Merge branch 'mesa_7_6_branch' into mesa_7_7_branch

Conflicts:
	progs/util/shaderutil.c
	src/mesa/drivers/dri/r600/r600_context.c
	src/mesa/main/version.h

7 files changed, 77 insertions, 53 deletions

diff --git a/src/mesa/drivers/dri/i915/i915_context.h b/src/mesa/drivers/dri/i915/i915_context.h
index 082d614442..25418d5f7a 100644
--- a/src/mesa/drivers/dri/i915/i915_context.h
+++ b/src/mesa/drivers/dri/i915/i915_context.h
@@ -39,6 +39,7 @@
 #define I915_FALLBACK_LOGICOP		 0x20000
 #define I915_FALLBACK_POLYGON_SMOOTH	 0x40000
 #define I915_FALLBACK_POINT_SMOOTH	 0x80000
+#define I915_FALLBACK_POINT_SPRITE_COORD_ORIGIN	 0x100000
 
 #define I915_UPLOAD_CTX              0x1
 #define I915_UPLOAD_BUFFERS          0x2
diff --git a/src/mesa/drivers/dri/i915/i915_state.c b/src/mesa/drivers/dri/i915/i915_state.c
index b60efea75b..cc98d125db 100644
--- a/src/mesa/drivers/dri/i915/i915_state.c
+++ b/src/mesa/drivers/dri/i915/i915_state.c
@@ -585,7 +585,7 @@ i915PointSize(GLcontext * ctx, GLfloat size)
 {
    struct i915_context *i915 = I915_CONTEXT(ctx);
    int lis4 = i915->state.Ctx[I915_CTXREG_LIS4] & ~S4_POINT_WIDTH_MASK;
-   GLint point_size = (int) size;
+   GLint point_size = (int) round(size);
 
    DBG("%s\n", __FUNCTION__);
    
@@ -599,6 +599,24 @@ i915PointSize(GLcontext * ctx, GLfloat size)
 }
 
 
+static void
+i915PointParameterfv(GLcontext * ctx, GLenum pname, const GLfloat *params)
+{
+   struct i915_context *i915 = I915_CONTEXT(ctx);
+
+   switch (pname) {
+   case GL_POINT_SPRITE_COORD_ORIGIN:
+      /* This could be supported, but it would require modifying the fragment
+       * program to invert the y component of the texture coordinate by
+       * inserting a 'SUB tc.y, {1.0}.xxxx, tc' instruction.
+       */
+      FALLBACK(&i915->intel, I915_FALLBACK_POINT_SPRITE_COORD_ORIGIN,
+	       (params[0] != GL_UPPER_LEFT));
+      break;
+   }
+}
+
+
 /* =============================================================
  * Color masks
  */
@@ -939,6 +957,17 @@ i915Enable(GLcontext * ctx, GLenum cap, GLboolean state)
    case GL_POLYGON_SMOOTH:
       break;
 
+   case GL_POINT_SPRITE:
+      /* This state change is handled in i915_reduced_primitive_state because
+       * the hardware bit should only be set when rendering points.
+       */
+      I915_STATECHANGE(i915, I915_UPLOAD_CTX);
+      if (state)
+	 i915->state.Ctx[I915_CTXREG_LIS4] |= S4_SPRITE_POINT_ENABLE;
+      else
+	 i915->state.Ctx[I915_CTXREG_LIS4] &= ~S4_SPRITE_POINT_ENABLE;
+      break;
+
    case GL_POINT_SMOOTH:
       break;
 
@@ -1108,6 +1137,7 @@ i915InitStateFunctions(struct dd_function_table *functions)
    functions->LineWidth = i915LineWidth;
    functions->LogicOpcode = i915LogicOp;
    functions->PointSize = i915PointSize;
+   functions->PointParameterfv = i915PointParameterfv;
    functions->PolygonStipple = i915PolygonStipple;
    functions->Scissor = i915Scissor;
    functions->ShadeModel = i915ShadeModel;
diff --git a/src/mesa/drivers/dri/intel/intel_buffer_objects.c b/src/mesa/drivers/dri/intel/intel_buffer_objects.c
index 669becdab4..3b7015b5ad 100644
--- a/src/mesa/drivers/dri/intel/intel_buffer_objects.c
+++ b/src/mesa/drivers/dri/intel/intel_buffer_objects.c
@@ -268,6 +268,8 @@ intel_bufferobj_map(GLcontext * ctx,
 
    if (intel_obj->sys_buffer) {
       obj->Pointer = intel_obj->sys_buffer;
+      obj->Length = obj->Size;
+      obj->Offset = 0;
       return obj->Pointer;
    }
 
diff --git a/src/mesa/drivers/dri/radeon/radeon_dma.c b/src/mesa/drivers/dri/radeon/radeon_dma.c
index c6edbae9a1..c9a32c808b 100644
--- a/src/mesa/drivers/dri/radeon/radeon_dma.c
+++ b/src/mesa/drivers/dri/radeon/radeon_dma.c
@@ -207,6 +207,7 @@ again_alloc:
 		   counter on unused buffers for later freeing them from
 		   begin of list */
 		dma_bo = last_elem(&rmesa->dma.free);
+		assert(dma_bo->bo->cref == 1);
 		remove_from_list(dma_bo);
 		insert_at_head(&rmesa->dma.reserved, dma_bo);
 	}
@@ -306,10 +307,6 @@ static int radeon_bo_is_idle(struct radeon_bo* bo)
 		WARN_ONCE("Your libdrm or kernel doesn't have support for busy query.\n"
 			"This may cause small performance drop for you.\n");
 	}
-	/* Protect against bug in legacy bo handling that causes bos stay
-	 * referenced even after they should be freed */
-	if (bo->cref != 1)
-		return 0;
 	return ret != -EBUSY;
 }
 
@@ -346,9 +343,7 @@ void radeonReleaseDmaRegions(radeonContextPtr rmesa)
 	foreach_s(dma_bo, temp, &rmesa->dma.wait) {
 		if (dma_bo->expire_counter == time) {
 			WARN_ONCE("Leaking dma buffer object!\n");
-			/* force free of buffer so we don't realy start
-			 * leaking stuff now*/
-			while ((dma_bo->bo = radeon_bo_unref(dma_bo->bo))) {}
+			radeon_bo_unref(dma_bo->bo);
 			remove_from_list(dma_bo);
 			FREE(dma_bo);
 			continue;
diff --git a/src/mesa/drivers/dri/swrast/swrast_span.c b/src/mesa/drivers/dri/swrast/swrast_span.c
index 2d3c25dcbe..f8e503463f 100644
--- a/src/mesa/drivers/dri/swrast/swrast_span.c
+++ b/src/mesa/drivers/dri/swrast/swrast_span.c
@@ -63,56 +63,42 @@ static const GLubyte kernel[16] = {
 
 /* 32-bit BGRA */
 #define STORE_PIXEL_A8R8G8B8(DST, X, Y, VALUE) \
-   DST[3] = VALUE[ACOMP]; \
-   DST[2] = VALUE[RCOMP]; \
-   DST[1] = VALUE[GCOMP]; \
-   DST[0] = VALUE[BCOMP]
+   *DST = VALUE[ACOMP] << 24 | VALUE[RCOMP] << 16 | VALUE[GCOMP] << 8 | VALUE[BCOMP]
 #define STORE_PIXEL_RGB_A8R8G8B8(DST, X, Y, VALUE) \
-   DST[3] = 0xff; \
-   DST[2] = VALUE[RCOMP]; \
-   DST[1] = VALUE[GCOMP]; \
-   DST[0] = VALUE[BCOMP]
+   *DST = 0xff << 24 | VALUE[RCOMP] << 16 | VALUE[GCOMP] << 8 | VALUE[BCOMP]
 #define FETCH_PIXEL_A8R8G8B8(DST, SRC) \
-   DST[ACOMP] = SRC[3]; \
-   DST[RCOMP] = SRC[2]; \
-   DST[GCOMP] = SRC[1]; \
-   DST[BCOMP] = SRC[0]
+   DST[ACOMP] = *SRC >> 24;            \
+   DST[RCOMP] = (*SRC >> 16) & 0xff;   \
+   DST[GCOMP] = (*SRC >> 8) & 0xff;    \
+   DST[BCOMP] = *SRC & 0xff
 
 
 /* 32-bit BGRX */
 #define STORE_PIXEL_X8R8G8B8(DST, X, Y, VALUE) \
-   DST[3] = 0xff; \
-   DST[2] = VALUE[RCOMP]; \
-   DST[1] = VALUE[GCOMP]; \
-   DST[0] = VALUE[BCOMP]
+   *DST = 0xff << 24 | VALUE[RCOMP] << 16 | VALUE[GCOMP] << 8 | VALUE[BCOMP]
 #define STORE_PIXEL_RGB_X8R8G8B8(DST, X, Y, VALUE) \
-   DST[3] = 0xff; \
-   DST[2] = VALUE[RCOMP]; \
-   DST[1] = VALUE[GCOMP]; \
-   DST[0] = VALUE[BCOMP]
+   *DST = 0xff << 24 | VALUE[RCOMP] << 16 | VALUE[GCOMP] << 8 | VALUE[BCOMP]
 #define FETCH_PIXEL_X8R8G8B8(DST, SRC) \
-   DST[ACOMP] = 0xff; \
-   DST[RCOMP] = SRC[2]; \
-   DST[GCOMP] = SRC[1]; \
-   DST[BCOMP] = SRC[0]
+   DST[ACOMP] = 0xff;                  \
+   DST[RCOMP] = (*SRC >> 16) & 0xff;   \
+   DST[GCOMP] = (*SRC >> 8) & 0xff;    \
+   DST[BCOMP] = *SRC & 0xff
 
 
 /* 16-bit BGR */
 #define STORE_PIXEL_R5G6B5(DST, X, Y, VALUE) \
    do { \
    int d = DITHER_COMP(X, Y) >> 6; \
-   GLushort *p = (GLushort *)DST; \
-   *p = ( ((DITHER_CLAMP((VALUE[RCOMP]) + d) & 0xf8) << 8) | \
-	  ((DITHER_CLAMP((VALUE[GCOMP]) + d) & 0xfc) << 3) | \
-	  ((DITHER_CLAMP((VALUE[BCOMP]) + d) & 0xf8) >> 3) ); \
+   *DST = ( ((DITHER_CLAMP((VALUE[RCOMP]) + d) & 0xf8) << 8) | \
+            ((DITHER_CLAMP((VALUE[GCOMP]) + d) & 0xfc) << 3) | \
+            ((DITHER_CLAMP((VALUE[BCOMP]) + d) & 0xf8) >> 3) ); \
    } while(0)
 #define FETCH_PIXEL_R5G6B5(DST, SRC) \
    do { \
-   GLushort p = *(GLushort *)SRC; \
    DST[ACOMP] = 0xff; \
-   DST[RCOMP] = ((p >> 8) & 0xf8) * 255 / 0xf8; \
-   DST[GCOMP] = ((p >> 3) & 0xfc) * 255 / 0xfc; \
-   DST[BCOMP] = ((p << 3) & 0xf8) * 255 / 0xf8; \
+   DST[RCOMP] = ((*SRC >> 8) & 0xf8) * 255 / 0xf8; \
+   DST[GCOMP] = ((*SRC >> 3) & 0xfc) * 255 / 0xfc; \
+   DST[BCOMP] = ((*SRC << 3) & 0xf8) * 255 / 0xf8; \
    } while(0)
 
 
@@ -145,8 +131,8 @@ static const GLubyte kernel[16] = {
 #define SPAN_VARS \
    struct swrast_renderbuffer *xrb = swrast_renderbuffer(rb);
 #define INIT_PIXEL_PTR(P, X, Y) \
-   GLubyte *P = (GLubyte *)xrb->Base.Data + YFLIP(xrb, Y) * xrb->pitch + (X) * 4;
-#define INC_PIXEL_PTR(P) P += 4
+   GLuint *P = (GLuint *)xrb->Base.Data + YFLIP(xrb, Y) * xrb->pitch / 4 + (X)
+#define INC_PIXEL_PTR(P) P++
 #define STORE_PIXEL(DST, X, Y, VALUE) \
    STORE_PIXEL_A8R8G8B8(DST, X, Y, VALUE)
 #define STORE_PIXEL_RGB(DST, X, Y, VALUE) \
@@ -163,8 +149,8 @@ static const GLubyte kernel[16] = {
 #define SPAN_VARS \
    struct swrast_renderbuffer *xrb = swrast_renderbuffer(rb);
 #define INIT_PIXEL_PTR(P, X, Y) \
-   GLubyte *P = (GLubyte *)xrb->Base.Data + YFLIP(xrb, Y) * xrb->pitch + (X) * 4;
-#define INC_PIXEL_PTR(P) P += 4
+   GLuint *P = (GLuint *)xrb->Base.Data + YFLIP(xrb, Y) * xrb->pitch / 4 + (X);
+#define INC_PIXEL_PTR(P) P++
 #define STORE_PIXEL(DST, X, Y, VALUE) \
    STORE_PIXEL_X8R8G8B8(DST, X, Y, VALUE)
 #define STORE_PIXEL_RGB(DST, X, Y, VALUE) \
@@ -181,8 +167,8 @@ static const GLubyte kernel[16] = {
 #define SPAN_VARS \
    struct swrast_renderbuffer *xrb = swrast_renderbuffer(rb);
 #define INIT_PIXEL_PTR(P, X, Y) \
-   GLubyte *P = (GLubyte *)xrb->Base.Data + YFLIP(xrb, Y) * xrb->pitch + (X) * 2;
-#define INC_PIXEL_PTR(P) P += 2
+   GLushort *P = (GLushort *)xrb->Base.Data + YFLIP(xrb, Y) * xrb->pitch / 2 + (X);
+#define INC_PIXEL_PTR(P) P++
 #define STORE_PIXEL(DST, X, Y, VALUE) \
    STORE_PIXEL_R5G6B5(DST, X, Y, VALUE)
 #define FETCH_PIXEL(DST, SRC) \
@@ -234,8 +220,8 @@ static const GLubyte kernel[16] = {
 #define SPAN_VARS \
    struct swrast_renderbuffer *xrb = swrast_renderbuffer(rb);
 #define INIT_PIXEL_PTR(P, X, Y) \
-   GLubyte *P = (GLubyte *)row;
-#define INC_PIXEL_PTR(P) P += 4
+   GLuint *P = (GLuint *)row;
+#define INC_PIXEL_PTR(P) P++
 #define STORE_PIXEL(DST, X, Y, VALUE) \
    STORE_PIXEL_A8R8G8B8(DST, X, Y, VALUE)
 #define STORE_PIXEL_RGB(DST, X, Y, VALUE) \
@@ -252,8 +238,8 @@ static const GLubyte kernel[16] = {
 #define SPAN_VARS \
    struct swrast_renderbuffer *xrb = swrast_renderbuffer(rb);
 #define INIT_PIXEL_PTR(P, X, Y) \
-   GLubyte *P = (GLubyte *)row;
-#define INC_PIXEL_PTR(P) P += 4
+   GLuint *P = (GLuint *)row;
+#define INC_PIXEL_PTR(P) P++
 #define STORE_PIXEL(DST, X, Y, VALUE) \
    STORE_PIXEL_X8R8G8B8(DST, X, Y, VALUE)
 #define STORE_PIXEL_RGB(DST, X, Y, VALUE) \
@@ -270,7 +256,7 @@ static const GLubyte kernel[16] = {
 #define SPAN_VARS \
    struct swrast_renderbuffer *xrb = swrast_renderbuffer(rb);
 #define INIT_PIXEL_PTR(P, X, Y) \
-   GLubyte *P = (GLubyte *)row;
+   GLushort *P = (GLushort *)row;
 #define INC_PIXEL_PTR(P) P += 2
 #define STORE_PIXEL(DST, X, Y, VALUE) \
    STORE_PIXEL_R5G6B5(DST, X, Y, VALUE)
diff --git a/src/mesa/main/compiler.h b/src/mesa/main/compiler.h
index 380663ec97..87c3b2e562 100644
--- a/src/mesa/main/compiler.h
+++ b/src/mesa/main/compiler.h
@@ -234,7 +234,12 @@ extern "C" {
 #elif defined(__APPLE__)
 #include <CoreFoundation/CFByteOrder.h>
 #define CPU_TO_LE32( x )	CFSwapInt32HostToLittle( x )
-#else /*__linux__ __APPLE__*/
+#elif defined(_AIX)
+#define CPU_TO_LE32( x )        x = ((x & 0x000000ff) << 24) | \
+                                    ((x & 0x0000ff00) <<  8) | \
+                                    ((x & 0x00ff0000) >>  8) | \
+                                    ((x & 0xff000000) >> 24);
+#else /*__linux__ */
 #include <sys/endian.h>
 #define CPU_TO_LE32( x )	bswap32( x )
 #endif /*__linux__*/
diff --git a/src/mesa/main/points.c b/src/mesa/main/points.c
index 4c8fc1f72e..b330544890 100644
--- a/src/mesa/main/points.c
+++ b/src/mesa/main/points.c
@@ -200,7 +200,12 @@ _mesa_PointParameterfv( GLenum pname, const GLfloat *params)
          }
          break;
       case GL_POINT_SPRITE_COORD_ORIGIN:
-         if (ctx->Extensions.ARB_point_sprite || ctx->Extensions.NV_point_sprite) {
+	 /* This is not completely correct.  GL_POINT_SPRITE_COORD_ORIGIN was
+	  * added to point sprites when the extension was merged into OpenGL
+	  * 2.0.  It is expected that an implementation supporting OpenGL 1.4
+	  * and GL_ARB_point_sprite will generate an error here.
+	  */
+         if (ctx->Extensions.ARB_point_sprite) {
             GLenum value = (GLenum) params[0];
             if (value != GL_LOWER_LEFT && value != GL_UPPER_LEFT) {
                _mesa_error(ctx, GL_INVALID_VALUE,