mesa update 11 july 2011

6 files changed, 172 insertions, 17 deletions

diff --git a/mesalib/src/mesa/state_tracker/st_cb_clear.c b/mesalib/src/mesa/state_tracker/st_cb_clear.c
index 181fedd2b..117000ba7 100644
--- a/mesalib/src/mesa/state_tracker/st_cb_clear.c
+++ b/mesalib/src/mesa/state_tracker/st_cb_clear.c
@@ -381,7 +381,8 @@ check_clear_depth_stencil_with_quad(struct gl_context *ctx, struct gl_renderbuff
 
    assert(rb->Format == MESA_FORMAT_S8 ||
           rb->Format == MESA_FORMAT_Z24_S8 ||
-          rb->Format == MESA_FORMAT_S8_Z24);
+          rb->Format == MESA_FORMAT_S8_Z24 ||
+          rb->Format == MESA_FORMAT_Z32_FLOAT_X24S8);
 
    if (ctx->Scissor.Enabled &&
        (ctx->Scissor.X != 0 ||
@@ -436,7 +437,8 @@ check_clear_stencil_with_quad(struct gl_context *ctx, struct gl_renderbuffer *rb
 
    assert(rb->Format == MESA_FORMAT_S8 ||
           rb->Format == MESA_FORMAT_Z24_S8 ||
-          rb->Format == MESA_FORMAT_S8_Z24);
+          rb->Format == MESA_FORMAT_S8_Z24 ||
+          rb->Format == MESA_FORMAT_Z32_FLOAT_X24S8);
 
    if (maskStencil) 
       return GL_TRUE;
diff --git a/mesalib/src/mesa/state_tracker/st_cb_drawpixels.c b/mesalib/src/mesa/state_tracker/st_cb_drawpixels.c
index d61d7ac22..dca332464 100644
--- a/mesalib/src/mesa/state_tracker/st_cb_drawpixels.c
+++ b/mesalib/src/mesa/state_tracker/st_cb_drawpixels.c
@@ -812,6 +812,7 @@ draw_stencil_pixels(struct gl_context *ctx, GLint x, GLint y,
       for (row = 0; row < height; row++) {
          GLubyte sValues[MAX_WIDTH];
          GLuint zValues[MAX_WIDTH];
+         GLfloat *zValuesFloat = (GLfloat*)zValues;
          GLenum destType = GL_UNSIGNED_BYTE;
          const GLvoid *source = _mesa_image_address2d(&clippedUnpack, pixels,
                                                       width, height,
@@ -822,7 +823,11 @@ draw_stencil_pixels(struct gl_context *ctx, GLint x, GLint y,
                                    ctx->_ImageTransferState);
 
          if (format == GL_DEPTH_STENCIL) {
-            _mesa_unpack_depth_span(ctx, spanWidth, GL_UNSIGNED_INT, zValues,
+            GLenum ztype =
+               pt->resource->format == PIPE_FORMAT_Z32_FLOAT_S8X24_USCALED ?
+               GL_FLOAT : GL_UNSIGNED_INT;
+
+            _mesa_unpack_depth_span(ctx, spanWidth, ztype, zValues,
                                     (1 << 24) - 1, type, source,
                                     &clippedUnpack);
          }
@@ -887,6 +892,26 @@ draw_stencil_pixels(struct gl_context *ctx, GLint x, GLint y,
                   }
                }
                break;
+            case PIPE_FORMAT_Z32_FLOAT_S8X24_USCALED:
+               if (format == GL_DEPTH_STENCIL) {
+                  uint *dest = (uint *) (stmap + spanY * pt->stride + spanX*4);
+                  GLfloat *destf = (GLfloat*)dest;
+                  GLint k;
+                  assert(usage == PIPE_TRANSFER_WRITE);
+                  for (k = 0; k < spanWidth; k++) {
+                     destf[k*2] = zValuesFloat[k];
+                     dest[k*2+1] = sValues[k] & 0xff;
+                  }
+               }
+               else {
+                  uint *dest = (uint *) (stmap + spanY * pt->stride + spanX*4);
+                  GLint k;
+                  assert(usage == PIPE_TRANSFER_READ_WRITE);
+                  for (k = 0; k < spanWidth; k++) {
+                     dest[k*2+1] = sValues[k] & 0xff;
+                  }
+               }
+               break;
             default:
                assert(0);
             }
@@ -994,14 +1019,23 @@ st_DrawPixels(struct gl_context *ctx, GLint x, GLint y,
                                     GL_NONE, GL_NONE,
                                     PIPE_TEXTURE_2D,
 				    0, PIPE_BIND_SAMPLER_VIEW);
-      if (tex_format == PIPE_FORMAT_Z24_UNORM_S8_USCALED)
-	 stencil_format = PIPE_FORMAT_X24S8_USCALED;
-      else if (tex_format == PIPE_FORMAT_S8_USCALED_Z24_UNORM)
-	 stencil_format = PIPE_FORMAT_S8X24_USCALED;
-      else
-	 stencil_format = PIPE_FORMAT_S8_USCALED;
-      if (stencil_format == PIPE_FORMAT_NONE)
-	 goto stencil_fallback;
+
+      switch (tex_format) {
+      case PIPE_FORMAT_Z24_UNORM_S8_USCALED:
+         stencil_format = PIPE_FORMAT_X24S8_USCALED;
+         break;
+      case PIPE_FORMAT_S8_USCALED_Z24_UNORM:
+         stencil_format = PIPE_FORMAT_S8X24_USCALED;
+         break;
+      case PIPE_FORMAT_Z32_FLOAT_S8X24_USCALED:
+         stencil_format = PIPE_FORMAT_X32_S8X24_USCALED;
+         break;
+      case PIPE_FORMAT_S8_USCALED:
+         stencil_format = PIPE_FORMAT_S8_USCALED;
+         break;
+      default:
+         goto stencil_fallback;
+      }
    }
 
    /* Mesa state should be up to date by now */
@@ -1188,6 +1222,18 @@ copy_stencil_pixels(struct gl_context *ctx, GLint srcx, GLint srcy,
          assert(usage == PIPE_TRANSFER_WRITE);
          memcpy(dst, src, width);
          break;
+      case PIPE_FORMAT_Z32_FLOAT_S8X24_USCALED:
+         {
+            uint *dst4 = (uint *) dst;
+            int j;
+            dst4++;
+            assert(usage == PIPE_TRANSFER_READ_WRITE);
+            for (j = 0; j < width; j++) {
+               *dst4 = src[j] & 0xff;
+               dst4 += 2;
+            }
+         }
+         break;
       default:
          assert(0);
       }
diff --git a/mesalib/src/mesa/state_tracker/st_cb_readpixels.c b/mesalib/src/mesa/state_tracker/st_cb_readpixels.c
index 67926e392..e2b29fe30 100644
--- a/mesalib/src/mesa/state_tracker/st_cb_readpixels.c
+++ b/mesalib/src/mesa/state_tracker/st_cb_readpixels.c
@@ -151,6 +151,24 @@ st_read_stencil_pixels(struct gl_context *ctx, GLint x, GLint y,
             }
          }
          break;
+      case PIPE_FORMAT_Z32_FLOAT_S8X24_USCALED:
+         if (format == GL_DEPTH_STENCIL) {
+            const uint *src = (uint *) (stmap + srcY * pt->stride);
+            const GLfloat *srcf = (const GLfloat*)src;
+            GLint k;
+            for (k = 0; k < width; k++) {
+               zValues[k] = srcf[k*2];
+               sValues[k] = src[k*2+1] & 0xff;
+            }
+         }
+         else {
+            const uint *src = (uint *) (stmap + srcY * pt->stride);
+            GLint k;
+            for (k = 0; k < width; k++) {
+               sValues[k] = src[k*2+1] & 0xff;
+            }
+         }
+         break;
       default:
          assert(0);
       }
@@ -159,7 +177,7 @@ st_read_stencil_pixels(struct gl_context *ctx, GLint x, GLint y,
       dest = _mesa_image_address2d(packing, pixels, width, height,
                                    format, type, j, 0);
       if (format == GL_DEPTH_STENCIL) {
-         _mesa_pack_depth_stencil_span(ctx, width, dest,
+         _mesa_pack_depth_stencil_span(ctx, width, type, dest,
                                        zValues, sValues, packing);
       }
       else {
@@ -568,6 +586,31 @@ st_readpixels(struct gl_context *ctx, GLint x, GLint y, GLsizei width, GLsizei h
             dst += dstStride;
          }
       }
+      else if (pformat == PIPE_FORMAT_Z32_FLOAT) {
+         for (i = 0; i < height; i++) {
+            GLfloat zfloat[MAX_WIDTH];
+            pipe_get_tile_raw(pipe, trans, 0, y, width, 1, zfloat, 0);
+            y += yStep;
+            _mesa_pack_depth_span(ctx, width, dst, type,
+                                  zfloat, &clippedPacking);
+            dst += dstStride;
+         }
+      }
+      else if (pformat == PIPE_FORMAT_Z32_FLOAT_S8X24_USCALED) {
+         assert(format == GL_DEPTH_COMPONENT);
+         for (i = 0; i < height; i++) {
+            GLfloat zfloat[MAX_WIDTH];    /* Z32 */
+            GLfloat zfloat2[MAX_WIDTH*2]; /* Z32X32 */
+            pipe_get_tile_raw(pipe, trans, 0, y, width, 1, zfloat2, 0);
+            y += yStep;
+            for (j = 0; j < width; j++) {
+               zfloat[j] = zfloat2[j*2];
+            }
+            _mesa_pack_depth_span(ctx, width, dst, type,
+                                  zfloat, &clippedPacking);
+            dst += dstStride;
+         }
+      }
       else {
          /* RGBA format */
          /* Do a row at a time to flip image data vertically */
diff --git a/mesalib/src/mesa/state_tracker/st_extensions.c b/mesalib/src/mesa/state_tracker/st_extensions.c
index d3aebe526..99b231d97 100644
--- a/mesalib/src/mesa/state_tracker/st_extensions.c
+++ b/mesalib/src/mesa/state_tracker/st_extensions.c
@@ -607,4 +607,15 @@ void st_init_extensions(struct st_context *st)
    if (screen->get_param(screen, PIPE_CAP_SM3)) {
       ctx->Extensions.ARB_shader_texture_lod = GL_TRUE;
    }
+
+   if (screen->is_format_supported(screen, PIPE_FORMAT_Z32_FLOAT,
+                                   PIPE_TEXTURE_2D, 0,
+                                   PIPE_BIND_DEPTH_STENCIL |
+                                   PIPE_BIND_SAMPLER_VIEW) &&
+       screen->is_format_supported(screen, PIPE_FORMAT_Z32_FLOAT_S8X24_USCALED,
+                                   PIPE_TEXTURE_2D, 0,
+                                   PIPE_BIND_DEPTH_STENCIL |
+                                   PIPE_BIND_SAMPLER_VIEW)) {
+      ctx->Extensions.ARB_depth_buffer_float = GL_TRUE;
+   }
 }
diff --git a/mesalib/src/mesa/state_tracker/st_format.c b/mesalib/src/mesa/state_tracker/st_format.c
index fa5d8f505..bd4f0860c 100644
--- a/mesalib/src/mesa/state_tracker/st_format.c
+++ b/mesalib/src/mesa/state_tracker/st_format.c
@@ -68,42 +68,70 @@ GLenum
 st_format_datatype(enum pipe_format format)
 {
    const struct util_format_description *desc;
+   int i;
 
    desc = util_format_description(format);
    assert(desc);
 
+   /* Find the first non-VOID channel. */
+   for (i = 0; i < 4; i++) {
+       if (desc->channel[i].type != UTIL_FORMAT_TYPE_VOID) {
+           break;
+       }
+   }
+
    if (desc->layout == UTIL_FORMAT_LAYOUT_PLAIN) {
       if (format == PIPE_FORMAT_B5G5R5A1_UNORM ||
           format == PIPE_FORMAT_B5G6R5_UNORM) {
          return GL_UNSIGNED_SHORT;
       }
+      else if (format == PIPE_FORMAT_R11G11B10_FLOAT ||
+               format == PIPE_FORMAT_R9G9B9E5_FLOAT) {
+         return GL_FLOAT;
+      }
       else if (format == PIPE_FORMAT_Z24_UNORM_S8_USCALED ||
                format == PIPE_FORMAT_S8_USCALED_Z24_UNORM ||
                format == PIPE_FORMAT_Z24X8_UNORM ||
                format == PIPE_FORMAT_X8Z24_UNORM) {
          return GL_UNSIGNED_INT_24_8;
       }
+      else if (format == PIPE_FORMAT_Z32_FLOAT_S8X24_USCALED) {
+         return GL_FLOAT_32_UNSIGNED_INT_24_8_REV;
+      }
       else {
          const GLuint size = format_max_bits(format);
+
+         assert(i < 4);
+         if (i == 4)
+            return GL_NONE;
+
          if (size == 8) {
-            if (desc->channel[0].type == UTIL_FORMAT_TYPE_UNSIGNED)
+            if (desc->channel[i].type == UTIL_FORMAT_TYPE_UNSIGNED)
                return GL_UNSIGNED_BYTE;
             else
                return GL_BYTE;
          }
          else if (size == 16) {
-            if (desc->channel[0].type == UTIL_FORMAT_TYPE_UNSIGNED)
+            if (desc->channel[i].type == UTIL_FORMAT_TYPE_FLOAT)
+               return GL_HALF_FLOAT;
+            if (desc->channel[i].type == UTIL_FORMAT_TYPE_UNSIGNED)
                return GL_UNSIGNED_SHORT;
             else
                return GL_SHORT;
          }
-         else {
-            assert( size <= 32 );
-            if (desc->channel[0].type == UTIL_FORMAT_TYPE_UNSIGNED)
+         else if (size <= 32) {
+            if (desc->channel[i].type == UTIL_FORMAT_TYPE_FLOAT)
+               return GL_FLOAT;
+            if (desc->channel[i].type == UTIL_FORMAT_TYPE_UNSIGNED)
                return GL_UNSIGNED_INT;
             else
                return GL_INT;
          }
+         else {
+            assert(size == 64);
+            assert(desc->channel[i].type == UTIL_FORMAT_TYPE_FLOAT);
+            return GL_DOUBLE;
+         }
       }
    }
    else if (format == PIPE_FORMAT_UYVY) {
@@ -180,6 +208,10 @@ st_mesa_format_to_pipe_format(gl_format mesaFormat)
       return PIPE_FORMAT_Z24X8_UNORM;
    case MESA_FORMAT_S8:
       return PIPE_FORMAT_S8_USCALED;
+   case MESA_FORMAT_Z32_FLOAT:
+      return PIPE_FORMAT_Z32_FLOAT;
+   case MESA_FORMAT_Z32_FLOAT_X24S8:
+      return PIPE_FORMAT_Z32_FLOAT_S8X24_USCALED;
    case MESA_FORMAT_YCBCR:
       return PIPE_FORMAT_UYVY;
 #if FEATURE_texture_s3tc
@@ -402,6 +434,10 @@ st_pipe_format_to_mesa_format(enum pipe_format format)
       return MESA_FORMAT_X8_Z24;
    case PIPE_FORMAT_Z24_UNORM_S8_USCALED:
       return MESA_FORMAT_S8_Z24;
+   case PIPE_FORMAT_Z32_FLOAT:
+      return MESA_FORMAT_Z32_FLOAT;
+   case PIPE_FORMAT_Z32_FLOAT_S8X24_USCALED:
+      return MESA_FORMAT_Z32_FLOAT_X24S8;
 
    case PIPE_FORMAT_UYVY:
       return MESA_FORMAT_YCBCR;
@@ -759,6 +795,10 @@ static const struct format_mapping format_map[] = {
       { GL_DEPTH_COMPONENT, 0 },
       { DEFAULT_DEPTH_FORMATS }
    },
+   {
+      { GL_DEPTH_COMPONENT32F, 0 },
+      { PIPE_FORMAT_Z32_FLOAT, 0 }
+   },
 
    /* stencil formats */
    {
@@ -775,6 +815,10 @@ static const struct format_mapping format_map[] = {
       { GL_DEPTH_STENCIL_EXT, GL_DEPTH24_STENCIL8_EXT, 0 },
       { PIPE_FORMAT_Z24_UNORM_S8_USCALED, PIPE_FORMAT_S8_USCALED_Z24_UNORM, 0 }
    },
+   {
+      { GL_DEPTH32F_STENCIL8, 0 },
+      { PIPE_FORMAT_Z32_FLOAT_S8X24_USCALED, 0 }
+   },
 
    /* sRGB formats */
    {
diff --git a/mesalib/src/mesa/state_tracker/st_manager.c b/mesalib/src/mesa/state_tracker/st_manager.c
index a8c4b5c3f..7bd82aae2 100644
--- a/mesalib/src/mesa/state_tracker/st_manager.c
+++ b/mesalib/src/mesa/state_tracker/st_manager.c
@@ -918,6 +918,15 @@ st_manager_add_color_renderbuffer(struct st_context *st,
       return FALSE;
 
    st_framebuffer_update_attachments(stfb);
+
+   /*
+    * Force a call to the state tracker manager to validate the
+    * new renderbuffer. It might be that there is a window system
+    * renderbuffer available.
+    */
+   if(stfb->iface)
+      stfb->iface_stamp = p_atomic_read(&stfb->iface->stamp) - 1;
+
    st_invalidate_state(st->ctx, _NEW_BUFFERS);
 
    return TRUE;