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6320aab9b4
This verifies that the post strings are executed in the order they were added to the pipeline and the post strings are executed in the reverse order. Reviewed-by: Robert Bragg <robert@linux.intel.com>
507 lines
18 KiB
C
507 lines
18 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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typedef struct _TestState
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{
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int stub;
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} TestState;
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static CoglPipeline *
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create_texture_pipeline (void)
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{
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CoglPipeline *pipeline;
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CoglHandle tex;
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static const guint8 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 = cogl_texture_new_from_data (2, 2, /* width/height */
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COGL_TEXTURE_NO_ATLAS,
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COGL_PIXEL_FORMAT_RGBA_8888_PRE,
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COGL_PIXEL_FORMAT_ANY,
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8, /* rowstride */
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tex_data);
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pipeline = cogl_pipeline_new ();
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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_handle_unref (tex);
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return pipeline;
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}
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static void
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paint (TestState *state)
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{
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CoglPipeline *pipeline;
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CoglSnippet *snippet;
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CoglMatrix matrix, identity_matrix;
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CoglColor color;
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int location;
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int i;
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cogl_matrix_init_identity (&identity_matrix);
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cogl_color_init_from_4ub (&color, 0, 0, 0, 255);
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cogl_clear (&color, COGL_BUFFER_BIT_COLOR);
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/* Simple fragment snippet */
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pipeline = cogl_pipeline_new ();
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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_push_source (pipeline);
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cogl_rectangle (0, 0, 10, 10);
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cogl_pop_source ();
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cogl_object_unref (pipeline);
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/* Simple vertex snippet */
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pipeline = cogl_pipeline_new ();
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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_push_source (pipeline);
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cogl_rectangle (10, 0, 20, 10);
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cogl_pop_source ();
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cogl_object_unref (pipeline);
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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 ();
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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_push_source (pipeline);
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cogl_rectangle (20, 0, 30, 10);
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cogl_pop_source ();
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cogl_object_unref (pipeline);
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/* Lots of snippets on one pipeline */
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pipeline = cogl_pipeline_new ();
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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_push_source (pipeline);
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cogl_rectangle (30, 0, 40, 10);
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cogl_pop_source ();
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cogl_object_unref (pipeline);
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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 ();
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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_push_source (pipeline);
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cogl_rectangle (40, 0, 50, 10);
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cogl_pop_source ();
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cogl_object_unref (pipeline);
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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 ();
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cogl_pipeline_add_snippet (pipeline, snippet);
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cogl_push_source (pipeline);
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cogl_rectangle (50, 0, 60, 10);
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cogl_pop_source ();
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cogl_object_unref (pipeline);
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pipeline = cogl_pipeline_new ();
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cogl_pipeline_add_snippet (pipeline, snippet);
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cogl_push_source (pipeline);
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cogl_rectangle (60, 0, 70, 10);
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cogl_pop_source ();
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cogl_object_unref (pipeline);
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cogl_object_unref (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 ();
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cogl_pipeline_add_snippet (pipeline, snippet);
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cogl_push_source (pipeline);
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cogl_rectangle (70, 0, 80, 10);
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cogl_pop_source ();
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cogl_object_unref (pipeline);
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cogl_object_unref (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 ();
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cogl_pipeline_add_layer_snippet (pipeline, 0, snippet);
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cogl_push_source (pipeline);
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cogl_rectangle_with_texture_coords (80, 0, 90, 10,
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0, 0, 0, 0);
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cogl_pop_source ();
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cogl_object_unref (pipeline);
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cogl_object_unref (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 ();
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cogl_pipeline_add_layer_snippet (pipeline, 0, snippet);
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cogl_push_source (pipeline);
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cogl_rectangle_with_texture_coords (90, 0, 100, 10,
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0, 0, 0, 0);
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cogl_pop_source ();
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cogl_object_unref (pipeline);
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cogl_object_unref (snippet);
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/* Test replacing a previous snippet */
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pipeline = create_texture_pipeline ();
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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_push_source (pipeline);
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cogl_rectangle_with_texture_coords (100, 0, 110, 10,
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0, 0, 0, 0);
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cogl_pop_source ();
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cogl_object_unref (pipeline);
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/* Test replacing the fragment layer code */
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pipeline = create_texture_pipeline ();
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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_push_source (pipeline);
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cogl_rectangle_with_texture_coords (110, 0, 120, 10,
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0, 0, 0, 0);
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cogl_pop_source ();
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cogl_object_unref (pipeline);
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/* Test modifying the fragment layer code */
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pipeline = cogl_pipeline_new ();
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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_push_source (pipeline);
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cogl_rectangle_with_texture_coords (120, 0, 130, 10,
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0, 0, 0, 0);
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cogl_pop_source ();
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cogl_object_unref (pipeline);
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/* Test modifying the vertex layer code */
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pipeline = create_texture_pipeline ();
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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_push_source (pipeline);
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cogl_rectangle_with_texture_coords (130, 0, 140, 10,
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0, 0, 0, 0);
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cogl_pop_source ();
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cogl_object_unref (pipeline);
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/* Test replacing the vertex layer code */
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pipeline = create_texture_pipeline ();
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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);
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cogl_push_source (pipeline);
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cogl_rectangle_with_texture_coords (140, 0, 150, 10,
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0, 0, 0, 0);
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cogl_pop_source ();
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cogl_object_unref (pipeline);
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/* Test the vertex transform hook */
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pipeline = cogl_pipeline_new ();
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cogl_pipeline_set_color4ub (pipeline, 255, 0, 255, 255);
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snippet = cogl_snippet_new (COGL_SNIPPET_HOOK_VERTEX_TRANSFORM,
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"uniform mat4 pmat;",
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NULL);
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cogl_snippet_set_replace (snippet, "cogl_position_out = "
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"pmat * cogl_position_in;");
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cogl_pipeline_add_snippet (pipeline, snippet);
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cogl_object_unref (snippet);
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/* Copy the current projection matrix to a uniform */
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cogl_get_projection_matrix (&matrix);
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location = cogl_pipeline_get_uniform_location (pipeline, "pmat");
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cogl_pipeline_set_uniform_matrix (pipeline,
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location,
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4, /* dimensions */
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1, /* count */
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FALSE, /* don't transpose */
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cogl_matrix_get_array (&matrix));
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/* Replace the real projection matrix with the identity. This should
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mess up the drawing unless the snippet replacement is working */
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cogl_set_projection_matrix (&identity_matrix);
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cogl_push_source (pipeline);
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cogl_rectangle (150, 0, 160, 10);
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cogl_pop_source ();
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cogl_object_unref (pipeline);
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/* Restore the projection matrix */
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cogl_set_projection_matrix (&matrix);
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/* Verify that the snippets are executed in the right order. We'll
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replace the r component of the color in the pre sections of the
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snippets and the g component in the post. The pre sections should
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be executed in the reverse order they were added and the post
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sections in the same order as they were added. Therefore the r
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component should be taken from the the second snippet and the g
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component from the first */
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pipeline = cogl_pipeline_new ();
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cogl_pipeline_set_color4ub (pipeline, 0, 0, 0, 255);
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snippet = cogl_snippet_new (COGL_SNIPPET_HOOK_FRAGMENT,
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NULL,
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"cogl_color_out.g = 0.5;\n");
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cogl_snippet_set_pre (snippet, "cogl_color_out.r = 0.5;\n");
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cogl_snippet_set_replace (snippet, "cogl_color_out.ba = vec2 (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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snippet = cogl_snippet_new (COGL_SNIPPET_HOOK_FRAGMENT,
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NULL,
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"cogl_color_out.g = 1.0;\n");
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cogl_snippet_set_pre (snippet, "cogl_color_out.r = 1.0;\n");
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cogl_pipeline_add_snippet (pipeline, snippet);
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cogl_object_unref (snippet);
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cogl_push_source (pipeline);
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cogl_rectangle (160, 0, 170, 10);
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cogl_pop_source ();
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cogl_object_unref (pipeline);
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/* Sanity check modifying the snippet */
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snippet = cogl_snippet_new (COGL_SNIPPET_HOOK_FRAGMENT, "foo", "bar");
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g_assert_cmpstr (cogl_snippet_get_declarations (snippet), ==, "foo");
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g_assert_cmpstr (cogl_snippet_get_post (snippet), ==, "bar");
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g_assert_cmpstr (cogl_snippet_get_replace (snippet), ==, NULL);
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g_assert_cmpstr (cogl_snippet_get_pre (snippet), ==, NULL);
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cogl_snippet_set_declarations (snippet, "fu");
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g_assert_cmpstr (cogl_snippet_get_declarations (snippet), ==, "fu");
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g_assert_cmpstr (cogl_snippet_get_post (snippet), ==, "bar");
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g_assert_cmpstr (cogl_snippet_get_replace (snippet), ==, NULL);
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g_assert_cmpstr (cogl_snippet_get_pre (snippet), ==, NULL);
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cogl_snippet_set_post (snippet, "ba");
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g_assert_cmpstr (cogl_snippet_get_declarations (snippet), ==, "fu");
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g_assert_cmpstr (cogl_snippet_get_post (snippet), ==, "ba");
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g_assert_cmpstr (cogl_snippet_get_replace (snippet), ==, NULL);
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g_assert_cmpstr (cogl_snippet_get_pre (snippet), ==, NULL);
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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 void
|
|
validate_result (void)
|
|
{
|
|
test_utils_check_pixel (5, 5, 0xffff00ff);
|
|
test_utils_check_pixel (15, 5, 0xff00ffff);
|
|
test_utils_check_pixel (25, 5, 0xff0080ff);
|
|
test_utils_check_pixel (35, 5, 0x19334cff);
|
|
test_utils_check_pixel (45, 5, 0xff0000ff);
|
|
test_utils_check_pixel (55, 5, 0x00ff00ff);
|
|
test_utils_check_pixel (65, 5, 0x00ff00ff);
|
|
test_utils_check_pixel (75, 5, 0x808000ff);
|
|
test_utils_check_pixel (85, 5, 0x00ffffff);
|
|
test_utils_check_pixel (95, 5, 0x0000ffff);
|
|
test_utils_check_pixel (105, 5, 0xff0000ff);
|
|
test_utils_check_pixel (115, 5, 0xff00ffff);
|
|
test_utils_check_pixel (125, 5, 0xff80ffff);
|
|
test_utils_check_pixel (135, 5, 0xffff00ff);
|
|
test_utils_check_pixel (145, 5, 0x00ff00ff);
|
|
test_utils_check_pixel (155, 5, 0xff00ffff);
|
|
test_utils_check_pixel (165, 5, 0x80ff00ff);
|
|
}
|
|
|
|
void
|
|
test_cogl_snippets (TestUtilsGTestFixture *fixture,
|
|
void *user_data)
|
|
{
|
|
TestUtilsSharedState *shared_state = user_data;
|
|
|
|
/* If shaders aren't supported then we can't run the test */
|
|
if (cogl_features_available (COGL_FEATURE_SHADERS_GLSL))
|
|
{
|
|
TestState state;
|
|
|
|
cogl_ortho (/* left, right */
|
|
0, cogl_framebuffer_get_width (shared_state->fb),
|
|
/* bottom, top */
|
|
cogl_framebuffer_get_height (shared_state->fb), 0,
|
|
/* z near, far */
|
|
-1, 100);
|
|
|
|
paint (&state);
|
|
validate_result ();
|
|
|
|
if (g_test_verbose ())
|
|
g_print ("OK\n");
|
|
}
|
|
else if (g_test_verbose ())
|
|
g_print ("Skipping\n");
|
|
}
|