mutter/tests/conform/test-wrap-modes.c
Robert Bragg af7398788a remove internal_format and redundant error arguments
Texture allocation is now consistently handled lazily such that the
internal format can now be controlled using
cogl_texture_set_components() and cogl_texture_set_premultiplied()
before allocating the texture with cogl_texture_allocate(). This means
that the internal_format arguments to texture constructors are now
redundant and since most of the texture constructors now can't ever fail
the error arguments are also redundant. This now means we no longer
use CoglPixelFormat in the public api for describing the internal format
of textures which had been bad solution originally due to how specific
CoglPixelFormat is which is missleading when we don't support such
explicit control over the internal format.

Reviewed-by: Neil Roberts <neil@linux.intel.com>
(cherry picked from commit 99a53c82e9ab0a1e5ee35941bf83dc334b1fbe87)

Note: there are numerous API changes for functions currently marked
as 'unstable' which we don't think are in use by anyone depending on
a stable 1.x api. Compared to the original patch though this avoids
changing the cogl_texture_rectangle_new_with_size() api which we know
is used by Mutter.
2014-01-09 15:49:47 +00:00

297 lines
8.5 KiB
C

#define COGL_VERSION_MIN_REQUIRED COGL_VERSION_1_0
#include <cogl/cogl.h>
#include <string.h>
#include "test-utils.h"
#define TEX_SIZE 4
typedef struct _TestState
{
int width;
int height;
CoglTexture *texture;
} TestState;
static CoglTexture *
create_texture (TestUtilsTextureFlags flags)
{
uint8_t *data = g_malloc (TEX_SIZE * TEX_SIZE * 4), *p = data;
CoglTexture *tex;
int x, y;
for (y = 0; y < TEX_SIZE; y++)
for (x = 0; x < TEX_SIZE; x++)
{
*(p++) = 0;
*(p++) = (x & 1) * 255;
*(p++) = (y & 1) * 255;
*(p++) = 255;
}
tex = test_utils_texture_new_from_data (test_ctx,
TEX_SIZE, TEX_SIZE, flags,
COGL_PIXEL_FORMAT_RGBA_8888_PRE,
TEX_SIZE * 4,
data);
g_free (data);
return tex;
}
static CoglPipeline *
create_pipeline (TestState *state,
CoglPipelineWrapMode wrap_mode_s,
CoglPipelineWrapMode wrap_mode_t)
{
CoglPipeline *pipeline;
pipeline = cogl_pipeline_new (test_ctx);
cogl_pipeline_set_layer_texture (pipeline, 0, state->texture);
cogl_pipeline_set_layer_filters (pipeline, 0,
COGL_PIPELINE_FILTER_NEAREST,
COGL_PIPELINE_FILTER_NEAREST);
cogl_pipeline_set_layer_wrap_mode_s (pipeline, 0, wrap_mode_s);
cogl_pipeline_set_layer_wrap_mode_t (pipeline, 0, wrap_mode_t);
return pipeline;
}
static CoglPipelineWrapMode
wrap_modes[] =
{
COGL_PIPELINE_WRAP_MODE_REPEAT,
COGL_PIPELINE_WRAP_MODE_REPEAT,
COGL_PIPELINE_WRAP_MODE_CLAMP_TO_EDGE,
COGL_PIPELINE_WRAP_MODE_CLAMP_TO_EDGE,
COGL_PIPELINE_WRAP_MODE_REPEAT,
COGL_PIPELINE_WRAP_MODE_CLAMP_TO_EDGE,
COGL_PIPELINE_WRAP_MODE_CLAMP_TO_EDGE,
COGL_PIPELINE_WRAP_MODE_REPEAT,
COGL_PIPELINE_WRAP_MODE_AUTOMATIC,
COGL_PIPELINE_WRAP_MODE_AUTOMATIC,
COGL_PIPELINE_WRAP_MODE_AUTOMATIC,
COGL_PIPELINE_WRAP_MODE_CLAMP_TO_EDGE
};
static void
draw_tests (TestState *state)
{
int i;
for (i = 0; i < G_N_ELEMENTS (wrap_modes); i += 2)
{
CoglPipelineWrapMode wrap_mode_s, wrap_mode_t;
CoglPipeline *pipeline;
/* Create a separate pipeline for each pair of wrap modes so
that we can verify whether the batch splitting works */
wrap_mode_s = wrap_modes[i];
wrap_mode_t = wrap_modes[i + 1];
pipeline = create_pipeline (state, wrap_mode_s, wrap_mode_t);
/* Render the pipeline at four times the size of the texture */
cogl_framebuffer_draw_textured_rectangle (test_fb,
pipeline,
i * TEX_SIZE,
0,
(i + 2) * TEX_SIZE,
TEX_SIZE * 2,
0, 0, 2, 2);
cogl_object_unref (pipeline);
}
}
static const CoglTextureVertex vertices[4] =
{
{ 0.0f, 0.0f, 0.0f, 0.0f, 0.0f },
{ 0.0f, TEX_SIZE * 2, 0.0f, 0.0f, 2.0f },
{ TEX_SIZE * 2, TEX_SIZE * 2, 0.0f, 2.0f, 2.0f },
{ TEX_SIZE * 2, 0.0f, 0.0f, 2.0f, 0.0f }
};
static void
draw_tests_polygon (TestState *state)
{
int i;
for (i = 0; i < G_N_ELEMENTS (wrap_modes); i += 2)
{
CoglPipelineWrapMode wrap_mode_s, wrap_mode_t;
CoglPipeline *pipeline;
wrap_mode_s = wrap_modes[i];
wrap_mode_t = wrap_modes[i + 1];
pipeline = create_pipeline (state, wrap_mode_s, wrap_mode_t);
cogl_set_source (pipeline);
cogl_object_unref (pipeline);
cogl_push_matrix ();
cogl_translate (TEX_SIZE * i, 0.0f, 0.0f);
/* Render the pipeline at four times the size of the texture */
cogl_polygon (vertices, G_N_ELEMENTS (vertices), FALSE);
cogl_pop_matrix ();
}
}
static void
draw_tests_vbo (TestState *state)
{
CoglHandle vbo;
int i;
vbo = cogl_vertex_buffer_new (4);
cogl_vertex_buffer_add (vbo, "gl_Vertex", 3,
COGL_ATTRIBUTE_TYPE_FLOAT, FALSE,
sizeof (vertices[0]),
&vertices[0].x);
cogl_vertex_buffer_add (vbo, "gl_MultiTexCoord0", 2,
COGL_ATTRIBUTE_TYPE_FLOAT, FALSE,
sizeof (vertices[0]),
&vertices[0].tx);
cogl_vertex_buffer_submit (vbo);
for (i = 0; i < G_N_ELEMENTS (wrap_modes); i += 2)
{
CoglPipelineWrapMode wrap_mode_s, wrap_mode_t;
CoglPipeline *pipeline;
wrap_mode_s = wrap_modes[i];
wrap_mode_t = wrap_modes[i + 1];
pipeline = create_pipeline (state, wrap_mode_s, wrap_mode_t);
cogl_set_source (pipeline);
cogl_object_unref (pipeline);
cogl_push_matrix ();
cogl_translate (TEX_SIZE * i, 0.0f, 0.0f);
/* Render the pipeline at four times the size of the texture */
cogl_vertex_buffer_draw (vbo, COGL_VERTICES_MODE_TRIANGLE_FAN, 0, 4);
cogl_pop_matrix ();
}
cogl_handle_unref (vbo);
}
static void
validate_set (TestState *state, int offset)
{
uint8_t data[TEX_SIZE * 2 * TEX_SIZE * 2 * 4], *p;
int x, y, i;
for (i = 0; i < G_N_ELEMENTS (wrap_modes); i += 2)
{
CoglPipelineWrapMode wrap_mode_s, wrap_mode_t;
wrap_mode_s = wrap_modes[i];
wrap_mode_t = wrap_modes[i + 1];
cogl_framebuffer_read_pixels (test_fb, i * TEX_SIZE, offset * TEX_SIZE * 2,
TEX_SIZE * 2, TEX_SIZE * 2,
COGL_PIXEL_FORMAT_RGBA_8888,
data);
p = data;
for (y = 0; y < TEX_SIZE * 2; y++)
for (x = 0; x < TEX_SIZE * 2; x++)
{
uint8_t green, blue;
if (x < TEX_SIZE ||
wrap_mode_s == COGL_PIPELINE_WRAP_MODE_REPEAT ||
wrap_mode_s == COGL_PIPELINE_WRAP_MODE_AUTOMATIC)
green = (x & 1) * 255;
else
green = ((TEX_SIZE - 1) & 1) * 255;
if (y < TEX_SIZE ||
wrap_mode_t == COGL_PIPELINE_WRAP_MODE_REPEAT ||
wrap_mode_t == COGL_PIPELINE_WRAP_MODE_AUTOMATIC)
blue = (y & 1) * 255;
else
blue = ((TEX_SIZE - 1) & 1) * 255;
g_assert_cmpint (p[0], ==, 0);
g_assert_cmpint (p[1], ==, green);
g_assert_cmpint (p[2], ==, blue);
p += 4;
}
}
}
static void
validate_result (TestState *state)
{
validate_set (state, 0); /* non-atlased rectangle */
#if 0 /* this doesn't currently work */
validate_set (state, 1); /* atlased rectangle */
#endif
validate_set (state, 2); /* cogl_polygon */
validate_set (state, 3); /* vertex buffer */
}
static void
paint (TestState *state)
{
/* Draw the tests first with a non atlased texture */
state->texture = create_texture (TEST_UTILS_TEXTURE_NO_ATLAS);
draw_tests (state);
cogl_object_unref (state->texture);
/* Draw the tests again with a possible atlased texture. This should
end up testing software repeats */
state->texture = create_texture (TEST_UTILS_TEXTURE_NONE);
cogl_framebuffer_push_matrix (test_fb);
cogl_framebuffer_translate (test_fb, 0.0f, TEX_SIZE * 2.0f, 0.0f);
draw_tests (state);
cogl_pop_matrix ();
cogl_object_unref (state->texture);
/* Draw the tests using cogl_polygon */
state->texture = create_texture (COGL_TEXTURE_NO_ATLAS);
cogl_push_matrix ();
cogl_translate (0.0f, TEX_SIZE * 4.0f, 0.0f);
draw_tests_polygon (state);
cogl_pop_matrix ();
cogl_object_unref (state->texture);
/* Draw the tests using a vertex buffer */
state->texture = create_texture (COGL_TEXTURE_NO_ATLAS);
cogl_push_matrix ();
cogl_translate (0.0f, TEX_SIZE * 6.0f, 0.0f);
draw_tests_vbo (state);
cogl_pop_matrix ();
cogl_object_unref (state->texture);
validate_result (state);
}
void
test_wrap_modes (void)
{
TestState state;
state.width = cogl_framebuffer_get_width (test_fb);
state.height = cogl_framebuffer_get_height (test_fb);
cogl_framebuffer_orthographic (test_fb,
0, 0,
state.width,
state.height,
-1,
100);
/* XXX: we have to push/pop a framebuffer since this test currently
* uses the legacy cogl_vertex_buffer_draw() api. */
cogl_push_framebuffer (test_fb);
paint (&state);
cogl_pop_framebuffer ();
if (cogl_test_verbose ())
g_print ("OK\n");
}