pixman mesa git update 16 Feb 2011

1 files changed, 270 insertions, 265 deletions

diff --git a/mesalib/src/mesa/state_tracker/st_context.h b/mesalib/src/mesa/state_tracker/st_context.h
index 492ee600e..77765f023 100644
--- a/mesalib/src/mesa/state_tracker/st_context.h
+++ b/mesalib/src/mesa/state_tracker/st_context.h
@@ -1,265 +1,270 @@
-/**************************************************************************

- * 

- * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.

- * All Rights Reserved.

- * 

- * Permission is hereby granted, free of charge, to any person obtaining a

- * copy of this software and associated documentation files (the

- * "Software"), to deal in the Software without restriction, including

- * without limitation the rights to use, copy, modify, merge, publish,

- * distribute, sub license, and/or sell copies of the Software, and to

- * permit persons to whom the Software is furnished to do so, subject to

- * the following conditions:

- * 

- * The above copyright notice and this permission notice (including the

- * next paragraph) shall be included in all copies or substantial portions

- * of the Software.

- * 

- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS

- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF

- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.

- * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR

- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,

- * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE

- * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

- * 

- **************************************************************************/

-

-#ifndef ST_CONTEXT_H

-#define ST_CONTEXT_H

-

-#include "main/mtypes.h"

-#include "pipe/p_state.h"

-#include "state_tracker/st_api.h"

-

-struct bitmap_cache;

-struct blit_state;

-struct dd_function_table;

-struct draw_context;

-struct draw_stage;

-struct gen_mipmap_state;

-struct st_context;

-struct st_fragment_program;

-

-

-#define ST_NEW_MESA                    0x1 /* Mesa state has changed */

-#define ST_NEW_FRAGMENT_PROGRAM        0x2

-#define ST_NEW_VERTEX_PROGRAM          0x4

-#define ST_NEW_FRAMEBUFFER             0x8

-#define ST_NEW_EDGEFLAGS_DATA          0x10

-#define ST_NEW_GEOMETRY_PROGRAM        0x20

-

-

-struct st_state_flags {

-   GLuint mesa;

-   GLuint st;

-};

-

-struct st_tracked_state {

-   const char *name;

-   struct st_state_flags dirty;

-   void (*update)( struct st_context *st );

-};

-

-

-

-struct st_context

-{

-   struct st_context_iface iface;

-

-   struct gl_context *ctx;

-

-   struct pipe_context *pipe;

-

-   struct draw_context *draw;  /**< For selection/feedback/rastpos only */

-   struct draw_stage *feedback_stage;  /**< For GL_FEEDBACK rendermode */

-   struct draw_stage *selection_stage;  /**< For GL_SELECT rendermode */

-   struct draw_stage *rastpos_stage;  /**< For glRasterPos */

-

-

-   /* On old libGL's for linux we need to invalidate the drawables

-    * on glViewpport calls, this is set via a option.

-    */

-   boolean invalidate_on_gl_viewport;

-

-   /* Some state is contained in constant objects.

-    * Other state is just parameter values.

-    */

-   struct {

-      struct pipe_blend_state               blend;

-      struct pipe_depth_stencil_alpha_state depth_stencil;

-      struct pipe_rasterizer_state          rasterizer;

-      struct pipe_sampler_state             samplers[PIPE_MAX_SAMPLERS];

-      struct pipe_sampler_state             *sampler_list[PIPE_MAX_SAMPLERS];

-      struct pipe_clip_state clip;

-      struct {

-         void *ptr;

-         unsigned size;

-      } constants[PIPE_SHADER_TYPES];

-      struct pipe_framebuffer_state framebuffer;

-      struct pipe_sampler_view *sampler_views[PIPE_MAX_SAMPLERS];

-      struct pipe_scissor_state scissor;

-      struct pipe_viewport_state viewport;

-      unsigned sample_mask;

-

-      GLuint num_samplers;

-      GLuint num_textures;

-

-      GLuint poly_stipple[32];  /**< In OpenGL's bottom-to-top order */

-   } state;

-

-   char vendor[100];

-   char renderer[100];

-

-   struct st_state_flags dirty;

-

-   GLboolean missing_textures;

-   GLboolean vertdata_edgeflags;

-

-   /** Mapping from VERT_RESULT_x to post-transformed vertex slot */

-   const GLuint *vertex_result_to_slot;

-

-   struct st_vertex_program *vp;    /**< Currently bound vertex program */

-   struct st_fragment_program *fp;  /**< Currently bound fragment program */

-   struct st_geometry_program *gp;  /**< Currently bound geometry program */

-

-   struct st_vp_variant *vp_variant;

-   struct st_fp_variant *fp_variant;

-   struct st_gp_variant *gp_variant;

-

-   struct gl_texture_object *default_texture;

-

-   struct {

-      struct gl_program_cache *cache;

-      struct st_fragment_program *program;  /**< cur pixel transfer prog */

-      GLuint xfer_prog_sn;  /**< pixel xfer program serial no. */

-      GLuint user_prog_sn;  /**< user fragment program serial no. */

-      struct st_fragment_program *combined_prog;

-      GLuint combined_prog_sn;

-      struct pipe_resource *pixelmap_texture;

-      struct pipe_sampler_view *pixelmap_sampler_view;

-      boolean pixelmap_enabled;  /**< use the pixelmap texture? */

-   } pixel_xfer;

-

-   /** for glBitmap */

-   struct {

-      struct pipe_rasterizer_state rasterizer;

-      struct pipe_sampler_state samplers[2];

-      enum pipe_format tex_format;

-      void *vs;

-      float vertices[4][3][4];  /**< vertex pos + color + texcoord */

-      struct pipe_resource *vbuf;

-      unsigned vbuf_slot;       /* next free slot in vbuf */

-      struct bitmap_cache *cache;

-   } bitmap;

-

-   /** for glDraw/CopyPixels */

-   struct {

-      struct gl_fragment_program *shaders[4];

-      void *vert_shaders[2];   /**< ureg shaders */

-   } drawpix;

-

-   /** for glClear */

-   struct {

-      struct pipe_rasterizer_state raster;

-      struct pipe_viewport_state viewport;

-      struct pipe_clip_state clip;

-      void *vs;

-      void *fs;

-      float vertices[4][2][4];  /**< vertex pos + color */

-      struct pipe_resource *vbuf;

-      unsigned vbuf_slot;

-      boolean enable_ds_separate;

-   } clear;

-

-   /** used for anything using util_draw_vertex_buffer */

-   struct pipe_vertex_element velems_util_draw[3];

-

-   void *passthrough_fs;  /**< simple pass-through frag shader */

-

-   enum pipe_texture_target internal_target;

-   struct gen_mipmap_state *gen_mipmap;

-   struct blit_state *blit;

-

-   struct cso_context *cso_context;

-

-   int force_msaa;

-   void *winsys_drawable_handle;

-};

-

-

-/* Need this so that we can implement Mesa callbacks in this module.

- */

-static INLINE struct st_context *st_context(struct gl_context *ctx)

-{

-   return ctx->st;

-}

-

-

-/**

- * Wrapper for struct gl_framebuffer.

- * This is an opaque type to the outside world.

- */

-struct st_framebuffer

-{

-   struct gl_framebuffer Base;

-   void *Private;

-

-   struct st_framebuffer_iface *iface;

-   enum st_attachment_type statts[ST_ATTACHMENT_COUNT];

-   unsigned num_statts;

-   int32_t revalidate;

-};

-

-

-extern void st_init_driver_functions(struct dd_function_table *functions);

-

-void st_invalidate_state(struct gl_context * ctx, GLuint new_state);

-

-

-

-#define Y_0_TOP 1

-#define Y_0_BOTTOM 2

-

-static INLINE GLuint

-st_fb_orientation(const struct gl_framebuffer *fb)

-{

-   if (fb && fb->Name == 0) {

-      /* Drawing into a window (on-screen buffer).

-       *

-       * Negate Y scale to flip image vertically.

-       * The NDC Y coords prior to viewport transformation are in the range

-       * [y=-1=bottom, y=1=top]

-       * Hardware window coords are in the range [y=0=top, y=H-1=bottom] where

-       * H is the window height.

-       * Use the viewport transformation to invert Y.

-       */

-      return Y_0_TOP;

-   }

-   else {

-      /* Drawing into user-created FBO (very likely a texture).

-       *

-       * For textures, T=0=Bottom, so by extension Y=0=Bottom for rendering.

-       */

-      return Y_0_BOTTOM;

-   }

-}

-

-

-/** clear-alloc a struct-sized object, with casting */

-#define ST_CALLOC_STRUCT(T)   (struct T *) calloc(1, sizeof(struct T))

-

-

-extern int

-st_get_msaa(void);

-

-extern struct st_context *

-st_create_context(gl_api api, struct pipe_context *pipe,

-                  const struct gl_config *visual,

-                  struct st_context *share);

-

-extern void

-st_destroy_context(struct st_context *st);

-

-

-#endif

+/**************************************************************************
+ * 
+ * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ * 
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ * 
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ * 
+ **************************************************************************/
+
+#ifndef ST_CONTEXT_H
+#define ST_CONTEXT_H
+
+#include "main/mtypes.h"
+#include "pipe/p_state.h"
+#include "state_tracker/st_api.h"
+
+struct bitmap_cache;
+struct blit_state;
+struct dd_function_table;
+struct draw_context;
+struct draw_stage;
+struct gen_mipmap_state;
+struct st_context;
+struct st_fragment_program;
+
+
+#define ST_NEW_MESA                    0x1 /* Mesa state has changed */
+#define ST_NEW_FRAGMENT_PROGRAM        0x2
+#define ST_NEW_VERTEX_PROGRAM          0x4
+#define ST_NEW_FRAMEBUFFER             0x8
+#define ST_NEW_EDGEFLAGS_DATA          0x10
+#define ST_NEW_GEOMETRY_PROGRAM        0x20
+
+
+struct st_state_flags {
+   GLuint mesa;
+   GLuint st;
+};
+
+struct st_tracked_state {
+   const char *name;
+   struct st_state_flags dirty;
+   void (*update)( struct st_context *st );
+};
+
+
+
+struct st_context
+{
+   struct st_context_iface iface;
+
+   struct gl_context *ctx;
+
+   struct pipe_context *pipe;
+
+   struct draw_context *draw;  /**< For selection/feedback/rastpos only */
+   struct draw_stage *feedback_stage;  /**< For GL_FEEDBACK rendermode */
+   struct draw_stage *selection_stage;  /**< For GL_SELECT rendermode */
+   struct draw_stage *rastpos_stage;  /**< For glRasterPos */
+
+
+   /* On old libGL's for linux we need to invalidate the drawables
+    * on glViewpport calls, this is set via a option.
+    */
+   boolean invalidate_on_gl_viewport;
+
+   /* Some state is contained in constant objects.
+    * Other state is just parameter values.
+    */
+   struct {
+      struct pipe_blend_state               blend;
+      struct pipe_depth_stencil_alpha_state depth_stencil;
+      struct pipe_rasterizer_state          rasterizer;
+      struct pipe_sampler_state             samplers[PIPE_MAX_SAMPLERS];
+      struct pipe_sampler_state             *sampler_list[PIPE_MAX_SAMPLERS];
+      struct pipe_clip_state clip;
+      struct {
+         void *ptr;
+         unsigned size;
+      } constants[PIPE_SHADER_TYPES];
+      struct pipe_framebuffer_state framebuffer;
+      struct pipe_sampler_view *sampler_views[PIPE_MAX_SAMPLERS];
+      struct pipe_scissor_state scissor;
+      struct pipe_viewport_state viewport;
+      unsigned sample_mask;
+
+      GLuint num_samplers;
+      GLuint num_textures;
+
+      GLuint poly_stipple[32];  /**< In OpenGL's bottom-to-top order */
+   } state;
+
+   char vendor[100];
+   char renderer[100];
+
+   struct st_state_flags dirty;
+
+   GLboolean missing_textures;
+   GLboolean vertdata_edgeflags;
+
+   /** Mapping from VERT_RESULT_x to post-transformed vertex slot */
+   const GLuint *vertex_result_to_slot;
+
+   struct st_vertex_program *vp;    /**< Currently bound vertex program */
+   struct st_fragment_program *fp;  /**< Currently bound fragment program */
+   struct st_geometry_program *gp;  /**< Currently bound geometry program */
+
+   struct st_vp_variant *vp_variant;
+   struct st_fp_variant *fp_variant;
+   struct st_gp_variant *gp_variant;
+
+   struct gl_texture_object *default_texture;
+
+   struct {
+      struct gl_program_cache *cache;
+      struct st_fragment_program *program;  /**< cur pixel transfer prog */
+      GLuint xfer_prog_sn;  /**< pixel xfer program serial no. */
+      GLuint user_prog_sn;  /**< user fragment program serial no. */
+      struct st_fragment_program *combined_prog;
+      GLuint combined_prog_sn;
+      struct pipe_resource *pixelmap_texture;
+      struct pipe_sampler_view *pixelmap_sampler_view;
+      boolean pixelmap_enabled;  /**< use the pixelmap texture? */
+   } pixel_xfer;
+
+   /** for glBitmap */
+   struct {
+      struct pipe_rasterizer_state rasterizer;
+      struct pipe_sampler_state samplers[2];
+      enum pipe_format tex_format;
+      void *vs;
+      float vertices[4][3][4];  /**< vertex pos + color + texcoord */
+      struct pipe_resource *vbuf;
+      unsigned vbuf_slot;       /* next free slot in vbuf */
+      struct bitmap_cache *cache;
+   } bitmap;
+
+   /** for glDraw/CopyPixels */
+   struct {
+      struct gl_fragment_program *shaders[4];
+      void *vert_shaders[2];   /**< ureg shaders */
+   } drawpix;
+
+   /** for glClear */
+   struct {
+      struct pipe_rasterizer_state raster;
+      struct pipe_viewport_state viewport;
+      struct pipe_clip_state clip;
+      void *vs;
+      void *fs;
+      float vertices[4][2][4];  /**< vertex pos + color */
+      struct pipe_resource *vbuf;
+      unsigned vbuf_slot;
+      boolean enable_ds_separate;
+   } clear;
+
+   /** used for anything using util_draw_vertex_buffer */
+   struct pipe_vertex_element velems_util_draw[3];
+
+   void *passthrough_fs;  /**< simple pass-through frag shader */
+
+   enum pipe_texture_target internal_target;
+   struct gen_mipmap_state *gen_mipmap;
+   struct blit_state *blit;
+
+   struct cso_context *cso_context;
+
+   int force_msaa;
+   void *winsys_drawable_handle;
+
+   /* User vertex buffers. */
+   struct pipe_resource *user_vb[PIPE_MAX_ATTRIBS];
+   unsigned user_vb_stride[PIPE_MAX_ATTRIBS];
+   unsigned num_user_vbs;
+};
+
+
+/* Need this so that we can implement Mesa callbacks in this module.
+ */
+static INLINE struct st_context *st_context(struct gl_context *ctx)
+{
+   return ctx->st;
+}
+
+
+/**
+ * Wrapper for struct gl_framebuffer.
+ * This is an opaque type to the outside world.
+ */
+struct st_framebuffer
+{
+   struct gl_framebuffer Base;
+   void *Private;
+
+   struct st_framebuffer_iface *iface;
+   enum st_attachment_type statts[ST_ATTACHMENT_COUNT];
+   unsigned num_statts;
+   int32_t revalidate;
+};
+
+
+extern void st_init_driver_functions(struct dd_function_table *functions);
+
+void st_invalidate_state(struct gl_context * ctx, GLuint new_state);
+
+
+
+#define Y_0_TOP 1
+#define Y_0_BOTTOM 2
+
+static INLINE GLuint
+st_fb_orientation(const struct gl_framebuffer *fb)
+{
+   if (fb && fb->Name == 0) {
+      /* Drawing into a window (on-screen buffer).
+       *
+       * Negate Y scale to flip image vertically.
+       * The NDC Y coords prior to viewport transformation are in the range
+       * [y=-1=bottom, y=1=top]
+       * Hardware window coords are in the range [y=0=top, y=H-1=bottom] where
+       * H is the window height.
+       * Use the viewport transformation to invert Y.
+       */
+      return Y_0_TOP;
+   }
+   else {
+      /* Drawing into user-created FBO (very likely a texture).
+       *
+       * For textures, T=0=Bottom, so by extension Y=0=Bottom for rendering.
+       */
+      return Y_0_BOTTOM;
+   }
+}
+
+
+/** clear-alloc a struct-sized object, with casting */
+#define ST_CALLOC_STRUCT(T)   (struct T *) calloc(1, sizeof(struct T))
+
+
+extern int
+st_get_msaa(void);
+
+extern struct st_context *
+st_create_context(gl_api api, struct pipe_context *pipe,
+                  const struct gl_config *visual,
+                  struct st_context *share);
+
+extern void
+st_destroy_context(struct st_context *st);
+
+
+#endif