shader-leak.c revision 01e04c3f 
1/**
2 * Create shaders in a loop to test memory usage.
3 */
4
5#include <stdio.h>
6#include "state_tracker/graw.h"
7#include "pipe/p_screen.h"
8#include "pipe/p_context.h"
9#include "pipe/p_state.h"
10#include "pipe/p_defines.h"
11
12#include "util/u_memory.h"      /* Offset() */
13#include "util/u_draw_quad.h"
14#include "util/u_inlines.h"
15
16
17static int num_iters = 100;
18
19
20enum pipe_format formats[] = {
21   PIPE_FORMAT_RGBA8888_UNORM,
22   PIPE_FORMAT_BGRA8888_UNORM,
23   PIPE_FORMAT_NONE
24};
25
26static const int WIDTH = 300;
27static const int HEIGHT = 300;
28
29static struct pipe_screen *screen = NULL;
30static struct pipe_context *ctx = NULL;
31static struct pipe_surface *surf = NULL;
32static struct pipe_resource *tex = NULL;
33static void *window = NULL;
34
35struct vertex {
36   float position[4];
37   float color[4];
38};
39
40static struct vertex vertices[1] =
41{
42   {
43      { 0.0f, -0.9f, 0.0f, 1.0f },
44      { 1.0f, 0.0f, 0.0f, 1.0f }
45   }
46};
47
48
49
50
51static void set_viewport( float x, float y,
52                          float width, float height,
53                          float zNear, float zFar)
54{
55   float z = zFar;
56   float half_width = (float)width / 2.0f;
57   float half_height = (float)height / 2.0f;
58   float half_depth = ((float)zFar - (float)zNear) / 2.0f;
59   struct pipe_viewport_state vp;
60
61   vp.scale[0] = half_width;
62   vp.scale[1] = half_height;
63   vp.scale[2] = half_depth;
64
65   vp.translate[0] = half_width + x;
66   vp.translate[1] = half_height + y;
67   vp.translate[2] = half_depth + z;
68
69   ctx->set_viewport_states( ctx, 0, 1, &vp );
70}
71
72static void set_vertices( void )
73{
74   struct pipe_vertex_element ve[2];
75   struct pipe_vertex_buffer vbuf;
76   void *handle;
77
78   memset(ve, 0, sizeof ve);
79
80   ve[0].src_offset = Offset(struct vertex, position);
81   ve[0].src_format = PIPE_FORMAT_R32G32B32A32_FLOAT;
82   ve[1].src_offset = Offset(struct vertex, color);
83   ve[1].src_format = PIPE_FORMAT_R32G32B32A32_FLOAT;
84
85   handle = ctx->create_vertex_elements_state(ctx, 2, ve);
86   ctx->bind_vertex_elements_state(ctx, handle);
87
88   memset(&vbuf, 0, sizeof vbuf);
89
90   vbuf.stride = sizeof(struct vertex);
91   vbuf.buffer_offset = 0;
92   vbuf.buffer.resource = pipe_buffer_create_with_data(ctx,
93                                              PIPE_BIND_VERTEX_BUFFER,
94                                              PIPE_USAGE_DEFAULT,
95                                              sizeof(vertices),
96                                              vertices);
97
98   ctx->set_vertex_buffers(ctx, 0, 1, &vbuf);
99}
100
101static void set_vertex_shader( void )
102{
103   void *handle;
104   const char *text =
105      "VERT\n"
106      "DCL IN[0]\n"
107      "DCL IN[1]\n"
108      "DCL OUT[0], POSITION\n"
109      "DCL OUT[1], COLOR\n"
110      "  0: MOV OUT[1], IN[1]\n"
111      "  1: MOV OUT[0], IN[0]\n"
112      "  2: END\n";
113
114   handle = graw_parse_vertex_shader(ctx, text);
115   ctx->bind_vs_state(ctx, handle);
116}
117
118
119
120static void *
121set_fragment_shader( void )
122{
123   void *handle;
124   const char *text =
125      "FRAG\n"
126      "DCL IN[0], COLOR, LINEAR\n"
127      "DCL OUT[0], COLOR\n"
128      "DCL TEMP[0..1]\n"
129      "  0: MUL TEMP[0], IN[0], IN[0]\n"
130      "  1: ADD TEMP[1], IN[0], IN[0]\n"
131      "  2: SUB OUT[0], TEMP[0], TEMP[1]\n"
132      "  3: END\n";
133
134   handle = graw_parse_fragment_shader(ctx, text);
135   return handle;
136}
137
138
139static void draw( void )
140{
141   union pipe_color_union clear_color = { {0,0,0,1} };
142   int i;
143
144   printf("Creating %d shaders\n", num_iters);
145
146   for (i = 0; i < num_iters; i++) {
147      void *fs = set_fragment_shader();
148
149      ctx->bind_fs_state(ctx, fs);
150
151      ctx->clear(ctx, PIPE_CLEAR_COLOR, &clear_color, 0, 0);
152      util_draw_arrays(ctx, PIPE_PRIM_POINTS, 0, 1);
153      ctx->flush(ctx, NULL, 0);
154
155      ctx->bind_fs_state(ctx, NULL);
156      ctx->delete_fs_state(ctx, fs);
157   }
158
159   screen->flush_frontbuffer(screen, tex, 0, 0, window, NULL);
160   ctx->destroy(ctx);
161
162   exit(0);
163}
164
165
166static void init( void )
167{
168   struct pipe_framebuffer_state fb;
169   struct pipe_resource templat;
170   struct pipe_surface surf_tmpl;
171   int i;
172
173   /* It's hard to say whether window or screen should be created
174    * first.  Different environments would prefer one or the other.
175    *
176    * Also, no easy way of querying supported formats if the screen
177    * cannot be created first.
178    */
179   for (i = 0; formats[i] != PIPE_FORMAT_NONE; i++) {
180      screen = graw_create_window_and_screen(0, 0, 300, 300,
181                                             formats[i],
182                                             &window);
183      if (window && screen)
184         break;
185   }
186   if (!screen || !window) {
187      fprintf(stderr, "Unable to create window\n");
188      exit(1);
189   }
190
191   ctx = screen->context_create(screen, NULL, 0);
192   if (ctx == NULL)
193      exit(3);
194
195   memset(&templat, 0, sizeof(templat));
196   templat.target = PIPE_TEXTURE_2D;
197   templat.format = formats[i];
198   templat.width0 = WIDTH;
199   templat.height0 = HEIGHT;
200   templat.depth0 = 1;
201   templat.last_level = 0;
202   templat.bind = (PIPE_BIND_RENDER_TARGET |
203                   PIPE_BIND_DISPLAY_TARGET);
204
205   tex = screen->resource_create(screen, &templat);
206   if (tex == NULL) {
207      fprintf(stderr, "Unable to create screen texture!\n");
208      exit(4);
209   }
210
211   surf_tmpl.format = templat.format;
212   surf_tmpl.u.tex.level = 0;
213   surf_tmpl.u.tex.first_layer = 0;
214   surf_tmpl.u.tex.last_layer = 0;
215   surf = ctx->create_surface(ctx, tex, &surf_tmpl);
216   if (surf == NULL) {
217      fprintf(stderr, "Unable to create tex surface!\n");
218      exit(5);
219   }
220
221   memset(&fb, 0, sizeof fb);
222   fb.nr_cbufs = 1;
223   fb.width = WIDTH;
224   fb.height = HEIGHT;
225   fb.cbufs[0] = surf;
226
227   ctx->set_framebuffer_state(ctx, &fb);
228
229   {
230      struct pipe_blend_state blend;
231      void *handle;
232      memset(&blend, 0, sizeof blend);
233      blend.rt[0].colormask = PIPE_MASK_RGBA;
234      handle = ctx->create_blend_state(ctx, &blend);
235      ctx->bind_blend_state(ctx, handle);
236   }
237
238   {
239      struct pipe_depth_stencil_alpha_state depthstencil;
240      void *handle;
241      memset(&depthstencil, 0, sizeof depthstencil);
242      handle = ctx->create_depth_stencil_alpha_state(ctx, &depthstencil);
243      ctx->bind_depth_stencil_alpha_state(ctx, handle);
244   }
245
246   {
247      struct pipe_rasterizer_state rasterizer;
248      void *handle;
249      memset(&rasterizer, 0, sizeof rasterizer);
250      rasterizer.cull_face = PIPE_FACE_NONE;
251      rasterizer.half_pixel_center = 1;
252      rasterizer.bottom_edge_rule = 1;
253      rasterizer.depth_clip_near = 1;
254      rasterizer.depth_clip_far = 1;
255      handle = ctx->create_rasterizer_state(ctx, &rasterizer);
256      ctx->bind_rasterizer_state(ctx, handle);
257   }
258
259   set_viewport(0, 0, WIDTH, HEIGHT, 30, 1000);
260   set_vertices();
261   set_vertex_shader();
262   if (0)
263      set_fragment_shader();
264}
265
266
267int main( int argc, char *argv[] )
268{
269   if (argc > 1)
270      num_iters = atoi(argv[1]);
271
272   init();
273
274   graw_set_display_func( draw );
275   graw_main_loop();
276   return 0;
277}
278