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 #include "xa_composite.h"
  36
  37 #include "pipe/p_screen.h"
  38 #include "pipe/p_context.h"
  39 #include "pipe/p_state.h"
  40
  41 #define XA_VB_SIZE (100 * 4 * 3 * 4)
  42 #define XA_LAST_SURFACE_TYPE (xa_type_yuv_component + 1)
  43 #define XA_MAX_SAMPLERS 3
  44
  45 struct xa_fence {
  46     struct pipe_fence_handle *pipe_fence;
  47     struct xa_tracker *xa;
  48 };
  49
  50 struct xa_format_descriptor {
  51     enum pipe_format format;
  52     enum xa_formats xa_format;
  53 };
  54
  55 struct xa_surface {
  56     struct pipe_resource template;
  57     struct xa_tracker *xa;
  58     struct pipe_resource *tex;
  59     struct pipe_transfer *transfer;
  60     unsigned int flags;
  61     struct xa_format_descriptor fdesc;
  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     struct pipe_surface *srf;
  99
 100     int simple_copy;
 101
 102     int has_solid_color;
 103     float solid_color[4];
 104
 105     unsigned int num_bound_samplers;
 106     struct pipe_sampler_view *bound_sampler_views[XA_MAX_SAMPLERS];
 107     const struct xa_composite *comp;
 108 };
 109
 110 enum xa_vs_traits {
 111     VS_COMPOSITE = 1 << 0,
 112     VS_MASK = 1 << 1,
 113     VS_SOLID_FILL = 1 << 2,
 114     VS_LINGRAD_FILL = 1 << 3,
 115     VS_RADGRAD_FILL = 1 << 4,
 116     VS_YUV = 1 << 5,
 117
 118     VS_FILL = (VS_SOLID_FILL | VS_LINGRAD_FILL | VS_RADGRAD_FILL)
 119 };
 120
 121 enum xa_fs_traits {
 122     FS_COMPOSITE = 1 << 0,
 123     FS_MASK = 1 << 1,
 124     FS_SOLID_FILL = 1 << 2,
 125     FS_LINGRAD_FILL = 1 << 3,
 126     FS_RADGRAD_FILL = 1 << 4,
 127     FS_CA_FULL = 1 << 5,        /* src.rgba * mask.rgba */
 128     FS_CA_SRCALPHA = 1 << 6,    /* src.aaaa * mask.rgba */
 129     FS_YUV = 1 << 7,
 130     FS_SRC_REPEAT_NONE = 1 << 8,
 131     FS_MASK_REPEAT_NONE = 1 << 9,
 132     FS_SRC_SWIZZLE_RGB = 1 << 10,
 133     FS_MASK_SWIZZLE_RGB = 1 << 11,
 134     FS_SRC_SET_ALPHA = 1 << 12,
 135     FS_MASK_SET_ALPHA = 1 << 13,
 136     FS_SRC_LUMINANCE = 1 << 14,
 137     FS_MASK_LUMINANCE = 1 << 15,
 138     FS_DST_LUMINANCE = 1 << 16,
 139
 140     FS_FILL = (FS_SOLID_FILL | FS_LINGRAD_FILL | FS_RADGRAD_FILL),
 141     FS_COMPONENT_ALPHA = (FS_CA_FULL | FS_CA_SRCALPHA)
 142 };
 143
 144 struct xa_shader {
 145     void *fs;
 146     void *vs;
 147 };
 148
 149 struct xa_shaders;
 150
 151 /*
 152  * Inline utilities
 153  */
 154
 155 static INLINE int
 156 xa_min(int a, int b)
 157 {
 158     return ((a <= b) ? a : b);
 159 }
 160
 161 static INLINE void
 162 xa_pixel_to_float4(uint32_t pixel, float *color)
 163 {
 164     uint32_t        r, g, b, a;
 165
 166     a = (pixel >> 24) & 0xff;
 167     r = (pixel >> 16) & 0xff;
 168     g = (pixel >>  8) & 0xff;
 169     b = (pixel >>  0) & 0xff;
 170     color[0] = ((float)r) / 255.;
 171     color[1] = ((float)g) / 255.;
 172     color[2] = ((float)b) / 255.;
 173     color[3] = ((float)a) / 255.;
 174 }
 175
 176 static INLINE void
 177 xa_pixel_to_float4_a8(uint32_t pixel, float *color)
 178 {
 179     uint32_t a;
 180
 181     a = (pixel >> 24) & 0xff;
 182     color[0] = ((float)a) / 255.;
 183     color[1] = ((float)a) / 255.;
 184     color[2] = ((float)a) / 255.;
 185     color[3] = ((float)a) / 255.;
 186 }
 187
 188 /*
 189  * xa_tgsi.c
 190  */
 191
 192 extern struct xa_shaders *xa_shaders_create(struct xa_context *);
 193
 194 void xa_shaders_destroy(struct xa_shaders *shaders);
 195
 196 struct xa_shader xa_shaders_get(struct xa_shaders *shaders,
 197                                 unsigned vs_traits, unsigned fs_traits);
 198
 199 /*
 200  * xa_context.c
 201  */
 202 extern int
 203 xa_ctx_srf_create(struct xa_context *ctx, struct xa_surface *dst);
 204
 205 extern void
 206 xa_ctx_srf_destroy(struct xa_context *ctx);
 207
 208 extern void
 209 xa_ctx_sampler_views_destroy(struct xa_context *ctx);
 210
 211 /*
 212  * xa_renderer.c
 213  */
 214 void renderer_set_constants(struct xa_context *r,
 215                             int shader_type, const float *params,
 216                             int param_bytes);
 217
 218 void renderer_draw_yuv(struct xa_context *r,
 219                        float src_x,
 220                        float src_y,
 221                        float src_w,
 222                        float src_h,
 223                        int dst_x,
 224                        int dst_y, int dst_w, int dst_h,
 225                        struct xa_surface *srf[]);
 226
 227 void renderer_bind_destination(struct xa_context *r,
 228                                struct pipe_surface *surface, int width,
 229                                int height);
 230
 231 void renderer_init_state(struct xa_context *r);
 232 void renderer_copy_prepare(struct xa_context *r,
 233                            struct pipe_surface *dst_surface,
 234                            struct pipe_resource *src_texture);
 235 void renderer_copy(struct xa_context *r, int dx,
 236                    int dy,
 237                    int sx,
 238                    int sy,
 239                    int width, int height, float src_width, float src_height);
 240
 241 void renderer_draw_flush(struct xa_context *r);
 242
 243 void renderer_begin_solid(struct xa_context *r);
 244 void renderer_solid(struct xa_context *r,
 245                     int x0, int y0, int x1, int y1, float *color);
 246 void
 247 renderer_begin_textures(struct xa_context *r);
 248
 249 void
 250 renderer_texture(struct xa_context *r,
 251                  int *pos,
 252                  int width, int height,
 253                  const float *src_matrix,
 254                  const float *mask_matrix);
 255
 256 #endif