2 * Create shaders in a loop to test memory usage.
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"
12 #include "util/u_memory.h" /* Offset() */
13 #include "util/u_draw_quad.h"
16 static int num_iters = 100;
19 enum pipe_format formats[] = {
20 PIPE_FORMAT_R8G8B8A8_UNORM,
21 PIPE_FORMAT_B8G8R8A8_UNORM,
25 static const int WIDTH = 300;
26 static const int HEIGHT = 300;
28 static struct pipe_screen *screen = NULL;
29 static struct pipe_context *ctx = NULL;
30 static struct pipe_surface *surf = NULL;
31 static struct pipe_resource *tex = NULL;
32 static void *window = NULL;
39 static struct vertex vertices[1] =
42 { 0.0f, -0.9f, 0.0f, 1.0f },
43 { 1.0f, 0.0f, 0.0f, 1.0f }
50 static void set_viewport( float x, float y,
51 float width, float height,
52 float near, float 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;
60 vp.scale[0] = half_width;
61 vp.scale[1] = half_height;
62 vp.scale[2] = half_depth;
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;
70 ctx->set_viewport_state( ctx, &vp );
73 static void set_vertices( void )
75 struct pipe_vertex_element ve[2];
76 struct pipe_vertex_buffer vbuf;
79 memset(ve, 0, sizeof ve);
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;
86 handle = ctx->create_vertex_elements_state(ctx, 2, ve);
87 ctx->bind_vertex_elements_state(ctx, handle);
90 vbuf.stride = sizeof(struct vertex);
91 vbuf.buffer_offset = 0;
92 vbuf.buffer = screen->user_buffer_create(screen,
95 PIPE_BIND_VERTEX_BUFFER);
97 ctx->set_vertex_buffers(ctx, 1, &vbuf);
100 static void set_vertex_shader( void )
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"
113 handle = graw_parse_vertex_shader(ctx, text);
114 ctx->bind_vs_state(ctx, handle);
120 set_fragment_shader( void )
125 "DCL IN[0], COLOR, LINEAR\n"
126 "DCL OUT[0], COLOR\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"
133 handle = graw_parse_fragment_shader(ctx, text);
138 static void draw( void )
140 float clear_color[4] = {0, 0, 0, 1};
143 printf("Creating %d shaders\n", num_iters);
145 for (i = 0; i < num_iters; i++) {
146 void *fs = set_fragment_shader();
148 ctx->bind_fs_state(ctx, fs);
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, NULL);
154 ctx->bind_fs_state(ctx, NULL);
155 ctx->delete_fs_state(ctx, fs);
158 screen->flush_frontbuffer(screen, tex, 0, 0, window);
165 static void init( void )
167 struct pipe_framebuffer_state fb;
168 struct pipe_resource templat;
169 struct pipe_surface surf_tmpl;
172 /* It's hard to say whether window or screen should be created
173 * first. Different environments would prefer one or the other.
175 * Also, no easy way of querying supported formats if the screen
176 * cannot be created first.
178 for (i = 0; formats[i] != PIPE_FORMAT_NONE; i++) {
179 screen = graw_create_window_and_screen(0, 0, 300, 300,
182 if (window && screen)
185 if (!screen || !window) {
186 fprintf(stderr, "Unable to create window\n");
190 ctx = screen->context_create(screen, NULL);
194 templat.target = PIPE_TEXTURE_2D;
195 templat.format = formats[i];
196 templat.width0 = WIDTH;
197 templat.height0 = HEIGHT;
199 templat.last_level = 0;
200 templat.nr_samples = 1;
201 templat.bind = (PIPE_BIND_RENDER_TARGET |
202 PIPE_BIND_DISPLAY_TARGET);
204 tex = screen->resource_create(screen, &templat);
206 fprintf(stderr, "Unable to create screen texture!\n");
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);
217 fprintf(stderr, "Unable to create tex surface!\n");
221 memset(&fb, 0, sizeof fb);
227 ctx->set_framebuffer_state(ctx, &fb);
230 struct pipe_blend_state blend;
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);
239 struct pipe_depth_stencil_alpha_state depthstencil;
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);
247 struct pipe_rasterizer_state rasterizer;
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);
256 set_viewport(0, 0, WIDTH, HEIGHT, 30, 1000);
260 set_fragment_shader();
264 int main( int argc, char *argv[] )
267 num_iters = atoi(argv[1]);
271 graw_set_display_func( draw );