src/gallium/state_trackers/xa/xa_priv.h

   1 /**********************************************************
   2  * Copyright 2009-2011 VMware, Inc. All rights reserved.
   3  *
   4  * Permission is hereby granted, free of charge, to any person
   5  * obtaining a copy of this software and associated documentation
   6  * files (the "Software"), to deal in the Software without
   7  * restriction, including without limitation the rights to use, copy,
   8  * modify, merge, publish, distribute, sublicense, and/or sell copies
   9  * of the Software, and to permit persons to whom the Software is
  10  * furnished to do so, subject to the following conditions:
  11  *
  12  * The above copyright notice and this permission notice shall be
  13  * included in all copies or substantial portions of the Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  16  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  17  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  18  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
  19  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
  20  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  21  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  22  * SOFTWARE.
  23  *
  24  *********************************************************
  25  * Authors:
  26  * Zack Rusin <zackr-at-vmware-dot-com>
  27  * Thomas Hellstrom <thellstrom-at-vmware-dot-com>
  28  */
  29
  30 #ifndef _XA_PRIV_H_
  31 #define _XA_PRIV_H_
  32
  33 #include "xa_tracker.h"
  34 #include "xa_context.h"
  35
  36 #include "pipe/p_screen.h"
  37 #include "pipe/p_context.h"
  38 #include "pipe/p_state.h"
  39
  40 #define XA_VB_SIZE (100 * 4 * 3 * 4)
  41 #define XA_LAST_SURFACE_TYPE (xa_type_yuv_component + 1)
  42
  43 struct xa_fence {
  44     struct pipe_fence_handle *pipe_fence;
  45     struct xa_tracker *xa;
  46 };
  47
  48 struct xa_format_descriptor {
  49     enum pipe_format format;
  50     enum xa_formats xa_format;
  51 };
  52
  53 struct xa_surface {
  54     struct pipe_resource template;
  55     struct xa_tracker *xa;
  56     struct pipe_resource *tex;
  57     struct pipe_surface *srf;
  58     struct pipe_sampler_view *view;
  59     unsigned int flags;
  60     struct xa_format_descriptor fdesc;
  61     struct pipe_transfer *transfer;
  62     struct pipe_context *mapping_pipe;
  63 };
  64
  65 struct xa_tracker {
  66     enum xa_formats *supported_formats;
  67     unsigned int format_map[XA_LAST_SURFACE_TYPE][2];
  68     int d_depth_bits_last;
  69     int ds_depth_bits_last;
  70     struct pipe_screen *screen;
  71     struct xa_context *default_ctx;
  72 };
  73
  74 struct xa_context {
  75     struct xa_tracker *xa;
  76     struct pipe_context *pipe;
  77
  78     struct cso_context *cso;
  79     struct xa_shaders *shaders;
  80
  81     struct pipe_resource *vs_const_buffer;
  82     struct pipe_resource *fs_const_buffer;
  83
  84     float buffer[XA_VB_SIZE];
  85     unsigned int buffer_size;
  86     struct pipe_vertex_element velems[3];
  87
  88     /* number of attributes per vertex for the current
  89      * draw operation */
  90     unsigned int attrs_per_vertex;
  91
  92     unsigned int fb_width;
  93     unsigned int fb_height;
  94
  95     struct pipe_fence_handle *last_fence;
  96     struct xa_surface *src;
  97     struct xa_surface *dst;
  98     int simple_copy;
  99 };
 100
 101 enum xa_vs_traits {
 102     VS_COMPOSITE = 1 << 0,
 103     VS_MASK = 1 << 1,
 104     VS_SOLID_FILL = 1 << 2,
 105     VS_LINGRAD_FILL = 1 << 3,
 106     VS_RADGRAD_FILL = 1 << 4,
 107     VS_YUV = 1 << 5,
 108
 109     VS_FILL = (VS_SOLID_FILL | VS_LINGRAD_FILL | VS_RADGRAD_FILL)
 110 };
 111
 112 enum xa_fs_traits {
 113     FS_COMPOSITE = 1 << 0,
 114     FS_MASK = 1 << 1,
 115     FS_SOLID_FILL = 1 << 2,
 116     FS_LINGRAD_FILL = 1 << 3,
 117     FS_RADGRAD_FILL = 1 << 4,
 118     FS_CA_FULL = 1 << 5,        /* src.rgba * mask.rgba */
 119     FS_CA_SRCALPHA = 1 << 6,    /* src.aaaa * mask.rgba */
 120     FS_YUV = 1 << 7,
 121     FS_SRC_REPEAT_NONE = 1 << 8,
 122     FS_MASK_REPEAT_NONE = 1 << 9,
 123     FS_SRC_SWIZZLE_RGB = 1 << 10,
 124     FS_MASK_SWIZZLE_RGB = 1 << 11,
 125     FS_SRC_SET_ALPHA = 1 << 12,
 126     FS_MASK_SET_ALPHA = 1 << 13,
 127     FS_SRC_LUMINANCE = 1 << 14,
 128     FS_MASK_LUMINANCE = 1 << 15,
 129
 130     FS_FILL = (FS_SOLID_FILL | FS_LINGRAD_FILL | FS_RADGRAD_FILL),
 131     FS_COMPONENT_ALPHA = (FS_CA_FULL | FS_CA_SRCALPHA)
 132 };
 133
 134 struct xa_shader {
 135     void *fs;
 136     void *vs;
 137 };
 138
 139 static inline int
 140 xa_min(int a, int b)
 141 {
 142     return ((a <= b) ? a : b);
 143 }
 144
 145 struct xa_shaders;
 146
 147 /*
 148  * xa_tgsi.c
 149  */
 150
 151 extern struct xa_shaders *xa_shaders_create(struct xa_context *);
 152
 153 void xa_shaders_destroy(struct xa_shaders *shaders);
 154
 155 struct xa_shader xa_shaders_get(struct xa_shaders *shaders,
 156                                 unsigned vs_traits, unsigned fs_traits);
 157
 158 /*
 159  * xa_renderer.c
 160  */
 161 void renderer_set_constants(struct xa_context *r,
 162                             int shader_type, const float *params,
 163                             int param_bytes);
 164
 165 void renderer_draw_yuv(struct xa_context *r,
 166                        float src_x,
 167                        float src_y,
 168                        float src_w,
 169                        float src_h,
 170                        int dst_x,
 171                        int dst_y, int dst_w, int dst_h,
 172                        struct xa_surface *srf[]);
 173
 174 void renderer_bind_destination(struct xa_context *r,
 175                                struct pipe_surface *surface, int width,
 176                                int height);
 177
 178 void renderer_init_state(struct xa_context *r);
 179 void renderer_copy_prepare(struct xa_context *r,
 180                            struct pipe_surface *dst_surface,
 181                            struct pipe_resource *src_texture);
 182 void renderer_copy(struct xa_context *r, int dx,
 183                    int dy,
 184                    int sx,
 185                    int sy,
 186                    int width, int height, float src_width, float src_height);
 187
 188 void renderer_draw_flush(struct xa_context *r);
 189
 190 #endif