mirror of
https://github.com/brl/mutter.git
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tests: Port test-premult
This ports the test-offscreen test from being a Clutter test to a straight Cogl test. https://bugzilla.gnome.org/show_bug.cgi?id=660617 Reviewed-by: Robert Bragg <robert@linux.intel.com>
This commit is contained in:
Luca Bruno
Robert Bragg
parent
bdb645e7f5
commit
d3215b802d
@ -17,7 +17,6 @@ unported_test_sources = \
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test-multitexture.c \
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test-npot-texture.c \
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test-object.c \
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test-premult.c \
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test-readpixels.c \
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test-texture-get-set-data.c \
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test-texture-mipmaps.c \
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@ -40,6 +39,7 @@ test_sources = \
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test-pipeline-user-matrix.c \
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test-pipeline-uniforms.c \
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test-pixel-buffer.c \
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test-premult.c \
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test-snippets.c \
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test-wrap-modes.c \
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test-sub-texture.c \
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@ -53,7 +53,7 @@ main (int argc, char **argv)
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UNPORTED_TEST (test_materials);
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ADD_TEST (test_pipeline_user_matrix, 0);
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ADD_TEST (test_blend_strings, 0);
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UNPORTED_TEST (test_premult);
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ADD_TEST (test_premult, 0);
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UNPORTED_TEST (test_readpixels);
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ADD_TEST (test_path, 0);
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ADD_TEST (test_depth_test, 0);
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@ -1,13 +1,10 @@
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#include <clutter/clutter.h>
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#include <cogl/cogl.h>
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#include <string.h>
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#include "test-conform-common.h"
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#include "test-utils.h"
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static const ClutterColor stage_color = { 0x0, 0x0, 0x0, 0xff };
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#define QUAD_WIDTH 20
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#define QUAD_WIDTH 32
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#define RED 0
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#define GREEN 1
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@ -19,12 +16,6 @@ static const ClutterColor stage_color = { 0x0, 0x0, 0x0, 0xff };
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#define MASK_BLUE(COLOR) ((COLOR & 0xff00) >> 8)
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#define MASK_ALPHA(COLOR) (COLOR & 0xff)
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typedef struct _TestState
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{
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ClutterGeometry stage_geom;
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CoglHandle passthrough_material;
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} TestState;
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static guchar *
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gen_tex_data (guint32 color)
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{
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@ -47,54 +38,104 @@ gen_tex_data (guint32 color)
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return tex_data;
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}
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static CoglHandle
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static CoglTexture *
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make_texture (guint32 color,
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CoglPixelFormat src_format,
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CoglPixelFormat internal_format)
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CoglPixelFormat src_format,
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CoglPixelFormat internal_format)
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{
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CoglHandle tex;
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CoglTexture2D *tex_2d;
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guchar *tex_data = gen_tex_data (color);
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tex = cogl_texture_new_from_data (QUAD_WIDTH,
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QUAD_WIDTH,
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COGL_TEXTURE_NONE,
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src_format,
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internal_format,
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QUAD_WIDTH * 4,
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tex_data);
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tex_2d = cogl_texture_2d_new_from_data (ctx,
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QUAD_WIDTH,
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QUAD_WIDTH,
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src_format,
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internal_format,
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QUAD_WIDTH * 4,
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tex_data,
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NULL);
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g_free (tex_data);
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return tex;
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return COGL_TEXTURE (tex_2d);
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}
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static void
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check_texture (TestState *state,
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int x,
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int y,
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CoglHandle tex,
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guint32 expected_result)
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set_region (CoglTexture *tex,
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guint32 color,
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CoglPixelFormat format)
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{
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guchar pixel[4];
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int y_off;
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int x_off;
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guchar *tex_data = gen_tex_data (color);
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cogl_material_set_layer (state->passthrough_material, 0, tex);
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cogl_texture_set_region (tex,
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0, 0, /* src x, y */
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0, 0, /* dst x, y */
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QUAD_WIDTH, QUAD_WIDTH, /* dst width, height */
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QUAD_WIDTH, QUAD_WIDTH, /* src width, height */
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format,
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0, /* auto compute row stride */
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tex_data);
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}
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cogl_set_source (state->passthrough_material);
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static void
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check_texture (CoglPipeline *pipeline,
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CoglHandle material,
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int x,
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int y,
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CoglTexture *tex,
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guint32 expected_result)
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{
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/* Legacy */
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cogl_push_framebuffer (fb);
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cogl_material_set_layer (material, 0, tex);
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cogl_set_source (material);
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cogl_rectangle (x * QUAD_WIDTH,
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y * QUAD_WIDTH,
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x * QUAD_WIDTH + QUAD_WIDTH,
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y * QUAD_WIDTH + QUAD_WIDTH);
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y * QUAD_WIDTH,
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x * QUAD_WIDTH + QUAD_WIDTH,
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y * QUAD_WIDTH + QUAD_WIDTH);
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test_utils_check_pixel (fb, x * QUAD_WIDTH + QUAD_WIDTH / 2, y * QUAD_WIDTH + QUAD_WIDTH / 2, expected_result);
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cogl_pop_framebuffer ();
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test_utils_check_pixel (x_off, y_off, expected_result);
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/* New API */
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cogl_pipeline_set_layer_texture (pipeline, 0, COGL_TEXTURE (tex));
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cogl_framebuffer_draw_rectangle (fb, pipeline,
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x * QUAD_WIDTH,
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y * QUAD_WIDTH,
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x * QUAD_WIDTH + QUAD_WIDTH,
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y * QUAD_WIDTH + QUAD_WIDTH);
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test_utils_check_pixel (fb, x * QUAD_WIDTH + QUAD_WIDTH / 2, y * QUAD_WIDTH + QUAD_WIDTH / 2, expected_result);
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}
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static void
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on_paint (ClutterActor *actor, TestState *state)
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void
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test_premult (void)
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{
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CoglHandle tex;
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guchar *tex_data;
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CoglPipeline *pipeline;
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CoglHandle material;
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CoglTexture *tex;
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cogl_framebuffer_orthographic (fb, 0, 0,
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cogl_framebuffer_get_width (fb),
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cogl_framebuffer_get_height (fb),
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-1,
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100);
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cogl_framebuffer_clear4f (fb,
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COGL_BUFFER_BIT_COLOR,
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1.0f, 1.0f, 1.0f, 1.0f);
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/* Legacy */
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material = cogl_material_new ();
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cogl_material_set_blend (material,
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"RGBA = ADD (SRC_COLOR, 0)", NULL);
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cogl_material_set_layer_combine (material, 0,
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"RGBA = REPLACE (TEXTURE)", NULL);
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/* New API */
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pipeline = cogl_pipeline_new (ctx);
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cogl_pipeline_set_blend (pipeline,
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"RGBA = ADD (SRC_COLOR, 0)", NULL);
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cogl_pipeline_set_layer_combine (pipeline, 0,
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"RGBA = REPLACE (TEXTURE)", NULL);
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/* If the user explicitly specifies an unmultiplied internal format then
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* Cogl shouldn't automatically premultiply the given texture data... */
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@ -104,9 +145,9 @@ on_paint (ClutterActor *actor, TestState *state)
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tex = make_texture (0xff00ff80,
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COGL_PIXEL_FORMAT_RGBA_8888, /* src format */
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COGL_PIXEL_FORMAT_RGBA_8888); /* internal format */
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check_texture (state, 0, 0, /* position */
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tex,
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0xff00ff80); /* expected */
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check_texture (pipeline, material, 0, 0, /* position */
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tex,
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0xff00ff80); /* expected */
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/* If the user explicitly requests a premultiplied internal format and
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* gives unmultiplied src data then Cogl should always premultiply that
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@ -117,9 +158,9 @@ on_paint (ClutterActor *actor, TestState *state)
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tex = make_texture (0xff00ff80,
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COGL_PIXEL_FORMAT_RGBA_8888, /* src format */
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COGL_PIXEL_FORMAT_RGBA_8888_PRE); /* internal format */
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check_texture (state, 1, 0, /* position */
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tex,
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0x80008080); /* expected */
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check_texture (pipeline, material, 1, 0, /* position */
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tex,
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0x80008080); /* expected */
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/* If the user gives COGL_PIXEL_FORMAT_ANY for the internal format then
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* by default Cogl should premultiply the given texture data...
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@ -131,9 +172,9 @@ on_paint (ClutterActor *actor, TestState *state)
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tex = make_texture (0xff00ff80,
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COGL_PIXEL_FORMAT_RGBA_8888, /* src format */
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COGL_PIXEL_FORMAT_ANY); /* internal format */
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check_texture (state, 2, 0, /* position */
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tex,
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0x80008080); /* expected */
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check_texture (pipeline, material, 2, 0, /* position */
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tex,
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0x80008080); /* expected */
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/* If the user requests a premultiplied internal texture format and supplies
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* premultiplied source data, Cogl should never modify that source data...
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@ -145,9 +186,9 @@ on_paint (ClutterActor *actor, TestState *state)
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tex = make_texture (0x80008080,
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COGL_PIXEL_FORMAT_RGBA_8888_PRE, /* src format */
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COGL_PIXEL_FORMAT_RGBA_8888_PRE); /* internal format */
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check_texture (state, 3, 0, /* position */
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tex,
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0x80008080); /* expected */
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check_texture (pipeline, material, 3, 0, /* position */
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tex,
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0x80008080); /* expected */
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/* If the user requests an unmultiplied internal texture format, but
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* supplies premultiplied source data, then Cogl should always
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@ -158,9 +199,9 @@ on_paint (ClutterActor *actor, TestState *state)
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tex = make_texture (0x80008080,
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COGL_PIXEL_FORMAT_RGBA_8888_PRE, /* src format */
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COGL_PIXEL_FORMAT_RGBA_8888); /* internal format */
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check_texture (state, 4, 0, /* position */
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tex,
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0xff00ff80); /* expected */
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check_texture (pipeline, material, 4, 0, /* position */
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tex,
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0xff00ff80); /* expected */
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/* If the user allows any internal texture format and provides premultipled
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* source data then by default Cogl shouldn't modify the source data...
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@ -172,9 +213,9 @@ on_paint (ClutterActor *actor, TestState *state)
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tex = make_texture (0x80008080,
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COGL_PIXEL_FORMAT_RGBA_8888_PRE, /* src format */
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COGL_PIXEL_FORMAT_ANY); /* internal format */
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check_texture (state, 5, 0, /* position */
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tex,
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0x80008080); /* expected */
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check_texture (pipeline, material, 5, 0, /* position */
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tex,
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0x80008080); /* expected */
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/*
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* Test cogl_texture_set_region() ....
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@ -188,18 +229,10 @@ on_paint (ClutterActor *actor, TestState *state)
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COGL_PIXEL_FORMAT_RGBA_8888); /* internal format */
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if (cogl_test_verbose ())
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g_print ("set_region (0xff00ff80, RGBA_8888)\n");
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tex_data = gen_tex_data (0xff00ff80);
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cogl_texture_set_region (tex,
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0, 0, /* src x, y */
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0, 0, /* dst x, y */
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QUAD_WIDTH, QUAD_WIDTH, /* dst width, height */
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QUAD_WIDTH, QUAD_WIDTH, /* src width, height */
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COGL_PIXEL_FORMAT_RGBA_8888,
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0, /* auto compute row stride */
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tex_data);
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check_texture (state, 6, 0, /* position */
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tex,
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0xff00ff80); /* expected */
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set_region (tex, 0xff00ff80, COGL_PIXEL_FORMAT_RGBA_8888);
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check_texture (pipeline, material, 6, 0, /* position */
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tex,
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0xff00ff80); /* expected */
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/* Updating a texture region for an unmultiplied texture using premultiplied
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* region data should result in Cogl unmultiplying the given region data...
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@ -212,18 +245,10 @@ on_paint (ClutterActor *actor, TestState *state)
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COGL_PIXEL_FORMAT_RGBA_8888); /* internal format */
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if (cogl_test_verbose ())
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g_print ("set_region (0x80008080, RGBA_8888_PRE)\n");
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tex_data = gen_tex_data (0x80008080);
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cogl_texture_set_region (tex,
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0, 0, /* src x, y */
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0, 0, /* dst x, y */
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QUAD_WIDTH, QUAD_WIDTH, /* dst width, height */
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QUAD_WIDTH, QUAD_WIDTH, /* src width, height */
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COGL_PIXEL_FORMAT_RGBA_8888_PRE,
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0, /* auto compute row stride */
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tex_data);
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check_texture (state, 7, 0, /* position */
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tex,
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0xff00ff80); /* expected */
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set_region (tex, 0x80008080, COGL_PIXEL_FORMAT_RGBA_8888_PRE);
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check_texture (pipeline, material, 7, 0, /* position */
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tex,
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0xff00ff80); /* expected */
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if (cogl_test_verbose ())
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@ -235,18 +260,10 @@ on_paint (ClutterActor *actor, TestState *state)
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COGL_PIXEL_FORMAT_RGBA_8888_PRE); /* internal format */
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if (cogl_test_verbose ())
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g_print ("set_region (0x80008080, RGBA_8888_PRE)\n");
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tex_data = gen_tex_data (0x80008080);
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cogl_texture_set_region (tex,
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0, 0, /* src x, y */
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0, 0, /* dst x, y */
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QUAD_WIDTH, QUAD_WIDTH, /* dst width, height */
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QUAD_WIDTH, QUAD_WIDTH, /* src width, height */
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COGL_PIXEL_FORMAT_RGBA_8888_PRE,
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0, /* auto compute row stride */
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tex_data);
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check_texture (state, 8, 0, /* position */
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tex,
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0x80008080); /* expected */
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set_region (tex, 0x80008080, COGL_PIXEL_FORMAT_RGBA_8888_PRE);
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check_texture (pipeline, material, 8, 0, /* position */
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tex,
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0x80008080); /* expected */
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/* Updating a texture region for a premultiplied texture using unmultiplied
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@ -261,66 +278,11 @@ on_paint (ClutterActor *actor, TestState *state)
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COGL_PIXEL_FORMAT_RGBA_8888_PRE); /* internal format */
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if (cogl_test_verbose ())
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g_print ("set_region (0xff00ff80, RGBA_8888)\n");
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tex_data = gen_tex_data (0xff00ff80);
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cogl_texture_set_region (tex,
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0, 0, /* src x, y */
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0, 0, /* dst x, y */
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QUAD_WIDTH, QUAD_WIDTH, /* dst width, height */
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QUAD_WIDTH, QUAD_WIDTH, /* src width, height */
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COGL_PIXEL_FORMAT_RGBA_8888,
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0, /* auto compute row stride */
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tex_data);
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check_texture (state, 9, 0, /* position */
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tex,
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0x80008080); /* expected */
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set_region (tex, 0xff00ff80, COGL_PIXEL_FORMAT_RGBA_8888);
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check_texture (pipeline, material, 9, 0, /* position */
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tex,
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0x80008080); /* expected */
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/* Comment this out if you want visual feedback for what this test paints */
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clutter_main_quit ();
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}
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static gboolean
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queue_redraw (gpointer stage)
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{
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clutter_actor_queue_redraw (CLUTTER_ACTOR (stage));
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return TRUE;
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}
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void
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test_premult (TestUtilsGTestFixture *fixture,
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void *data)
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{
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TestState state;
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ClutterActor *stage;
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ClutterActor *group;
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unsigned int idle_source;
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state.passthrough_material = cogl_material_new ();
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cogl_material_set_blend (state.passthrough_material,
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"RGBA = ADD (SRC_COLOR, 0)", NULL);
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cogl_material_set_layer_combine (state.passthrough_material, 0,
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"RGBA = REPLACE (TEXTURE)", NULL);
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stage = clutter_stage_get_default ();
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clutter_stage_set_color (CLUTTER_STAGE (stage), &stage_color);
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clutter_actor_get_geometry (stage, &state.stage_geom);
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group = clutter_group_new ();
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clutter_container_add_actor (CLUTTER_CONTAINER (stage), group);
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/* We force continuous redrawing incase someone comments out the
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* clutter_main_quit and wants visual feedback for the test since we
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* wont be doing anything else that will trigger redrawing. */
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idle_source = g_idle_add (queue_redraw, stage);
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g_signal_connect (group, "paint", G_CALLBACK (on_paint), &state);
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clutter_actor_show_all (stage);
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clutter_main ();
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g_source_remove (idle_source);
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if (cogl_test_verbose ())
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g_print ("OK\n");
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