diff --git a/testsuite/gdk/memorytexture.c b/testsuite/gdk/memorytexture.c index ea24c827e3..49f7159965 100644 --- a/testsuite/gdk/memorytexture.c +++ b/testsuite/gdk/memorytexture.c @@ -1,9 +1,6 @@ #include #include -/* maximum bytes per pixel */ -#define MAX_BPP 4 - typedef enum { BLUE, GREEN, @@ -13,7 +10,7 @@ typedef enum { N_COLORS } Color; -const char * color_names[N_COLORS] = { +static const char * color_names[N_COLORS] = { "blue", "green", "red", @@ -21,37 +18,310 @@ const char * color_names[N_COLORS] = { "almost_opaque_rebeccapurple" }; -typedef struct _MemoryData { - gsize bytes_per_pixel; - guint opaque : 1; - guchar data[N_COLORS][MAX_BPP]; -} MemoryData; +static const GdkRGBA colors[N_COLORS] = { + { 0.0, 0.0, 1.0, 1.0 }, + { 0.0, 1.0, 0.0, 1.0 }, + { 1.0, 0.0, 0.0, 1.0 }, + { 0.0, 0.0, 0.0, 0.0 }, + { 0.4, 0.2, 0.6, 2.f/3.f }, +}; -typedef struct _TestData { +typedef struct _TextureBuilder TextureBuilder; +typedef struct _TestData TestData; + +struct _TextureBuilder +{ + GdkMemoryFormat format; + int width; + int height; + + guchar *pixels; + gsize stride; + gsize offset; +}; + +struct _TestData +{ GdkMemoryFormat format; Color color; -} TestData; - -#define RGBA(a, b, c, d) { 0x ## a, 0x ## b, 0x ## c, 0x ## d } - -static MemoryData tests[GDK_MEMORY_N_FORMATS] = { - { 4, FALSE, { RGBA(FF,00,00,FF), RGBA(00,FF,00,FF), RGBA(00,00,FF,FF), RGBA(00,00,00,00), RGBA(66,22,44,AA) } }, - { 4, FALSE, { RGBA(FF,00,00,FF), RGBA(FF,00,FF,00), RGBA(FF,FF,00,00), RGBA(00,00,00,00), RGBA(AA,44,22,66) } }, - { 4, FALSE, { RGBA(00,00,FF,FF), RGBA(00,FF,00,FF), RGBA(FF,00,00,FF), RGBA(00,00,00,00), RGBA(44,22,66,AA) } }, - { 4, FALSE, { RGBA(FF,00,00,FF), RGBA(00,FF,00,FF), RGBA(00,00,FF,FF), RGBA(00,00,00,00), RGBA(99,33,66,AA) } }, - { 4, FALSE, { RGBA(FF,00,00,FF), RGBA(FF,00,FF,00), RGBA(FF,FF,00,00), RGBA(00,00,00,00), RGBA(AA,66,33,99) } }, - { 4, FALSE, { RGBA(00,00,FF,FF), RGBA(00,FF,00,FF), RGBA(FF,00,00,FF), RGBA(00,00,00,00), RGBA(66,33,99,AA) } }, - { 4, FALSE, { RGBA(FF,FF,00,00), RGBA(FF,00,FF,00), RGBA(FF,00,00,FF), RGBA(00,00,00,00), RGBA(AA,99,33,66) } }, - { 3, TRUE, { RGBA(00,00,FF,00), RGBA(00,FF,00,00), RGBA(FF,00,00,00), RGBA(00,00,00,00), RGBA(44,22,66,00) } }, - { 3, TRUE, { RGBA(FF,00,00,00), RGBA(00,FF,00,00), RGBA(00,00,FF,00), RGBA(00,00,00,00), RGBA(66,22,44,00) } }, }; +static gsize +gdk_memory_format_bytes_per_pixel (GdkMemoryFormat format) +{ + switch (format) + { + case GDK_MEMORY_R8G8B8: + case GDK_MEMORY_B8G8R8: + return 3; + + case GDK_MEMORY_B8G8R8A8_PREMULTIPLIED: + case GDK_MEMORY_A8R8G8B8_PREMULTIPLIED: + case GDK_MEMORY_R8G8B8A8_PREMULTIPLIED: + case GDK_MEMORY_B8G8R8A8: + case GDK_MEMORY_A8R8G8B8: + case GDK_MEMORY_R8G8B8A8: + case GDK_MEMORY_A8B8G8R8: + return 4; + + case GDK_MEMORY_R16G16B16: + case GDK_MEMORY_R16G16B16_FLOAT: + return 6; + + case GDK_MEMORY_R16G16B16A16_PREMULTIPLIED: + case GDK_MEMORY_R16G16B16A16_FLOAT_PREMULTIPLIED: + return 8; + + case GDK_MEMORY_R32G32B32_FLOAT: + return 12; + + case GDK_MEMORY_R32G32B32A32_FLOAT_PREMULTIPLIED: + return 16; + + case GDK_MEMORY_N_FORMATS: + default: + g_assert_not_reached (); + return 4; + } +} + +static gboolean +gdk_memory_format_has_alpha (GdkMemoryFormat format) +{ + switch (format) + { + case GDK_MEMORY_R8G8B8: + case GDK_MEMORY_B8G8R8: + case GDK_MEMORY_R16G16B16: + case GDK_MEMORY_R16G16B16_FLOAT: + case GDK_MEMORY_R32G32B32_FLOAT: + return FALSE; + + case GDK_MEMORY_B8G8R8A8_PREMULTIPLIED: + case GDK_MEMORY_A8R8G8B8_PREMULTIPLIED: + case GDK_MEMORY_R8G8B8A8_PREMULTIPLIED: + case GDK_MEMORY_B8G8R8A8: + case GDK_MEMORY_A8R8G8B8: + case GDK_MEMORY_R8G8B8A8: + case GDK_MEMORY_A8B8G8R8: + case GDK_MEMORY_R16G16B16A16_PREMULTIPLIED: + case GDK_MEMORY_R16G16B16A16_FLOAT_PREMULTIPLIED: + case GDK_MEMORY_R32G32B32A32_FLOAT_PREMULTIPLIED: + return TRUE; + + case GDK_MEMORY_N_FORMATS: + default: + g_assert_not_reached (); + return TRUE; + } +} + +static void +texture_builder_init (TextureBuilder *builder, + GdkMemoryFormat format, + int width, + int height) +{ + gsize extra_stride; + + builder->format = format; + builder->width = width; + builder->height = height; + + extra_stride = g_test_rand_bit() ? g_test_rand_int_range (0, 16) : 0; + builder->offset = g_test_rand_bit() ? g_test_rand_int_range (0, 128) : 0; + builder->stride = width * gdk_memory_format_bytes_per_pixel (format) + extra_stride; + builder->pixels = g_malloc0 (builder->offset + builder->stride * height); +} + +static GdkTexture * +texture_builder_finish (TextureBuilder *builder) +{ + GBytes *bytes; + GdkTexture *texture; + + bytes = g_bytes_new_with_free_func (builder->pixels + builder->offset, + builder->height * builder->stride, + g_free, + builder->pixels); + texture = gdk_memory_texture_new (builder->width, + builder->height, + builder->format, + bytes, + builder->stride); + g_bytes_unref (bytes); + + return texture; +} + +static inline void +set_pixel_u8 (guchar *data, + int r, + int g, + int b, + int a, + gboolean premultiply, + const GdkRGBA *color) +{ + if (a >= 0) + data[a] = CLAMP (color->alpha * 256.f, 0.f, 255.f); + if (premultiply) + { + data[r] = CLAMP (color->red * color->alpha * 256.f, 0.f, 255.f); + data[g] = CLAMP (color->green * color->alpha * 256.f, 0.f, 255.f); + data[b] = CLAMP (color->blue * color->alpha * 256.f, 0.f, 255.f); + } + else + { + data[r] = CLAMP (color->red * 256.f, 0.f, 255.f); + data[g] = CLAMP (color->green * 256.f, 0.f, 255.f); + data[b] = CLAMP (color->blue * 256.f, 0.f, 255.f); + } +} + +static inline guint16 +float_to_half (const float x) +{ + const guint b = *(guint*)&x+0x00001000; // round-to-nearest-even + const guint e = (b&0x7F800000)>>23; // exponent + const guint m = b&0x007FFFFF; // mantissa + return (b&0x80000000)>>16 | (e>112)*((((e-112)<<10)&0x7C00)|m>>13) | ((e<113)&(e>101))*((((0x007FF000+m)>>(125-e))+1)>>1) | (e>143)*0x7FFF; // sign : normalized : denormalized : saturate +} + +static void +texture_builder_set_pixel (TextureBuilder *builder, + int x, + int y, + const GdkRGBA *color) +{ + guchar *data; + + g_assert_cmpint (x, >=, 0); + g_assert_cmpint (x, <, builder->width); + g_assert_cmpint (y, >=, 0); + g_assert_cmpint (y, <, builder->height); + + data = builder->pixels + + builder->offset + + y * builder->stride + + x * gdk_memory_format_bytes_per_pixel (builder->format); + + switch (builder->format) + { + case GDK_MEMORY_B8G8R8A8_PREMULTIPLIED: + set_pixel_u8 (data, 2, 1, 0, 3, TRUE, color); + break; + case GDK_MEMORY_A8R8G8B8_PREMULTIPLIED: + set_pixel_u8 (data, 1, 2, 3, 0, TRUE, color); + break; + case GDK_MEMORY_R8G8B8A8_PREMULTIPLIED: + set_pixel_u8 (data, 0, 1, 2, 3, TRUE, color); + break; + case GDK_MEMORY_B8G8R8A8: + set_pixel_u8 (data, 2, 1, 0, 3, FALSE, color); + break; + case GDK_MEMORY_A8R8G8B8: + set_pixel_u8 (data, 1, 2, 3, 0, FALSE, color); + break; + case GDK_MEMORY_R8G8B8A8: + set_pixel_u8 (data, 0, 1, 2, 3, FALSE, color); + break; + case GDK_MEMORY_A8B8G8R8: + set_pixel_u8 (data, 3, 2, 1, 0, FALSE, color); + break; + case GDK_MEMORY_R8G8B8: + set_pixel_u8 (data, 0, 1, 2, -1, TRUE, color); + break; + case GDK_MEMORY_B8G8R8: + set_pixel_u8 (data, 2, 1, 0, -1, TRUE, color); + break; + case GDK_MEMORY_R16G16B16: + { + guint16 pixels[3] = { + CLAMP (color->red * color->alpha * 65536.f, 0, 65535.f), + CLAMP (color->green * color->alpha * 65536.f, 0, 65535.f), + CLAMP (color->blue * color->alpha * 65536.f, 0, 65535.f), + }; + memcpy (data, pixels, 3 * sizeof (guint16)); + } + break; + case GDK_MEMORY_R16G16B16A16_PREMULTIPLIED: + { + guint16 pixels[4] = { + CLAMP (color->red * color->alpha * 65536.f, 0, 65535.f), + CLAMP (color->green * color->alpha * 65536.f, 0, 65535.f), + CLAMP (color->blue * color->alpha * 65536.f, 0, 65535.f), + CLAMP (color->alpha * 65536.f, 0, 65535.f), + }; + memcpy (data, pixels, 4 * sizeof (guint16)); + } + break; + case GDK_MEMORY_R16G16B16_FLOAT: + { + guint16 pixels[3] = { + float_to_half (color->red * color->alpha), + float_to_half (color->green * color->alpha), + float_to_half (color->blue * color->alpha) + }; + memcpy (data, pixels, 3 * sizeof (guint16)); + } + break; + case GDK_MEMORY_R16G16B16A16_FLOAT_PREMULTIPLIED: + { + guint16 pixels[4] = { + float_to_half (color->red * color->alpha), + float_to_half (color->green * color->alpha), + float_to_half (color->blue * color->alpha), + float_to_half (color->alpha) + }; + memcpy (data, pixels, 4 * sizeof (guint16)); + } + break; + case GDK_MEMORY_R32G32B32_FLOAT: + { + float pixels[3] = { + color->red * color->alpha, + color->green * color->alpha, + color->blue * color->alpha + }; + memcpy (data, pixels, 3 * sizeof (float)); + } + break; + case GDK_MEMORY_R32G32B32A32_FLOAT_PREMULTIPLIED: + { + float pixels[4] = { + color->red * color->alpha, + color->green * color->alpha, + color->blue * color->alpha, + color->alpha + }; + memcpy (data, pixels, 4 * sizeof (float)); + } + break; + case GDK_MEMORY_N_FORMATS: + default: + g_assert_not_reached (); + break; + } +} + +static void +texture_builder_fill (TextureBuilder *builder, + const GdkRGBA *color) +{ + int x, y; + + for (y = 0; y < builder->height; y++) + for (x = 0; x < builder->width; x++) + texture_builder_set_pixel (builder, x, y, color); +} + static void compare_textures (GdkTexture *expected, GdkTexture *test, - gboolean ignore_alpha) + gboolean has_alpha) { - guchar *expected_data, *test_data; + guint32 *expected_data, *test_data; int width, height; int x, y; @@ -61,20 +331,20 @@ compare_textures (GdkTexture *expected, width = gdk_texture_get_width (expected); height = gdk_texture_get_height (expected); - expected_data = g_malloc (width * height * 4); - gdk_texture_download (expected, expected_data, width * 4); + expected_data = g_new (guint32, width * height); + gdk_texture_download (expected, (guchar *) expected_data, width * 4); - test_data = g_malloc (width * height * 4); - gdk_texture_download (test, test_data, width * 4); + test_data = g_new (guint32, width * height); + gdk_texture_download (test, (guchar *) test_data, width * 4); for (y = 0; y < height; y++) { for (x = 0; x < width; x++) { - if (ignore_alpha) - g_assert_cmphex (*(guint32 *) &expected_data[y * width + x * 4] & 0xFFFFFF, ==, *(guint32 *) &test_data[y * width + x * 4] & 0xFFFFFF); + if (has_alpha) + g_assert_cmphex (expected_data[y * width + x], ==, test_data[y * width + x]); else - g_assert_cmphex (*(guint32 *) &expected_data[y * width + x * 4], ==, *(guint32 *) &test_data[y * width + x * 4]); + g_assert_cmphex (expected_data[y * width + x] | 0xFF000000, ==, test_data[y * width + x]); } } @@ -84,33 +354,16 @@ compare_textures (GdkTexture *expected, static GdkTexture * create_texture (GdkMemoryFormat format, - Color color, int width, int height, - gsize stride) + const GdkRGBA *color) { - GdkTexture *texture; - GBytes *bytes; - guchar *data; - int x, y; + TextureBuilder builder; - data = g_malloc (height * MAX (stride, tests[format].bytes_per_pixel)); - for (y = 0; y < height; y++) - for (x = 0; x < width; x++) - { - memcpy (&data[y * stride + x * tests[format].bytes_per_pixel], - &tests[format].data[color], - tests[format].bytes_per_pixel); - } + texture_builder_init (&builder, format, width, height); + texture_builder_fill (&builder, color); - bytes = g_bytes_new_take (data, height * MAX (stride, tests[format].bytes_per_pixel)); - texture = gdk_memory_texture_new (width, height, - format, - bytes, - stride); - g_bytes_unref (bytes); - - return texture; + return texture_builder_finish (&builder); } static void @@ -119,25 +372,10 @@ test_download_1x1 (gconstpointer data) const TestData *test_data = data; GdkTexture *expected, *test; - expected = create_texture (GDK_MEMORY_DEFAULT, test_data->color, 1, 1, tests[test_data->format].bytes_per_pixel); - test = create_texture (test_data->format, test_data->color, 1, 1, tests[test_data->format].bytes_per_pixel); + expected = create_texture (GDK_MEMORY_DEFAULT, 1, 1, &colors[test_data->color]); + test = create_texture (test_data->format, 1, 1, &colors[test_data->color]); - compare_textures (expected, test, tests[test_data->format].opaque); - - g_object_unref (expected); - g_object_unref (test); -} - -static void -test_download_1x1_with_stride (gconstpointer data) -{ - const TestData *test_data = data; - GdkTexture *expected, *test; - - expected = create_texture (GDK_MEMORY_DEFAULT, test_data->color, 1, 1, 4); - test = create_texture (test_data->format, test_data->color, 1, 1, 2 * MAX_BPP); - - compare_textures (expected, test, tests[test_data->format].opaque); + compare_textures (expected, test, gdk_memory_format_has_alpha (test_data->format)); g_object_unref (expected); g_object_unref (test); @@ -149,39 +387,23 @@ test_download_4x4 (gconstpointer data) const TestData *test_data = data; GdkTexture *expected, *test; - expected = create_texture (GDK_MEMORY_DEFAULT, test_data->color, 4, 4, 16); - test = create_texture (test_data->format, test_data->color, 4, 4, 4 * tests[test_data->format].bytes_per_pixel); + expected = create_texture (GDK_MEMORY_DEFAULT, 4, 4, &colors[test_data->color]); + test = create_texture (test_data->format, 4, 4, &colors[test_data->color]); - compare_textures (expected, test, tests[test_data->format].opaque); + compare_textures (expected, test, gdk_memory_format_has_alpha (test_data->format)); g_object_unref (expected); g_object_unref (test); } static void -test_download_4x4_with_stride (gconstpointer data) -{ - const TestData *test_data = data; - GdkTexture *expected, *test; - - expected = create_texture (GDK_MEMORY_DEFAULT, test_data->color, 4, 4, 16); - test = create_texture (test_data->format, test_data->color, 4, 4, 4 * MAX_BPP); - - compare_textures (expected, test, tests[test_data->format].opaque); - - g_object_unref (expected); - g_object_unref (test); -} - -int -main (int argc, char *argv[]) +add_test (const char *name, + GTestDataFunc func) { GdkMemoryFormat format; Color color; GEnumClass *enum_class; - (g_test_init) (&argc, &argv, NULL); - enum_class = g_type_class_ref (GDK_TYPE_MEMORY_FORMAT); for (format = 0; format < GDK_MEMORY_N_FORMATS; format++) @@ -189,42 +411,25 @@ main (int argc, char *argv[]) for (color = 0; color < N_COLORS; color++) { TestData *test_data = g_new (TestData, 1); - char *test_name = g_strdup_printf ("/memorytexture/download_1x1/%s/%s", + char *test_name = g_strdup_printf ("%s/%s/%s", + name, g_enum_get_value (enum_class, format)->value_nick, color_names[color]); test_data->format = format; test_data->color = color; g_test_add_data_func_full (test_name, test_data, test_download_1x1, g_free); g_free (test_name); - - test_data = g_new (TestData, 1); - test_name = g_strdup_printf ("/memorytexture/download_1x1_with_stride/%s/%s", - g_enum_get_value (enum_class, format)->value_nick, - color_names[color]); - test_data->format = format; - test_data->color = color; - g_test_add_data_func_full (test_name, test_data, test_download_1x1_with_stride, g_free); - g_free (test_name); - - test_data = g_new (TestData, 1); - test_name = g_strdup_printf ("/memorytexture/download_4x4/%s/%s", - g_enum_get_value (enum_class, format)->value_nick, - color_names[color]); - test_data->format = format; - test_data->color = color; - g_test_add_data_func_full (test_name, test_data, test_download_4x4, g_free); - g_free (test_name); - - test_data = g_new (TestData, 1); - test_name = g_strdup_printf ("/memorytexture/download_4x4_with_stride/%s/%s", - g_enum_get_value (enum_class, format)->value_nick, - color_names[color]); - test_data->format = format; - test_data->color = color; - g_test_add_data_func_full (test_name, test_data, test_download_4x4_with_stride, g_free); - g_free (test_name); } } +} + +int +main (int argc, char *argv[]) +{ + (g_test_init) (&argc, &argv, NULL); + + add_test ("/memorytexture/download_1x1", test_download_1x1); + add_test ("/memorytexture/download_4x4", test_download_4x4); return g_test_run (); }