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mutter/tests/conform/test-primitive.c
Robert Bragg fa62fe2a4f tests: update inline with master 
This renames the global ctx and fb variables to test_ctx and test_fb
respectively in line with the names use on the master branch. This is to
make it easier to cherry pick patches from master.
2013-01-22 17:48:06 +00:00

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#include <cogl/cogl.h>
#include <string.h>
#include <stdlib.h>
#include "test-utils.h"
typedef struct _TestState
{
int fb_width;
int fb_height;
} TestState;
#define PRIM_COLOR 0xff00ffff
#define TEX_COLOR 0x0000ffff
#define N_ATTRIBS 8
typedef CoglPrimitive * (* TestPrimFunc) (CoglContext *ctx, uint32_t *expected_color);
static CoglPrimitive *
test_prim_p2 (CoglContext *ctx, uint32_t *expected_color)
{
static const CoglVertexP2 verts[] =
{ { 0, 0 }, { 0, 10 }, { 10, 0 } };
return cogl_primitive_new_p2 (test_ctx,
COGL_VERTICES_MODE_TRIANGLES,
3, /* n_vertices */
verts);
}
static CoglPrimitive *
test_prim_p3 (CoglContext *ctx, uint32_t *expected_color)
{
static const CoglVertexP3 verts[] =
{ { 0, 0, 0 }, { 0, 10, 0 }, { 10, 0, 0 } };
return cogl_primitive_new_p3 (test_ctx,
COGL_VERTICES_MODE_TRIANGLES,
3, /* n_vertices */
verts);
}
static CoglPrimitive *
test_prim_p2c4 (CoglContext *ctx, uint32_t *expected_color)
{
static const CoglVertexP2C4 verts[] =
{ { 0, 0, 255, 255, 0, 255 },
{ 0, 10, 255, 255, 0, 255 },
{ 10, 0, 255, 255, 0, 255 } };
*expected_color = 0xffff00ff;
return cogl_primitive_new_p2c4 (test_ctx,
COGL_VERTICES_MODE_TRIANGLES,
3, /* n_vertices */
verts);
}
static CoglPrimitive *
test_prim_p3c4 (CoglContext *ctx, uint32_t *expected_color)
{
static const CoglVertexP3C4 verts[] =
{ { 0, 0, 0, 255, 255, 0, 255 },
{ 0, 10, 0, 255, 255, 0, 255 },
{ 10, 0, 0, 255, 255, 0, 255 } };
*expected_color = 0xffff00ff;
return cogl_primitive_new_p3c4 (test_ctx,
COGL_VERTICES_MODE_TRIANGLES,
3, /* n_vertices */
verts);
}
static CoglPrimitive *
test_prim_p2t2 (CoglContext *ctx, uint32_t *expected_color)
{
static const CoglVertexP2T2 verts[] =
{ { 0, 0, 1, 0 },
{ 0, 10, 1, 0 },
{ 10, 0, 1, 0 } };
*expected_color = TEX_COLOR;
return cogl_primitive_new_p2t2 (test_ctx,
COGL_VERTICES_MODE_TRIANGLES,
3, /* n_vertices */
verts);
}
static CoglPrimitive *
test_prim_p3t2 (CoglContext *ctx, uint32_t *expected_color)
{
static const CoglVertexP3T2 verts[] =
{ { 0, 0, 0, 1, 0 },
{ 0, 10, 0, 1, 0 },
{ 10, 0, 0, 1, 0 } };
*expected_color = TEX_COLOR;
return cogl_primitive_new_p3t2 (test_ctx,
COGL_VERTICES_MODE_TRIANGLES,
3, /* n_vertices */
verts);
}
static CoglPrimitive *
test_prim_p2t2c4 (CoglContext *ctx, uint32_t *expected_color)
{
static const CoglVertexP2T2C4 verts[] =
{ { 0, 0, 1, 0, 0xff, 0xff, 0xf0, 0xff },
{ 0, 10, 1, 0, 0xff, 0xff, 0xf0, 0xff },
{ 10, 0, 1, 0, 0xff, 0xff, 0xf0, 0xff } };
/* The blue component of the texture color should be replaced with 0xf0 */
*expected_color = (TEX_COLOR & 0xffff00ff) | 0x0000f000;
return cogl_primitive_new_p2t2c4 (test_ctx,
COGL_VERTICES_MODE_TRIANGLES,
3, /* n_vertices */
verts);
}
static CoglPrimitive *
test_prim_p3t2c4 (CoglContext *ctx, uint32_t *expected_color)
{
static const CoglVertexP3T2C4 verts[] =
{ { 0, 0, 0, 1, 0, 0xff, 0xff, 0xf0, 0xff },
{ 0, 10, 0, 1, 0, 0xff, 0xff, 0xf0, 0xff },
{ 10, 0, 0, 1, 0, 0xff, 0xff, 0xf0, 0xff } };
/* The blue component of the texture color should be replaced with 0xf0 */
*expected_color = (TEX_COLOR & 0xffff00ff) | 0x0000f000;
return cogl_primitive_new_p3t2c4 (test_ctx,
COGL_VERTICES_MODE_TRIANGLES,
3, /* n_vertices */
verts);
}
static const TestPrimFunc
test_prim_funcs[] =
{
test_prim_p2,
test_prim_p3,
test_prim_p2c4,
test_prim_p3c4,
test_prim_p2t2,
test_prim_p3t2,
test_prim_p2t2c4,
test_prim_p3t2c4
};
static void
test_paint (TestState *state)
{
CoglPipeline *pipeline;
CoglTexture *tex;
uint8_t tex_data[6];
int i;
/* Create a two pixel texture. The first pixel is white and the
second pixel is tex_color. The assumption is that if no texture
coordinates are specified then it will default to 0,0 and get
white */
tex_data[0] = 255;
tex_data[1] = 255;
tex_data[2] = 255;
tex_data[3] = (TEX_COLOR >> 24) & 0xff;
tex_data[4] = (TEX_COLOR >> 16) & 0xff;
tex_data[5] = (TEX_COLOR >> 8) & 0xff;
tex = cogl_texture_new_from_data (2, 1, /* size */
COGL_TEXTURE_NO_ATLAS,
COGL_PIXEL_FORMAT_RGB_888,
COGL_PIXEL_FORMAT_ANY,
6, /* rowstride */
tex_data);
pipeline = cogl_pipeline_new (test_ctx);
cogl_pipeline_set_color4ub (pipeline,
(PRIM_COLOR >> 24) & 0xff,
(PRIM_COLOR >> 16) & 0xff,
(PRIM_COLOR >> 8) & 0xff,
(PRIM_COLOR >> 0) & 0xff);
cogl_pipeline_set_layer_texture (pipeline, 0, tex);
cogl_object_unref (tex);
for (i = 0; i < G_N_ELEMENTS (test_prim_funcs); i++)
{
CoglPrimitive *prim;
uint32_t expected_color = PRIM_COLOR;
prim = test_prim_funcs[i] (test_ctx, &expected_color);
cogl_framebuffer_push_matrix (test_fb);
cogl_framebuffer_translate (test_fb, i * 10, 0, 0);
cogl_framebuffer_draw_primitive (test_fb, pipeline, prim);
cogl_framebuffer_pop_matrix (test_fb);
test_utils_check_pixel (test_fb, i * 10 + 2, 2, expected_color);
cogl_object_unref (prim);
}
cogl_object_unref (pipeline);
}
static CoglBool
get_attributes_cb (CoglPrimitive *prim,
CoglAttribute *attrib,
void *user_data)
{
CoglAttribute ***p = user_data;
*((* p)++) = attrib;
return TRUE;
}
static int
compare_pointers (const void *a, const void *b)
{
CoglAttribute *pa = *(CoglAttribute **) a;
CoglAttribute *pb = *(CoglAttribute **) b;
if (pa < pb)
return -1;
else if (pa > pb)
return 1;
else
return 0;
}
static void
test_copy (TestState *state)
{
static const uint16_t indices_data[2] = { 1, 2 };
CoglAttributeBuffer *buffer =
cogl_attribute_buffer_new (test_ctx, 100, NULL);
CoglAttribute *attributes[N_ATTRIBS];
CoglAttribute *attributes_a[N_ATTRIBS], *attributes_b[N_ATTRIBS];
CoglAttribute **p;
CoglPrimitive *prim_a, *prim_b;
CoglIndices *indices;
int i;
for (i = 0; i < N_ATTRIBS; i++)
{
char *name = g_strdup_printf ("foo_%i", i);
attributes[i] = cogl_attribute_new (buffer,
name,
16, /* stride */
16, /* offset */
2, /* components */
COGL_ATTRIBUTE_TYPE_FLOAT);
g_free (name);
}
prim_a = cogl_primitive_new_with_attributes (COGL_VERTICES_MODE_TRIANGLES,
8, /* n_vertices */
attributes,
N_ATTRIBS);
indices = cogl_indices_new (test_ctx,
COGL_INDICES_TYPE_UNSIGNED_SHORT,
indices_data,
2 /* n_indices */);
cogl_primitive_set_first_vertex (prim_a, 12);
cogl_primitive_set_indices (prim_a, indices, 2);
prim_b = cogl_primitive_copy (prim_a);
p = attributes_a;
cogl_primitive_foreach_attribute (prim_a,
get_attributes_cb,
&p);
g_assert_cmpint (p - attributes_a, ==, N_ATTRIBS);
p = attributes_b;
cogl_primitive_foreach_attribute (prim_b,
get_attributes_cb,
&p);
g_assert_cmpint (p - attributes_b, ==, N_ATTRIBS);
qsort (attributes_a, N_ATTRIBS, sizeof (CoglAttribute *), compare_pointers);
qsort (attributes_b, N_ATTRIBS, sizeof (CoglAttribute *), compare_pointers);
g_assert (memcmp (attributes_a, attributes_b, sizeof (attributes_a)) == 0);
g_assert_cmpint (cogl_primitive_get_first_vertex (prim_a),
==,
cogl_primitive_get_first_vertex (prim_b));
g_assert_cmpint (cogl_primitive_get_n_vertices (prim_a),
==,
cogl_primitive_get_n_vertices (prim_b));
g_assert_cmpint (cogl_primitive_get_mode (prim_a),
==,
cogl_primitive_get_mode (prim_b));
g_assert (cogl_primitive_get_indices (prim_a) ==
cogl_primitive_get_indices (prim_b));
cogl_object_unref (prim_a);
cogl_object_unref (prim_b);
cogl_object_unref (indices);
for (i = 0; i < N_ATTRIBS; i++)
cogl_object_unref (attributes[i]);
cogl_object_unref (buffer);
}
void
test_primitive (void)
{
TestState state;
state.fb_width = cogl_framebuffer_get_width (test_fb);
state.fb_height = cogl_framebuffer_get_height (test_fb);
cogl_framebuffer_orthographic (test_fb,
0, 0,
state.fb_width,
state.fb_height,
-1,
100);
test_paint (&state);
test_copy (&state);
if (cogl_test_verbose ())
g_print ("OK\n");
}
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