Merge remote branch 'origin/gallium-0.2' into gallium-0.2

12 files changed, 314 insertions, 45 deletions

diff --git a/src/mesa/SConscript b/src/mesa/SConscript
index af8dfcb4930..89b98b37ab0 100644
--- a/src/mesa/SConscript
+++ b/src/mesa/SConscript
@@ -283,6 +283,10 @@ if env['platform'] != 'winddk':
 			'x86-64/glapi_x86-64.S'
 		]
 	elif gcc and env['machine'] == 'ppc':
+		env.Append(CPPDEFINES = [
+			'USE_PPC_ASM', 
+			'USE_VMX_ASM', 
+		])
 		mesa_sources += [
 			'ppc/common_ppc.c',
 		]
diff --git a/src/mesa/drivers/dri/i915/i915_program.c b/src/mesa/drivers/dri/i915/i915_program.c
index 350da5e1697..e87700f8e0a 100644
--- a/src/mesa/drivers/dri/i915/i915_program.c
+++ b/src/mesa/drivers/dri/i915/i915_program.c
@@ -245,6 +245,19 @@ GLuint i915_emit_texld( struct i915_fragment_program *p,
        */
       assert(GET_UREG_TYPE(coord) != REG_TYPE_U);
 
+      if ((GET_UREG_TYPE(coord) != REG_TYPE_R) &&
+          (GET_UREG_TYPE(coord) != REG_TYPE_OC) &&
+          (GET_UREG_TYPE(coord) != REG_TYPE_OD) &&
+          (GET_UREG_TYPE(coord) != REG_TYPE_T)) {
+          GLuint  tmpCoord = get_free_rreg(p, live_regs);
+          
+          if (tmpCoord == UREG_BAD) 
+              return 0;
+
+          i915_emit_arith(p, A0_MOV, tmpCoord, A0_DEST_CHANNEL_ALL, 0, coord, 0, 0);
+          coord = tmpCoord;
+      }
+
       /* Output register being oC or oD defines a phase boundary */
       if (GET_UREG_TYPE(dest) == REG_TYPE_OC ||
 	  GET_UREG_TYPE(dest) == REG_TYPE_OD)
diff --git a/src/mesa/drivers/dri/intel/intel_pixel_draw.c b/src/mesa/drivers/dri/intel/intel_pixel_draw.c
index b60dad74601..50518a68792 100644
--- a/src/mesa/drivers/dri/intel/intel_pixel_draw.c
+++ b/src/mesa/drivers/dri/intel/intel_pixel_draw.c
@@ -40,6 +40,12 @@
 #include "main/varray.h"
 #include "main/attrib.h"
 #include "main/enable.h"
+#include "main/buffers.h"
+#include "main/fbobject.h"
+#include "main/renderbuffer.h"
+#include "main/depth.h"
+#include "main/hash.h"
+#include "main/blend.h"
 #include "glapi/dispatch.h"
 #include "swrast/swrast.h"
 
@@ -51,7 +57,7 @@
 #include "intel_regions.h"
 #include "intel_pixel.h"
 #include "intel_buffer_objects.h"
-
+#include "intel_fbo.h"
 
 static GLboolean
 intel_texture_drawpixels(GLcontext * ctx,
@@ -89,6 +95,15 @@ intel_texture_drawpixels(GLcontext * ctx,
    if (format == GL_STENCIL_INDEX)
       return GL_FALSE;
 
+   /* Check that we can load in a texture this big. */
+   if (width > (1 << (ctx->Const.MaxTextureLevels - 1)) ||
+       height > (1 << (ctx->Const.MaxTextureLevels - 1))) {
+      if (INTEL_DEBUG & DEBUG_FALLBACKS)
+	 fprintf(stderr, "glDrawPixels() fallback: bitmap too large (%dx%d)\n",
+		 width, height);
+      return GL_FALSE;
+   }
+
    /* To do DEPTH_COMPONENT, we would need to change our setup to not draw to
     * the color buffer, and sample the texture values into the fragment depth
     * in a program.
@@ -170,6 +185,182 @@ intel_texture_drawpixels(GLcontext * ctx,
    return GL_TRUE;
 }
 
+static GLboolean
+intel_stencil_drawpixels(GLcontext * ctx,
+			 GLint x, GLint y,
+			 GLsizei width, GLsizei height,
+			 GLenum format,
+			 GLenum type,
+			 const struct gl_pixelstore_attrib *unpack,
+			 const GLvoid *pixels)
+{
+   GLuint texname, rb_name, fb_name, old_fb_name;
+   GLfloat vertices[4][2];
+   GLfloat texcoords[4][2];
+   struct intel_renderbuffer *irb;
+   struct intel_renderbuffer *depth_irb;
+   struct gl_renderbuffer *rb;
+   struct gl_pixelstore_attrib old_unpack;
+   GLstencil *stencil_pixels;
+   int row;
+
+   if (format != GL_STENCIL_INDEX)
+      return GL_FALSE;
+
+   /* If there's nothing to write, we're done. */
+   if (ctx->Stencil.WriteMask[0] == 0)
+      return GL_TRUE;
+
+   /* Can't do a per-bit writemask while treating stencil as rgba data. */
+   if ((ctx->Stencil.WriteMask[0] & 0xff) != 0xff)
+      return GL_FALSE;
+
+   /* We use FBOs for our wrapping of the depthbuffer into a color
+    * destination.
+    */
+   if (!ctx->Extensions.EXT_framebuffer_object)
+      return GL_FALSE;
+
+   /* We're going to mess with texturing with no regard to existing texture
+    * state, so if there is some set up we have to bail.
+    */
+   if (ctx->Texture._EnabledUnits != 0)
+      return GL_FALSE;
+
+   /* Can't do textured DrawPixels with a fragment program, unless we were
+    * to generate a new program that sampled our texture and put the results
+    * in the fragment color before the user's program started.
+    */
+   if (ctx->FragmentProgram.Enabled)
+      return GL_FALSE;
+
+   /* Check that we can load in a texture this big. */
+   if (width > (1 << (ctx->Const.MaxTextureLevels - 1)) ||
+       height > (1 << (ctx->Const.MaxTextureLevels - 1))) {
+      if (INTEL_DEBUG & DEBUG_FALLBACKS)
+	 fprintf(stderr, "glDrawPixels(STENCIL_IDNEX) fallback: "
+		 "bitmap too large (%dx%d)\n",
+		 width, height);
+      return GL_FALSE;
+   }
+
+   _mesa_PushAttrib(GL_ENABLE_BIT | GL_TRANSFORM_BIT | GL_TEXTURE_BIT |
+		    GL_CURRENT_BIT | GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+   _mesa_PushClientAttrib(GL_CLIENT_VERTEX_ARRAY_BIT);
+   old_fb_name = ctx->DrawBuffer->Name;
+
+   _mesa_Disable(GL_POLYGON_STIPPLE);
+   _mesa_Disable(GL_DEPTH_TEST);
+   _mesa_Disable(GL_STENCIL_TEST);
+
+   /* Unpack the supplied stencil values into a ubyte buffer. */
+   assert(sizeof(GLstencil) == sizeof(GLubyte));
+   stencil_pixels = _mesa_malloc(width * height * sizeof(GLstencil));
+   for (row = 0; row < height; row++) {
+      GLvoid *source = _mesa_image_address2d(unpack, pixels,
+					     width, height,
+					     GL_COLOR_INDEX, type,
+					     row, 0);
+      _mesa_unpack_stencil_span(ctx, width, GL_UNSIGNED_BYTE,
+				stencil_pixels +
+				row * width * sizeof(GLstencil),
+				type, source, unpack, ctx->_ImageTransferState);
+   }
+
+   /* Take the current depth/stencil renderbuffer, and make a new one wrapping
+    * it which will be treated as GL_RGBA8 so we can render to it as a color
+    * buffer.
+    */
+   depth_irb = intel_get_renderbuffer(ctx->DrawBuffer, BUFFER_DEPTH);
+   irb = intel_create_renderbuffer(GL_RGBA8);
+   rb = &irb->Base;
+   irb->Base.Width = depth_irb->Base.Width;
+   irb->Base.Height = depth_irb->Base.Height;
+   intel_renderbuffer_set_region(irb, depth_irb->region);
+
+   /* Create a name for our renderbuffer, which lets us use other mesa
+    * rb functions for convenience.
+    */
+   _mesa_GenRenderbuffersEXT(1, &rb_name);
+   irb->Base.RefCount++;
+   _mesa_HashInsert(ctx->Shared->RenderBuffers, rb_name, &irb->Base);
+
+   /* Bind the new renderbuffer to the color attachment point. */
+   _mesa_GenFramebuffersEXT(1, &fb_name);
+   _mesa_BindFramebufferEXT(GL_FRAMEBUFFER_EXT, fb_name);
+   _mesa_FramebufferRenderbufferEXT(GL_FRAMEBUFFER_EXT,
+				    GL_COLOR_ATTACHMENT0_EXT,
+				    GL_RENDERBUFFER_EXT,
+				    rb_name);
+   /* Choose to render to the color attachment. */
+   _mesa_DrawBuffer(GL_COLOR_ATTACHMENT0_EXT);
+
+   _mesa_DepthMask(GL_FALSE);
+   _mesa_ColorMask(GL_FALSE, GL_FALSE, GL_FALSE, GL_TRUE);
+
+   _mesa_ActiveTextureARB(GL_TEXTURE0_ARB);
+   _mesa_Enable(GL_TEXTURE_2D);
+   _mesa_GenTextures(1, &texname);
+   _mesa_BindTexture(GL_TEXTURE_2D, texname);
+   _mesa_TexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+   _mesa_TexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+   _mesa_TexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
+   old_unpack = ctx->Unpack;
+   ctx->Unpack = ctx->DefaultPacking;
+   _mesa_TexImage2D(GL_TEXTURE_2D, 0, GL_INTENSITY, width, height, 0,
+		    GL_RED, GL_UNSIGNED_BYTE, stencil_pixels);
+   ctx->Unpack = old_unpack;
+   _mesa_free(stencil_pixels);
+
+   _mesa_MatrixMode(GL_PROJECTION);
+   _mesa_PushMatrix();
+   _mesa_LoadIdentity();
+   _mesa_Ortho(0, ctx->DrawBuffer->Width, 0, ctx->DrawBuffer->Height, 1, -1);
+
+   _mesa_MatrixMode(GL_MODELVIEW);
+   _mesa_PushMatrix();
+   _mesa_LoadIdentity();
+
+   vertices[0][0] = x;
+   vertices[0][1] = y;
+   vertices[1][0] = x + width * ctx->Pixel.ZoomX;
+   vertices[1][1] = y;
+   vertices[2][0] = x + width * ctx->Pixel.ZoomX;
+   vertices[2][1] = y + height * ctx->Pixel.ZoomY;
+   vertices[3][0] = x;
+   vertices[3][1] = y + height * ctx->Pixel.ZoomY;
+
+   texcoords[0][0] = 0.0;
+   texcoords[0][1] = 0.0;
+   texcoords[1][0] = 1.0;
+   texcoords[1][1] = 0.0;
+   texcoords[2][0] = 1.0;
+   texcoords[2][1] = 1.0;
+   texcoords[3][0] = 0.0;
+   texcoords[3][1] = 1.0;
+
+   _mesa_VertexPointer(2, GL_FLOAT, 2 * sizeof(GLfloat), &vertices);
+   _mesa_TexCoordPointer(2, GL_FLOAT, 2 * sizeof(GLfloat), &texcoords);
+   _mesa_Enable(GL_VERTEX_ARRAY);
+   _mesa_Enable(GL_TEXTURE_COORD_ARRAY);
+   CALL_DrawArrays(ctx->Exec, (GL_TRIANGLE_FAN, 0, 4));
+
+   _mesa_BindFramebufferEXT(GL_FRAMEBUFFER_EXT, old_fb_name);
+
+   _mesa_MatrixMode(GL_PROJECTION);
+   _mesa_PopMatrix();
+   _mesa_MatrixMode(GL_MODELVIEW);
+   _mesa_PopMatrix();
+   _mesa_PopClientAttrib();
+   _mesa_PopAttrib();
+
+   _mesa_DeleteTextures(1, &texname);
+   _mesa_DeleteFramebuffersEXT(1, &fb_name);
+   _mesa_DeleteRenderbuffersEXT(1, &rb_name);
+
+   return GL_TRUE;
+}
+
 void
 intelDrawPixels(GLcontext * ctx,
                 GLint x, GLint y,
@@ -183,6 +374,10 @@ intelDrawPixels(GLcontext * ctx,
 				unpack, pixels))
       return;
 
+   if (intel_stencil_drawpixels(ctx, x, y, width, height, format, type,
+				unpack, pixels))
+      return;
+
    if (INTEL_DEBUG & DEBUG_PIXEL)
       _mesa_printf("%s: fallback to swrast\n", __FUNCTION__);
 
diff --git a/src/mesa/main/context.c b/src/mesa/main/context.c
index c6ff8c13c68..61c0861cbd4 100644
--- a/src/mesa/main/context.c
+++ b/src/mesa/main/context.c
@@ -1063,6 +1063,7 @@ init_attrib_groups(GLcontext *ctx)
    /* Miscellaneous */
    ctx->NewState = _NEW_ALL;
    ctx->ErrorValue = (GLenum) GL_NO_ERROR;
+   ctx->varying_vp_inputs = ~0;
 
    return GL_TRUE;
 }
diff --git a/src/mesa/main/ffvertex_prog.c b/src/mesa/main/ffvertex_prog.c
index 308b4ef7115..da2640dd8fc 100644
--- a/src/mesa/main/ffvertex_prog.c
+++ b/src/mesa/main/ffvertex_prog.c
@@ -47,17 +47,17 @@
 
 
 struct state_key {
+   unsigned light_color_material_mask:12;
+   unsigned light_material_mask:12;
    unsigned light_global_enabled:1;
    unsigned light_local_viewer:1;
    unsigned light_twoside:1;
    unsigned light_color_material:1;
-   unsigned light_color_material_mask:12;
-   unsigned light_material_mask:12;
    unsigned material_shininess_is_zero:1;
-
    unsigned need_eye_coords:1;
    unsigned normalize:1;
    unsigned rescale_normals:1;
+
    unsigned fog_source_is_depth:1;
    unsigned tnl_do_vertex_fog:1;
    unsigned separate_specular:1;
@@ -67,6 +67,8 @@ struct state_key {
    unsigned texture_enabled_global:1;
    unsigned fragprog_inputs_read:12;
 
+   unsigned varying_vp_inputs;
+
    struct {
       unsigned light_enabled:1;
       unsigned light_eyepos3_is_zero:1;
@@ -193,6 +195,7 @@ static void make_state_key( GLcontext *ctx, struct state_key *key )
    key->need_eye_coords = ctx->_NeedEyeCoords;
 
    key->fragprog_inputs_read = fp->Base.InputsRead;
+   key->varying_vp_inputs = ctx->varying_vp_inputs;
 
    if (ctx->RenderMode == GL_FEEDBACK) {
       /* make sure the vertprog emits color and tex0 */
@@ -448,14 +451,46 @@ static void release_temps( struct tnl_program *p )
 }
 
 
+static struct ureg register_param5(struct tnl_program *p, 
+				   GLint s0,
+				   GLint s1,
+				   GLint s2,
+				   GLint s3,
+                                   GLint s4)
+{
+   gl_state_index tokens[STATE_LENGTH];
+   GLint idx;
+   tokens[0] = s0;
+   tokens[1] = s1;
+   tokens[2] = s2;
+   tokens[3] = s3;
+   tokens[4] = s4;
+   idx = _mesa_add_state_reference( p->program->Base.Parameters, tokens );
+   return make_ureg(PROGRAM_STATE_VAR, idx);
+}
+
+
+#define register_param1(p,s0)          register_param5(p,s0,0,0,0,0)
+#define register_param2(p,s0,s1)       register_param5(p,s0,s1,0,0,0)
+#define register_param3(p,s0,s1,s2)    register_param5(p,s0,s1,s2,0,0)
+#define register_param4(p,s0,s1,s2,s3) register_param5(p,s0,s1,s2,s3,0)
+
+
 
 /**
  * \param input  one of VERT_ATTRIB_x tokens.
  */
 static struct ureg register_input( struct tnl_program *p, GLuint input )
 {
-   p->program->Base.InputsRead |= (1<<input);
-   return make_ureg(PROGRAM_INPUT, input);
+   /* Material attribs are passed here as inputs >= 32
+    */
+   if (input >= 32 || (p->state->varying_vp_inputs & (1<<input))) {
+      p->program->Base.InputsRead |= (1<<input);
+      return make_ureg(PROGRAM_INPUT, input);
+   }
+   else {
+      return register_param3( p, STATE_INTERNAL, STATE_CURRENT_ATTRIB, input );
+   }
 }
 
 /**
@@ -504,31 +539,6 @@ static struct ureg get_identity_param( struct tnl_program *p )
    return p->identity;
 }
 
-static struct ureg register_param5(struct tnl_program *p, 
-				   GLint s0,
-				   GLint s1,
-				   GLint s2,
-				   GLint s3,
-                                   GLint s4)
-{
-   gl_state_index tokens[STATE_LENGTH];
-   GLint idx;
-   tokens[0] = s0;
-   tokens[1] = s1;
-   tokens[2] = s2;
-   tokens[3] = s3;
-   tokens[4] = s4;
-   idx = _mesa_add_state_reference( p->program->Base.Parameters, tokens );
-   return make_ureg(PROGRAM_STATE_VAR, idx);
-}
-
-
-#define register_param1(p,s0)          register_param5(p,s0,0,0,0,0)
-#define register_param2(p,s0,s1)       register_param5(p,s0,s1,0,0,0)
-#define register_param3(p,s0,s1,s2)    register_param5(p,s0,s1,s2,0,0)
-#define register_param4(p,s0,s1,s2,s3) register_param5(p,s0,s1,s2,s3,0)
-
-
 static void register_matrix_param5( struct tnl_program *p,
 				    GLint s0, /* modelview, projection, etc */
 				    GLint s1, /* texture matrix number */
diff --git a/src/mesa/main/mtypes.h b/src/mesa/main/mtypes.h
index 052da2c18e1..7ad8cb244d5 100644
--- a/src/mesa/main/mtypes.h
+++ b/src/mesa/main/mtypes.h
@@ -1987,6 +1987,8 @@ struct gl_vertex_program_state
    GLboolean CallbackEnabled;
    GLuint CurrentPosition;
 #endif
+
+   GLboolean _Overriden;
 };
 
 
diff --git a/src/mesa/main/state.c b/src/mesa/main/state.c
index 2f0e7cc368e..5e073a18637 100644
--- a/src/mesa/main/state.c
+++ b/src/mesa/main/state.c
@@ -1,6 +1,6 @@
 /*
  * Mesa 3-D graphics library
- * Version:  7.1
+ * Version:  7.3
  *
  * Copyright (C) 1999-2008  Brian Paul   All Rights Reserved.
  *
@@ -508,10 +508,12 @@ _mesa_update_state_locked( GLcontext *ctx )
 
    if (ctx->FragmentProgram._MaintainTexEnvProgram) {
       prog_flags |= (_NEW_ARRAY | _NEW_TEXTURE_MATRIX | _NEW_LIGHT |
+                     _NEW_RENDERMODE |
                      _NEW_TEXTURE | _NEW_FOG | _DD_NEW_SEPARATE_SPECULAR);
    }
    if (ctx->VertexProgram._MaintainTnlProgram) {
       prog_flags |= (_NEW_ARRAY | _NEW_TEXTURE | _NEW_TEXTURE_MATRIX |
+                     _NEW_RENDERMODE |
                      _NEW_TRANSFORM | _NEW_POINT |
                      _NEW_FOG | _NEW_LIGHT |
                      _MESA_NEW_NEED_EYE_COORDS);
@@ -551,7 +553,8 @@ _mesa_update_state( GLcontext *ctx )
 
 
 
-/* Want to figure out which fragment program inputs are actually
+/**
+ * Want to figure out which fragment program inputs are actually
  * constant/current values from ctx->Current.  These should be
  * referenced as a tracked state variable rather than a fragment
  * program input, to save the overhead of putting a constant value in
@@ -579,6 +582,26 @@ _mesa_set_varying_vp_inputs( GLcontext *ctx,
    if (ctx->varying_vp_inputs != varying_inputs) {
       ctx->varying_vp_inputs = varying_inputs;
       ctx->NewState |= _NEW_ARRAY;
-      //_mesa_printf("%s %x\n", __FUNCTION__, varying_inputs);
+      /*_mesa_printf("%s %x\n", __FUNCTION__, varying_inputs);*/
+   }
+}
+
+
+/**
+ * Used by drivers to tell core Mesa that the driver is going to
+ * install/ use its own vertex program.  In particular, this will
+ * prevent generated fragment programs from using state vars instead
+ * of ordinary varyings/inputs.
+ */
+void
+_mesa_set_vp_override(GLcontext *ctx, GLboolean flag)
+{
+   if (ctx->VertexProgram._Overriden != flag) {
+      ctx->VertexProgram._Overriden = flag;
+
+      /* Set one of the bits which will trigger fragment program
+       * regeneration:
+       */
+      ctx->NewState |= _NEW_ARRAY; 
    }
 }
diff --git a/src/mesa/main/state.h b/src/mesa/main/state.h
index 79f2f6beb0c..29db08a0b95 100644
--- a/src/mesa/main/state.h
+++ b/src/mesa/main/state.h
@@ -1,6 +1,6 @@
 /*
  * Mesa 3-D graphics library
- * Version:  7.1
+ * Version:  7.3
  *
  * Copyright (C) 1999-2008  Brian Paul   All Rights Reserved.
  *
@@ -29,16 +29,21 @@
 #include "mtypes.h"
 
 extern void
-_mesa_update_state( GLcontext *ctx );
+_mesa_update_state(GLcontext *ctx);
 
 /* As above but can only be called between _mesa_lock_context_textures() and 
  * _mesa_unlock_context_textures().
  */
 extern void
-_mesa_update_state_locked( GLcontext *ctx );
+_mesa_update_state_locked(GLcontext *ctx);
+
+
+extern void
+_mesa_set_varying_vp_inputs(GLcontext *ctx, GLbitfield varying_inputs);
+
+
+extern void
+_mesa_set_vp_override(GLcontext *ctx, GLboolean flag);
 
-void
-_mesa_set_varying_vp_inputs( GLcontext *ctx,
-                             GLbitfield varying_inputs );
 
 #endif
diff --git a/src/mesa/main/texenvprogram.c b/src/mesa/main/texenvprogram.c
index c23173014de..2c7df7b8d9a 100644
--- a/src/mesa/main/texenvprogram.c
+++ b/src/mesa/main/texenvprogram.c
@@ -217,8 +217,18 @@ static GLbitfield get_fp_input_mask( GLcontext *ctx )
 {
    GLbitfield fp_inputs = 0x0;
 
-   if (!ctx->VertexProgram._Enabled ||
-       !ctx->VertexProgram._Current) {
+   if (ctx->VertexProgram._Overriden) {
+      /* Somebody's messing with the vertex program and we don't have
+       * a clue what's happening.  Assume that it could be producing
+       * all possible outputs.
+       */
+      fp_inputs = ~0;
+   }
+   else if (ctx->RenderMode == GL_FEEDBACK) {
+      fp_inputs = (FRAG_BIT_COL0 | FRAG_BIT_TEX0);
+   }
+   else if (!ctx->VertexProgram._Enabled ||
+            !ctx->VertexProgram._Current) {
 
       /* Fixed function logic */
       GLbitfield varying_inputs = ctx->varying_vp_inputs;
diff --git a/src/mesa/ppc/common_ppc.c b/src/mesa/ppc/common_ppc.c
index 786e1817acf..c7cec96e5d5 100644
--- a/src/mesa/ppc/common_ppc.c
+++ b/src/mesa/ppc/common_ppc.c
@@ -85,7 +85,7 @@ void _mesa_init_all_ppc_transform_asm( void )
    }
    
 # ifndef USE_VMX_ASM
-   _mesa_ppc_cpu_features &= ~PPC_FEATURES_HAS_ALTIVEC;
+   _mesa_ppc_cpu_features &= ~PPC_FEATURE_HAS_ALTIVEC;
 # endif
 #endif
 }
diff --git a/src/mesa/state_tracker/st_cb_drawpixels.c b/src/mesa/state_tracker/st_cb_drawpixels.c
index 00bbcae32ae..5b24b9f0687 100644
--- a/src/mesa/state_tracker/st_cb_drawpixels.c
+++ b/src/mesa/state_tracker/st_cb_drawpixels.c
@@ -35,6 +35,7 @@
 #include "main/bufferobj.h"
 #include "main/macros.h"
 #include "main/texformat.h"
+#include "main/state.h"
 #include "shader/program.h"
 #include "shader/prog_parameter.h"
 #include "shader/prog_print.h"
@@ -835,6 +836,9 @@ st_DrawPixels(GLcontext *ctx, GLint x, GLint y, GLsizei width, GLsizei height,
       return;
    }
 
+   _mesa_set_vp_override( ctx, TRUE );
+   _mesa_update_state( ctx );
+
    st_validate_state(st);
 
    if (format == GL_DEPTH_COMPONENT) {
@@ -874,6 +878,8 @@ st_DrawPixels(GLcontext *ctx, GLint x, GLint y, GLsizei width, GLsizei height,
       /* blit */
       draw_blit(st, width, height, format, type, pixels);
    }
+
+   _mesa_set_vp_override( ctx, FALSE );
 }
 
 
diff --git a/src/mesa/state_tracker/st_cb_texture.c b/src/mesa/state_tracker/st_cb_texture.c
index acaf1de8823..d08229b57a3 100644
--- a/src/mesa/state_tracker/st_cb_texture.c
+++ b/src/mesa/state_tracker/st_cb_texture.c
@@ -156,7 +156,7 @@ st_FreeTextureImageData(GLcontext * ctx, struct gl_texture_image *texImage)
    }
 
    if (texImage->Data) {
-      free(texImage->Data);
+      _mesa_align_free(texImage->Data);
       texImage->Data = NULL;
    }
 }
@@ -541,7 +541,7 @@ st_TexImage(GLcontext * ctx,
          sizeInBytes = depth * dstRowStride * postConvHeight;
       }
 
-      texImage->Data = malloc(sizeInBytes);
+      texImage->Data = _mesa_align_malloc(sizeInBytes, 16);
    }
 
    if (!texImage->Data) {