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3881fd3259
This adds experimental 2.0 api replacements for the cogl_rectangle[_*]
functions that don't depend on having a current pipeline set on the
context via cogl_{set,push}_source() or having a current framebuffer set
on the context via cogl_push_framebuffer(). The aim for 2.0 is to switch
away from having a statefull context that affects drawing to having
framebuffer drawing apis that are explicitly passed a framebuffer and
pipeline.
To test this change several of the conformance tests were updated to use
this api instead of cogl_rectangle and
cogl_rectangle_with_texture_coords. Since it's quite laborious going
through all of the conformance tests the opportunity was taken to make
other clean ups in the conformance tests to replace other uses of
1.x api with experimental 2.0 api so long as that didn't affect what was
being tested.
134 lines
3.6 KiB
C
134 lines
3.6 KiB
C
#include <clutter/clutter.h>
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#include "test-conform-common.h"
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#define N_TEXTURES 128
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#define OPACITY_FOR_ROW(y) \
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(0xff - ((y) & 0xf) * 0x10)
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#define COLOR_FOR_SIZE(size) \
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(colors + (size) % 3)
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static const ClutterColor colors[] =
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{ { 0xff, 0x00, 0x00, 0xff },
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{ 0x00, 0xff, 0x00, 0xff },
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{ 0x00, 0x00, 0xff, 0xff } };
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static CoglHandle
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create_texture (int size)
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{
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CoglHandle texture;
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const ClutterColor *color;
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guint8 *data, *p;
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int x, y;
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/* Create a red, green or blue texture depending on the size */
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color = COLOR_FOR_SIZE (size);
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p = data = g_malloc (size * size * 4);
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/* Fill the data with the color but fade the opacity out with
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increasing y coordinates so that we can see the blending it the
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atlas migration accidentally blends with garbage in the
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texture */
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for (y = 0; y < size; y++)
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{
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int opacity = OPACITY_FOR_ROW (y);
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for (x = 0; x < size; x++)
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{
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/* Store the colors premultiplied */
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p[0] = color->red * opacity / 255;
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p[1] = color->green * opacity / 255;
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p[2] = color->blue * opacity / 255;
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p[3] = opacity;
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p += 4;
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}
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}
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texture = cogl_texture_new_from_data (size, /* width */
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size, /* height */
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COGL_TEXTURE_NONE, /* flags */
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/* format */
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COGL_PIXEL_FORMAT_RGBA_8888,
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/* internal format */
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COGL_PIXEL_FORMAT_RGBA_8888,
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/* rowstride */
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size * 4,
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data);
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g_free (data);
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return texture;
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}
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static void
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verify_texture (CoglHandle texture, int size)
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{
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guint8 *data, *p;
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int x, y;
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const ClutterColor *color;
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color = COLOR_FOR_SIZE (size);
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p = data = g_malloc (size * size * 4);
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cogl_texture_get_data (texture,
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COGL_PIXEL_FORMAT_RGBA_8888,
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size * 4,
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data);
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for (y = 0; y < size; y++)
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{
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int opacity = OPACITY_FOR_ROW (y);
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for (x = 0; x < size; x++)
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{
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g_assert_cmpint (p[0], ==, color->red * opacity / 255);
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g_assert_cmpint (p[1], ==, color->green * opacity / 255);
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g_assert_cmpint (p[2], ==, color->blue * opacity / 255);
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g_assert_cmpint (p[3], ==, opacity);
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p += 4;
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}
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}
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g_free (data);
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}
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void
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test_atlas_migration (TestUtilsGTestFixture *fixture,
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void *data)
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{
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CoglHandle textures[N_TEXTURES];
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int i, tex_num;
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/* Create and destroy all of the textures a few times to increase
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the chances that we'll end up reusing the buffers for previously
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discarded atlases */
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for (i = 0; i < 5; i++)
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{
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for (tex_num = 0; tex_num < N_TEXTURES; tex_num++)
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textures[tex_num] = create_texture (tex_num + 1);
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for (tex_num = 0; tex_num < N_TEXTURES; tex_num++)
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cogl_object_unref (textures[tex_num]);
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}
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/* Create all the textures again */
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for (tex_num = 0; tex_num < N_TEXTURES; tex_num++)
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textures[tex_num] = create_texture (tex_num + 1);
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/* Verify that they all still have the right data */
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for (tex_num = 0; tex_num < N_TEXTURES; tex_num++)
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verify_texture (textures[tex_num], tex_num + 1);
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/* Destroy them all */
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for (tex_num = 0; tex_num < N_TEXTURES; tex_num++)
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cogl_object_unref (textures[tex_num]);
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if (cogl_test_verbose ())
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g_print ("OK\n");
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}
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