shader-leak.c revision cdca3c58aa2d9549f5188910e2a77b438516714f 
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
15
16static int num_iters = 100;
17
18
19enum pipe_format formats[] = {
20   PIPE_FORMAT_R8G8B8A8_UNORM,
21   PIPE_FORMAT_B8G8R8A8_UNORM,
22   PIPE_FORMAT_NONE
23};
24
25static const int WIDTH = 300;
26static const int HEIGHT = 300;
27
28static struct pipe_screen *screen = NULL;
29static struct pipe_context *ctx = NULL;
30static struct pipe_surface *surf = NULL;
31static struct pipe_resource *tex = NULL;
32static void *window = NULL;
33
34struct vertex {
35   float position[4];
36   float color[4];
37};
38
39static struct vertex vertices[1] =
40{
41   {
42      { 0.0f, -0.9f, 0.0f, 1.0f },
43      { 1.0f, 0.0f, 0.0f, 1.0f }
44   }
45};
46
47
48
49
50static void set_viewport( float x, float y,
51                          float width, float height,
52                          float near, float far)
53{
54   float z = far;
55   float half_width = (float)width / 2.0f;
56   float half_height = (float)height / 2.0f;
57   float half_depth = ((float)far - (float)near) / 2.0f;
58   struct pipe_viewport_state vp;
59
60   vp.scale[0] = half_width;
61   vp.scale[1] = half_height;
62   vp.scale[2] = half_depth;
63   vp.scale[3] = 1.0f;
64
65   vp.translate[0] = half_width + x;
66   vp.translate[1] = half_height + y;
67   vp.translate[2] = half_depth + z;
68   vp.translate[3] = 0.0f;
69
70   ctx->set_viewport_state( ctx, &vp );
71}
72
73static void set_vertices( void )
74{
75   struct pipe_vertex_element ve[2];
76   struct pipe_vertex_buffer vbuf;
77   void *handle;
78
79   memset(ve, 0, sizeof ve);
80
81   ve[0].src_offset = Offset(struct vertex, position);
82   ve[0].src_format = PIPE_FORMAT_R32G32B32A32_FLOAT;
83   ve[1].src_offset = Offset(struct vertex, color);
84   ve[1].src_format = PIPE_FORMAT_R32G32B32A32_FLOAT;
85
86   handle = ctx->create_vertex_elements_state(ctx, 2, ve);
87   ctx->bind_vertex_elements_state(ctx, handle);
88
89
90   vbuf.stride = sizeof(struct vertex);
91   vbuf.buffer_offset = 0;
92   vbuf.buffer = screen->user_buffer_create(screen,
93                                            vertices,
94                                            sizeof(vertices),
95                                            PIPE_BIND_VERTEX_BUFFER);
96
97   ctx->set_vertex_buffers(ctx, 1, &vbuf);
98}
99
100static void set_vertex_shader( void )
101{
102   void *handle;
103   const char *text =
104      "VERT\n"
105      "DCL IN[0]\n"
106      "DCL IN[1]\n"
107      "DCL OUT[0], POSITION\n"
108      "DCL OUT[1], COLOR\n"
109      "  0: MOV OUT[1], IN[1]\n"
110      "  1: MOV OUT[0], IN[0]\n"
111      "  2: END\n";
112
113   handle = graw_parse_vertex_shader(ctx, text);
114   ctx->bind_vs_state(ctx, handle);
115}
116
117
118
119static void *
120set_fragment_shader( void )
121{
122   void *handle;
123   const char *text =
124      "FRAG\n"
125      "DCL IN[0], COLOR, LINEAR\n"
126      "DCL OUT[0], COLOR\n"
127      "DCL TEMP[0..1]\n"
128      "  0: MUL TEMP[0], IN[0], IN[0]\n"
129      "  1: ADD TEMP[1], IN[0], IN[0]\n"
130      "  2: SUB OUT[0], TEMP[0], TEMP[1]\n"
131      "  3: END\n";
132
133   handle = graw_parse_fragment_shader(ctx, text);
134   return handle;
135}
136
137
138static void draw( void )
139{
140   float clear_color[4] = {0, 0, 0, 1};
141   int i;
142
143   printf("Creating %d shaders\n", num_iters);
144
145   for (i = 0; i < num_iters; i++) {
146      void *fs = set_fragment_shader();
147
148      ctx->bind_fs_state(ctx, fs);
149
150      ctx->clear(ctx, PIPE_CLEAR_COLOR, clear_color, 0, 0);
151      util_draw_arrays(ctx, PIPE_PRIM_POINTS, 0, 1);
152      ctx->flush(ctx, PIPE_FLUSH_RENDER_CACHE, NULL);
153
154      ctx->bind_fs_state(ctx, NULL);
155      ctx->delete_fs_state(ctx, fs);
156   }
157
158   screen->flush_frontbuffer(screen, tex, 0, 0, window);
159   ctx->destroy(ctx);
160
161   exit(0);
162}
163
164
165static void init( void )
166{
167   struct pipe_framebuffer_state fb;
168   struct pipe_resource templat;
169   struct pipe_surface surf_tmpl;
170   int i;
171
172   /* It's hard to say whether window or screen should be created
173    * first.  Different environments would prefer one or the other.
174    *
175    * Also, no easy way of querying supported formats if the screen
176    * cannot be created first.
177    */
178   for (i = 0; formats[i] != PIPE_FORMAT_NONE; i++) {
179      screen = graw_create_window_and_screen(0, 0, 300, 300,
180                                             formats[i],
181                                             &window);
182      if (window && screen)
183         break;
184   }
185   if (!screen || !window) {
186      fprintf(stderr, "Unable to create window\n");
187      exit(1);
188   }
189
190   ctx = screen->context_create(screen, NULL);
191   if (ctx == NULL)
192      exit(3);
193
194   templat.target = PIPE_TEXTURE_2D;
195   templat.format = formats[i];
196   templat.width0 = WIDTH;
197   templat.height0 = HEIGHT;
198   templat.depth0 = 1;
199   templat.last_level = 0;
200   templat.nr_samples = 1;
201   templat.bind = (PIPE_BIND_RENDER_TARGET |
202                   PIPE_BIND_DISPLAY_TARGET);
203
204   tex = screen->resource_create(screen, &templat);
205   if (tex == NULL) {
206      fprintf(stderr, "Unable to create screen texture!\n");
207      exit(4);
208   }
209
210   surf_tmpl.format = templat.format;
211   surf_tmpl.usage = PIPE_BIND_RENDER_TARGET;
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.gl_rasterization_rules = 1;
252      handle = ctx->create_rasterizer_state(ctx, &rasterizer);
253      ctx->bind_rasterizer_state(ctx, handle);
254   }
255
256   set_viewport(0, 0, WIDTH, HEIGHT, 30, 1000);
257   set_vertices();
258   set_vertex_shader();
259   if (0)
260      set_fragment_shader();
261}
262
263
264int main( int argc, char *argv[] )
265{
266   if (argc > 1)
267      num_iters = atoi(argv[1]);
268
269   init();
270
271   graw_set_display_func( draw );
272   graw_main_loop();
273   return 0;
274}
275