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 #if defined(__GNUC__) && __GNUC__ >= 4
42 #define XA_EXPORT __attribute__ ((visibility("default")))
43 #else
44 #define XA_EXPORT
45 #endif
46
47 #define XA_VB_SIZE (100 * 4 * 3 * 4)
48 #define XA_LAST_SURFACE_TYPE (xa_type_yuv_component + 1)
49 #define XA_MAX_SAMPLERS 3
50
51 struct xa_fence {
52 struct pipe_fence_handle *pipe_fence;
53 struct xa_tracker *xa;
54 };
55
56 struct xa_format_descriptor {
57 enum pipe_format format;
58 enum xa_formats xa_format;
59 };
60
61 struct xa_surface {
62 struct pipe_resource template;
63 struct xa_tracker *xa;
64 struct pipe_resource *tex;
65 struct pipe_transfer *transfer;
66 unsigned int flags;
67 struct xa_format_descriptor fdesc;
68 struct pipe_context *mapping_pipe;
69 };
70
71 struct xa_tracker {
72 enum xa_formats *supported_formats;
73 unsigned int format_map[XA_LAST_SURFACE_TYPE][2];
74 int d_depth_bits_last;
75 int ds_depth_bits_last;
76 struct pipe_screen *screen;
77 struct xa_context *default_ctx;
78 };
79
80 struct xa_context {
81 struct xa_tracker *xa;
82 struct pipe_context *pipe;
83
84 struct cso_context *cso;
85 struct xa_shaders *shaders;
86
87 struct pipe_resource *vs_const_buffer;
88 struct pipe_resource *fs_const_buffer;
89
90 float buffer[XA_VB_SIZE];
91 unsigned int buffer_size;
92 struct pipe_vertex_element velems[3];
93
94 /* number of attributes per vertex for the current
95 * draw operation */
96 unsigned int attrs_per_vertex;
97
98 unsigned int fb_width;
99 unsigned int fb_height;
100
101 struct pipe_fence_handle *last_fence;
102 struct xa_surface *src;
103 struct xa_surface *dst;
104 struct pipe_surface *srf;
105
106 int simple_copy;
107
108 int has_solid_color;
109 float solid_color[4];
110
111 unsigned int num_bound_samplers;
112 struct pipe_sampler_view *bound_sampler_views[XA_MAX_SAMPLERS];
113 const struct xa_composite *comp;
114 };
115
116 enum xa_vs_traits {
117 VS_COMPOSITE = 1 << 0,
118 VS_MASK = 1 << 1,
119 VS_SOLID_FILL = 1 << 2,
120 VS_LINGRAD_FILL = 1 << 3,
121 VS_RADGRAD_FILL = 1 << 4,
122 VS_YUV = 1 << 5,
123
124 VS_FILL = (VS_SOLID_FILL | VS_LINGRAD_FILL | VS_RADGRAD_FILL)
125 };
126
127 enum xa_fs_traits {
128 FS_COMPOSITE = 1 << 0,
129 FS_MASK = 1 << 1,
130 FS_SOLID_FILL = 1 << 2,
131 FS_LINGRAD_FILL = 1 << 3,
132 FS_RADGRAD_FILL = 1 << 4,
133 FS_CA_FULL = 1 << 5, /* src.rgba * mask.rgba */
134 FS_CA_SRCALPHA = 1 << 6, /* src.aaaa * mask.rgba */
135 FS_YUV = 1 << 7,
136 FS_SRC_REPEAT_NONE = 1 << 8,
137 FS_MASK_REPEAT_NONE = 1 << 9,
138 FS_SRC_SWIZZLE_RGB = 1 << 10,
139 FS_MASK_SWIZZLE_RGB = 1 << 11,
140 FS_SRC_SET_ALPHA = 1 << 12,
141 FS_MASK_SET_ALPHA = 1 << 13,
142 FS_SRC_LUMINANCE = 1 << 14,
143 FS_MASK_LUMINANCE = 1 << 15,
144 FS_DST_LUMINANCE = 1 << 16,
145
146 FS_FILL = (FS_SOLID_FILL | FS_LINGRAD_FILL | FS_RADGRAD_FILL),
147 FS_COMPONENT_ALPHA = (FS_CA_FULL | FS_CA_SRCALPHA)
148 };
149
150 struct xa_shader {
151 void *fs;
152 void *vs;
153 };
154
155 struct xa_shaders;
156
157 /*
158 * Inline utilities
159 */
160
161 static INLINE int
xa_min(int a,int b)162 xa_min(int a, int b)
163 {
164 return ((a <= b) ? a : b);
165 }
166
167 static INLINE void
xa_pixel_to_float4(uint32_t pixel,float * color)168 xa_pixel_to_float4(uint32_t pixel, float *color)
169 {
170 uint32_t r, g, b, a;
171
172 a = (pixel >> 24) & 0xff;
173 r = (pixel >> 16) & 0xff;
174 g = (pixel >> 8) & 0xff;
175 b = (pixel >> 0) & 0xff;
176 color[0] = ((float)r) / 255.;
177 color[1] = ((float)g) / 255.;
178 color[2] = ((float)b) / 255.;
179 color[3] = ((float)a) / 255.;
180 }
181
182 static INLINE void
xa_pixel_to_float4_a8(uint32_t pixel,float * color)183 xa_pixel_to_float4_a8(uint32_t pixel, float *color)
184 {
185 uint32_t a;
186
187 a = (pixel >> 24) & 0xff;
188 color[0] = ((float)a) / 255.;
189 color[1] = ((float)a) / 255.;
190 color[2] = ((float)a) / 255.;
191 color[3] = ((float)a) / 255.;
192 }
193
194 /*
195 * xa_tgsi.c
196 */
197
198 extern struct xa_shaders *xa_shaders_create(struct xa_context *);
199
200 void xa_shaders_destroy(struct xa_shaders *shaders);
201
202 struct xa_shader xa_shaders_get(struct xa_shaders *shaders,
203 unsigned vs_traits, unsigned fs_traits);
204
205 /*
206 * xa_context.c
207 */
208 extern int
209 xa_ctx_srf_create(struct xa_context *ctx, struct xa_surface *dst);
210
211 extern void
212 xa_ctx_srf_destroy(struct xa_context *ctx);
213
214 extern void
215 xa_ctx_sampler_views_destroy(struct xa_context *ctx);
216
217 /*
218 * xa_renderer.c
219 */
220 void renderer_set_constants(struct xa_context *r,
221 int shader_type, const float *params,
222 int param_bytes);
223
224 void renderer_draw_yuv(struct xa_context *r,
225 float src_x,
226 float src_y,
227 float src_w,
228 float src_h,
229 int dst_x,
230 int dst_y, int dst_w, int dst_h,
231 struct xa_surface *srf[]);
232
233 void renderer_bind_destination(struct xa_context *r,
234 struct pipe_surface *surface, int width,
235 int height);
236
237 void renderer_init_state(struct xa_context *r);
238 void renderer_copy_prepare(struct xa_context *r,
239 struct pipe_surface *dst_surface,
240 struct pipe_resource *src_texture,
241 const enum xa_formats src_xa_format,
242 const enum xa_formats dst_xa_format);
243
244 void renderer_copy(struct xa_context *r, int dx,
245 int dy,
246 int sx,
247 int sy,
248 int width, int height, float src_width, float src_height);
249
250 void renderer_draw_flush(struct xa_context *r);
251
252 void renderer_begin_solid(struct xa_context *r);
253 void renderer_solid(struct xa_context *r,
254 int x0, int y0, int x1, int y1, float *color);
255 void
256 renderer_begin_textures(struct xa_context *r);
257
258 void
259 renderer_texture(struct xa_context *r,
260 int *pos,
261 int width, int height,
262 const float *src_matrix,
263 const float *mask_matrix);
264
265 #endif
266