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 #include "util/u_math.h"
42
43 #if defined(__GNUC__)
44 #define XA_EXPORT __attribute__ ((visibility("default")))
45 #else
46 #define XA_EXPORT
47 #endif
48
49 #define XA_VB_SIZE (100 * 4 * 3 * 4)
50 #define XA_LAST_SURFACE_TYPE (xa_type_yuv_component + 1)
51 #define XA_MAX_SAMPLERS 3
52
53 struct xa_fence {
54 struct pipe_fence_handle *pipe_fence;
55 struct xa_tracker *xa;
56 };
57
58 struct xa_format_descriptor {
59 enum pipe_format format;
60 enum xa_formats xa_format;
61 };
62
63 struct xa_surface {
64 int refcount;
65 struct pipe_resource template;
66 struct xa_tracker *xa;
67 struct pipe_resource *tex;
68 struct pipe_transfer *transfer;
69 unsigned int flags;
70 struct xa_format_descriptor fdesc;
71 struct pipe_context *mapping_pipe;
72 };
73
74 struct xa_tracker {
75 enum xa_formats *supported_formats;
76 unsigned int format_map[XA_LAST_SURFACE_TYPE][2];
77 struct pipe_loader_device *dev;
78 struct pipe_screen *screen;
79 struct xa_context *default_ctx;
80 };
81
82 struct xa_context {
83 struct xa_tracker *xa;
84 struct pipe_context *pipe;
85
86 struct cso_context *cso;
87 struct xa_shaders *shaders;
88
89 struct pipe_resource *vs_const_buffer;
90 struct pipe_resource *fs_const_buffer;
91
92 float buffer[XA_VB_SIZE];
93 unsigned int buffer_size;
94 struct pipe_vertex_element velems[3];
95
96 /* number of attributes per vertex for the current
97 * draw operation */
98 unsigned int attrs_per_vertex;
99
100 unsigned int fb_width;
101 unsigned int fb_height;
102
103 struct pipe_fence_handle *last_fence;
104 struct xa_surface *src;
105 struct xa_surface *dst;
106 struct pipe_surface *srf;
107
108 /* destination scissor state.. we scissor out untouched parts
109 * of the dst for the benefit of tilers:
110 */
111 struct pipe_scissor_state scissor;
112 int scissor_valid;
113
114 int simple_copy;
115
116 int has_solid_src;
117 int has_solid_mask;
118 float solid_color[4];
119
120 unsigned int num_bound_samplers;
121 struct pipe_sampler_view *bound_sampler_views[XA_MAX_SAMPLERS];
122 const struct xa_composite *comp;
123 };
124
125 static inline void
xa_scissor_reset(struct xa_context * ctx)126 xa_scissor_reset(struct xa_context *ctx)
127 {
128 ctx->scissor.maxx = 0;
129 ctx->scissor.maxy = 0;
130 ctx->scissor.minx = ~0;
131 ctx->scissor.miny = ~0;
132 ctx->scissor_valid = FALSE;
133 }
134
135 static inline void
xa_scissor_update(struct xa_context * ctx,unsigned minx,unsigned miny,unsigned maxx,unsigned maxy)136 xa_scissor_update(struct xa_context *ctx, unsigned minx, unsigned miny,
137 unsigned maxx, unsigned maxy)
138 {
139 ctx->scissor.maxx = MAX2(ctx->scissor.maxx, maxx);
140 ctx->scissor.maxy = MAX2(ctx->scissor.maxy, maxy);
141 ctx->scissor.minx = MIN2(ctx->scissor.minx, minx);
142 ctx->scissor.miny = MIN2(ctx->scissor.miny, miny);
143 ctx->scissor_valid = TRUE;
144 }
145
146 enum xa_vs_traits {
147 VS_COMPOSITE = 1 << 0,
148 VS_MASK = 1 << 1,
149 VS_SRC_SRC = 1 << 2,
150 VS_MASK_SRC = 1 << 3,
151 VS_YUV = 1 << 4,
152 };
153
154 enum xa_fs_traits {
155 FS_COMPOSITE = 1 << 0,
156 FS_MASK = 1 << 1,
157 FS_SRC_SRC = 1 << 2,
158 FS_MASK_SRC = 1 << 3,
159 FS_YUV = 1 << 4,
160 FS_SRC_REPEAT_NONE = 1 << 5,
161 FS_MASK_REPEAT_NONE = 1 << 6,
162 FS_SRC_SWIZZLE_RGB = 1 << 7,
163 FS_MASK_SWIZZLE_RGB = 1 << 8,
164 FS_SRC_SET_ALPHA = 1 << 9,
165 FS_MASK_SET_ALPHA = 1 << 10,
166 FS_SRC_LUMINANCE = 1 << 11,
167 FS_MASK_LUMINANCE = 1 << 12,
168 FS_DST_LUMINANCE = 1 << 13,
169 FS_CA = 1 << 14,
170 };
171
172 struct xa_shader {
173 void *fs;
174 void *vs;
175 };
176
177 struct xa_shaders;
178
179 /*
180 * Inline utilities
181 */
182
183 static inline int
xa_min(int a,int b)184 xa_min(int a, int b)
185 {
186 return ((a <= b) ? a : b);
187 }
188
189 static inline void
xa_pixel_to_float4(uint32_t pixel,float * color)190 xa_pixel_to_float4(uint32_t pixel, float *color)
191 {
192 uint32_t r, g, b, a;
193
194 a = (pixel >> 24) & 0xff;
195 r = (pixel >> 16) & 0xff;
196 g = (pixel >> 8) & 0xff;
197 b = (pixel >> 0) & 0xff;
198 color[0] = ((float)r) / 255.;
199 color[1] = ((float)g) / 255.;
200 color[2] = ((float)b) / 255.;
201 color[3] = ((float)a) / 255.;
202 }
203
204 static inline void
xa_pixel_to_float4_a8(uint32_t pixel,float * color)205 xa_pixel_to_float4_a8(uint32_t pixel, float *color)
206 {
207 uint32_t a;
208
209 a = (pixel >> 24) & 0xff;
210 color[0] = ((float)a) / 255.;
211 color[1] = ((float)a) / 255.;
212 color[2] = ((float)a) / 255.;
213 color[3] = ((float)a) / 255.;
214 }
215
216 /*
217 * xa_tgsi.c
218 */
219
220 extern struct xa_shaders *xa_shaders_create(struct xa_context *);
221
222 void xa_shaders_destroy(struct xa_shaders *shaders);
223
224 struct xa_shader xa_shaders_get(struct xa_shaders *shaders,
225 unsigned vs_traits, unsigned fs_traits);
226
227 /*
228 * xa_context.c
229 */
230 extern void
231 xa_context_flush(struct xa_context *ctx);
232
233 extern int
234 xa_ctx_srf_create(struct xa_context *ctx, struct xa_surface *dst);
235
236 extern void
237 xa_ctx_srf_destroy(struct xa_context *ctx);
238
239 extern void
240 xa_ctx_sampler_views_destroy(struct xa_context *ctx);
241
242 /*
243 * xa_renderer.c
244 */
245 void renderer_set_constants(struct xa_context *r,
246 int shader_type, const float *params,
247 int param_bytes);
248
249 void renderer_draw_yuv(struct xa_context *r,
250 float src_x,
251 float src_y,
252 float src_w,
253 float src_h,
254 int dst_x,
255 int dst_y, int dst_w, int dst_h,
256 struct xa_surface *srf[]);
257
258 void renderer_bind_destination(struct xa_context *r,
259 struct pipe_surface *surface);
260
261 void renderer_init_state(struct xa_context *r);
262 void renderer_copy_prepare(struct xa_context *r,
263 struct pipe_surface *dst_surface,
264 struct pipe_resource *src_texture,
265 const enum xa_formats src_xa_format,
266 const enum xa_formats dst_xa_format);
267
268 void renderer_copy(struct xa_context *r, int dx,
269 int dy,
270 int sx,
271 int sy,
272 int width, int height, float src_width, float src_height);
273
274 void renderer_draw_flush(struct xa_context *r);
275
276 void renderer_begin_solid(struct xa_context *r);
277 void renderer_solid(struct xa_context *r,
278 int x0, int y0, int x1, int y1);
279 void
280 renderer_begin_textures(struct xa_context *r);
281
282 void
283 renderer_texture(struct xa_context *r,
284 int *pos,
285 int width, int height,
286 const float *src_matrix,
287 const float *mask_matrix);
288
289 #endif
290