Merge branch 'gallium-0.2' of ssh+git://git.freedesktop.org/git/mesa/mesa into gallium-0.2

7 files changed, 240 insertions, 81 deletions

diff --git a/src/gallium/auxiliary/rtasm/rtasm_ppc_spe.c b/src/gallium/auxiliary/rtasm/rtasm_ppc_spe.c
index 12e0826fb9..f60bfba3f5 100644
--- a/src/gallium/auxiliary/rtasm/rtasm_ppc_spe.c
+++ b/src/gallium/auxiliary/rtasm/rtasm_ppc_spe.c
@@ -592,11 +592,32 @@ spe_load_int(struct spe_function *p, unsigned rT, int i)
    }
 }
 
+void spe_load_uint(struct spe_function *p, unsigned rT, unsigned int ui)
+{
+   /* If the whole value is in the lower 18 bits, use ila, which
+    * doesn't sign-extend.  Otherwise, if the two halfwords of
+    * the constant are identical, use ilh.  Otherwise, we have
+    * to use ilhu followed by iohl.
+    */
+   if ((ui & 0xfffc0000) == ui) {
+      spe_ila(p, rT, ui);
+   }
+   else if ((ui >> 16) == (ui & 0xffff)) {
+      spe_ilh(p, rT, ui & 0xffff);
+   }
+   else {
+      spe_ilhu(p, rT, ui >> 16);
+      if (ui & 0xffff)
+         spe_iohl(p, rT, ui & 0xffff);
+   }
+}
+
 
 void
 spe_splat(struct spe_function *p, unsigned rT, unsigned rA)
 {
-   spe_ila(p, rT, 66051);
+   /* Duplicate bytes 0, 1, 2, and 3 across the whole register */
+   spe_ila(p, rT, 0x00010203);
    spe_shufb(p, rT, rA, rA, rT);
 }
 
diff --git a/src/gallium/auxiliary/rtasm/rtasm_ppc_spe.h b/src/gallium/auxiliary/rtasm/rtasm_ppc_spe.h
index 4ef05ea27d..09400b3fb2 100644
--- a/src/gallium/auxiliary/rtasm/rtasm_ppc_spe.h
+++ b/src/gallium/auxiliary/rtasm/rtasm_ppc_spe.h
@@ -302,6 +302,10 @@ spe_load_float(struct spe_function *p, unsigned rT, float x);
 extern void
 spe_load_int(struct spe_function *p, unsigned rT, int i);
 
+/** Load/splat immediate unsigned int into rT. */
+extern void
+spe_load_uint(struct spe_function *p, unsigned rT, unsigned int ui);
+
 /** Replicate word 0 of rA across rT. */
 extern void
 spe_splat(struct spe_function *p, unsigned rT, unsigned rA);
diff --git a/src/gallium/drivers/cell/ppu/cell_gen_fragment.c b/src/gallium/drivers/cell/ppu/cell_gen_fragment.c
index 9d25e820ad..899d8423b2 100644
--- a/src/gallium/drivers/cell/ppu/cell_gen_fragment.c
+++ b/src/gallium/drivers/cell/ppu/cell_gen_fragment.c
@@ -902,8 +902,69 @@ gen_logicop(const struct pipe_blend_state *blend,
             struct spe_function *f,
             int fragRGBA_reg, int fbRGBA_reg)
 {
-   /* XXX to-do */
-   /* operate on 32-bit packed pixels, not float colors */
+   /* We've got four 32-bit RGBA packed pixels in each of
+    * fragRGBA_reg and fbRGBA_reg, not sets of floating-point
+    * reds, greens, blues, and alphas.
+    * */
+   ASSERT(blend->logicop_enable);
+
+   switch(blend->logicop_func) {
+      case PIPE_LOGICOP_CLEAR: /* 0 */
+         spe_zero(f, fragRGBA_reg);
+         break;
+      case PIPE_LOGICOP_NOR: /* ~(s | d) */
+         spe_nor(f, fragRGBA_reg, fragRGBA_reg, fbRGBA_reg);
+         break;
+      case PIPE_LOGICOP_AND_INVERTED: /* ~s & d */
+         /* andc R, A, B computes R = A & ~B */
+         spe_andc(f, fragRGBA_reg, fbRGBA_reg, fragRGBA_reg);
+         break;
+      case PIPE_LOGICOP_COPY_INVERTED: /* ~s */
+         spe_complement(f, fragRGBA_reg);
+         break;
+      case PIPE_LOGICOP_AND_REVERSE: /* s & ~d */
+         /* andc R, A, B computes R = A & ~B */
+         spe_andc(f, fragRGBA_reg, fragRGBA_reg, fbRGBA_reg);
+         break;
+      case PIPE_LOGICOP_INVERT: /* ~d */
+         /* Note that (A nor A) == ~(A|A) == ~A */
+         spe_nor(f, fragRGBA_reg, fbRGBA_reg, fbRGBA_reg);
+         break;
+      case PIPE_LOGICOP_XOR: /* s ^ d */
+         spe_xor(f, fragRGBA_reg, fragRGBA_reg, fbRGBA_reg);
+         break;
+      case PIPE_LOGICOP_NAND: /* ~(s & d) */
+         spe_nand(f, fragRGBA_reg, fragRGBA_reg, fbRGBA_reg);
+         break;
+      case PIPE_LOGICOP_AND: /* s & d */
+         spe_and(f, fragRGBA_reg, fragRGBA_reg, fbRGBA_reg);
+         break;
+      case PIPE_LOGICOP_EQUIV: /* ~(s ^ d) */
+         spe_xor(f, fragRGBA_reg, fragRGBA_reg, fbRGBA_reg);
+         spe_complement(f, fragRGBA_reg);
+         break;
+      case PIPE_LOGICOP_NOOP: /* d */
+         spe_move(f, fragRGBA_reg, fbRGBA_reg);
+         break;
+      case PIPE_LOGICOP_OR_INVERTED: /* ~s | d */
+         /* orc R, A, B computes R = A | ~B */
+         spe_orc(f, fragRGBA_reg, fbRGBA_reg, fragRGBA_reg);
+         break;
+      case PIPE_LOGICOP_COPY: /* s */
+         break;
+      case PIPE_LOGICOP_OR_REVERSE: /* s | ~d */
+         /* orc R, A, B computes R = A | ~B */
+         spe_orc(f, fragRGBA_reg, fragRGBA_reg, fbRGBA_reg);
+         break;
+      case PIPE_LOGICOP_OR: /* s | d */
+         spe_or(f, fragRGBA_reg, fragRGBA_reg, fbRGBA_reg);
+         break;
+      case PIPE_LOGICOP_SET: /* 1 */
+         spe_load_int(f, fragRGBA_reg, 0xffffffff);
+         break;
+      default:
+         ASSERT(0);
+   }
 }
 
 
@@ -912,11 +973,81 @@ gen_colormask(uint colormask,
               struct spe_function *f,
               int fragRGBA_reg, int fbRGBA_reg)
 {
-   /* XXX to-do */
-   /* operate on 32-bit packed pixels, not float colors */
-}
+   /* We've got four 32-bit RGBA packed pixels in each of
+    * fragRGBA_reg and fbRGBA_reg, not sets of floating-point
+    * reds, greens, blues, and alphas.
+    * */
+
+   /* The color mask operation can prevent any set of color
+    * components in the incoming fragment from being written to the frame 
+    * buffer; we do this by replacing the masked components of the 
+    * fragment with the frame buffer values.
+    *
+    * There are only 16 possibilities, with a unique mask for
+    * each of the possibilities.  (Technically, there are only 15
+    * possibilities, since we shouldn't be called for the one mask
+    * that does nothing, but the complete implementation is here
+    * anyway to avoid confusion.)
+    *
+    * We implement this via a constant static array which we'll index 
+    * into to get the correct mask.
+    * 
+    * We're dependent on the mask values being low-order bits,
+    * with particular values for each bit; so we start with a
+    * few assertions, which will fail if any of the values were
+    * to change.
+    */
+   ASSERT(PIPE_MASK_R == 0x1);
+   ASSERT(PIPE_MASK_G == 0x2);
+   ASSERT(PIPE_MASK_B == 0x4);
+   ASSERT(PIPE_MASK_A == 0x8);
 
+   /* Here's the list of all possible colormasks, indexed by the
+    * value of the combined mask specifier.
+    */
+   static const unsigned int colormasks[16] = {
+      0x00000000, /* 0: all colors masked */
+      0xff000000, /* 1: PIPE_MASK_R */
+      0x00ff0000, /* 2: PIPE_MASK_G */
+      0xffff0000, /* 3: PIPE_MASK_R | PIPE_MASK_G */
+      0x0000ff00, /* 4: PIPE_MASK_B */
+      0xff00ff00, /* 5: PIPE_MASK_R | PIPE_MASK_B */
+      0x00ffff00, /* 6: PIPE_MASK_G | PIPE_MASK_B */
+      0xffffff00, /* 7: PIPE_MASK_R | PIPE_MASK_G | PIPE_MASK_B */
+      0x000000ff, /* 8: PIPE_MASK_A */
+      0xff0000ff, /* 9: PIPE_MASK_R | PIPE_MASK_A */
+      0x00ff00ff, /* 10: PIPE_MASK_G | PIPE_MASK_A */
+      0xffff00ff, /* 11: PIPE_MASK_R | PIPE_MASK_G | PIPE_MASK_A */
+      0x0000ffff, /* 12: PIPE_MASK_B | PIPE_MASK_A */
+      0xff00ffff, /* 13: PIPE_MASK_R | PIPE_MASK_B | PIPE_MASK_A */
+      0x00ffffff, /* 14: PIPE_MASK_G | PIPE_MASK_B | PIPE_MASK_A */
+      0xffffffff  /* 15: PIPE_MASK_R | PIPE_MASK_G | PIPE_MASK_B | PIPE_MASK_A */
+   };
+
+   /* Get a temporary register to hold the mask */
+   int colormask_reg = spe_allocate_available_register(f);
+
+   /* Look up the desired mask directly and load it into the mask register.
+    * This will load the same mask into each of the four words in the
+    * mask register.
+    */
+   spe_load_uint(f, colormask_reg, colormasks[colormask]);
+
+   /* Use the mask register to select between the fragment color
+    * values and the frame buffer color values.  Wherever the
+    * mask has a 0 bit, the current frame buffer color should override
+    * the fragment color.  Wherever the mask has a 1 bit, the 
+    * fragment color should persevere.  The Select Bits (selb rt, rA, rB, rM)
+    * instruction will select bits from its first operand rA wherever the
+    * the mask bits rM are 0, and from its second operand rB wherever the
+    * mask bits rM are 1.  That means that the frame buffer color is the
+    * first operand, and the fragment color the second.
+    */
+    spe_selb(f, fragRGBA_reg, fbRGBA_reg, fragRGBA_reg, colormask_reg);
 
+    /* Release the temporary register and we're done */
+    spe_release_register(f, colormask_reg);
+}
 
 /**
  * Generate code to pack a quad of float colors into a four 32-bit integers.
@@ -1223,7 +1354,7 @@ cell_gen_fragment_function(struct cell_context *cell, struct spe_function *f)
          gen_logicop(blend, f, rgba_reg, fbRGBA_reg);
       }
 
-      if (blend->colormask != 0xf) {
+      if (blend->colormask != PIPE_MASK_RGBA) {
          gen_colormask(blend->colormask, f, rgba_reg, fbRGBA_reg);
       }
 
diff --git a/src/gallium/winsys/drm/intel/dri/intel_screen.c b/src/gallium/winsys/drm/intel/dri/intel_screen.c
index 3465f8a4d9..78b9a6db05 100644
--- a/src/gallium/winsys/drm/intel/dri/intel_screen.c
+++ b/src/gallium/winsys/drm/intel/dri/intel_screen.c
@@ -365,12 +365,10 @@ intel_flush_frontbuffer( struct pipe_winsys *winsys,
                          struct pipe_surface *surf,
                          void *context_private)
 {
-   //struct intel_context *intel = (struct intel_context *) context_private;
-   //__DRIdrawablePrivate *dPriv = intel->driDrawable;
+   struct intel_context *intel = (struct intel_context *) context_private;
+   __DRIdrawablePrivate *dPriv = intel->driDrawable;
 
-   //assert((int)"Doesn't work currently" & 0);
-
-   //intelDisplaySurface(dPriv, surf, NULL);
+   intelDisplaySurface(dPriv, surf, NULL);
 }
 
 static boolean
@@ -565,7 +563,7 @@ intelFillInModes(__DRIscreenPrivate *psp,
    configs = driCreateConfigs(fb_format, fb_type,
 			      depth_bits_array, stencil_bits_array,
 			      depth_buffer_factor, back_buffer_modes,
-			      back_buffer_factor);
+			      back_buffer_factor, msaa_samples_array, 1);
    if (configs == NULL) {
     fprintf(stderr, "[%s:%u] Error creating FBConfig!\n", __func__,
               __LINE__);
@@ -619,6 +617,7 @@ static const __DRIconfig **intelInitScreen(__DRIscreenPrivate *psp)
     *
     * Hello chicken.  Hello egg.  How are you two today?
     */
+   driInitExtensions( NULL, card_extensions, GL_FALSE );
    //intelInitExtensions(NULL, GL_TRUE);
 	   
    if (!intelInitDriver(psp))
diff --git a/src/mesa/drivers/dri/common/utils.c b/src/mesa/drivers/dri/common/utils.c
index 431c26a19d..f2e0f03641 100644
--- a/src/mesa/drivers/dri/common/utils.c
+++ b/src/mesa/drivers/dri/common/utils.c
@@ -524,15 +524,12 @@ GLboolean driClipRectToFramebuffer( const GLframebuffer *buffer,
  * \c GL_UNSIGNED_3BYTE_8_8_8, \c GL_4FLOAT_32_32_32_32, 
  * \c GL_4HALF_16_16_16_16, etc.  We can cross that bridge when we come to it.
  */
-
-/* XXX: need to re-add msaa support after gallium-0.1 merge
- */
-
 __DRIconfig **
 driCreateConfigs(GLenum fb_format, GLenum fb_type,
 		 const u_int8_t * depth_bits, const u_int8_t * stencil_bits,
 		 unsigned num_depth_stencil_bits,
-		 const GLenum * db_modes, unsigned num_db_modes)
+		 const GLenum * db_modes, unsigned num_db_modes,
+	 	 const u_int8_t * msaa_samples, unsigned num_msaa_modes)
 {
    static const u_int8_t bits_table[4][4] = {
      /* R  G  B  A */
@@ -592,9 +589,7 @@ driCreateConfigs(GLenum fb_format, GLenum fb_type,
    int index;
    __DRIconfig **configs, **c;
    __GLcontextModes *modes;
-   unsigned i;
-   unsigned j;
-   unsigned k;
+   unsigned i, j, k, h;
    unsigned num_modes;
    unsigned num_accum_bits = 2;
 
@@ -667,7 +662,7 @@ driCreateConfigs(GLenum fb_format, GLenum fb_type,
 	 break;
    }
 
-   num_modes = num_depth_stencil_bits * num_db_modes * num_accum_bits;
+   num_modes = num_depth_stencil_bits * num_db_modes * num_accum_bits * num_msaa_modes;
    configs = _mesa_calloc((num_modes + 1) * sizeof *configs);
    if (configs == NULL)
        return NULL;
@@ -675,66 +670,72 @@ driCreateConfigs(GLenum fb_format, GLenum fb_type,
     c = configs;
     for ( k = 0 ; k < num_depth_stencil_bits ; k++ ) {
 	for ( i = 0 ; i < num_db_modes ; i++ ) {
-	    for ( j = 0 ; j < num_accum_bits ; j++ ) {
-		*c = _mesa_malloc (sizeof **c);
-		modes = &(*c)->modes;
-		c++;
-
-		memset(modes, 0, sizeof *modes);
-		modes->redBits   = bits[0];
-		modes->greenBits = bits[1];
-		modes->blueBits  = bits[2];
-		modes->alphaBits = bits[3];
-		modes->redMask   = masks[0];
-		modes->greenMask = masks[1];
-		modes->blueMask  = masks[2];
-		modes->alphaMask = masks[3];
-		modes->rgbBits   = modes->redBits + modes->greenBits
-		    + modes->blueBits + modes->alphaBits;
-
-		modes->accumRedBits   = 16 * j;
-		modes->accumGreenBits = 16 * j;
-		modes->accumBlueBits  = 16 * j;
-		modes->accumAlphaBits = (masks[3] != 0) ? 16 * j : 0;
-		modes->visualRating = (j == 0) ? GLX_NONE : GLX_SLOW_CONFIG;
-
-		modes->stencilBits = stencil_bits[k];
-		modes->depthBits = depth_bits[k];
-
-		modes->transparentPixel = GLX_NONE;
-		modes->transparentRed = GLX_DONT_CARE;
-		modes->transparentGreen = GLX_DONT_CARE;
-		modes->transparentBlue = GLX_DONT_CARE;
-		modes->transparentAlpha = GLX_DONT_CARE;
-		modes->transparentIndex = GLX_DONT_CARE;
-		modes->visualType = GLX_DONT_CARE;
-		modes->renderType = GLX_RGBA_BIT;
-		modes->drawableType = GLX_WINDOW_BIT;
-		modes->rgbMode = GL_TRUE;
-
-		if ( db_modes[i] == GLX_NONE ) {
-		    modes->doubleBufferMode = GL_FALSE;
-		}
-		else {
-		    modes->doubleBufferMode = GL_TRUE;
-		    modes->swapMethod = db_modes[i];
-		}
-
-		modes->haveAccumBuffer = ((modes->accumRedBits +
+	    for ( h = 0 ; h < num_msaa_modes; h++ ) {
+	    	for ( j = 0 ; j < num_accum_bits ; j++ ) {
+		    *c = _mesa_malloc (sizeof **c);
+		    modes = &(*c)->modes;
+		    c++;
+
+		    memset(modes, 0, sizeof *modes);
+		    modes->redBits   = bits[0];
+		    modes->greenBits = bits[1];
+		    modes->blueBits  = bits[2];
+		    modes->alphaBits = bits[3];
+		    modes->redMask   = masks[0];
+		    modes->greenMask = masks[1];
+		    modes->blueMask  = masks[2];
+		    modes->alphaMask = masks[3];
+		    modes->rgbBits   = modes->redBits + modes->greenBits
+		    	+ modes->blueBits + modes->alphaBits;
+
+		    modes->accumRedBits   = 16 * j;
+		    modes->accumGreenBits = 16 * j;
+		    modes->accumBlueBits  = 16 * j;
+		    modes->accumAlphaBits = (masks[3] != 0) ? 16 * j : 0;
+		    modes->visualRating = (j == 0) ? GLX_NONE : GLX_SLOW_CONFIG;
+
+		    modes->stencilBits = stencil_bits[k];
+		    modes->depthBits = depth_bits[k];
+
+		    modes->transparentPixel = GLX_NONE;
+		    modes->transparentRed = GLX_DONT_CARE;
+		    modes->transparentGreen = GLX_DONT_CARE;
+		    modes->transparentBlue = GLX_DONT_CARE;
+		    modes->transparentAlpha = GLX_DONT_CARE;
+		    modes->transparentIndex = GLX_DONT_CARE;
+		    modes->visualType = GLX_DONT_CARE;
+		    modes->renderType = GLX_RGBA_BIT;
+		    modes->drawableType = GLX_WINDOW_BIT;
+		    modes->rgbMode = GL_TRUE;
+
+		    if ( db_modes[i] == GLX_NONE ) {
+		    	modes->doubleBufferMode = GL_FALSE;
+		    }
+		    else {
+		    	modes->doubleBufferMode = GL_TRUE;
+		    	modes->swapMethod = db_modes[i];
+		    }
+
+		    modes->samples = msaa_samples[h];
+		    modes->sampleBuffers = modes->samples ? 1 : 0;
+
+
+		    modes->haveAccumBuffer = ((modes->accumRedBits +
 					   modes->accumGreenBits +
 					   modes->accumBlueBits +
 					   modes->accumAlphaBits) > 0);
-		modes->haveDepthBuffer = (modes->depthBits > 0);
-		modes->haveStencilBuffer = (modes->stencilBits > 0);
-
-		modes->bindToTextureRgb = GL_TRUE;
-		modes->bindToTextureRgba = GL_TRUE;
-		modes->bindToMipmapTexture = GL_FALSE;
-		modes->bindToTextureTargets = modes->rgbMode ?
-		    __DRI_ATTRIB_TEXTURE_1D_BIT |
-		    __DRI_ATTRIB_TEXTURE_2D_BIT |
-		    __DRI_ATTRIB_TEXTURE_RECTANGLE_BIT :
-		    0;
+		    modes->haveDepthBuffer = (modes->depthBits > 0);
+		    modes->haveStencilBuffer = (modes->stencilBits > 0);
+
+		    modes->bindToTextureRgb = GL_TRUE;
+		    modes->bindToTextureRgba = GL_TRUE;
+		    modes->bindToMipmapTexture = GL_FALSE;
+		    modes->bindToTextureTargets = modes->rgbMode ?
+		    	__DRI_ATTRIB_TEXTURE_1D_BIT |
+		    	__DRI_ATTRIB_TEXTURE_2D_BIT |
+		    	__DRI_ATTRIB_TEXTURE_RECTANGLE_BIT :
+		    	0;
+		}
 	    }
 	}
     }
diff --git a/src/mesa/drivers/dri/common/utils.h b/src/mesa/drivers/dri/common/utils.h
index 9ac3b51447..32a420060d 100644
--- a/src/mesa/drivers/dri/common/utils.h
+++ b/src/mesa/drivers/dri/common/utils.h
@@ -129,9 +129,10 @@ struct __DRIconfigRec {
 
 extern __DRIconfig **
 driCreateConfigs(GLenum fb_format, GLenum fb_type,
-		 const u_int8_t * depth_bits, const u_int8_t * stencil_bits,
+		 const uint8_t * depth_bits, const uint8_t * stencil_bits,
 		 unsigned num_depth_stencil_bits,
-		 const GLenum * db_modes, unsigned num_db_modes);
+		 const GLenum * db_modes, unsigned num_db_modes,
+    		 const uint8_t * msaa_samples, unsigned num_msaa_modes);
 
 const __DRIconfig **driConcatConfigs(__DRIconfig **a, __DRIconfig **b);
 
diff --git a/src/mesa/main/context.c b/src/mesa/main/context.c
index 96a8c30106..564139a865 100644
--- a/src/mesa/main/context.c
+++ b/src/mesa/main/context.c
@@ -1316,7 +1316,9 @@ _mesa_free_context_data( GLcontext *ctx )
    _mesa_reference_fragprog(ctx, &ctx->FragmentProgram._Current, NULL);
    _mesa_reference_fragprog(ctx, &ctx->FragmentProgram._TexEnvProgram, NULL);
 
+#if FEATURE_attrib_stack
    _mesa_free_attrib_data(ctx);
+#endif
    _mesa_free_lighting_data( ctx );
 #if FEATURE_evaluators
    _mesa_free_eval_data( ctx );