bbcbece6c9
This patch reworks our conformance testing framework because it seems that glib's gtesting framework isn't really well suited to our use case. For example we weren't able to test windows builds given the way we were using it and also for each test we'd like to repeat the test with several different environments so we can test important driver and feature combinations. This patch instead switches away to a simplified but custom approach for running our unit tests. We hope that having a more bespoke setup will enable us to easily extend it to focus on the details important to us. Notable changes with this new approach are: We can now run 'make test' for our mingw windows builds. We've got rid of all the test-*report* make rules and we're just left with 'make test' 'make test' now runs each test several times with different driver and feature combinations checking the result for each run. 'make test' will then output a concise table of all of the results. The combinations tested are: - OpenGL Fixed Function - OpenGL ARBfp - OpenGL GLSL - OpenGL No NPOT texture support - OpenGLES 2.0 - OpenGLES 2.0 No NPOT texture support Reviewed-by: Neil Roberts <neil@linux.intel.com>
433 lines
12 KiB
C
433 lines
12 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 LONG_ARRAY_SIZE 128
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typedef struct _TestState
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{
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CoglContext *ctx;
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CoglPipeline *pipeline_red;
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CoglPipeline *pipeline_green;
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CoglPipeline *pipeline_blue;
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CoglPipeline *matrix_pipeline;
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CoglPipeline *vector_pipeline;
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CoglPipeline *int_pipeline;
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CoglPipeline *long_pipeline;
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int long_uniform_locations[LONG_ARRAY_SIZE];
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} TestState;
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static const char
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color_source[] =
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"uniform float red, green, blue;\n"
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"\n"
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"void\n"
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"main ()\n"
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"{\n"
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" cogl_color_out = vec4 (red, green, blue, 1.0);\n"
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"}\n";
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static const char
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matrix_source[] =
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"uniform mat4 matrix_array[4];\n"
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"\n"
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"void\n"
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"main ()\n"
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"{\n"
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" vec4 color = vec4 (0.0, 0.0, 0.0, 1.0);\n"
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" int i;\n"
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"\n"
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" for (i = 0; i < 4; i++)\n"
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" color = matrix_array[i] * color;\n"
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"\n"
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" cogl_color_out = color;\n"
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"}\n";
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static const char
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vector_source[] =
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"uniform vec4 vector_array[2];\n"
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"uniform vec3 short_vector;\n"
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"\n"
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"void\n"
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"main ()\n"
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"{\n"
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" cogl_color_out = (vector_array[0] +\n"
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" vector_array[1] +\n"
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" vec4 (short_vector, 1.0));\n"
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"}\n";
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static const char
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int_source[] =
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"uniform ivec4 vector_array[2];\n"
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"uniform int single_value;\n"
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"\n"
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"void\n"
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"main ()\n"
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"{\n"
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" cogl_color_out = (vec4 (vector_array[0]) +\n"
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" vec4 (vector_array[1]) +\n"
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" vec4 (float (single_value), 0.0, 0.0, 255.0)) / 255.0;\n"
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"}\n";
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static const char
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long_source[] =
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"uniform int long_array[" G_STRINGIFY (LONG_ARRAY_SIZE) "];\n"
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"const int last_index = " G_STRINGIFY (LONG_ARRAY_SIZE) " - 1;\n"
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"\n"
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"void\n"
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"main ()\n"
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"{\n"
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" cogl_color_out = vec4 (float (long_array[last_index]), 0.0, 0.0, 1.0);\n"
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"}\n";
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static CoglPipeline *
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create_pipeline_for_shader (TestState *state, const char *shader_source)
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{
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CoglPipeline *pipeline;
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CoglHandle shader;
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CoglHandle program;
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pipeline = cogl_pipeline_new (state->ctx);
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shader = cogl_create_shader (COGL_SHADER_TYPE_FRAGMENT);
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cogl_shader_source (shader, shader_source);
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program = cogl_create_program ();
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cogl_program_attach_shader (program, shader);
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cogl_pipeline_set_user_program (pipeline, program);
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cogl_handle_unref (shader);
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cogl_handle_unref (program);
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return pipeline;
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}
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static void
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init_state (TestState *state)
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{
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int uniform_location;
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state->pipeline_red = create_pipeline_for_shader (state, color_source);
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uniform_location =
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cogl_pipeline_get_uniform_location (state->pipeline_red, "red");
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cogl_pipeline_set_uniform_1f (state->pipeline_red, uniform_location, 1.0f);
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uniform_location =
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cogl_pipeline_get_uniform_location (state->pipeline_red, "green");
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cogl_pipeline_set_uniform_1f (state->pipeline_red, uniform_location, 0.0f);
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uniform_location =
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cogl_pipeline_get_uniform_location (state->pipeline_red, "blue");
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cogl_pipeline_set_uniform_1f (state->pipeline_red, uniform_location, 0.0f);
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state->pipeline_green = cogl_pipeline_copy (state->pipeline_red);
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uniform_location =
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cogl_pipeline_get_uniform_location (state->pipeline_green, "green");
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cogl_pipeline_set_uniform_1f (state->pipeline_green, uniform_location, 1.0f);
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state->pipeline_blue = cogl_pipeline_copy (state->pipeline_red);
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uniform_location =
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cogl_pipeline_get_uniform_location (state->pipeline_blue, "blue");
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cogl_pipeline_set_uniform_1f (state->pipeline_blue, uniform_location, 1.0f);
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state->matrix_pipeline = create_pipeline_for_shader (state, matrix_source);
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state->vector_pipeline = create_pipeline_for_shader (state, vector_source);
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state->int_pipeline = create_pipeline_for_shader (state, int_source);
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state->long_pipeline = NULL;
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}
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static void
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init_long_pipeline_state (TestState *state)
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{
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int i;
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state->long_pipeline = create_pipeline_for_shader (state, long_source);
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/* This tries to lookup a large number of uniform names to make sure
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that the bitmask of overriden uniforms flows over the size of a
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single long so that it has to resort to allocating it */
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for (i = 0; i < LONG_ARRAY_SIZE; i++)
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{
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char *uniform_name = g_strdup_printf ("long_array[%i]", i);
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state->long_uniform_locations[i] =
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cogl_pipeline_get_uniform_location (state->long_pipeline,
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uniform_name);
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g_free (uniform_name);
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}
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}
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static void
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destroy_state (TestState *state)
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{
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cogl_object_unref (state->pipeline_red);
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cogl_object_unref (state->pipeline_green);
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cogl_object_unref (state->pipeline_blue);
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cogl_object_unref (state->matrix_pipeline);
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cogl_object_unref (state->vector_pipeline);
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cogl_object_unref (state->int_pipeline);
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if (state->long_pipeline)
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cogl_object_unref (state->long_pipeline);
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}
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static void
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paint_pipeline (CoglPipeline *pipeline, int pos)
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{
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cogl_push_source (pipeline);
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cogl_rectangle (pos * 10, 0, pos * 10 + 10, 10);
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cogl_pop_source ();
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}
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static void
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paint_color_pipelines (TestState *state)
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{
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CoglPipeline *temp_pipeline;
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int uniform_location;
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int i;
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/* Paint with the first pipeline that sets the uniforms to bright
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red */
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paint_pipeline (state->pipeline_red, 0);
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/* Paint with the two other pipelines. These inherit from the red
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pipeline and only override one other component. The values for
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the two other components should be inherited from the red
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pipeline. */
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paint_pipeline (state->pipeline_green, 1);
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paint_pipeline (state->pipeline_blue, 2);
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/* Try modifying a single pipeline for multiple rectangles */
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temp_pipeline = cogl_pipeline_copy (state->pipeline_green);
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uniform_location = cogl_pipeline_get_uniform_location (temp_pipeline,
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"green");
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for (i = 0; i <= 8; i++)
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{
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cogl_pipeline_set_uniform_1f (temp_pipeline, uniform_location,
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i / 8.0f);
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paint_pipeline (temp_pipeline, i + 3);
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}
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cogl_object_unref (temp_pipeline);
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}
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static void
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paint_matrix_pipeline (CoglPipeline *pipeline)
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{
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CoglMatrix matrices[4];
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float matrix_floats[16 * 4];
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int uniform_location;
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int i;
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for (i = 0; i < 4; i++)
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cogl_matrix_init_identity (matrices + i);
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/* Use the first matrix to make the color red */
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cogl_matrix_translate (matrices + 0, 1.0f, 0.0f, 0.0f);
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/* Rotate the vertex so that it ends up green */
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cogl_matrix_rotate (matrices + 1, 90.0f, 0.0f, 0.0f, 1.0f);
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/* Scale the vertex so it ends up halved */
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cogl_matrix_scale (matrices + 2, 0.5f, 0.5f, 0.5f);
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/* Add a blue component in the final matrix. The final matrix is
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uploaded as transposed so we need to transpose first to cancel
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that out */
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cogl_matrix_translate (matrices + 3, 0.0f, 0.0f, 1.0f);
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cogl_matrix_transpose (matrices + 3);
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for (i = 0; i < 4; i++)
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memcpy (matrix_floats + i * 16,
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cogl_matrix_get_array (matrices + i),
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sizeof (float) * 16);
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/* Set the first three matrices as transposed */
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uniform_location =
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cogl_pipeline_get_uniform_location (pipeline, "matrix_array");
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cogl_pipeline_set_uniform_matrix (pipeline,
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uniform_location,
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4, /* dimensions */
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3, /* count */
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FALSE, /* not transposed */
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matrix_floats);
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/* Set the last matrix as untransposed */
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uniform_location =
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cogl_pipeline_get_uniform_location (pipeline, "matrix_array[3]");
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cogl_pipeline_set_uniform_matrix (pipeline,
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uniform_location,
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4, /* dimensions */
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1, /* count */
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TRUE, /* transposed */
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matrix_floats + 16 * 3);
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paint_pipeline (pipeline, 12);
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}
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static void
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paint_vector_pipeline (CoglPipeline *pipeline)
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{
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float vector_array_values[] = { 1.0f, 0.0f, 0.0f, 0.0f,
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0.0f, 1.0f, 0.0f, 0.0f };
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float short_vector_values[] = { 0.0f, 0.0f, 1.0f };
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int uniform_location;
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uniform_location =
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cogl_pipeline_get_uniform_location (pipeline, "vector_array");
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cogl_pipeline_set_uniform_float (pipeline,
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uniform_location,
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4, /* n_components */
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2, /* count */
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vector_array_values);
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uniform_location =
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cogl_pipeline_get_uniform_location (pipeline, "short_vector");
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cogl_pipeline_set_uniform_float (pipeline,
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uniform_location,
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3, /* n_components */
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1, /* count */
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short_vector_values);
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paint_pipeline (pipeline, 13);
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}
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static void
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paint_int_pipeline (CoglPipeline *pipeline)
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{
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int vector_array_values[] = { 0x00, 0x00, 0xff, 0x00,
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0x00, 0xff, 0x00, 0x00 };
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int single_value = 0x80;
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int uniform_location;
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uniform_location =
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cogl_pipeline_get_uniform_location (pipeline, "vector_array");
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cogl_pipeline_set_uniform_int (pipeline,
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uniform_location,
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4, /* n_components */
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2, /* count */
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vector_array_values);
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uniform_location =
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cogl_pipeline_get_uniform_location (pipeline, "single_value");
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cogl_pipeline_set_uniform_1i (pipeline,
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uniform_location,
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single_value);
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paint_pipeline (pipeline, 14);
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}
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static void
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paint_long_pipeline (TestState *state)
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{
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int i;
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for (i = 0; i < LONG_ARRAY_SIZE; i++)
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{
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int location = state->long_uniform_locations[i];
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cogl_pipeline_set_uniform_1i (state->long_pipeline,
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location,
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i == LONG_ARRAY_SIZE - 1);
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}
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paint_pipeline (state->long_pipeline, 15);
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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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CoglColor color;
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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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paint_color_pipelines (state);
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paint_matrix_pipeline (state->matrix_pipeline);
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paint_vector_pipeline (state->vector_pipeline);
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paint_int_pipeline (state->int_pipeline);
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}
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static void
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check_pos (int pos, guint32 color)
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{
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test_utils_check_pixel (pos * 10 + 5, 5, color);
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}
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static void
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validate_result (void)
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{
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int i;
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check_pos (0, 0xff0000ff);
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check_pos (1, 0xffff00ff);
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check_pos (2, 0xff00ffff);
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for (i = 0; i <= 8; i++)
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{
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int green_value = i / 8.0f * 255.0f + 0.5f;
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check_pos (i + 3, 0xff0000ff + (green_value << 16));
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}
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check_pos (12, 0x0080ffff);
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check_pos (13, 0xffffffff);
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check_pos (14, 0x80ffffff);
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}
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static void
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validate_long_pipeline_result (void)
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{
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check_pos (15, 0xff0000ff);
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}
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void
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test_cogl_pipeline_uniforms (TestUtilsGTestFixture *fixture,
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void *user_data)
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{
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TestUtilsSharedState *shared_state = user_data;
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/* If shaders aren't supported then we can't run the test */
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if (cogl_features_available (COGL_FEATURE_SHADERS_GLSL))
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{
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TestState state;
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state.ctx = shared_state->ctx;
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init_state (&state);
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cogl_ortho (/* left, right */
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0, cogl_framebuffer_get_width (shared_state->fb),
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/* bottom, top */
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cogl_framebuffer_get_height (shared_state->fb), 0,
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/* z near, far */
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-1, 100);
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paint (&state);
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validate_result ();
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/* Try the test again after querying the location of a large
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number of uniforms. This should verify that the bitmasks
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still work even if they have to allocate a separate array to
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store the bits */
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init_long_pipeline_state (&state);
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paint (&state);
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paint_long_pipeline (&state);
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validate_result ();
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validate_long_pipeline_result ();
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destroy_state (&state);
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if (cogl_test_verbose ())
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g_print ("OK\n");
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}
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else if (cogl_test_verbose ())
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g_print ("Skipping\n");
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}
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