xa_priv.h revision 4d04367eca66a85e26f7c0f5d6392823d13880f6 
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
51struct xa_fence {
52    struct pipe_fence_handle *pipe_fence;
53    struct xa_tracker *xa;
54};
55
56struct xa_format_descriptor {
57    enum pipe_format format;
58    enum xa_formats xa_format;
59};
60
61struct 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
71struct 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
80struct 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
116enum 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
127enum 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
150struct xa_shader {
151    void *fs;
152    void *vs;
153};
154
155struct xa_shaders;
156
157/*
158 * Inline utilities
159 */
160
161static INLINE int
162xa_min(int a, int b)
163{
164    return ((a <= b) ? a : b);
165}
166
167static INLINE void
168xa_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
182static INLINE void
183xa_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
198extern struct xa_shaders *xa_shaders_create(struct xa_context *);
199
200void xa_shaders_destroy(struct xa_shaders *shaders);
201
202struct xa_shader xa_shaders_get(struct xa_shaders *shaders,
203				unsigned vs_traits, unsigned fs_traits);
204
205/*
206 * xa_context.c
207 */
208extern int
209xa_ctx_srf_create(struct xa_context *ctx, struct xa_surface *dst);
210
211extern void
212xa_ctx_srf_destroy(struct xa_context *ctx);
213
214extern void
215xa_ctx_sampler_views_destroy(struct xa_context *ctx);
216
217/*
218 * xa_renderer.c
219 */
220void renderer_set_constants(struct xa_context *r,
221			    int shader_type, const float *params,
222			    int param_bytes);
223
224void 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
233void renderer_bind_destination(struct xa_context *r,
234			       struct pipe_surface *surface, int width,
235			       int height);
236
237void renderer_init_state(struct xa_context *r);
238void renderer_copy_prepare(struct xa_context *r,
239			   struct pipe_surface *dst_surface,
240			   struct pipe_resource *src_texture);
241void renderer_copy(struct xa_context *r, int dx,
242		   int dy,
243		   int sx,
244		   int sy,
245		   int width, int height, float src_width, float src_height);
246
247void renderer_draw_flush(struct xa_context *r);
248
249void renderer_begin_solid(struct xa_context *r);
250void renderer_solid(struct xa_context *r,
251		    int x0, int y0, int x1, int y1, float *color);
252void
253renderer_begin_textures(struct xa_context *r);
254
255void
256renderer_texture(struct xa_context *r,
257		 int *pos,
258		 int width, int height,
259		 const float *src_matrix,
260		 const float *mask_matrix);
261
262#endif
263