Mesa (master): r600: Update vertex fetch shader if necessary

[Cooper Yuan]

Module: Mesa
Branch: master
Commit: dadf138ddbaecd7fff239df7961aac25e74f14f6
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=dadf138ddbaecd7fff239df7961aac25e74f14f6

Author: Cooper Yuan <cooperyuan at gmail.com>
Date:   Wed Aug 26 16:21:10 2009 +0800

r600: Update vertex fetch shader if necessary

---

 src/mesa/drivers/dri/r600/r600_emit.c     |    3 ++-
 src/mesa/drivers/dri/r600/r700_vertprog.c |   13 +++++++++++++
 src/mesa/drivers/dri/r600/r700_vertprog.h |    9 ++++-----
 3 files changed, 19 insertions(+), 6 deletions(-)

diff --git a/src/mesa/drivers/dri/r600/r600_emit.c b/src/mesa/drivers/dri/r600/r600_emit.c
index be86de1..f8c56e7 100644
--- a/src/mesa/drivers/dri/r600/r600_emit.c
+++ b/src/mesa/drivers/dri/r600/r600_emit.c
@@ -104,7 +104,8 @@ GLboolean r600DeleteShader(GLcontext * ctx,
     struct radeon_bo * pbo = (struct radeon_bo *)shaderbo;
 
     if (pbo) {
-	    radeon_bo_unmap(pbo);
+	    if (pbo->ptr)
+		radeon_bo_unmap(pbo);
 	    radeon_bo_unref(pbo); /* when bo->cref <= 0, bo will be bo_free */
     }
 
diff --git a/src/mesa/drivers/dri/r600/r700_vertprog.c b/src/mesa/drivers/dri/r600/r700_vertprog.c
index f8f862b..86a67ab 100644
--- a/src/mesa/drivers/dri/r600/r700_vertprog.c
+++ b/src/mesa/drivers/dri/r600/r700_vertprog.c
@@ -301,6 +301,11 @@ void r700SelectVertexShader(GLcontext *ctx)
     unsigned int unBit;
     unsigned int i;
 
+    if (context->radeon.NewGLState & (_NEW_PROGRAM_CONSTANTS|_NEW_PROGRAM))
+    {
+	vpc->needUpdateVF = 1;
+    }
+
     if (context->radeon.radeonScreen->chip_family < CHIP_FAMILY_RV770)
     {
         vpc->r700AsmCode.bR6xx = 1;
@@ -341,6 +346,14 @@ GLboolean r700SetupVertexProgram(GLcontext * ctx)
     unsigned int unNumParamData;
     unsigned int ui;
 
+    if (vp->needUpdateVF)
+    {
+	vp->loaded = GL_FALSE;
+	vp->r700Shader.bNeedsAssembly = GL_TRUE;
+	Process_Vertex_Program_Vfetch_Instructions(vp, &(vp->mesa_program));
+	r600DeleteShader(ctx, vp->shaderbo);
+    }
+
     if(GL_FALSE == vp->loaded)
     {
 	    if(vp->r700Shader.bNeedsAssembly == GL_TRUE)
diff --git a/src/mesa/drivers/dri/r600/r700_vertprog.h b/src/mesa/drivers/dri/r600/r700_vertprog.h
index 4c3b7ee..e2e6502 100644
--- a/src/mesa/drivers/dri/r600/r700_vertprog.h
+++ b/src/mesa/drivers/dri/r600/r700_vertprog.h
@@ -45,19 +45,18 @@ struct r700_vertex_program
 {
     struct gl_vertex_program mesa_program; /* Must be first */
 
-	struct r700_vertex_program *next;
+    struct r700_vertex_program *next;
 
     r700_AssemblerBase r700AsmCode;
     R700_Shader        r700Shader;
 
-	GLboolean translated;
+    GLboolean translated;
     GLboolean loaded;
+    GLboolean needUpdateVF;
 	
-	/* ... */
-
     void * shaderbo;
 
-	ArrayDesc              aos_desc[VERT_ATTRIB_MAX];
+    ArrayDesc              aos_desc[VERT_ATTRIB_MAX];
 };
 
 //Internal