#include #include #include "test-utils.h" typedef struct _TestState { CoglContext *ctx; CoglFramebuffer *fb; CoglPipeline *pipeline; } TestState; typedef struct { gint16 x, y; float r, g, b, a; } FloatVert; typedef struct { gint16 x, y; guint8 r, g, b, a; } ByteVert; typedef struct { gint16 x, y; } ShortVert; static void test_float_verts (TestState *state, int offset_x, int offset_y) { CoglAttribute *attributes[2]; CoglAttributeBuffer *buffer; static const FloatVert float_verts[] = { { 0, 10, /**/ 1, 0, 0, 1 }, { 10, 10, /**/ 1, 0, 0, 1 }, { 5, 0, /**/ 1, 0, 0, 1 }, { 10, 10, /**/ 0, 1, 0, 1 }, { 20, 10, /**/ 0, 1, 0, 1 }, { 15, 0, /**/ 0, 1, 0, 1 } }; buffer = cogl_attribute_buffer_new (state->ctx, sizeof (float_verts), float_verts); attributes[0] = cogl_attribute_new (buffer, "cogl_position_in", sizeof (FloatVert), G_STRUCT_OFFSET (FloatVert, x), 2, /* n_components */ COGL_ATTRIBUTE_TYPE_SHORT); attributes[1] = cogl_attribute_new (buffer, "color", sizeof (FloatVert), G_STRUCT_OFFSET (FloatVert, r), 4, /* n_components */ COGL_ATTRIBUTE_TYPE_FLOAT); cogl_push_matrix (); cogl_translate (offset_x, offset_y, 0.0f); cogl_framebuffer_draw_attributes (state->fb, state->pipeline, COGL_VERTICES_MODE_TRIANGLES, 0, /* first_vertex */ 6, /* n_vertices */ attributes, 2 /* n_attributes */); cogl_pop_matrix (); cogl_object_unref (attributes[1]); cogl_object_unref (attributes[0]); cogl_object_unref (buffer); test_utils_check_pixel (offset_x + 5, offset_y + 5, 0xff0000ff); test_utils_check_pixel (offset_x + 15, offset_y + 5, 0x00ff00ff); } static void test_byte_verts (TestState *state, int offset_x, int offset_y) { CoglAttribute *attributes[2]; CoglAttributeBuffer *buffer, *unnorm_buffer; static const ByteVert norm_verts[] = { { 0, 10, /**/ 255, 0, 0, 255 }, { 10, 10, /**/ 255, 0, 0, 255 }, { 5, 0, /**/ 255, 0, 0, 255 }, { 10, 10, /**/ 0, 255, 0, 255 }, { 20, 10, /**/ 0, 255, 0, 255 }, { 15, 0, /**/ 0, 255, 0, 255 } }; static const ByteVert unnorm_verts[] = { { 0, 0, /**/ 0, 0, 1, 1 }, { 0, 0, /**/ 0, 0, 1, 1 }, { 0, 0, /**/ 0, 0, 1, 1 }, }; buffer = cogl_attribute_buffer_new (state->ctx, sizeof (norm_verts), norm_verts); attributes[0] = cogl_attribute_new (buffer, "cogl_position_in", sizeof (ByteVert), G_STRUCT_OFFSET (ByteVert, x), 2, /* n_components */ COGL_ATTRIBUTE_TYPE_SHORT); attributes[1] = cogl_attribute_new (buffer, "color", sizeof (ByteVert), G_STRUCT_OFFSET (ByteVert, r), 4, /* n_components */ COGL_ATTRIBUTE_TYPE_UNSIGNED_BYTE); cogl_attribute_set_normalized (attributes[1], TRUE); cogl_push_matrix (); cogl_translate (offset_x, offset_y, 0.0f); cogl_framebuffer_draw_attributes (state->fb, state->pipeline, COGL_VERTICES_MODE_TRIANGLES, 0, /* first_vertex */ 6, /* n_vertices */ attributes, 2 /* n_attributes */); cogl_object_unref (attributes[1]); /* Test again with unnormalized attributes */ unnorm_buffer = cogl_attribute_buffer_new (state->ctx, sizeof (unnorm_verts), unnorm_verts); attributes[1] = cogl_attribute_new (unnorm_buffer, "color", sizeof (ByteVert), G_STRUCT_OFFSET (ByteVert, r), 4, /* n_components */ COGL_ATTRIBUTE_TYPE_BYTE); cogl_translate (20, 0, 0); cogl_framebuffer_draw_attributes (state->fb, state->pipeline, COGL_VERTICES_MODE_TRIANGLES, 0, /* first_vertex */ 3, /* n_vertices */ attributes, 2 /* n_attributes */); cogl_pop_matrix (); cogl_object_unref (attributes[0]); cogl_object_unref (attributes[1]); cogl_object_unref (buffer); cogl_object_unref (unnorm_buffer); test_utils_check_pixel (offset_x + 5, offset_y + 5, 0xff0000ff); test_utils_check_pixel (offset_x + 15, offset_y + 5, 0x00ff00ff); test_utils_check_pixel (offset_x + 25, offset_y + 5, 0x0000ffff); } static void test_short_verts (TestState *state, int offset_x, int offset_y) { CoglAttribute *attributes[1]; CoglAttributeBuffer *buffer; CoglPipeline *pipeline, *pipeline2; CoglSnippet *snippet; static const ShortVert short_verts[] = { { -10, -10 }, { -1, -10 }, { -5, -1 } }; pipeline = cogl_pipeline_new (state->ctx); snippet = cogl_snippet_new (COGL_SNIPPET_HOOK_VERTEX_TRANSFORM, "attribute vec2 pos;", NULL); cogl_snippet_set_replace (snippet, "cogl_position_out = " "cogl_modelview_projection_matrix * " "vec4 (pos, 0.0, 1.0);"); cogl_pipeline_add_snippet (pipeline, snippet); cogl_object_unref (snippet); cogl_pipeline_set_color4ub (pipeline, 255, 0, 0, 255); buffer = cogl_attribute_buffer_new (state->ctx, sizeof (short_verts), short_verts); attributes[0] = cogl_attribute_new (buffer, "pos", sizeof (ShortVert), G_STRUCT_OFFSET (ShortVert, x), 2, /* n_components */ COGL_ATTRIBUTE_TYPE_SHORT); cogl_push_matrix (); cogl_translate (offset_x + 10.0f, offset_y + 10.0f, 0.0f); cogl_framebuffer_draw_attributes (state->fb, pipeline, COGL_VERTICES_MODE_TRIANGLES, 0, /* first_vertex */ 3, /* n_vertices */ attributes, 1 /* n_attributes */); cogl_pop_matrix (); cogl_object_unref (attributes[0]); /* Test again treating the attribute as unsigned */ attributes[0] = cogl_attribute_new (buffer, "pos", sizeof (ShortVert), G_STRUCT_OFFSET (ShortVert, x), 2, /* n_components */ COGL_ATTRIBUTE_TYPE_UNSIGNED_SHORT); pipeline2 = cogl_pipeline_copy (pipeline); cogl_pipeline_set_color4ub (pipeline2, 0, 255, 0, 255); cogl_push_matrix (); cogl_translate (offset_x + 10.0f - 65525.0f, offset_y - 65525, 0.0f); cogl_framebuffer_draw_attributes (state->fb, pipeline2, COGL_VERTICES_MODE_TRIANGLES, 0, /* first_vertex */ 3, /* n_vertices */ attributes, 1 /* n_attributes */); cogl_pop_matrix (); cogl_object_unref (attributes[0]); cogl_object_unref (pipeline2); cogl_object_unref (pipeline); cogl_object_unref (buffer); test_utils_check_pixel (offset_x + 5, offset_y + 5, 0xff0000ff); test_utils_check_pixel (offset_x + 15, offset_y + 5, 0x00ff00ff); } static void paint (TestState *state) { CoglColor color; cogl_color_init_from_4ub (&color, 0, 0, 0, 255); cogl_clear (&color, COGL_BUFFER_BIT_COLOR); test_float_verts (state, 0, 0); test_byte_verts (state, 0, 10); test_short_verts (state, 0, 20); } void test_cogl_custom_attributes (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)) { CoglSnippet *snippet; TestState state; state.fb = shared_state->fb; state.ctx = shared_state->ctx; 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); state.pipeline = cogl_pipeline_new (state.ctx); snippet = cogl_snippet_new (COGL_SNIPPET_HOOK_VERTEX, "attribute vec4 color;", "cogl_color_out = color;"); cogl_pipeline_add_snippet (state.pipeline, snippet); paint (&state); cogl_object_unref (state.pipeline); cogl_object_unref (snippet); if (g_test_verbose ()) g_print ("OK\n"); } else if (g_test_verbose ()) g_print ("Skipping\n"); }