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6436cd073d
This declares the interface types CoglFramebuffer, CoglBuffer, CoglTexture, CoglMetaTexture and CoglPrimitiveTexture as void when including the public cogl.h header so that users don't have to use lots of C type casts between instance types and interface types. This also removes all of the COGL_XYZ() type cast macros since they do nothing more than compile time type casting but it's less readable if you haven't seen that coding pattern before. Unlike with gobject based apis that use per-type macros for casting and performing runtime type checking we instead prefer to do our runtime type checking internally within the front-end public apis when objects are passed into Cogl. This greatly reduces the verbosity for users of the api and may help reduce the chance of excessive runtime type checking that can sometimes be a problem. (cherry picked from commit 248a76f5eac7e5ae4fb45208577f9a55360812a7) Since we can't break the 1.x api this version of the patch actually defines compatible NOP macros within deprecated/cogl-type-casts.h
291 lines
10 KiB
C
291 lines
10 KiB
C
#include <cogl/cogl.h>
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#include <string.h>
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#include "test-utils.h"
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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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#define BLUE 2
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#define ALPHA 3
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#define MASK_RED(COLOR) ((COLOR & 0xff000000) >> 24)
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#define MASK_GREEN(COLOR) ((COLOR & 0xff0000) >> 16)
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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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static guchar *
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gen_tex_data (uint32_t color)
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{
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guchar *tex_data, *p;
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uint8_t r = MASK_RED (color);
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uint8_t g = MASK_GREEN (color);
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uint8_t b = MASK_BLUE (color);
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uint8_t a = MASK_ALPHA (color);
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tex_data = g_malloc (QUAD_WIDTH * QUAD_WIDTH * 4);
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for (p = tex_data + QUAD_WIDTH * QUAD_WIDTH * 4; p > tex_data;)
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{
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*(--p) = a;
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*(--p) = b;
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*(--p) = g;
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*(--p) = r;
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}
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return tex_data;
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}
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static CoglTexture *
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make_texture (uint32_t color,
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CoglPixelFormat src_format,
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CoglPixelFormat internal_format)
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{
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CoglTexture2D *tex_2d;
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guchar *tex_data = gen_tex_data (color);
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tex_2d = cogl_texture_2d_new_from_data (test_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_2d;
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}
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static void
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set_region (CoglTexture *tex,
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uint32_t color,
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CoglPixelFormat format)
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{
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guchar *tex_data = gen_tex_data (color);
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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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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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uint32_t expected_result)
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{
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/* Legacy */
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cogl_push_framebuffer (test_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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test_utils_check_pixel (test_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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/* New API */
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cogl_pipeline_set_layer_texture (pipeline, 0, tex);
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cogl_framebuffer_draw_rectangle (test_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 (test_fb, x * QUAD_WIDTH + QUAD_WIDTH / 2, y * QUAD_WIDTH + QUAD_WIDTH / 2, expected_result);
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}
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void
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test_premult (void)
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{
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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 (test_fb, 0, 0,
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cogl_framebuffer_get_width (test_fb),
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cogl_framebuffer_get_height (test_fb),
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-1,
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100);
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cogl_framebuffer_clear4f (test_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 (test_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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if (cogl_test_verbose ())
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g_print ("make_texture (0xff00ff80, "
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"src = RGBA_8888, internal = RGBA_8888)\n");
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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 (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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* for us */
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if (cogl_test_verbose ())
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g_print ("make_texture (0xff00ff80, "
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"src = RGBA_8888, internal = RGBA_8888_PRE)\n");
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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 (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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* (In the future there will be additional Cogl API to control this
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* behaviour) */
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if (cogl_test_verbose ())
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g_print ("make_texture (0xff00ff80, "
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"src = RGBA_8888, internal = ANY)\n");
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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 (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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*/
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if (cogl_test_verbose ())
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g_print ("make_texture (0x80008080, "
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"src = RGBA_8888_PRE, "
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"internal = RGBA_8888_PRE)\n");
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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 (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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* un-premultiply the source data... */
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if (cogl_test_verbose ())
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g_print ("make_texture (0x80008080, "
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"src = RGBA_8888_PRE, internal = RGBA_8888)\n");
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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 (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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* (In the future there will be additional Cogl API to control this
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* behaviour) */
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if (cogl_test_verbose ())
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g_print ("make_texture (0x80008080, "
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"src = RGBA_8888_PRE, internal = ANY)\n");
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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 (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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*/
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if (cogl_test_verbose ())
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g_print ("make_texture (0xDEADBEEF, "
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"src = RGBA_8888, internal = RGBA_8888)\n");
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tex = make_texture (0xDEADBEEF,
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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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if (cogl_test_verbose ())
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g_print ("set_region (0xff00ff80, RGBA_8888)\n");
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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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*/
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if (cogl_test_verbose ())
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g_print ("make_texture (0xDEADBEEF, "
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"src = RGBA_8888, internal = RGBA_8888)\n");
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tex = make_texture (0xDEADBEEF,
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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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if (cogl_test_verbose ())
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g_print ("set_region (0x80008080, RGBA_8888_PRE)\n");
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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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g_print ("make_texture (0xDEADBEEF, "
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"src = RGBA_8888_PRE, "
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"internal = RGBA_8888_PRE)\n");
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tex = make_texture (0xDEADBEEF,
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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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if (cogl_test_verbose ())
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g_print ("set_region (0x80008080, RGBA_8888_PRE)\n");
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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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* region data should result in Cogl premultiplying the given region data...
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*/
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if (cogl_test_verbose ())
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g_print ("make_texture (0xDEADBEEF, "
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"src = RGBA_8888_PRE, "
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"internal = RGBA_8888_PRE)\n");
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tex = make_texture (0xDEADBEEF,
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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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if (cogl_test_verbose ())
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g_print ("set_region (0xff00ff80, RGBA_8888)\n");
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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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if (cogl_test_verbose ())
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g_print ("OK\n");
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}
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