Merge branch 'mesa_7_5_branch'

Conflicts:

	src/mesa/main/api_validate.c

24 files changed, 195 insertions, 88 deletions

diff --git a/src/gallium/auxiliary/rtasm/rtasm_ppc.c b/src/gallium/auxiliary/rtasm/rtasm_ppc.c
index e3586482db..ef4b306cb6 100644
--- a/src/gallium/auxiliary/rtasm/rtasm_ppc.c
+++ b/src/gallium/auxiliary/rtasm/rtasm_ppc.c
@@ -168,7 +168,7 @@ ppc_allocate_register(struct ppc_function *p)
 {
    unsigned i;
    for (i = 0; i < PPC_NUM_REGS; i++) {
-      const uint64_t mask = 1 << i;
+      const uint32_t mask = 1 << i;
       if ((p->reg_used & mask) == 0) {
          p->reg_used |= mask;
          return i;
@@ -200,7 +200,7 @@ ppc_allocate_fp_register(struct ppc_function *p)
 {
    unsigned i;
    for (i = 0; i < PPC_NUM_FP_REGS; i++) {
-      const uint64_t mask = 1 << i;
+      const uint32_t mask = 1 << i;
       if ((p->fp_used & mask) == 0) {
          p->fp_used |= mask;
          return i;
@@ -232,7 +232,7 @@ ppc_allocate_vec_register(struct ppc_function *p)
 {
    unsigned i;
    for (i = 0; i < PPC_NUM_VEC_REGS; i++) {
-      const uint64_t mask = 1 << i;
+      const uint32_t mask = 1 << i;
       if ((p->vec_used & mask) == 0) {
          p->vec_used |= mask;
          return i;
diff --git a/src/gallium/drivers/softpipe/sp_context.c b/src/gallium/drivers/softpipe/sp_context.c
index 62e8d99cfd..86df320ea8 100644
--- a/src/gallium/drivers/softpipe/sp_context.c
+++ b/src/gallium/drivers/softpipe/sp_context.c
@@ -126,6 +126,22 @@ softpipe_is_texture_referenced( struct pipe_context *pipe,
 				struct pipe_texture *texture,
 				unsigned face, unsigned level)
 {
+   struct softpipe_context *softpipe = softpipe_context( pipe );
+   unsigned i;
+
+   if(softpipe->dirty_render_cache) {
+      for (i = 0; i < softpipe->framebuffer.nr_cbufs; i++) {
+         if(softpipe->framebuffer.cbufs[i] && 
+            softpipe->framebuffer.cbufs[i]->texture == texture)
+            return PIPE_REFERENCED_FOR_WRITE;
+      }
+      if(softpipe->framebuffer.zsbuf && 
+         softpipe->framebuffer.zsbuf->texture == texture)
+         return PIPE_REFERENCED_FOR_WRITE;
+   }
+   
+   /* FIXME: we also need to do the same for the texture cache */
+   
    return PIPE_UNREFERENCED;
 }
 
diff --git a/src/gallium/drivers/softpipe/sp_context.h b/src/gallium/drivers/softpipe/sp_context.h
index b89a7292e5..7888c2f644 100644
--- a/src/gallium/drivers/softpipe/sp_context.h
+++ b/src/gallium/drivers/softpipe/sp_context.h
@@ -145,6 +145,8 @@ struct softpipe_context {
    struct draw_stage *vbuf;
    struct softpipe_vbuf_render *vbuf_render;
 
+   boolean dirty_render_cache;
+   
    struct softpipe_tile_cache *cbuf_cache[PIPE_MAX_COLOR_BUFS];
    struct softpipe_tile_cache *zsbuf_cache;
 
diff --git a/src/gallium/drivers/softpipe/sp_draw_arrays.c b/src/gallium/drivers/softpipe/sp_draw_arrays.c
index f117096bf7..ba2766ff13 100644
--- a/src/gallium/drivers/softpipe/sp_draw_arrays.c
+++ b/src/gallium/drivers/softpipe/sp_draw_arrays.c
@@ -182,6 +182,8 @@ softpipe_draw_range_elements(struct pipe_context *pipe,
    /* Note: leave drawing surfaces mapped */
    softpipe_unmap_constant_buffers(sp);
 
+   sp->dirty_render_cache = TRUE;
+   
    return TRUE;
 }
 
diff --git a/src/gallium/drivers/softpipe/sp_flush.c b/src/gallium/drivers/softpipe/sp_flush.c
index 035f4b963e..4a14d49686 100644
--- a/src/gallium/drivers/softpipe/sp_flush.c
+++ b/src/gallium/drivers/softpipe/sp_flush.c
@@ -71,6 +71,8 @@ softpipe_flush( struct pipe_context *pipe,
        * to unmap surfaces when flushing.
        */
       softpipe_unmap_transfers(softpipe);
+      
+      softpipe->dirty_render_cache = FALSE;
    }
 
    /* Enable to dump BMPs of the color/depth buffers each frame */
diff --git a/src/gallium/drivers/softpipe/sp_setup.c b/src/gallium/drivers/softpipe/sp_setup.c
index c6844a2649..cb5d0fb6c2 100644
--- a/src/gallium/drivers/softpipe/sp_setup.c
+++ b/src/gallium/drivers/softpipe/sp_setup.c
@@ -444,7 +444,8 @@ static void flush_spans( struct setup_context *setup )
             mask |= MASK_TOP_RIGHT;
          if (x+1 >= xleft1 && x+1 < xright1)
             mask |= MASK_BOTTOM_RIGHT;
-         EMIT_QUAD( setup, x, setup->span.y, mask );
+         if (mask)
+            EMIT_QUAD( setup, x, setup->span.y, mask );
       }
       break;
 
@@ -458,7 +459,8 @@ static void flush_spans( struct setup_context *setup )
             mask |= MASK_TOP_LEFT;
          if (x+1 >= xleft0 && x+1 < xright0)
             mask |= MASK_TOP_RIGHT;
-         EMIT_QUAD( setup, x, setup->span.y, mask );
+         if (mask)
+            EMIT_QUAD( setup, x, setup->span.y, mask );
       }
       break;
 
@@ -472,7 +474,8 @@ static void flush_spans( struct setup_context *setup )
             mask |= MASK_BOTTOM_LEFT;
          if (x+1 >= xleft1 && x+1 < xright1)
             mask |= MASK_BOTTOM_RIGHT;
-         EMIT_QUAD( setup, x, setup->span.y, mask );
+         if (mask)
+            EMIT_QUAD( setup, x, setup->span.y, mask );
       }
       break;
 
diff --git a/src/gallium/include/pipe/p_refcnt.h b/src/gallium/include/pipe/p_refcnt.h
index 1f89453e09..1f9088b3e9 100644
--- a/src/gallium/include/pipe/p_refcnt.h
+++ b/src/gallium/include/pipe/p_refcnt.h
@@ -62,29 +62,29 @@ pipe_is_referenced(struct pipe_reference *reference)
  * Set 'ptr' to point to 'reference' and update reference counting.
  * The old thing pointed to, if any, will be unreferenced first.
  * 'reference' may be NULL.
- *
- * XXX: thread safety issues!
  */
 static INLINE bool
 pipe_reference(struct pipe_reference **ptr, struct pipe_reference *reference)
 {
    bool destroy = FALSE;
 
-   /* bump the reference.count first */
-   if (reference) {
-      assert(pipe_is_referenced(reference));
-      p_atomic_inc(&reference->count);
-   }
-
-   if (*ptr) {
-      assert(pipe_is_referenced(*ptr));
-      if (p_atomic_dec_zero(&(*ptr)->count)) {
-         destroy = TRUE;
+   if(*ptr != reference) {
+      /* bump the reference.count first */
+      if (reference) {
+         assert(pipe_is_referenced(reference));
+         p_atomic_inc(&reference->count);
       }
+   
+      if (*ptr) {
+         assert(pipe_is_referenced(*ptr));
+         if (p_atomic_dec_zero(&(*ptr)->count)) {
+            destroy = TRUE;
+         }
+      }
+   
+      *ptr = reference;
    }
 
-   *ptr = reference;
-
    return destroy;
 }
 
diff --git a/src/gallium/include/pipe/p_thread.h b/src/gallium/include/pipe/p_thread.h
index df6d38904a..96e8e08744 100644
--- a/src/gallium/include/pipe/p_thread.h
+++ b/src/gallium/include/pipe/p_thread.h
@@ -36,6 +36,7 @@
 
 
 #include "pipe/p_compiler.h"
+#include "util/u_debug.h" /* for assert */
 
 
 #if defined(PIPE_OS_LINUX) || defined(PIPE_OS_BSD) || defined(PIPE_OS_SOLARIS)
diff --git a/src/gallium/state_trackers/python/tests/base.py b/src/gallium/state_trackers/python/tests/base.py
index 1fa7fe6f3b..202ccfc350 100755
--- a/src/gallium/state_trackers/python/tests/base.py
+++ b/src/gallium/state_trackers/python/tests/base.py
@@ -46,6 +46,14 @@ for name, value in globals().items():
     if name.startswith("PIPE_FORMAT_") and isinstance(value, int):
         formats[value] = name
 
+def is_depth_stencil_format(format):
+    # FIXME: make and use binding to pf_is_depth_stencil
+    return format in (
+        PIPE_FORMAT_Z32_UNORM,
+        PIPE_FORMAT_Z24S8_UNORM,
+        PIPE_FORMAT_Z24X8_UNORM,
+        PIPE_FORMAT_Z16_UNORM,
+    )
 
 def make_image(width, height, rgba):
     import Image
diff --git a/src/gallium/state_trackers/python/tests/texture_sample.py b/src/gallium/state_trackers/python/tests/texture_sample.py
index 06130ea1c9..c7b78abbbe 100755
--- a/src/gallium/state_trackers/python/tests/texture_sample.py
+++ b/src/gallium/state_trackers/python/tests/texture_sample.py
@@ -497,17 +497,13 @@ def main():
         PIPE_TEXTURE_3D,
     ]
     
-    formats = [
+    color_formats = [
         PIPE_FORMAT_A8R8G8B8_UNORM,
         PIPE_FORMAT_X8R8G8B8_UNORM,
         #PIPE_FORMAT_A8R8G8B8_SRGB,
         PIPE_FORMAT_R5G6B5_UNORM,
         PIPE_FORMAT_A1R5G5B5_UNORM,
         PIPE_FORMAT_A4R4G4B4_UNORM,
-        PIPE_FORMAT_Z32_UNORM,
-        PIPE_FORMAT_Z24S8_UNORM,
-        PIPE_FORMAT_Z24X8_UNORM,
-        PIPE_FORMAT_Z16_UNORM,
         PIPE_FORMAT_A8_UNORM,
         PIPE_FORMAT_L8_UNORM,
         PIPE_FORMAT_YCBCR,
@@ -517,6 +513,13 @@ def main():
         #PIPE_FORMAT_DXT5_RGBA,
     ]
     
+    depth_formats = [
+        PIPE_FORMAT_Z32_UNORM,
+        PIPE_FORMAT_Z24S8_UNORM,
+        PIPE_FORMAT_Z24X8_UNORM,
+        PIPE_FORMAT_Z16_UNORM,
+    ]
+    
     sizes = [64, 32, 16, 8, 4, 2, 1]
     #sizes = [1020, 508, 252, 62, 30, 14, 6, 3]
     #sizes = [64]
@@ -531,8 +534,8 @@ def main():
         PIPE_TEX_FACE_NEG_Z,
     ]
 
-    for target in targets:
-        for format in formats:
+    for format in color_formats:
+        for target in targets:
             for size in sizes:
                 if target == PIPE_TEXTURE_3D:
                     depth = size
@@ -546,17 +549,7 @@ def main():
                         for level in range(0, last_level + 1):
                             zslice = 0
                             while zslice < depth >> level:
-                                if format in (
-                                    PIPE_FORMAT_Z32_UNORM,
-                                    PIPE_FORMAT_Z24S8_UNORM,
-                                    PIPE_FORMAT_Z24X8_UNORM,
-                                    PIPE_FORMAT_Z16_UNORM,
-                                ):
-                                    klass = TextureDepthSampleTest
-                                else:
-                                    klass = TextureColorSampleTest
-
-                                test = klass(
+                                test = TextureColorSampleTest(
                                     dev = dev,
                                     target = target,
                                     format = format, 
@@ -570,6 +563,27 @@ def main():
                                 )
                                 suite.add_test(test)
                                 zslice = (zslice + 1)*2 - 1
+    for format in depth_formats:
+        target = PIPE_TEXTURE_2D
+        depth = 1
+        face = 0
+        last_level = 0
+        level = 0
+        zslice = 0
+        for size in sizes:
+            test = TextureDepthSampleTest(
+                dev = dev,
+                target = target,
+                format = format, 
+                width = size,
+                height = size,
+                depth = depth,
+                last_level = last_level,
+                face = face,
+                level = level,
+                zslice = zslice,
+            )
+            suite.add_test(test)
     suite.run()
 
 
diff --git a/src/mesa/drivers/dri/i965/brw_context.h b/src/mesa/drivers/dri/i965/brw_context.h
index 873fc8ffff..13fece44b8 100644
--- a/src/mesa/drivers/dri/i965/brw_context.h
+++ b/src/mesa/drivers/dri/i965/brw_context.h
@@ -614,9 +614,10 @@ struct brw_context
       struct brw_wm_prog_data *prog_data;
       struct brw_wm_compile *compile_data;
 
-      /* Input sizes, calculated from active vertex program:
+      /** Input sizes, calculated from active vertex program.
+       * One bit per fragment program input attribute.
        */
-      GLuint input_size_masks[4];
+      GLbitfield input_size_masks[4];
 
       /** Array of surface default colors (texture border color) */
       dri_bo *sdc_bo[BRW_MAX_TEX_UNIT];
diff --git a/src/mesa/drivers/dri/i965/brw_vs_constval.c b/src/mesa/drivers/dri/i965/brw_vs_constval.c
index 2637344b48..249a800bf4 100644
--- a/src/mesa/drivers/dri/i965/brw_vs_constval.c
+++ b/src/mesa/drivers/dri/i965/brw_vs_constval.c
@@ -39,8 +39,8 @@
  */
 struct tracker {
    GLboolean twoside;
-   GLubyte active[PROGRAM_OUTPUT+1][128];
-   GLuint size_masks[4];
+   GLubyte active[PROGRAM_OUTPUT+1][MAX_PROGRAM_TEMPS];
+   GLbitfield size_masks[4];  /**< one bit per fragment program input attrib */
 };
 
 
@@ -53,8 +53,10 @@ static void set_active_component( struct tracker *t,
    case PROGRAM_TEMPORARY:
    case PROGRAM_INPUT:
    case PROGRAM_OUTPUT:
+      assert(file < PROGRAM_OUTPUT + 1);
+      assert(index < Elements(t->active[0]));
       t->active[file][index] |= active;
-
+      break;
    default:
       break;
    }
@@ -108,10 +110,15 @@ static GLubyte get_active( struct tracker *t,
    return active;
 }
 
+/**
+ * Return the size (1,2,3 or 4) of the output/result for VERT_RESULT_idx.
+ */
 static GLubyte get_output_size( struct tracker *t,
 				GLuint idx )
 {
-   GLubyte active = t->active[PROGRAM_OUTPUT][idx];
+   GLubyte active;
+   assert(idx < VERT_RESULT_MAX);
+   active = t->active[PROGRAM_OUTPUT][idx];
    if (active & (1<<3)) return 4;
    if (active & (1<<2)) return 3;
    if (active & (1<<1)) return 2;
@@ -123,7 +130,7 @@ static GLubyte get_output_size( struct tracker *t,
  */
 static void calc_sizes( struct tracker *t )
 {
-   GLuint i;
+   GLint vertRes;
 
    if (t->twoside) {
       t->active[PROGRAM_OUTPUT][VERT_RESULT_COL0] |= 
@@ -133,12 +140,27 @@ static void calc_sizes( struct tracker *t )
 	 t->active[PROGRAM_OUTPUT][VERT_RESULT_BFC1];
    }
 
-   for (i = 0; i < FRAG_ATTRIB_MAX; i++) {
-      switch (get_output_size(t, i)) {
-      case 4: t->size_masks[4-1] |= 1<<i;
-      case 3: t->size_masks[3-1] |= 1<<i;
-      case 2: t->size_masks[2-1] |= 1<<i;
-      case 1: t->size_masks[1-1] |= 1<<i;
+   /* Examine vertex program output sizes to set the size_masks[] info
+    * which describes the fragment program input sizes.
+    */
+   for (vertRes = VERT_RESULT_TEX0; vertRes < VERT_RESULT_MAX; vertRes++) {
+      GLint fragAttrib;
+
+      /* map vertex program output index to fragment program input index */
+      if (vertRes <= VERT_RESULT_TEX7)
+         fragAttrib = FRAG_ATTRIB_TEX0 + vertRes - VERT_RESULT_TEX0;
+      else if (vertRes >= VERT_RESULT_VAR0)
+         fragAttrib = FRAG_ATTRIB_VAR0 + vertRes - VERT_RESULT_VAR0;
+      else
+         continue;
+      assert(fragAttrib >= FRAG_ATTRIB_TEX0);
+      assert(fragAttrib <= FRAG_ATTRIB_MAX);
+
+      switch (get_output_size(t, vertRes)) {
+      case 4: t->size_masks[4-1] |= 1 << fragAttrib;
+      case 3: t->size_masks[3-1] |= 1 << fragAttrib;
+      case 2: t->size_masks[2-1] |= 1 << fragAttrib;
+      case 1: t->size_masks[1-1] |= 1 << fragAttrib;
 	 break;
       }
    }
diff --git a/src/mesa/drivers/dri/i965/brw_wm.c b/src/mesa/drivers/dri/i965/brw_wm.c
index 34c8ceddb7..14e05be4f6 100644
--- a/src/mesa/drivers/dri/i965/brw_wm.c
+++ b/src/mesa/drivers/dri/i965/brw_wm.c
@@ -267,7 +267,7 @@ static void brw_wm_populate_key( struct brw_context *brw,
 
 
    /* BRW_NEW_WM_INPUT_DIMENSIONS */
-   key->projtex_mask = brw->wm.input_size_masks[4-1] >> (FRAG_ATTRIB_TEX0 - FRAG_ATTRIB_WPOS); 
+   key->proj_attrib_mask = brw->wm.input_size_masks[4-1];
 
    /* _NEW_LIGHT */
    key->flat_shade = (ctx->Light.ShadeModel == GL_FLAT);
diff --git a/src/mesa/drivers/dri/i965/brw_wm.h b/src/mesa/drivers/dri/i965/brw_wm.h
index ab0ab8bdbf..ba497432c6 100644
--- a/src/mesa/drivers/dri/i965/brw_wm.h
+++ b/src/mesa/drivers/dri/i965/brw_wm.h
@@ -66,7 +66,7 @@ struct brw_wm_prog_key {
    GLuint linear_color:1;  /**< linear interpolation vs perspective interp */
    GLuint runtime_check_aads_emit:1;
    
-   GLuint projtex_mask:16;
+   GLbitfield proj_attrib_mask; /**< one bit per fragment program attribute */
    GLuint shadowtex_mask:16;
    GLuint yuvtex_mask:16;
    GLuint yuvtex_swap_mask:16;	/* UV swaped */
diff --git a/src/mesa/drivers/dri/i965/brw_wm_fp.c b/src/mesa/drivers/dri/i965/brw_wm_fp.c
index 5b302cc309..b9e8dd2e96 100644
--- a/src/mesa/drivers/dri/i965/brw_wm_fp.c
+++ b/src/mesa/drivers/dri/i965/brw_wm_fp.c
@@ -846,10 +846,16 @@ static void precalc_tex( struct brw_wm_compile *c,
 }
 
 
+/**
+ * Check if the given TXP instruction really needs the divide-by-W step.
+ */
 static GLboolean projtex( struct brw_wm_compile *c,
 			  const struct prog_instruction *inst )
 {
-   struct prog_src_register src = inst->SrcReg[0];
+   const struct prog_src_register src = inst->SrcReg[0];
+   GLboolean retVal;
+
+   assert(inst->Opcode == OPCODE_TXP);
 
    /* Only try to detect the simplest cases.  Could detect (later)
     * cases where we are trying to emit code like RCP {1.0}, MUL x,
@@ -859,16 +865,21 @@ static GLboolean projtex( struct brw_wm_compile *c,
     * user-provided fragment programs anyway:
     */
    if (inst->TexSrcTarget == TEXTURE_CUBE_INDEX)
-      return 0;  /* ut2004 gun rendering !?! */
+      retVal = GL_FALSE;  /* ut2004 gun rendering !?! */
    else if (src.File == PROGRAM_INPUT && 
 	    GET_SWZ(src.Swizzle, W) == W &&
-           (c->key.projtex_mask & (1<<(src.Index + FRAG_ATTRIB_WPOS - FRAG_ATTRIB_TEX0))) == 0)
-      return 0;
+            (c->key.proj_attrib_mask & (1 << src.Index)) == 0)
+      retVal = GL_FALSE;
    else
-      return 1;
+      retVal = GL_TRUE;
+
+   return retVal;
 }
 
 
+/**
+ * Emit code for TXP.
+ */
 static void precalc_txp( struct brw_wm_compile *c,
 			       const struct prog_instruction *inst )
 {
diff --git a/src/mesa/drivers/dri/intel/intel_screen.c b/src/mesa/drivers/dri/intel/intel_screen.c
index 8da96ede64..70e0980ed6 100644
--- a/src/mesa/drivers/dri/intel/intel_screen.c
+++ b/src/mesa/drivers/dri/intel/intel_screen.c
@@ -410,6 +410,30 @@ intelCreateBuffer(__DRIscreenPrivate * driScrnPriv,
 static void
 intelDestroyBuffer(__DRIdrawablePrivate * driDrawPriv)
 {
+   struct intel_framebuffer *intel_fb = driDrawPriv->driverPrivate;
+   struct intel_renderbuffer *depth_rb;
+   struct intel_renderbuffer *stencil_rb;
+
+   if (intel_fb) {
+      if (intel_fb->color_rb[0]) {
+         intel_renderbuffer_set_region(intel_fb->color_rb[0], NULL);
+      }
+
+      if (intel_fb->color_rb[1]) {
+         intel_renderbuffer_set_region(intel_fb->color_rb[1], NULL);
+      }
+
+      depth_rb = intel_get_renderbuffer(&intel_fb->Base, BUFFER_DEPTH);
+      if (depth_rb) {
+         intel_renderbuffer_set_region(depth_rb, NULL);
+      }
+
+      stencil_rb = intel_get_renderbuffer(&intel_fb->Base, BUFFER_STENCIL);
+      if (stencil_rb) {
+         intel_renderbuffer_set_region(stencil_rb, NULL);
+      }
+   }
+
    _mesa_reference_framebuffer((GLframebuffer **)(&(driDrawPriv->driverPrivate)), NULL);
 }
 
diff --git a/src/mesa/main/api_validate.c b/src/mesa/main/api_validate.c
index 1507671250..b2f11ffbfe 100644
--- a/src/mesa/main/api_validate.c
+++ b/src/mesa/main/api_validate.c
@@ -60,7 +60,7 @@ max_buffer_index(GLcontext *ctx, GLuint count, GLenum type,
 {
    const GLubyte *map = NULL;
    GLuint max = 0;
-   GLint i;
+   GLuint i;
 
    if (elementBuf->Name) {
       /* elements are in a user-defined buffer object.  need to map it */
diff --git a/src/mesa/main/macros.h b/src/mesa/main/macros.h
index 01d59dd42d..59def651a3 100644
--- a/src/mesa/main/macros.h
+++ b/src/mesa/main/macros.h
@@ -55,7 +55,7 @@ extern GLfloat _mesa_ubyte_to_float_color_tab[256];
 
 
 /** Convert GLbyte in [-128,127] to GLfloat in [-1.0,1.0], texture/fb data */
-#define BYTE_TO_FLOAT_TEX(B)    ((B) == -128 ? -1.0 : (B) * (1.0F/127.0F))
+#define BYTE_TO_FLOAT_TEX(B)    ((B) == -128 ? -1.0F : (B) * (1.0F/127.0F))
 
 /** Convert GLfloat in [-1.0,1.0] to GLbyte in [-128,127], texture/fb data */
 #define FLOAT_TO_BYTE_TEX(X)    ( (GLint) (127.0F * (X)) )
@@ -65,7 +65,7 @@ extern GLfloat _mesa_ubyte_to_float_color_tab[256];
 #define USHORT_TO_FLOAT(S)  ((GLfloat) (S) * (1.0F / 65535.0F))
 
 /** Convert GLfloat in [0.0,1.0] to GLushort in [0, 65535] */
-#define FLOAT_TO_USHORT(X)   ((GLuint) ((X) * 65535.0))
+#define FLOAT_TO_USHORT(X)   ((GLuint) ((X) * 65535.0F))
 
 
 /** Convert GLshort in [-32768,32767] to GLfloat in [-1.0,1.0] */
@@ -76,7 +76,7 @@ extern GLfloat _mesa_ubyte_to_float_color_tab[256];
 
 
 /** Convert GLshort in [-32768,32767] to GLfloat in [-1.0,1.0], texture/fb data */
-#define SHORT_TO_FLOAT_TEX(S)    ((S) == -32768 ? -1.0 : (S) * (1.0F/32767.0F))
+#define SHORT_TO_FLOAT_TEX(S)    ((S) == -32768 ? -1.0F : (S) * (1.0F/32767.0F))
 
 /** Convert GLfloat in [-1.0,1.0] to GLshort in [-32768,32767], texture/fb data */
 #define FLOAT_TO_SHORT_TEX(X)    ( (GLint) (32767.0F * (X)) )
@@ -86,7 +86,7 @@ extern GLfloat _mesa_ubyte_to_float_color_tab[256];
 #define UINT_TO_FLOAT(U)    ((GLfloat) (U) * (1.0F / 4294967295.0F))
 
 /** Convert GLfloat in [0.0,1.0] to GLuint in [0,4294967295] */
-#define FLOAT_TO_UINT(X)    ((GLuint) ((X) * 4294967295.0))
+#define FLOAT_TO_UINT(X)    ((GLuint) ((X) * 4294967295.0F))
 
 
 /** Convert GLint in [-2147483648,2147483647] to GLfloat in [-1.0,1.0] */
@@ -97,11 +97,11 @@ extern GLfloat _mesa_ubyte_to_float_color_tab[256];
 #define FLOAT_TO_INT(X)     ( (((GLint) (4294967294.0F * (X))) - 1) / 2 )
 */
 /* a close approximation: */
-#define FLOAT_TO_INT(X)     ( (GLint) (2147483647.0 * (X)) )
+#define FLOAT_TO_INT(X)     ( (GLint) (2147483647.0F * (X)) )
 
 
 /** Convert GLint in [-2147483648,2147483647] to GLfloat in [-1.0,1.0], texture/fb data */
-#define INT_TO_FLOAT_TEX(I)    ((I) == -2147483648 ? -1.0 : (I) * (1.0F/2147483647.0))
+#define INT_TO_FLOAT_TEX(I)    ((I) == -2147483648 ? -1.0F : (I) * (1.0F/2147483647.0F))
 
 /** Convert GLfloat in [-1.0,1.0] to GLint in [-2147483648,2147483647], texture/fb data */
 #define FLOAT_TO_INT_TEX(X)    ( (GLint) (2147483647.0F * (X)) )
@@ -120,7 +120,7 @@ extern GLfloat _mesa_ubyte_to_float_color_tab[256];
 #define INT_TO_USHORT(i)   ((i) < 0 ? 0 : ((GLushort) ((i) >> 15)))
 #define UINT_TO_USHORT(i)  ((i) < 0 ? 0 : ((GLushort) ((i) >> 16)))
 #define UNCLAMPED_FLOAT_TO_USHORT(us, f)  \
-        us = ( (GLushort) IROUND( CLAMP((f), 0.0, 1.0) * 65535.0F) )
+        us = ( (GLushort) IROUND( CLAMP((f), 0.0F, 1.0F) * 65535.0F) )
 #define CLAMPED_FLOAT_TO_USHORT(us, f)  \
         us = ( (GLushort) IROUND( (f) * 65535.0F) )
 
diff --git a/src/mesa/main/texenv.c b/src/mesa/main/texenv.c
index 4d511f2f7e..4c04a7ed37 100644
--- a/src/mesa/main/texenv.c
+++ b/src/mesa/main/texenv.c
@@ -959,7 +959,7 @@ void GLAPIENTRY
 _mesa_GetTexBumpParameterivATI( GLenum pname, GLint *param )
 {
    const struct gl_texture_unit *texUnit;
-   GLint i;
+   GLuint i;
    GLint temp = 0;
    GET_CURRENT_CONTEXT(ctx);
    ASSERT_OUTSIDE_BEGIN_END(ctx);
@@ -1006,7 +1006,7 @@ void GLAPIENTRY
 _mesa_GetTexBumpParameterfvATI( GLenum pname, GLfloat *param )
 {
    const struct gl_texture_unit *texUnit;
-   GLint i;
+   GLuint i;
    GLint temp = 0;
    GET_CURRENT_CONTEXT(ctx);
    ASSERT_OUTSIDE_BEGIN_END(ctx);
diff --git a/src/mesa/main/texenvprogram.c b/src/mesa/main/texenvprogram.c
index a70d069bd9..b92ba2542d 100644
--- a/src/mesa/main/texenvprogram.c
+++ b/src/mesa/main/texenvprogram.c
@@ -877,6 +877,7 @@ static struct ureg get_source( struct texenv_fragment_program *p,
 
    default:
       assert(0);
+      return undef;
    }
 }
 
diff --git a/src/mesa/main/texformat_tmp.h b/src/mesa/main/texformat_tmp.h
index f3b2fb9c9c..eb160deff9 100644
--- a/src/mesa/main/texformat_tmp.h
+++ b/src/mesa/main/texformat_tmp.h
@@ -1347,13 +1347,13 @@ static void FETCH(f_ycbcr)( const struct gl_texture_image *texImage,
    const GLubyte cb = *src0 & 0xff;         /* chroma U */
    const GLubyte y1 = (*src1 >> 8) & 0xff;  /* luminance */
    const GLubyte cr = *src1 & 0xff;         /* chroma V */
-   const GLfloat y = (i & 1) ? y1 : y0;     /* choose even/odd luminance */
-   GLfloat r = 1.164 * (y - 16) + 1.596 * (cr - 128);
-   GLfloat g = 1.164 * (y - 16) - 0.813 * (cr - 128) - 0.391 * (cb - 128);
-   GLfloat b = 1.164 * (y - 16) + 2.018 * (cb - 128);
-   r *= (1.0 / 255.0F);
-   g *= (1.0 / 255.0F);
-   b *= (1.0 / 255.0F);
+   const GLubyte y = (i & 1) ? y1 : y0;     /* choose even/odd luminance */
+   GLfloat r = 1.164F * (y - 16) + 1.596F * (cr - 128);
+   GLfloat g = 1.164F * (y - 16) - 0.813F * (cr - 128) - 0.391F * (cb - 128);
+   GLfloat b = 1.164F * (y - 16) + 2.018F * (cb - 128);
+   r *= (1.0F / 255.0F);
+   g *= (1.0F / 255.0F);
+   b *= (1.0F / 255.0F);
    texel[RCOMP] = CLAMP(r, 0.0F, 1.0F);
    texel[GCOMP] = CLAMP(g, 0.0F, 1.0F);
    texel[BCOMP] = CLAMP(b, 0.0F, 1.0F);
@@ -1388,13 +1388,13 @@ static void FETCH(f_ycbcr_rev)( const struct gl_texture_image *texImage,
    const GLubyte cr = (*src0 >> 8) & 0xff;  /* chroma V */
    const GLubyte y1 = *src1 & 0xff;         /* luminance */
    const GLubyte cb = (*src1 >> 8) & 0xff;  /* chroma U */
-   const GLfloat y = (i & 1) ? y1 : y0;     /* choose even/odd luminance */
-   GLfloat r = 1.164 * (y - 16) + 1.596 * (cr - 128);
-   GLfloat g = 1.164 * (y - 16) - 0.813 * (cr - 128) - 0.391 * (cb - 128);
-   GLfloat b = 1.164 * (y - 16) + 2.018 * (cb - 128);
-   r *= (1.0 / 255.0F);
-   g *= (1.0 / 255.0F);
-   b *= (1.0 / 255.0F);
+   const GLubyte y = (i & 1) ? y1 : y0;     /* choose even/odd luminance */
+   GLfloat r = 1.164F * (y - 16) + 1.596F * (cr - 128);
+   GLfloat g = 1.164F * (y - 16) - 0.813F * (cr - 128) - 0.391F * (cb - 128);
+   GLfloat b = 1.164F * (y - 16) + 2.018F * (cb - 128);
+   r *= (1.0F / 255.0F);
+   g *= (1.0F / 255.0F);
+   b *= (1.0F / 255.0F);
    texel[RCOMP] = CLAMP(r, 0.0F, 1.0F);
    texel[GCOMP] = CLAMP(g, 0.0F, 1.0F);
    texel[BCOMP] = CLAMP(b, 0.0F, 1.0F);
diff --git a/src/mesa/main/texgetimage.c b/src/mesa/main/texgetimage.c
index 70a25080cb..02409d8009 100644
--- a/src/mesa/main/texgetimage.c
+++ b/src/mesa/main/texgetimage.c
@@ -73,11 +73,11 @@ linear_to_nonlinear(GLfloat cl)
 {
    /* can't have values outside [0, 1] */
    GLfloat cs;
-   if (cl < 0.0031308) {
-      cs = 12.92 * cl;
+   if (cl < 0.0031308f) {
+      cs = 12.92f * cl;
    }
    else {
-      cs = 1.055 * _mesa_pow(cl, 0.41666) - 0.055;
+      cs = (GLfloat)(1.055 * _mesa_pow(cl, 0.41666) - 0.055);
    }
    return cs;
 }
diff --git a/src/mesa/main/viewport.c b/src/mesa/main/viewport.c
index ead856d32c..50e0402d27 100644
--- a/src/mesa/main/viewport.c
+++ b/src/mesa/main/viewport.c
@@ -73,8 +73,8 @@ _mesa_set_viewport(GLcontext *ctx, GLint x, GLint y,
    }
 
    /* clamp width and height to the implementation dependent range */
-   width  = CLAMP(width,  1, (GLsizei) ctx->Const.MaxViewportWidth);
-   height = CLAMP(height, 1, (GLsizei) ctx->Const.MaxViewportHeight);
+   width  = MIN2(width, (GLsizei) ctx->Const.MaxViewportWidth);
+   height = MIN2(height, (GLsizei) ctx->Const.MaxViewportHeight);
 
    ctx->Viewport.X = x;
    ctx->Viewport.Width = width;
diff --git a/src/mesa/swrast/s_texfilter.c b/src/mesa/swrast/s_texfilter.c
index 0067d3eeb7..6b1f934647 100644
--- a/src/mesa/swrast/s_texfilter.c
+++ b/src/mesa/swrast/s_texfilter.c
@@ -138,7 +138,7 @@ lerp_rgba_3d(GLfloat result[4], GLfloat a, GLfloat b, GLfloat c,
  * If A is a signed integer, A % B doesn't give the right value for A < 0
  * (in terms of texture repeat).  Just casting to unsigned fixes that.
  */
-#define REMAINDER(A, B) ((unsigned) (A) % (unsigned) (B))
+#define REMAINDER(A, B) (((A) + (B) * 1024) % (B))
 
 
 /**