(Stephane Marchesin, me) Add support for color (framebuffer) tiling to the radeon and r200 driver

8 files changed, 67 insertions, 35 deletions

diff --git a/src/mesa/drivers/dri/r200/r200_ioctl.c b/src/mesa/drivers/dri/r200/r200_ioctl.c
index aafa2981bd4..a7d840f0f54 100644
--- a/src/mesa/drivers/dri/r200/r200_ioctl.c
+++ b/src/mesa/drivers/dri/r200/r200_ioctl.c
@@ -568,6 +568,9 @@ void r200PageFlip( const __DRIdrawablePrivate *dPriv )
    rmesa->hw.ctx.cmd[CTX_RB3D_COLOROFFSET] = rmesa->state.color.drawOffset
 					   + rmesa->r200Screen->fbLocation;
    rmesa->hw.ctx.cmd[CTX_RB3D_COLORPITCH]  = rmesa->state.color.drawPitch;
+   if (rmesa->sarea->tiling_enabled) {
+      rmesa->hw.ctx.cmd[CTX_RB3D_COLORPITCH] |= R200_COLOR_TILE_ENABLE;
+   }
 }
 
 
diff --git a/src/mesa/drivers/dri/r200/r200_lock.c b/src/mesa/drivers/dri/r200/r200_lock.c
index ef4fed52714..72b57ae5dc4 100644
--- a/src/mesa/drivers/dri/r200/r200_lock.c
+++ b/src/mesa/drivers/dri/r200/r200_lock.c
@@ -109,6 +109,12 @@ void r200GetLock( r200ContextPtr rmesa, GLuint flags )
       rmesa->lastStamp = dPriv->lastStamp;
    }
 
+   R200_STATECHANGE( rmesa, ctx );
+   if (rmesa->sarea->tiling_enabled) {
+      rmesa->hw.ctx.cmd[CTX_RB3D_COLORPITCH] |= R200_COLOR_TILE_ENABLE;
+   }
+   else rmesa->hw.ctx.cmd[CTX_RB3D_COLORPITCH] &= ~R200_COLOR_TILE_ENABLE;
+
    if ( sarea->ctx_owner != rmesa->dri.hwContext ) {
       sarea->ctx_owner = rmesa->dri.hwContext;
    }
diff --git a/src/mesa/drivers/dri/r200/r200_reg.h b/src/mesa/drivers/dri/r200/r200_reg.h
index 38378a92f8c..c1132e54ab7 100644
--- a/src/mesa/drivers/dri/r200/r200_reg.h
+++ b/src/mesa/drivers/dri/r200/r200_reg.h
@@ -210,6 +210,8 @@ WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 #define     R200_RE_HEIGHT_SHIFT       16
 #define R200_RB3D_COLORPITCH              0x1c48 
 #define     R200_COLORPITCH_MASK         0x000001ff8
+#define     R200_COLOR_TILE_ENABLE       (1 << 16)
+#define     R200_COLOR_MICROTILE_ENABLE  (1 << 17)
 #define     R200_COLOR_ENDIAN_NO_SWAP    (0 << 18)
 #define     R200_COLOR_ENDIAN_WORD_SWAP  (1 << 18)
 #define     R200_COLOR_ENDIAN_DWORD_SWAP (2 << 18)
diff --git a/src/mesa/drivers/dri/r200/r200_screen.c b/src/mesa/drivers/dri/r200/r200_screen.c
index a10193d3ae3..76d70160924 100644
--- a/src/mesa/drivers/dri/r200/r200_screen.c
+++ b/src/mesa/drivers/dri/r200/r200_screen.c
@@ -342,10 +342,11 @@ r200CreateScreen( __DRIscreenPrivate *sPriv )
 	 /* Check if kernel module is new enough to support cube maps */
 	 screen->drmSupportsCubeMaps = (sPriv->drmMinor >= 7);
 	 /* Check if kernel module is new enough to support blend color and
-            separate blend functions/equations */
-         screen->drmSupportsBlendColor = (sPriv->drmMinor >= 11);
-
+	    separate blend functions/equations */
+	 screen->drmSupportsBlendColor = (sPriv->drmMinor >= 11);
       }
+      /* Check if ddx has set up a surface reg to cover depth buffer */
+      screen->depthHasSurface = (sPriv->ddxMajor > 4);
    }
 
    screen->mmio.handle = dri_priv->registerHandle;
@@ -622,17 +623,17 @@ void * __driCreateNewScreen( __DRInativeDisplay *dpy, int scrn, __DRIscreen *psc
 			     
 {
    __DRIscreenPrivate *psp;
-   static const __DRIversion ddx_expected = { 4, 0, 0 };
+   static const __DRIutilversion2 ddx_expected = { 4, 5, 0, 0 };
    static const __DRIversion dri_expected = { 4, 0, 0 };
    static const __DRIversion drm_expected = { 1, 5, 0 };
 
-   if ( ! driCheckDriDdxDrmVersions2( "R200",
+   if ( ! driCheckDriDdxDrmVersions3( "R200",
 				      dri_version, & dri_expected,
 				      ddx_version, & ddx_expected,
 				      drm_version, & drm_expected ) ) {
       return NULL;
    }
-      
+
    psp = __driUtilCreateNewScreen(dpy, scrn, psc, NULL,
 				  ddx_version, dri_version, drm_version,
 				  frame_buffer, pSAREA, fd,
diff --git a/src/mesa/drivers/dri/r200/r200_screen.h b/src/mesa/drivers/dri/r200/r200_screen.h
index 95633b8ebe5..42200f8962b 100644
--- a/src/mesa/drivers/dri/r200/r200_screen.h
+++ b/src/mesa/drivers/dri/r200/r200_screen.h
@@ -97,6 +97,7 @@ typedef struct {
 
    GLboolean drmSupportsCubeMaps;       /* need radeon kernel module >=1.7 */
    GLboolean drmSupportsBlendColor;     /* need radeon kernel module >= 1.11 */
+   GLboolean depthHasSurface;
 
    /* Configuration cache with default values for all contexts */
    driOptionCache optionCache;
diff --git a/src/mesa/drivers/dri/r200/r200_span.c b/src/mesa/drivers/dri/r200/r200_span.c
index 3747948984f..f2868cb2d21 100644
--- a/src/mesa/drivers/dri/r200/r200_span.c
+++ b/src/mesa/drivers/dri/r200/r200_span.c
@@ -154,6 +154,8 @@ WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  * manner as the engine.  In each case, the linear block address (ba)
  * is calculated, and then wired with x and y to produce the final
  * memory address.
+ * The chip will do address translation on its own if the surface registers
+ * are set up correctly. It is not quite enough to get it working with hyperz too...
  */
 
 #define BIT(x,b) ((x & (1<<b))>>b)
@@ -161,40 +163,50 @@ static GLuint r200_mba_z32( r200ContextPtr rmesa,
 				       GLint x, GLint y )
 {
    GLuint pitch = rmesa->r200Screen->frontPitch;
-   GLuint b = ((y & 0x7FF) >> 4) * ((pitch & 0xFFF) >> 5) + ((x & 0x7FF) >> 5);
-   GLuint a = 
-      (BIT(x,0) << 2) |
-      (BIT(y,0) << 3) |
-      (BIT(x,1) << 4) |
-      (BIT(y,1) << 5) |
-      (BIT(x,3) << 6) |
-      (BIT(x,4) << 7) |
-      (BIT(x,2) << 8) |
-      (BIT(y,2) << 9) |
-      (BIT(y,3) << 10) |
-      (((pitch & 0x20) ? (b & 0x01) : ((b & 0x01) ^ (BIT(y,4)))) << 11) |
-      ((b >> 1) << 12);
-   return a;
+   if (rmesa->r200Screen->depthHasSurface) {
+      return 4*(x + y*pitch);
+   }
+   else {
+      GLuint b = ((y & 0x7FF) >> 4) * ((pitch & 0xFFF) >> 5) + ((x & 0x7FF) >> 5);
+      GLuint a = 
+         (BIT(x,0) << 2) |
+         (BIT(y,0) << 3) |
+         (BIT(x,1) << 4) |
+         (BIT(y,1) << 5) |
+         (BIT(x,3) << 6) |
+         (BIT(x,4) << 7) |
+         (BIT(x,2) << 8) |
+         (BIT(y,2) << 9) |
+         (BIT(y,3) << 10) |
+         (((pitch & 0x20) ? (b & 0x01) : ((b & 0x01) ^ (BIT(y,4)))) << 11) |
+         ((b >> 1) << 12);
+      return a;
+   }
 }
 
 static GLuint r200_mba_z16( r200ContextPtr rmesa, GLint x, GLint y )
 {
    GLuint pitch = rmesa->r200Screen->frontPitch;
-   GLuint b = ((y & 0x7FF) >> 4) * ((pitch & 0xFFF) >> 6) + ((x & 0x7FF) >> 6);
-   GLuint a = 
-      (BIT(x,0) << 1) |
-      (BIT(y,0) << 2) |
-      (BIT(x,1) << 3) |
-      (BIT(y,1) << 4) |
-      (BIT(x,2) << 5) |
-      (BIT(x,4) << 6) |
-      (BIT(x,5) << 7) |
-      (BIT(x,3) << 8) |
-      (BIT(y,2) << 9) |
-      (BIT(y,3) << 10) |
-      (((pitch & 0x40) ? (b & 0x01) : ((b & 0x01) ^ (BIT(y,4)))) << 11) |
-      ((b >> 1) << 12);
-   return a;
+   if (rmesa->r200Screen->depthHasSurface) {
+      return 2*(x + y*pitch);
+   }
+   else {
+      GLuint b = ((y & 0x7FF) >> 4) * ((pitch & 0xFFF) >> 6) + ((x & 0x7FF) >> 6);
+      GLuint a = 
+         (BIT(x,0) << 1) |
+         (BIT(y,0) << 2) |
+         (BIT(x,1) << 3) |
+         (BIT(y,1) << 4) |
+         (BIT(x,2) << 5) |
+         (BIT(x,4) << 6) |
+         (BIT(x,5) << 7) |
+         (BIT(x,3) << 8) |
+         (BIT(y,2) << 9) |
+         (BIT(y,3) << 10) |
+         (((pitch & 0x40) ? (b & 0x01) : ((b & 0x01) ^ (BIT(y,4)))) << 11) |
+         ((b >> 1) << 12);
+      return a;
+   }
 }
 
 
diff --git a/src/mesa/drivers/dri/r200/r200_state.c b/src/mesa/drivers/dri/r200/r200_state.c
index f5a4a031188..b83e71e0ec4 100644
--- a/src/mesa/drivers/dri/r200/r200_state.c
+++ b/src/mesa/drivers/dri/r200/r200_state.c
@@ -1818,6 +1818,9 @@ static void r200DrawBuffer( GLcontext *ctx, GLenum mode )
 					       rmesa->r200Screen->fbLocation)
 					      & R200_COLOROFFSET_MASK);
    rmesa->hw.ctx.cmd[CTX_RB3D_COLORPITCH] = rmesa->state.color.drawPitch;
+   if (rmesa->sarea->tiling_enabled) {
+      rmesa->hw.ctx.cmd[CTX_RB3D_COLORPITCH] |= R200_COLOR_TILE_ENABLE;
+   }
 }
 
 
diff --git a/src/mesa/drivers/dri/r200/r200_state_init.c b/src/mesa/drivers/dri/r200/r200_state_init.c
index 5d36a6823ac..cdb1f4d0a05 100644
--- a/src/mesa/drivers/dri/r200/r200_state_init.c
+++ b/src/mesa/drivers/dri/r200/r200_state_init.c
@@ -499,6 +499,10 @@ void r200InitState( r200ContextPtr rmesa )
    rmesa->hw.ctx.cmd[CTX_RB3D_COLORPITCH] = ((rmesa->state.color.drawPitch &
 					      R200_COLORPITCH_MASK) |
 					     R200_COLOR_ENDIAN_NO_SWAP);
+   /* (fixed size) sarea is initialized to zero afaics so can omit version check. Phew! */
+   if (rmesa->sarea->tiling_enabled) {
+      rmesa->hw.ctx.cmd[CTX_RB3D_COLORPITCH] |= R200_COLOR_TILE_ENABLE;
+   }
 
    rmesa->hw.set.cmd[SET_SE_CNTL] = (R200_FFACE_CULL_CCW |
 				     R200_BFACE_SOLID |