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 int d_depth_bits_last;
78 int ds_depth_bits_last;
79 struct pipe_loader_device *dev;
80 struct pipe_screen *screen;
81 struct xa_context *default_ctx;
82 };
83
84 struct xa_context {
85 struct xa_tracker *xa;
86 struct pipe_context *pipe;
87
88 struct cso_context *cso;
89 struct xa_shaders *shaders;
90
91 struct pipe_resource *vs_const_buffer;
92 struct pipe_resource *fs_const_buffer;
93
94 float buffer[XA_VB_SIZE];
95 unsigned int buffer_size;
96 struct pipe_vertex_element velems[3];
97
98 /* number of attributes per vertex for the current
99 * draw operation */
100 unsigned int attrs_per_vertex;
101
102 unsigned int fb_width;
103 unsigned int fb_height;
104
105 struct pipe_fence_handle *last_fence;
106 struct xa_surface *src;
107 struct xa_surface *dst;
108 struct pipe_surface *srf;
109
110 /* destination scissor state.. we scissor out untouched parts
111 * of the dst for the benefit of tilers:
112 */
113 struct pipe_scissor_state scissor;
114 int scissor_valid;
115
116 int simple_copy;
117
118 int has_solid_color;
119 float solid_color[4];
120
121 unsigned int num_bound_samplers;
122 struct pipe_sampler_view *bound_sampler_views[XA_MAX_SAMPLERS];
123 const struct xa_composite *comp;
124 };
125
126 static inline void
xa_scissor_reset(struct xa_context * ctx)127 xa_scissor_reset(struct xa_context *ctx)
128 {
129 ctx->scissor.maxx = 0;
130 ctx->scissor.maxy = 0;
131 ctx->scissor.minx = ~0;
132 ctx->scissor.miny = ~0;
133 ctx->scissor_valid = FALSE;
134 }
135
136 static inline void
xa_scissor_update(struct xa_context * ctx,unsigned minx,unsigned miny,unsigned maxx,unsigned maxy)137 xa_scissor_update(struct xa_context *ctx, unsigned minx, unsigned miny,
138 unsigned maxx, unsigned maxy)
139 {
140 ctx->scissor.maxx = MAX2(ctx->scissor.maxx, maxx);
141 ctx->scissor.maxy = MAX2(ctx->scissor.maxy, maxy);
142 ctx->scissor.minx = MIN2(ctx->scissor.minx, minx);
143 ctx->scissor.miny = MIN2(ctx->scissor.miny, miny);
144 ctx->scissor_valid = TRUE;
145 }
146
147 enum xa_vs_traits {
148 VS_COMPOSITE = 1 << 0,
149 VS_MASK = 1 << 1,
150 VS_SOLID_FILL = 1 << 2,
151 VS_LINGRAD_FILL = 1 << 3,
152 VS_RADGRAD_FILL = 1 << 4,
153 VS_YUV = 1 << 5,
154
155 VS_FILL = (VS_SOLID_FILL | VS_LINGRAD_FILL | VS_RADGRAD_FILL)
156 };
157
158 enum xa_fs_traits {
159 FS_COMPOSITE = 1 << 0,
160 FS_MASK = 1 << 1,
161 FS_SOLID_FILL = 1 << 2,
162 FS_LINGRAD_FILL = 1 << 3,
163 FS_RADGRAD_FILL = 1 << 4,
164 FS_CA_FULL = 1 << 5, /* src.rgba * mask.rgba */
165 FS_CA_SRCALPHA = 1 << 6, /* src.aaaa * mask.rgba */
166 FS_YUV = 1 << 7,
167 FS_SRC_REPEAT_NONE = 1 << 8,
168 FS_MASK_REPEAT_NONE = 1 << 9,
169 FS_SRC_SWIZZLE_RGB = 1 << 10,
170 FS_MASK_SWIZZLE_RGB = 1 << 11,
171 FS_SRC_SET_ALPHA = 1 << 12,
172 FS_MASK_SET_ALPHA = 1 << 13,
173 FS_SRC_LUMINANCE = 1 << 14,
174 FS_MASK_LUMINANCE = 1 << 15,
175 FS_DST_LUMINANCE = 1 << 16,
176
177 FS_FILL = (FS_SOLID_FILL | FS_LINGRAD_FILL | FS_RADGRAD_FILL),
178 FS_COMPONENT_ALPHA = (FS_CA_FULL | FS_CA_SRCALPHA)
179 };
180
181 struct xa_shader {
182 void *fs;
183 void *vs;
184 };
185
186 struct xa_shaders;
187
188 /*
189 * Inline utilities
190 */
191
192 static inline int
xa_min(int a,int b)193 xa_min(int a, int b)
194 {
195 return ((a <= b) ? a : b);
196 }
197
198 static inline void
xa_pixel_to_float4(uint32_t pixel,float * color)199 xa_pixel_to_float4(uint32_t pixel, float *color)
200 {
201 uint32_t r, g, b, a;
202
203 a = (pixel >> 24) & 0xff;
204 r = (pixel >> 16) & 0xff;
205 g = (pixel >> 8) & 0xff;
206 b = (pixel >> 0) & 0xff;
207 color[0] = ((float)r) / 255.;
208 color[1] = ((float)g) / 255.;
209 color[2] = ((float)b) / 255.;
210 color[3] = ((float)a) / 255.;
211 }
212
213 static inline void
xa_pixel_to_float4_a8(uint32_t pixel,float * color)214 xa_pixel_to_float4_a8(uint32_t pixel, float *color)
215 {
216 uint32_t a;
217
218 a = (pixel >> 24) & 0xff;
219 color[0] = ((float)a) / 255.;
220 color[1] = ((float)a) / 255.;
221 color[2] = ((float)a) / 255.;
222 color[3] = ((float)a) / 255.;
223 }
224
225 /*
226 * xa_tgsi.c
227 */
228
229 extern struct xa_shaders *xa_shaders_create(struct xa_context *);
230
231 void xa_shaders_destroy(struct xa_shaders *shaders);
232
233 struct xa_shader xa_shaders_get(struct xa_shaders *shaders,
234 unsigned vs_traits, unsigned fs_traits);
235
236 /*
237 * xa_context.c
238 */
239 extern void
240 xa_context_flush(struct xa_context *ctx);
241
242 extern int
243 xa_ctx_srf_create(struct xa_context *ctx, struct xa_surface *dst);
244
245 extern void
246 xa_ctx_srf_destroy(struct xa_context *ctx);
247
248 extern void
249 xa_ctx_sampler_views_destroy(struct xa_context *ctx);
250
251 /*
252 * xa_renderer.c
253 */
254 void renderer_set_constants(struct xa_context *r,
255 int shader_type, const float *params,
256 int param_bytes);
257
258 void renderer_draw_yuv(struct xa_context *r,
259 float src_x,
260 float src_y,
261 float src_w,
262 float src_h,
263 int dst_x,
264 int dst_y, int dst_w, int dst_h,
265 struct xa_surface *srf[]);
266
267 void renderer_bind_destination(struct xa_context *r,
268 struct pipe_surface *surface);
269
270 void renderer_init_state(struct xa_context *r);
271 void renderer_copy_prepare(struct xa_context *r,
272 struct pipe_surface *dst_surface,
273 struct pipe_resource *src_texture,
274 const enum xa_formats src_xa_format,
275 const enum xa_formats dst_xa_format);
276
277 void renderer_copy(struct xa_context *r, int dx,
278 int dy,
279 int sx,
280 int sy,
281 int width, int height, float src_width, float src_height);
282
283 void renderer_draw_flush(struct xa_context *r);
284
285 void renderer_begin_solid(struct xa_context *r);
286 void renderer_solid(struct xa_context *r,
287 int x0, int y0, int x1, int y1, float *color);
288 void
289 renderer_begin_textures(struct xa_context *r);
290
291 void
292 renderer_texture(struct xa_context *r,
293 int *pos,
294 int width, int height,
295 const float *src_matrix,
296 const float *mask_matrix);
297
298 #endif
299