Added extra needed files

1 files changed, 338 insertions, 0 deletions

diff --git a/mesalib/src/gallium/auxiliary/util/u_blitter.h b/mesalib/src/gallium/auxiliary/util/u_blitter.h
new file mode 100644
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+++ b/mesalib/src/gallium/auxiliary/util/u_blitter.h
@@ -0,0 +1,338 @@
+/**************************************************************************

+ *

+ * Copyright 2009 Marek Olšák <maraeo@gmail.com>

+ *

+ * 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 U_BLITTER_H

+#define U_BLITTER_H

+

+#include "util/u_framebuffer.h"

+#include "util/u_inlines.h"

+#include "util/u_memory.h"

+

+#include "pipe/p_state.h"

+

+

+#ifdef __cplusplus

+extern "C" {

+#endif

+

+struct pipe_context;

+

+enum blitter_attrib_type {

+   UTIL_BLITTER_ATTRIB_NONE,

+   UTIL_BLITTER_ATTRIB_COLOR,

+   UTIL_BLITTER_ATTRIB_TEXCOORD

+};

+

+struct blitter_context

+{

+   /**

+    * Draw a rectangle.

+    *

+    * \param x1      An X coordinate of the top-left corner.

+    * \param y1      A Y coordinate of the top-left corner.

+    * \param x2      An X coordinate of the bottom-right corner.

+    * \param y2      A Y coordinate of the bottom-right corner.

+    * \param depth   A depth which the rectangle is rendered at.

+    *

+    * \param type   Semantics of the attributes "attrib".

+    *               If type is UTIL_BLITTER_ATTRIB_NONE, ignore them.

+    *               If type is UTIL_BLITTER_ATTRIB_COLOR, the attributes

+    *               make up a constant RGBA color, and should go

+    *               to the GENERIC0 varying slot of a fragment shader.

+    *               If type is UTIL_BLITTER_ATTRIB_TEXCOORD, {a1, a2} and

+    *               {a3, a4} specify top-left and bottom-right texture

+    *               coordinates of the rectangle, respectively, and should go

+    *               to the GENERIC0 varying slot of a fragment shader.

+    *

+    * \param attrib See type.

+    *

+    * \note A driver may optionally override this callback to implement

+    *       a specialized hardware path for drawing a rectangle, e.g. using

+    *       a rectangular point sprite.

+    */

+   void (*draw_rectangle)(struct blitter_context *blitter,

+                          unsigned x1, unsigned y1, unsigned x2, unsigned y2,

+                          float depth,

+                          enum blitter_attrib_type type,

+                          const float attrib[4]);

+

+   /* Whether the blitter is running. */

+   boolean running;

+

+   /* Private members, really. */

+   struct pipe_context *pipe; /**< pipe context */

+

+   void *saved_blend_state;   /**< blend state */

+   void *saved_dsa_state;     /**< depth stencil alpha state */

+   void *saved_velem_state;   /**< vertex elements state */

+   void *saved_rs_state;      /**< rasterizer state */

+   void *saved_fs, *saved_vs; /**< fragment shader, vertex shader */

+

+   struct pipe_framebuffer_state saved_fb_state;  /**< framebuffer state */

+   struct pipe_stencil_ref saved_stencil_ref;     /**< stencil ref */

+   struct pipe_viewport_state saved_viewport;

+   struct pipe_clip_state saved_clip;

+

+   int saved_num_sampler_states;

+   void *saved_sampler_states[PIPE_MAX_SAMPLERS];

+

+   int saved_num_sampler_views;

+   struct pipe_sampler_view *saved_sampler_views[PIPE_MAX_SAMPLERS];

+

+   int saved_num_vertex_buffers;

+   struct pipe_vertex_buffer saved_vertex_buffers[PIPE_MAX_ATTRIBS];

+};

+

+/**

+ * Create a blitter context.

+ */

+struct blitter_context *util_blitter_create(struct pipe_context *pipe);

+

+/**

+ * Destroy a blitter context.

+ */

+void util_blitter_destroy(struct blitter_context *blitter);

+

+/**

+ * Return the pipe context associated with a blitter context.

+ */

+static INLINE

+struct pipe_context *util_blitter_get_pipe(struct blitter_context *blitter)

+{

+   return blitter->pipe;

+}

+

+/*

+ * These CSOs must be saved before any of the following functions is called:

+ * - blend state

+ * - depth stencil alpha state

+ * - rasterizer state

+ * - vertex shader

+ * - fragment shader

+ */

+

+/**

+ * Clear a specified set of currently bound buffers to specified values.

+ */

+void util_blitter_clear(struct blitter_context *blitter,

+                        unsigned width, unsigned height,

+                        unsigned num_cbufs,

+                        unsigned clear_buffers,

+                        const float *rgba,

+                        double depth, unsigned stencil);

+

+void util_blitter_clear_depth_custom(struct blitter_context *blitter,

+                                     unsigned width, unsigned height,

+                                     double depth, void *custom_dsa);

+

+/**

+ * Copy a block of pixels from one surface to another.

+ *

+ * You can copy from any color format to any other color format provided

+ * the former can be sampled and the latter can be rendered to. Otherwise,

+ * a software fallback path is taken and both surfaces must be of the same

+ * format.

+ *

+ * The same holds for depth-stencil formats with the exception that stencil

+ * cannot be copied unless you set ignore_stencil to FALSE. In that case,

+ * a software fallback path is taken and both surfaces must be of the same

+ * format.

+ *

+ * Use pipe_screen->is_format_supported to know your options.

+ *

+ * These states must be saved in the blitter in addition to the state objects

+ * already required to be saved:

+ * - framebuffer state

+ * - fragment sampler states

+ * - fragment sampler textures

+ */

+void util_blitter_copy_region(struct blitter_context *blitter,

+                              struct pipe_resource *dst,

+                              unsigned dstlevel,

+                              unsigned dstx, unsigned dsty, unsigned dstz,

+                              struct pipe_resource *src,

+                              unsigned srclevel,

+                              const struct pipe_box *srcbox,

+                              boolean ignore_stencil);

+

+/**

+ * Clear a region of a (color) surface to a constant value.

+ *

+ * These states must be saved in the blitter in addition to the state objects

+ * already required to be saved:

+ * - framebuffer state

+ */

+void util_blitter_clear_render_target(struct blitter_context *blitter,

+                                      struct pipe_surface *dst,

+                                      const float *rgba,

+                                      unsigned dstx, unsigned dsty,

+                                      unsigned width, unsigned height);

+

+/**

+ * Clear a region of a depth-stencil surface, both stencil and depth

+ * or only one of them if this is a combined depth-stencil surface.

+ *

+ * These states must be saved in the blitter in addition to the state objects

+ * already required to be saved:

+ * - framebuffer state

+ */

+void util_blitter_clear_depth_stencil(struct blitter_context *blitter,

+                                      struct pipe_surface *dst,

+                                      unsigned clear_flags,

+                                      double depth,

+                                      unsigned stencil,

+                                      unsigned dstx, unsigned dsty,

+                                      unsigned width, unsigned height);

+

+void util_blitter_custom_depth_stencil(struct blitter_context *blitter,

+				       struct pipe_surface *zsurf,

+				       struct pipe_surface *cbsurf,

+				       void *dsa_stage, float depth);

+

+/* The functions below should be used to save currently bound constant state

+ * objects inside a driver. The objects are automatically restored at the end

+ * of the util_blitter_{clear, copy_region, fill_region} functions and then

+ * forgotten.

+ *

+ * CSOs not listed here are not affected by util_blitter. */

+

+static INLINE

+void util_blitter_save_blend(struct blitter_context *blitter,

+                             void *state)

+{

+   blitter->saved_blend_state = state;

+}

+

+static INLINE

+void util_blitter_save_depth_stencil_alpha(struct blitter_context *blitter,

+                                           void *state)

+{

+   blitter->saved_dsa_state = state;

+}

+

+static INLINE

+void util_blitter_save_vertex_elements(struct blitter_context *blitter,

+                                       void *state)

+{

+   blitter->saved_velem_state = state;

+}

+

+static INLINE

+void util_blitter_save_stencil_ref(struct blitter_context *blitter,

+                                   const struct pipe_stencil_ref *state)

+{

+   blitter->saved_stencil_ref = *state;

+}

+

+static INLINE

+void util_blitter_save_rasterizer(struct blitter_context *blitter,

+                                  void *state)

+{

+   blitter->saved_rs_state = state;

+}

+

+static INLINE

+void util_blitter_save_fragment_shader(struct blitter_context *blitter,

+                                       void *fs)

+{

+   blitter->saved_fs = fs;

+}

+

+static INLINE

+void util_blitter_save_vertex_shader(struct blitter_context *blitter,

+                                     void *vs)

+{

+   blitter->saved_vs = vs;

+}

+

+static INLINE

+void util_blitter_save_framebuffer(struct blitter_context *blitter,

+                                   const struct pipe_framebuffer_state *state)

+{

+   blitter->saved_fb_state.nr_cbufs = 0; /* It's ~0 now, meaning it's unsaved. */

+   util_copy_framebuffer_state(&blitter->saved_fb_state, state);

+}

+

+static INLINE

+void util_blitter_save_viewport(struct blitter_context *blitter,

+                                struct pipe_viewport_state *state)

+{

+   blitter->saved_viewport = *state;

+}

+

+static INLINE

+void util_blitter_save_clip(struct blitter_context *blitter,

+                            struct pipe_clip_state *state)

+{

+   blitter->saved_clip = *state;

+}

+

+static INLINE

+void util_blitter_save_fragment_sampler_states(

+                  struct blitter_context *blitter,

+                  int num_sampler_states,

+                  void **sampler_states)

+{

+   assert(num_sampler_states <= Elements(blitter->saved_sampler_states));

+

+   blitter->saved_num_sampler_states = num_sampler_states;

+   memcpy(blitter->saved_sampler_states, sampler_states,

+          num_sampler_states * sizeof(void *));

+}

+

+static INLINE void

+util_blitter_save_fragment_sampler_views(struct blitter_context *blitter,

+                                         int num_views,

+                                         struct pipe_sampler_view **views)

+{

+   unsigned i;

+   assert(num_views <= Elements(blitter->saved_sampler_views));

+

+   blitter->saved_num_sampler_views = num_views;

+   for (i = 0; i < num_views; i++)

+      pipe_sampler_view_reference(&blitter->saved_sampler_views[i],

+                                  views[i]);

+}

+

+static INLINE void

+util_blitter_save_vertex_buffers(struct blitter_context *blitter,

+                                         int num_vertex_buffers,

+                                         struct pipe_vertex_buffer *vertex_buffers)

+{

+   assert(num_vertex_buffers <= Elements(blitter->saved_vertex_buffers));

+

+   blitter->saved_num_vertex_buffers = 0;

+   util_copy_vertex_buffers(blitter->saved_vertex_buffers,

+                            (unsigned*)&blitter->saved_num_vertex_buffers,

+                            vertex_buffers,

+                            num_vertex_buffers);

+}

+

+#ifdef __cplusplus

+}

+#endif

+

+#endif