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gs: give our test an option of rendering a strip

This commit is contained in:
Zack Rusin 2010-06-10 13:20:15 -04:00
parent 4d0baa73c9
commit 226ff53e63
1 changed files with 42 additions and 6 deletions
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48
src/gallium/tests/graw/gs-test.c
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@ -17,6 +17,7 @@
static const char *filename = NULL;
unsigned show_fps = 0;
unsigned draw_strip = 0;
static void usage(char *name)
@ -26,6 +27,7 @@ static void usage(char *name)
fprintf(stderr, "\n" );
fprintf(stderr, "options:\n");
fprintf(stderr, " -fps show frames per second\n");
fprintf(stderr, " -strip renders a triangle strip\n");
#endif
}
@ -73,6 +75,25 @@ static struct vertex vertices[] =
{ -1, 0, 0, 1 } },
};
static struct vertex vertices_strip[] =
{
{ { 0.9, 0.9, 0.0, 1.0 },
{ 0, 0, 1, 1 },
{ 1, 1, 0, 1 } },
{ { 0.9, -0.9, 0.0, 1.0 },
{ 1, 0, 0, 1 },
{ 1, -1, 0, 1 } },
{ {-0.9, -0.9, 0.0, 1.0 },
{ 0, 1, 0, 1 },
{ -1, -1, 0, 1 } },
{ {-0.9, 0.9, 0.0, 1.0 },
{ 1, 1, 0, 1 },
{ -1, 1, 0, 1 } },
};
static float constants[] =
{ 0.4, 0, 0, 1,
1, 1, 1, 1,
@ -171,12 +192,20 @@ static void set_vertices( void )
vbuf.stride = sizeof( struct vertex );
vbuf.max_index = sizeof(vertices) / vbuf.stride;
vbuf.buffer_offset = 0;
vbuf.buffer = screen->user_buffer_create(screen,
vertices,
sizeof(vertices),
PIPE_BIND_VERTEX_BUFFER);
if (draw_strip) {
vbuf.max_index = sizeof(vertices_strip) / vbuf.stride;
vbuf.buffer = screen->user_buffer_create(screen,
vertices_strip,
sizeof(vertices_strip),
PIPE_BIND_VERTEX_BUFFER);
} else {
vbuf.max_index = sizeof(vertices) / vbuf.stride;
vbuf.buffer = screen->user_buffer_create(screen,
vertices,
sizeof(vertices),
PIPE_BIND_VERTEX_BUFFER);
}
ctx->set_vertex_buffers(ctx, 1, &vbuf);
}
@ -247,7 +276,11 @@ static void draw( void )
float clear_color[4] = {.1,.3,.5,0};
ctx->clear(ctx, PIPE_CLEAR_COLOR, clear_color, 0, 0);
ctx->draw_arrays(ctx, PIPE_PRIM_TRIANGLES, 0, 3);
if (draw_strip)
ctx->draw_arrays(ctx, PIPE_PRIM_TRIANGLE_STRIP, 0, 4);
else
ctx->draw_arrays(ctx, PIPE_PRIM_TRIANGLES, 0, 3);
ctx->flush(ctx, PIPE_FLUSH_RENDER_CACHE, NULL);
#if 0
@ -502,6 +535,9 @@ static void args(int argc, char *argv[])
if (strcmp(argv[i], "-fps") == 0) {
show_fps = 1;
}
else if (strcmp(argv[i], "-strip") == 0) {
draw_strip = 1;
}
else if (i == argc - 1) {
filename = argv[i];
}