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54f9bebeb8
CoglMatrix.get_array() returns the column-major CoglMatrix itself, since the first fields of the matrix is effectively an array of floats, and we can just pretend it is. Of course, it basically ignores any C-specific type checking. WIP
819 lines
27 KiB
C
819 lines
27 KiB
C
#include <cogl/cogl.h>
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#include <string.h>
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#include "test-declarations.h"
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#include "test-utils.h"
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typedef struct _TestState
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{
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int fb_width, fb_height;
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} TestState;
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typedef void (* SnippetTestFunc) (TestState *state);
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static CoglPipeline *
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create_texture_pipeline (TestState *state)
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{
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CoglPipeline *pipeline;
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CoglTexture *tex;
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static const uint8_t tex_data[] =
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{
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0xff, 0x00, 0x00, 0xff, /* red */ 0x00, 0xff, 0x00, 0xff, /* green */
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0x00, 0x00, 0xff, 0xff, /* blue */ 0xff, 0xff, 0x00, 0xff, /* yellow */
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};
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tex = test_utils_texture_new_from_data (test_ctx,
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2, 2, /* width/height */
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TEST_UTILS_TEXTURE_NO_ATLAS,
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COGL_PIXEL_FORMAT_RGBA_8888_PRE,
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8, /* rowstride */
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tex_data);
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pipeline = cogl_pipeline_new (test_ctx);
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cogl_pipeline_set_layer_texture (pipeline, 0, tex);
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cogl_pipeline_set_layer_filters (pipeline, 0,
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COGL_PIPELINE_FILTER_NEAREST,
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COGL_PIPELINE_FILTER_NEAREST);
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cogl_object_unref (tex);
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return pipeline;
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}
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static void
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simple_fragment_snippet (TestState *state)
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{
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CoglPipeline *pipeline;
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CoglSnippet *snippet;
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/* Simple fragment snippet */
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pipeline = cogl_pipeline_new (test_ctx);
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cogl_pipeline_set_color4ub (pipeline, 255, 0, 0, 255);
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snippet = cogl_snippet_new (COGL_SNIPPET_HOOK_FRAGMENT,
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NULL, /* declarations */
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"cogl_color_out.g += 1.0;");
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cogl_pipeline_add_snippet (pipeline, snippet);
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cogl_object_unref (snippet);
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cogl_framebuffer_draw_rectangle (test_fb, pipeline, 0, 0, 10, 10);
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cogl_object_unref (pipeline);
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test_utils_check_pixel (test_fb, 5, 5, 0xffff00ff);
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}
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static void
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simple_vertex_snippet (TestState *state)
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{
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CoglPipeline *pipeline;
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CoglSnippet *snippet;
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/* Simple vertex snippet */
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pipeline = cogl_pipeline_new (test_ctx);
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cogl_pipeline_set_color4ub (pipeline, 255, 0, 0, 255);
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snippet = cogl_snippet_new (COGL_SNIPPET_HOOK_VERTEX,
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NULL,
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"cogl_color_out.b += 1.0;");
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cogl_pipeline_add_snippet (pipeline, snippet);
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cogl_object_unref (snippet);
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cogl_framebuffer_draw_rectangle (test_fb, pipeline, 10, 0, 20, 10);
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cogl_object_unref (pipeline);
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test_utils_check_pixel (test_fb, 15, 5, 0xff00ffff);
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}
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static void
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shared_uniform (TestState *state)
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{
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CoglPipeline *pipeline;
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CoglSnippet *snippet;
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int location;
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/* Snippets sharing a uniform across the vertex and fragment
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hooks */
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pipeline = cogl_pipeline_new (test_ctx);
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location = cogl_pipeline_get_uniform_location (pipeline, "a_value");
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cogl_pipeline_set_uniform_1f (pipeline, location, 0.25f);
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cogl_pipeline_set_color4ub (pipeline, 255, 0, 0, 255);
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snippet = cogl_snippet_new (COGL_SNIPPET_HOOK_VERTEX,
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"uniform float a_value;",
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"cogl_color_out.b += a_value;");
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cogl_pipeline_add_snippet (pipeline, snippet);
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cogl_object_unref (snippet);
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snippet = cogl_snippet_new (COGL_SNIPPET_HOOK_FRAGMENT,
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"uniform float a_value;",
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"cogl_color_out.b += a_value;");
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cogl_pipeline_add_snippet (pipeline, snippet);
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cogl_object_unref (snippet);
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cogl_framebuffer_draw_rectangle (test_fb,
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pipeline,
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20, 0, 30, 10);
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cogl_object_unref (pipeline);
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test_utils_check_pixel (test_fb, 25, 5, 0xff0080ff);
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}
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static void
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lots_snippets (TestState *state)
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{
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CoglPipeline *pipeline;
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CoglSnippet *snippet;
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int location;
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int i;
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/* Lots of snippets on one pipeline */
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pipeline = cogl_pipeline_new (test_ctx);
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cogl_pipeline_set_color4ub (pipeline, 0, 0, 0, 255);
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for (i = 0; i < 3; i++)
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{
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char letter = 'x' + i;
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char *uniform_name = g_strdup_printf ("%c_value", letter);
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char *declarations = g_strdup_printf ("uniform float %s;\n",
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uniform_name);
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char *code = g_strdup_printf ("cogl_color_out.%c = %s;\n",
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letter,
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uniform_name);
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location = cogl_pipeline_get_uniform_location (pipeline, uniform_name);
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cogl_pipeline_set_uniform_1f (pipeline, location, (i + 1) * 0.1f);
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snippet = cogl_snippet_new (COGL_SNIPPET_HOOK_FRAGMENT,
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declarations,
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code);
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cogl_pipeline_add_snippet (pipeline, snippet);
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cogl_object_unref (snippet);
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g_free (code);
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g_free (uniform_name);
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g_free (declarations);
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}
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cogl_framebuffer_draw_rectangle (test_fb, pipeline, 30, 0, 40, 10);
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cogl_object_unref (pipeline);
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test_utils_check_pixel (test_fb, 35, 5, 0x19334cff);
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}
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static void
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shared_variable_pre_post (TestState *state)
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{
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CoglPipeline *pipeline;
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CoglSnippet *snippet;
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/* Test that the pre string can declare variables used by the post
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string */
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pipeline = cogl_pipeline_new (test_ctx);
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cogl_pipeline_set_color4ub (pipeline, 255, 255, 255, 255);
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snippet = cogl_snippet_new (COGL_SNIPPET_HOOK_FRAGMENT,
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NULL, /* declarations */
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"cogl_color_out = redvec;");
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cogl_snippet_set_pre (snippet, "vec4 redvec = vec4 (1.0, 0.0, 0.0, 1.0);");
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cogl_pipeline_add_snippet (pipeline, snippet);
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cogl_object_unref (snippet);
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cogl_framebuffer_draw_rectangle (test_fb, pipeline, 40, 0, 50, 10);
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cogl_object_unref (pipeline);
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test_utils_check_pixel (test_fb, 45, 5, 0xff0000ff);
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}
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static void
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test_pipeline_caching (TestState *state)
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{
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CoglPipeline *pipeline;
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CoglSnippet *snippet;
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/* Check that the pipeline caching works when unrelated pipelines
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share snippets state. It's too hard to actually assert this in
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the conformance test but at least it should be possible to see by
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setting COGL_DEBUG=show-source to check whether this shader gets
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generated twice */
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snippet = cogl_snippet_new (COGL_SNIPPET_HOOK_FRAGMENT,
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"/* This comment should only be seen ONCE\n"
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" when COGL_DEBUG=show-source is TRUE\n"
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" even though it is used in two different\n"
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" unrelated pipelines */",
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"cogl_color_out = vec4 (0.0, 1.0, 0.0, 1.0);\n");
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pipeline = cogl_pipeline_new (test_ctx);
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cogl_pipeline_add_snippet (pipeline, snippet);
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cogl_framebuffer_draw_rectangle (test_fb, pipeline, 50, 0, 60, 10);
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cogl_object_unref (pipeline);
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pipeline = cogl_pipeline_new (test_ctx);
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cogl_pipeline_add_snippet (pipeline, snippet);
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cogl_framebuffer_draw_rectangle (test_fb, pipeline, 60, 0, 70, 10);
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cogl_object_unref (pipeline);
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cogl_object_unref (snippet);
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test_utils_check_pixel (test_fb, 55, 5, 0x00ff00ff);
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test_utils_check_pixel (test_fb, 65, 5, 0x00ff00ff);
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}
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static void
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test_replace_string (TestState *state)
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{
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CoglPipeline *pipeline;
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CoglSnippet *snippet;
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/* Check the replace string */
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snippet = cogl_snippet_new (COGL_SNIPPET_HOOK_FRAGMENT, NULL, NULL);
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cogl_snippet_set_pre (snippet,
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"cogl_color_out = vec4 (0.0, 0.5, 0.0, 1.0);");
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/* Remove the generated output. If the replace string isn't working
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then the code from the pre string would get overwritten with
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white */
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cogl_snippet_set_replace (snippet, "/* do nothing */");
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cogl_snippet_set_post (snippet,
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"cogl_color_out += vec4 (0.5, 0.0, 0.0, 1.0);");
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pipeline = cogl_pipeline_new (test_ctx);
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cogl_pipeline_add_snippet (pipeline, snippet);
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cogl_framebuffer_draw_rectangle (test_fb, pipeline, 70, 0, 80, 10);
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cogl_object_unref (pipeline);
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cogl_object_unref (snippet);
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test_utils_check_pixel (test_fb, 75, 5, 0x808000ff);
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}
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static void
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test_texture_lookup_hook (TestState *state)
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{
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CoglPipeline *pipeline;
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CoglSnippet *snippet;
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/* Check the texture lookup hook */
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snippet = cogl_snippet_new (COGL_SNIPPET_HOOK_TEXTURE_LOOKUP,
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NULL,
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"cogl_texel.b += 1.0;");
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/* Flip the texture coordinates around the y axis so that it will
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get the green texel */
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cogl_snippet_set_pre (snippet, "cogl_tex_coord.x = 1.0 - cogl_tex_coord.x;");
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pipeline = create_texture_pipeline (state);
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cogl_pipeline_add_layer_snippet (pipeline, 0, snippet);
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cogl_framebuffer_draw_textured_rectangle (test_fb,
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pipeline,
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80, 0, 90, 10,
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0, 0, 0, 0);
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cogl_object_unref (pipeline);
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cogl_object_unref (snippet);
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test_utils_check_pixel (test_fb, 85, 5, 0x00ffffff);
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}
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static void
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test_multiple_samples (TestState *state)
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{
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CoglPipeline *pipeline;
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CoglSnippet *snippet;
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/* Check that we can use the passed in sampler in the texture lookup
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to sample multiple times */
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snippet = cogl_snippet_new (COGL_SNIPPET_HOOK_TEXTURE_LOOKUP,
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NULL,
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NULL);
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cogl_snippet_set_replace (snippet,
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"cogl_texel = "
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"texture2D (cogl_sampler, vec2 (0.25, 0.25)) + "
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"texture2D (cogl_sampler, vec2 (0.75, 0.25));");
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pipeline = create_texture_pipeline (state);
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cogl_pipeline_add_layer_snippet (pipeline, 0, snippet);
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cogl_framebuffer_draw_rectangle (test_fb, pipeline, 0, 0, 10, 10);
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cogl_object_unref (pipeline);
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cogl_object_unref (snippet);
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test_utils_check_pixel (test_fb, 5, 5, 0xffff00ff);
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}
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static void
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test_replace_lookup_hook (TestState *state)
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{
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CoglPipeline *pipeline;
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CoglSnippet *snippet;
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/* Check replacing the texture lookup hook */
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snippet = cogl_snippet_new (COGL_SNIPPET_HOOK_TEXTURE_LOOKUP, NULL, NULL);
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cogl_snippet_set_replace (snippet, "cogl_texel = vec4 (0.0, 0.0, 1.0, 0.0);");
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pipeline = create_texture_pipeline (state);
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cogl_pipeline_add_layer_snippet (pipeline, 0, snippet);
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cogl_framebuffer_draw_textured_rectangle (test_fb,
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pipeline,
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90, 0, 100, 10,
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0, 0, 0, 0);
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cogl_object_unref (pipeline);
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cogl_object_unref (snippet);
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test_utils_check_pixel (test_fb, 95, 5, 0x0000ffff);
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}
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static void
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test_replace_snippet (TestState *state)
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{
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CoglPipeline *pipeline;
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CoglSnippet *snippet;
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/* Test replacing a previous snippet */
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pipeline = create_texture_pipeline (state);
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snippet = cogl_snippet_new (COGL_SNIPPET_HOOK_FRAGMENT,
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NULL,
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"cogl_color_out = vec4 (0.5, 0.5, 0.5, 1.0);");
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cogl_pipeline_add_snippet (pipeline, snippet);
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cogl_object_unref (snippet);
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snippet = cogl_snippet_new (COGL_SNIPPET_HOOK_FRAGMENT, NULL, NULL);
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cogl_snippet_set_pre (snippet, "cogl_color_out = vec4 (1.0, 1.0, 1.0, 1.0);");
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cogl_snippet_set_replace (snippet,
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"cogl_color_out *= vec4 (1.0, 0.0, 0.0, 1.0);");
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cogl_pipeline_add_snippet (pipeline, snippet);
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cogl_object_unref (snippet);
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cogl_framebuffer_draw_textured_rectangle (test_fb,
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pipeline,
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100, 0, 110, 10,
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0, 0, 0, 0);
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cogl_object_unref (pipeline);
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test_utils_check_pixel (test_fb, 105, 5, 0xff0000ff);
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}
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static void
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test_replace_fragment_layer (TestState *state)
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{
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CoglPipeline *pipeline;
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CoglSnippet *snippet;
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/* Test replacing the fragment layer code */
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pipeline = create_texture_pipeline (state);
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snippet = cogl_snippet_new (COGL_SNIPPET_HOOK_LAYER_FRAGMENT, NULL, NULL);
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cogl_snippet_set_replace (snippet, "cogl_layer = vec4 (0.0, 0.0, 1.0, 1.0);");
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cogl_pipeline_add_layer_snippet (pipeline, 0, snippet);
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cogl_object_unref (snippet);
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/* Add a second layer which samples from the texture in the first
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layer. The snippet override should cause the first layer not to
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generate the code for the texture lookup but this second layer
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should still be able to cause it to be generated */
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cogl_pipeline_set_layer_combine (pipeline, 1,
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"RGB = ADD(TEXTURE_0, PREVIOUS)"
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"A = REPLACE(PREVIOUS)",
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NULL);
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cogl_framebuffer_draw_textured_rectangle (test_fb,
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pipeline,
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110, 0, 120, 10,
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0, 0, 0, 0);
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cogl_object_unref (pipeline);
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test_utils_check_pixel (test_fb, 115, 5, 0xff00ffff);
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}
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static void
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test_modify_fragment_layer (TestState *state)
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{
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CoglPipeline *pipeline;
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CoglSnippet *snippet;
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/* Test modifying the fragment layer code */
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pipeline = cogl_pipeline_new (test_ctx);
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cogl_pipeline_set_uniform_1f (pipeline,
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cogl_pipeline_get_uniform_location (pipeline,
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"a_value"),
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0.5);
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snippet = cogl_snippet_new (COGL_SNIPPET_HOOK_LAYER_FRAGMENT,
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"uniform float a_value;",
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"cogl_layer.g = a_value;");
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cogl_pipeline_add_layer_snippet (pipeline, 0, snippet);
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cogl_object_unref (snippet);
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cogl_framebuffer_draw_textured_rectangle (test_fb,
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pipeline,
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120, 0, 130, 10,
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0, 0, 0, 0);
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cogl_object_unref (pipeline);
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test_utils_check_pixel (test_fb, 125, 5, 0xff80ffff);
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}
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static void
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test_modify_vertex_layer (TestState *state)
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{
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CoglPipeline *pipeline;
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CoglSnippet *snippet;
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CoglMatrix matrix;
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/* Test modifying the vertex layer code */
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pipeline = create_texture_pipeline (state);
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cogl_matrix_init_identity (&matrix);
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cogl_matrix_translate (&matrix, 0.0f, 1.0f, 0.0f);
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cogl_pipeline_set_layer_matrix (pipeline, 0, &matrix);
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snippet = cogl_snippet_new (COGL_SNIPPET_HOOK_TEXTURE_COORD_TRANSFORM,
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NULL,
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"cogl_tex_coord.x = 1.0;");
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cogl_pipeline_add_layer_snippet (pipeline, 0, snippet);
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cogl_object_unref (snippet);
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cogl_framebuffer_draw_textured_rectangle (test_fb,
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pipeline,
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130, 0, 140, 10,
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0, 0, 0, 0);
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cogl_object_unref (pipeline);
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test_utils_check_pixel (test_fb, 135, 5, 0xffff00ff);
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}
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static void
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test_replace_vertex_layer (TestState *state)
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{
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CoglPipeline *pipeline;
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CoglSnippet *snippet;
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CoglMatrix matrix;
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/* Test replacing the vertex layer code */
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pipeline = create_texture_pipeline (state);
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cogl_matrix_init_identity (&matrix);
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cogl_matrix_translate (&matrix, 0.0f, 1.0f, 0.0f);
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cogl_pipeline_set_layer_matrix (pipeline, 0, &matrix);
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snippet = cogl_snippet_new (COGL_SNIPPET_HOOK_TEXTURE_COORD_TRANSFORM,
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NULL,
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NULL);
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cogl_snippet_set_replace (snippet, "cogl_tex_coord.x = 1.0;\n");
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cogl_pipeline_add_layer_snippet (pipeline, 0, snippet);
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|
cogl_object_unref (snippet);
|
|
|
|
cogl_framebuffer_draw_textured_rectangle (test_fb,
|
|
pipeline,
|
|
140, 0, 150, 10,
|
|
0, 0, 0, 0);
|
|
cogl_object_unref (pipeline);
|
|
|
|
test_utils_check_pixel (test_fb, 145, 5, 0x00ff00ff);
|
|
}
|
|
|
|
static void
|
|
test_vertex_transform_hook (TestState *state)
|
|
{
|
|
CoglPipeline *pipeline;
|
|
CoglSnippet *snippet;
|
|
CoglMatrix identity_matrix;
|
|
CoglMatrix matrix;
|
|
float array[16];
|
|
int location;
|
|
|
|
/* Test the vertex transform hook */
|
|
|
|
cogl_matrix_init_identity (&identity_matrix);
|
|
|
|
pipeline = cogl_pipeline_new (test_ctx);
|
|
|
|
cogl_pipeline_set_color4ub (pipeline, 255, 0, 255, 255);
|
|
|
|
snippet = cogl_snippet_new (COGL_SNIPPET_HOOK_VERTEX_TRANSFORM,
|
|
"uniform mat4 pmat;",
|
|
NULL);
|
|
cogl_snippet_set_replace (snippet, "cogl_position_out = "
|
|
"pmat * cogl_position_in;");
|
|
cogl_pipeline_add_snippet (pipeline, snippet);
|
|
cogl_object_unref (snippet);
|
|
|
|
/* Copy the current projection matrix to a uniform */
|
|
cogl_framebuffer_get_projection_matrix (test_fb, &matrix);
|
|
location = cogl_pipeline_get_uniform_location (pipeline, "pmat");
|
|
cogl_matrix_get_array (&matrix, array);
|
|
cogl_pipeline_set_uniform_matrix (pipeline,
|
|
location,
|
|
4, /* dimensions */
|
|
1, /* count */
|
|
FALSE, /* don't transpose */
|
|
array);
|
|
|
|
/* Replace the real projection matrix with the identity. This should
|
|
mess up the drawing unless the snippet replacement is working */
|
|
cogl_framebuffer_set_projection_matrix (test_fb, &identity_matrix);
|
|
|
|
cogl_framebuffer_draw_rectangle (test_fb, pipeline, 150, 0, 160, 10);
|
|
cogl_object_unref (pipeline);
|
|
|
|
/* Restore the projection matrix */
|
|
cogl_framebuffer_set_projection_matrix (test_fb, &matrix);
|
|
|
|
test_utils_check_pixel (test_fb, 155, 5, 0xff00ffff);
|
|
}
|
|
|
|
static void
|
|
test_global_vertex_hook (TestState *state)
|
|
{
|
|
CoglPipeline *pipeline;
|
|
CoglSnippet *snippet;
|
|
|
|
pipeline = cogl_pipeline_new (test_ctx);
|
|
|
|
/* Creates a function in the global declarations hook which is used
|
|
* by a subsequent snippet. The subsequent snippets replace any
|
|
* previous snippets but this shouldn't prevent the global
|
|
* declarations from being generated */
|
|
|
|
snippet = cogl_snippet_new (COGL_SNIPPET_HOOK_VERTEX_GLOBALS,
|
|
/* declarations */
|
|
"float\n"
|
|
"multiply_by_two (float number)\n"
|
|
"{\n"
|
|
" return number * 2.0;\n"
|
|
"}\n",
|
|
/* post */
|
|
"This string shouldn't be used so "
|
|
"we can safely put garbage in here.");
|
|
cogl_snippet_set_pre (snippet,
|
|
"This string shouldn't be used so "
|
|
"we can safely put garbage in here.");
|
|
cogl_snippet_set_replace (snippet,
|
|
"This string shouldn't be used so "
|
|
"we can safely put garbage in here.");
|
|
cogl_pipeline_add_snippet (pipeline, snippet);
|
|
cogl_object_unref (snippet);
|
|
|
|
snippet = cogl_snippet_new (COGL_SNIPPET_HOOK_VERTEX,
|
|
NULL, /* declarations */
|
|
NULL /* replace */);
|
|
cogl_snippet_set_replace (snippet,
|
|
"cogl_color_out.r = multiply_by_two (0.5);\n"
|
|
"cogl_color_out.gba = vec3 (0.0, 0.0, 1.0);\n"
|
|
"cogl_position_out = cogl_position_in;\n");
|
|
cogl_pipeline_add_snippet (pipeline, snippet);
|
|
cogl_object_unref (snippet);
|
|
|
|
cogl_framebuffer_draw_rectangle (test_fb,
|
|
pipeline,
|
|
-1, 1,
|
|
10.0f * 2.0f / state->fb_width - 1.0f,
|
|
10.0f * 2.0f / state->fb_height - 1.0f);
|
|
|
|
cogl_object_unref (pipeline);
|
|
|
|
test_utils_check_pixel (test_fb, 5, 5, 0xff0000ff);
|
|
}
|
|
|
|
static void
|
|
test_global_fragment_hook (TestState *state)
|
|
{
|
|
CoglPipeline *pipeline;
|
|
CoglSnippet *snippet;
|
|
|
|
pipeline = cogl_pipeline_new (test_ctx);
|
|
|
|
/* Creates a function in the global declarations hook which is used
|
|
* by a subsequent snippet. The subsequent snippets replace any
|
|
* previous snippets but this shouldn't prevent the global
|
|
* declarations from being generated */
|
|
|
|
snippet = cogl_snippet_new (COGL_SNIPPET_HOOK_FRAGMENT_GLOBALS,
|
|
/* declarations */
|
|
"float\n"
|
|
"multiply_by_four (float number)\n"
|
|
"{\n"
|
|
" return number * 4.0;\n"
|
|
"}\n",
|
|
/* post */
|
|
"This string shouldn't be used so "
|
|
"we can safely put garbage in here.");
|
|
cogl_snippet_set_pre (snippet,
|
|
"This string shouldn't be used so "
|
|
"we can safely put garbage in here.");
|
|
cogl_snippet_set_replace (snippet,
|
|
"This string shouldn't be used so "
|
|
"we can safely put garbage in here.");
|
|
cogl_pipeline_add_snippet (pipeline, snippet);
|
|
cogl_object_unref (snippet);
|
|
|
|
snippet = cogl_snippet_new (COGL_SNIPPET_HOOK_FRAGMENT,
|
|
NULL, /* declarations */
|
|
NULL /* replace */);
|
|
cogl_snippet_set_replace (snippet,
|
|
"cogl_color_out.r = multiply_by_four (0.25);\n"
|
|
"cogl_color_out.gba = vec3 (0.0, 0.0, 1.0);\n");
|
|
cogl_pipeline_add_snippet (pipeline, snippet);
|
|
cogl_object_unref (snippet);
|
|
|
|
cogl_framebuffer_draw_rectangle (test_fb,
|
|
pipeline,
|
|
0, 0, 10, 10);
|
|
|
|
cogl_object_unref (pipeline);
|
|
|
|
test_utils_check_pixel (test_fb, 5, 5, 0xff0000ff);
|
|
}
|
|
|
|
static void
|
|
test_snippet_order (TestState *state)
|
|
{
|
|
CoglPipeline *pipeline;
|
|
CoglSnippet *snippet;
|
|
|
|
/* Verify that the snippets are executed in the right order. We'll
|
|
replace the r component of the color in the pre sections of the
|
|
snippets and the g component in the post. The pre sections should
|
|
be executed in the reverse order they were added and the post
|
|
sections in the same order as they were added. Therefore the r
|
|
component should be taken from the the second snippet and the g
|
|
component from the first */
|
|
pipeline = cogl_pipeline_new (test_ctx);
|
|
|
|
cogl_pipeline_set_color4ub (pipeline, 0, 0, 0, 255);
|
|
|
|
snippet = cogl_snippet_new (COGL_SNIPPET_HOOK_FRAGMENT,
|
|
NULL,
|
|
"cogl_color_out.g = 0.5;\n");
|
|
cogl_snippet_set_pre (snippet, "cogl_color_out.r = 0.5;\n");
|
|
cogl_snippet_set_replace (snippet, "cogl_color_out.ba = vec2 (0.0, 1.0);");
|
|
cogl_pipeline_add_snippet (pipeline, snippet);
|
|
cogl_object_unref (snippet);
|
|
|
|
snippet = cogl_snippet_new (COGL_SNIPPET_HOOK_FRAGMENT,
|
|
NULL,
|
|
"cogl_color_out.g = 1.0;\n");
|
|
cogl_snippet_set_pre (snippet, "cogl_color_out.r = 1.0;\n");
|
|
cogl_pipeline_add_snippet (pipeline, snippet);
|
|
cogl_object_unref (snippet);
|
|
|
|
cogl_framebuffer_draw_rectangle (test_fb, pipeline, 160, 0, 170, 10);
|
|
cogl_object_unref (pipeline);
|
|
|
|
test_utils_check_pixel (test_fb, 165, 5, 0x80ff00ff);
|
|
}
|
|
|
|
static void
|
|
test_naming_texture_units (TestState *state)
|
|
{
|
|
CoglPipeline *pipeline;
|
|
CoglSnippet *snippet;
|
|
CoglTexture *tex1, *tex2;
|
|
|
|
/* Test that we can sample from an arbitrary texture unit by naming
|
|
its layer number */
|
|
|
|
snippet = cogl_snippet_new (COGL_SNIPPET_HOOK_FRAGMENT,
|
|
NULL,
|
|
NULL);
|
|
cogl_snippet_set_replace (snippet,
|
|
"cogl_color_out = "
|
|
"texture2D (cogl_sampler100, vec2 (0.0, 0.0)) + "
|
|
"texture2D (cogl_sampler200, vec2 (0.0, 0.0));");
|
|
|
|
tex1 = test_utils_create_color_texture (test_ctx, 0xff0000ff);
|
|
tex2 = test_utils_create_color_texture (test_ctx, 0x00ff00ff);
|
|
|
|
pipeline = cogl_pipeline_new (test_ctx);
|
|
|
|
cogl_pipeline_set_layer_texture (pipeline, 100, tex1);
|
|
cogl_pipeline_set_layer_texture (pipeline, 200, tex2);
|
|
|
|
cogl_pipeline_add_snippet (pipeline, snippet);
|
|
|
|
cogl_framebuffer_draw_rectangle (test_fb, pipeline, 0, 0, 10, 10);
|
|
|
|
cogl_object_unref (pipeline);
|
|
cogl_object_unref (snippet);
|
|
cogl_object_unref (tex1);
|
|
cogl_object_unref (tex2);
|
|
|
|
test_utils_check_pixel (test_fb, 5, 5, 0xffff00ff);
|
|
}
|
|
|
|
static void
|
|
test_snippet_properties (TestState *state)
|
|
{
|
|
CoglSnippet *snippet;
|
|
|
|
/* Sanity check modifying the snippet */
|
|
snippet = cogl_snippet_new (COGL_SNIPPET_HOOK_FRAGMENT, "foo", "bar");
|
|
g_assert_cmpstr (cogl_snippet_get_declarations (snippet), ==, "foo");
|
|
g_assert_cmpstr (cogl_snippet_get_post (snippet), ==, "bar");
|
|
g_assert_cmpstr (cogl_snippet_get_replace (snippet), ==, NULL);
|
|
g_assert_cmpstr (cogl_snippet_get_pre (snippet), ==, NULL);
|
|
|
|
cogl_snippet_set_declarations (snippet, "fu");
|
|
g_assert_cmpstr (cogl_snippet_get_declarations (snippet), ==, "fu");
|
|
g_assert_cmpstr (cogl_snippet_get_post (snippet), ==, "bar");
|
|
g_assert_cmpstr (cogl_snippet_get_replace (snippet), ==, NULL);
|
|
g_assert_cmpstr (cogl_snippet_get_pre (snippet), ==, NULL);
|
|
|
|
cogl_snippet_set_post (snippet, "ba");
|
|
g_assert_cmpstr (cogl_snippet_get_declarations (snippet), ==, "fu");
|
|
g_assert_cmpstr (cogl_snippet_get_post (snippet), ==, "ba");
|
|
g_assert_cmpstr (cogl_snippet_get_replace (snippet), ==, NULL);
|
|
g_assert_cmpstr (cogl_snippet_get_pre (snippet), ==, NULL);
|
|
|
|
cogl_snippet_set_pre (snippet, "fuba");
|
|
g_assert_cmpstr (cogl_snippet_get_declarations (snippet), ==, "fu");
|
|
g_assert_cmpstr (cogl_snippet_get_post (snippet), ==, "ba");
|
|
g_assert_cmpstr (cogl_snippet_get_replace (snippet), ==, NULL);
|
|
g_assert_cmpstr (cogl_snippet_get_pre (snippet), ==, "fuba");
|
|
|
|
cogl_snippet_set_replace (snippet, "baba");
|
|
g_assert_cmpstr (cogl_snippet_get_declarations (snippet), ==, "fu");
|
|
g_assert_cmpstr (cogl_snippet_get_post (snippet), ==, "ba");
|
|
g_assert_cmpstr (cogl_snippet_get_replace (snippet), ==, "baba");
|
|
g_assert_cmpstr (cogl_snippet_get_pre (snippet), ==, "fuba");
|
|
|
|
g_assert_cmpint (cogl_snippet_get_hook (snippet),
|
|
==,
|
|
COGL_SNIPPET_HOOK_FRAGMENT);
|
|
}
|
|
|
|
static SnippetTestFunc
|
|
tests[] =
|
|
{
|
|
simple_fragment_snippet,
|
|
simple_vertex_snippet,
|
|
shared_uniform,
|
|
lots_snippets,
|
|
shared_variable_pre_post,
|
|
test_pipeline_caching,
|
|
test_replace_string,
|
|
test_texture_lookup_hook,
|
|
test_multiple_samples,
|
|
test_replace_lookup_hook,
|
|
test_replace_snippet,
|
|
test_replace_fragment_layer,
|
|
test_modify_fragment_layer,
|
|
test_modify_vertex_layer,
|
|
test_replace_vertex_layer,
|
|
test_vertex_transform_hook,
|
|
test_global_fragment_hook,
|
|
test_global_vertex_hook,
|
|
test_snippet_order,
|
|
test_naming_texture_units,
|
|
test_snippet_properties
|
|
};
|
|
|
|
static void
|
|
run_tests (TestState *state)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < G_N_ELEMENTS (tests); i++)
|
|
{
|
|
cogl_framebuffer_clear4f (test_fb,
|
|
COGL_BUFFER_BIT_COLOR,
|
|
0, 0, 0, 1);
|
|
|
|
tests[i] (state);
|
|
}
|
|
}
|
|
|
|
void
|
|
test_snippets (void)
|
|
{
|
|
TestState state;
|
|
|
|
state.fb_width = cogl_framebuffer_get_width (test_fb);
|
|
state.fb_height = cogl_framebuffer_get_height (test_fb);
|
|
|
|
cogl_framebuffer_orthographic (test_fb,
|
|
0, 0,
|
|
state.fb_width,
|
|
state.fb_height,
|
|
-1,
|
|
100);
|
|
|
|
run_tests (&state);
|
|
|
|
if (cogl_test_verbose ())
|
|
g_print ("OK\n");
|
|
}
|