src/gallium/tests/graw/shader-leak.c

   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_debug.h"       /* debug_dump_surface_bmp() */
  13 #include "util/u_memory.h"      /* Offset() */
  14 #include "util/u_draw_quad.h"
  15
  16
  17 static int num_iters = 100;
  18
  19
  20 enum pipe_format formats[] = {
  21    PIPE_FORMAT_R8G8B8A8_UNORM,
  22    PIPE_FORMAT_B8G8R8A8_UNORM,
  23    PIPE_FORMAT_NONE
  24 };
  25
  26 static const int WIDTH = 300;
  27 static const int HEIGHT = 300;
  28
  29 static struct pipe_screen *screen = NULL;
  30 static struct pipe_context *ctx = NULL;
  31 static struct pipe_surface *surf = NULL;
  32 static void *window = NULL;
  33
  34 struct vertex {
  35    float position[4];
  36    float color[4];
  37 };
  38
  39 static 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
  50 static 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
  73 static 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.max_index = sizeof(vertices) / vbuf.stride;
  92    vbuf.buffer_offset = 0;
  93    vbuf.buffer = screen->user_buffer_create(screen,
  94                                             vertices,
  95                                             sizeof(vertices),
  96                                             PIPE_BIND_VERTEX_BUFFER);
  97
  98    ctx->set_vertex_buffers(ctx, 1, &vbuf);
  99 }
 100
 101 static 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
 120 static void *
 121 set_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
 139 static void draw( void )
 140 {
 141    float clear_color[4] = {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, PIPE_FLUSH_RENDER_CACHE, NULL);
 154
 155       ctx->bind_fs_state(ctx, NULL);
 156       ctx->delete_fs_state(ctx, fs);
 157    }
 158
 159    screen->flush_frontbuffer(screen, surf, window);
 160    ctx->destroy(ctx);
 161
 162    exit(0);
 163 }
 164
 165
 166 static void init( void )
 167 {
 168    struct pipe_framebuffer_state fb;
 169    struct pipe_resource *tex, templat;
 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;
 179         window == NULL && formats[i] != PIPE_FORMAT_NONE;
 180         i++) {
 181
 182       screen = graw_create_window_and_screen(0,0,300,300,
 183                                              formats[i],
 184                                              &window);
 185    }
 186
 187    ctx = screen->context_create(screen, NULL);
 188    if (ctx == NULL)
 189       exit(3);
 190
 191    templat.target = PIPE_TEXTURE_2D;
 192    templat.format = formats[i];
 193    templat.width0 = WIDTH;
 194    templat.height0 = HEIGHT;
 195    templat.depth0 = 1;
 196    templat.last_level = 0;
 197    templat.nr_samples = 1;
 198    templat.bind = (PIPE_BIND_RENDER_TARGET |
 199                    PIPE_BIND_DISPLAY_TARGET);
 200
 201    tex = screen->resource_create(screen, &templat);
 202    if (tex == NULL) {
 203       fprintf(stderr, "Unable to create screen texture!\n");
 204       exit(4);
 205    }
 206
 207    surf = screen->get_tex_surface(screen, tex, 0, 0, 0,
 208                                   PIPE_BIND_RENDER_TARGET |
 209                                   PIPE_BIND_DISPLAY_TARGET);
 210    if (surf == NULL)
 211       exit(5);
 212
 213    memset(&fb, 0, sizeof fb);
 214    fb.nr_cbufs = 1;
 215    fb.width = WIDTH;
 216    fb.height = HEIGHT;
 217    fb.cbufs[0] = surf;
 218
 219    ctx->set_framebuffer_state(ctx, &fb);
 220
 221    {
 222       struct pipe_blend_state blend;
 223       void *handle;
 224       memset(&blend, 0, sizeof blend);
 225       blend.rt[0].colormask = PIPE_MASK_RGBA;
 226       handle = ctx->create_blend_state(ctx, &blend);
 227       ctx->bind_blend_state(ctx, handle);
 228    }
 229
 230    {
 231       struct pipe_depth_stencil_alpha_state depthstencil;
 232       void *handle;
 233       memset(&depthstencil, 0, sizeof depthstencil);
 234       handle = ctx->create_depth_stencil_alpha_state(ctx, &depthstencil);
 235       ctx->bind_depth_stencil_alpha_state(ctx, handle);
 236    }
 237
 238    {
 239       struct pipe_rasterizer_state rasterizer;
 240       void *handle;
 241       memset(&rasterizer, 0, sizeof rasterizer);
 242       rasterizer.cull_face = PIPE_FACE_NONE;
 243       rasterizer.gl_rasterization_rules = 1;
 244       handle = ctx->create_rasterizer_state(ctx, &rasterizer);
 245       ctx->bind_rasterizer_state(ctx, handle);
 246    }
 247
 248    set_viewport(0, 0, WIDTH, HEIGHT, 30, 1000);
 249    set_vertices();
 250    set_vertex_shader();
 251    if (0)
 252       set_fragment_shader();
 253 }
 254
 255
 256 int main( int argc, char *argv[] )
 257 {
 258    if (argc > 1)
 259       num_iters = atoi(argv[1]);
 260
 261    init();
 262
 263    graw_set_display_func( draw );
 264    graw_main_loop();
 265    return 0;
 266 }