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_memory.h"      /* Offset() */
  13 #include "util/u_draw_quad.h"
  14
  15
  16 static int num_iters = 100;
  17
  18
  19 enum pipe_format formats[] = {
  20    PIPE_FORMAT_R8G8B8A8_UNORM,
  21    PIPE_FORMAT_B8G8R8A8_UNORM,
  22    PIPE_FORMAT_NONE
  23 };
  24
  25 static const int WIDTH = 300;
  26 static const int HEIGHT = 300;
  27
  28 static struct pipe_screen *screen = NULL;
  29 static struct pipe_context *ctx = NULL;
  30 static struct pipe_surface *surf = NULL;
  31 static void *window = NULL;
  32
  33 struct vertex {
  34    float position[4];
  35    float color[4];
  36 };
  37
  38 static struct vertex vertices[1] =
  39 {
  40    {
  41       { 0.0f, -0.9f, 0.0f, 1.0f },
  42       { 1.0f, 0.0f, 0.0f, 1.0f }
  43    }
  44 };
  45
  46
  47
  48
  49 static void set_viewport( float x, float y,
  50                           float width, float height,
  51                           float near, float far)
  52 {
  53    float z = far;
  54    float half_width = (float)width / 2.0f;
  55    float half_height = (float)height / 2.0f;
  56    float half_depth = ((float)far - (float)near) / 2.0f;
  57    struct pipe_viewport_state vp;
  58
  59    vp.scale[0] = half_width;
  60    vp.scale[1] = half_height;
  61    vp.scale[2] = half_depth;
  62    vp.scale[3] = 1.0f;
  63
  64    vp.translate[0] = half_width + x;
  65    vp.translate[1] = half_height + y;
  66    vp.translate[2] = half_depth + z;
  67    vp.translate[3] = 0.0f;
  68
  69    ctx->set_viewport_state( ctx, &vp );
  70 }
  71
  72 static 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
  89    vbuf.stride = sizeof(struct vertex);
  90    vbuf.max_index = sizeof(vertices) / vbuf.stride;
  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
 100 static 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
 119 static void *
 120 set_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
 138 static 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, surf, window);
 159    ctx->destroy(ctx);
 160
 161    exit(0);
 162 }
 163
 164
 165 static void init( void )
 166 {
 167    struct pipe_framebuffer_state fb;
 168    struct pipe_resource *tex, templat;
 169    int i;
 170
 171    /* It's hard to say whether window or screen should be created
 172     * first.  Different environments would prefer one or the other.
 173     *
 174     * Also, no easy way of querying supported formats if the screen
 175     * cannot be created first.
 176     */
 177    for (i = 0;
 178         window == NULL && formats[i] != PIPE_FORMAT_NONE;
 179         i++) {
 180
 181       screen = graw_create_window_and_screen(0,0,300,300,
 182                                              formats[i],
 183                                              &window);
 184    }
 185
 186    ctx = screen->context_create(screen, NULL);
 187    if (ctx == NULL)
 188       exit(3);
 189
 190    templat.target = PIPE_TEXTURE_2D;
 191    templat.format = formats[i];
 192    templat.width0 = WIDTH;
 193    templat.height0 = HEIGHT;
 194    templat.depth0 = 1;
 195    templat.last_level = 0;
 196    templat.nr_samples = 1;
 197    templat.bind = (PIPE_BIND_RENDER_TARGET |
 198                    PIPE_BIND_DISPLAY_TARGET);
 199
 200    tex = screen->resource_create(screen, &templat);
 201    if (tex == NULL) {
 202       fprintf(stderr, "Unable to create screen texture!\n");
 203       exit(4);
 204    }
 205
 206    surf = screen->get_tex_surface(screen, tex, 0, 0, 0,
 207                                   PIPE_BIND_RENDER_TARGET |
 208                                   PIPE_BIND_DISPLAY_TARGET);
 209    if (surf == NULL)
 210       exit(5);
 211
 212    memset(&fb, 0, sizeof fb);
 213    fb.nr_cbufs = 1;
 214    fb.width = WIDTH;
 215    fb.height = HEIGHT;
 216    fb.cbufs[0] = surf;
 217
 218    ctx->set_framebuffer_state(ctx, &fb);
 219
 220    {
 221       struct pipe_blend_state blend;
 222       void *handle;
 223       memset(&blend, 0, sizeof blend);
 224       blend.rt[0].colormask = PIPE_MASK_RGBA;
 225       handle = ctx->create_blend_state(ctx, &blend);
 226       ctx->bind_blend_state(ctx, handle);
 227    }
 228
 229    {
 230       struct pipe_depth_stencil_alpha_state depthstencil;
 231       void *handle;
 232       memset(&depthstencil, 0, sizeof depthstencil);
 233       handle = ctx->create_depth_stencil_alpha_state(ctx, &depthstencil);
 234       ctx->bind_depth_stencil_alpha_state(ctx, handle);
 235    }
 236
 237    {
 238       struct pipe_rasterizer_state rasterizer;
 239       void *handle;
 240       memset(&rasterizer, 0, sizeof rasterizer);
 241       rasterizer.cull_face = PIPE_FACE_NONE;
 242       rasterizer.gl_rasterization_rules = 1;
 243       handle = ctx->create_rasterizer_state(ctx, &rasterizer);
 244       ctx->bind_rasterizer_state(ctx, handle);
 245    }
 246
 247    set_viewport(0, 0, WIDTH, HEIGHT, 30, 1000);
 248    set_vertices();
 249    set_vertex_shader();
 250    if (0)
 251       set_fragment_shader();
 252 }
 253
 254
 255 int main( int argc, char *argv[] )
 256 {
 257    if (argc > 1)
 258       num_iters = atoi(argv[1]);
 259
 260    init();
 261
 262    graw_set_display_func( draw );
 263    graw_main_loop();
 264    return 0;
 265 }