.
 #include "r300_maos.h"
 #include "r300_emit.h"
 
+extern int future_hw_tcl_on;
+
 /**********************************************************************
 *                     Hardware rasterization
 *
@@ -459,6 +461,7 @@ static GLboolean r300_run_immediate_render(GLcontext *ctx,
    return GL_FALSE;
 }
 
+
 /* vertex buffer implementation */
 
 static void inline fire_EB(PREFIX unsigned long addr, int vertex_count, int type)
@@ -737,7 +740,7 @@ const struct tnl_pipeline_stage _r300_render_stage = {
 	r300_check_render,	/* check */
 	r300_run_render		/* run */
 };
-	
+
 static GLboolean r300_run_tcl_render(GLcontext *ctx,
 				 struct tnl_pipeline_stage *stage)
 {
@@ -745,7 +748,8 @@ static GLboolean r300_run_tcl_render(GLcontext *ctx,
    TNLcontext *tnl = TNL_CONTEXT(ctx);
    struct vertex_buffer *VB = &tnl->vb;
    GLuint i;
-
+   	hw_tcl_on=future_hw_tcl_on;
+   
 	if (RADEON_DEBUG & DEBUG_PRIMS)
 		fprintf(stderr, "%s\n", __FUNCTION__);
 	if(hw_tcl_on == GL_FALSE)
diff --git a/src/mesa/drivers/dri/r300/r300_vertexprog.c b/src/mesa/drivers/dri/r300/r300_vertexprog.c
index 7d4c4de1dc7..cbcbdcbe6f2 100644
--- a/src/mesa/drivers/dri/r300/r300_vertexprog.c
+++ b/src/mesa/drivers/dri/r300/r300_vertexprog.c
@@ -180,7 +180,7 @@ void dump_program_params(GLcontext *ctx, struct vertex_program *vp)
 	}
 }
 
-static void debug_vp(GLcontext *ctx, struct vertex_program *vp)
+void debug_vp(GLcontext *ctx, struct vertex_program *vp)
 {
 	struct vp_instruction *vpi;
 	int i, operand_index;
@@ -340,7 +340,7 @@ static unsigned long t_dst_index(struct r300_vertex_program *vp, struct vp_dst_r
 			case VERT_RESULT_BFC1:
 			case VERT_RESULT_FOGC:
 			case VERT_RESULT_PSIZ:
-			default: WARN_ONCE("Unknown output\n"); return 1;
+			default: WARN_ONCE("Unknown output\n"); return 10;
 		}
 	return dst->Index;
 }
-- 
2.30.2