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cogl/tests/backface-culling: Port to non-deprecated API

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Usage of cogl_polygon() was ported to CoglPrimitive, and implicit
framebuffer stack API was ported to explicit framebuffer based API.

https://gitlab.gnome.org/GNOME/mutter/merge_requests/935
This commit is contained in:
Jonas Ådahl 2019-11-22 11:57:37 +01:00 committed by Georges Basile Stavracas Neto
parent 7faf9f91db
commit 294b4eda4c
1 changed files with 38 additions and 27 deletions
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65
cogl/tests/conform/test-backface-culling.c
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@ -69,45 +69,47 @@ paint_test_backface_culling (TestState *state,
COGL_PIPELINE_FILTER_NEAREST,
COGL_PIPELINE_FILTER_NEAREST);
cogl_push_framebuffer (framebuffer);
/* Render the scene sixteen times to test all of the combinations of
cull face mode, legacy state and winding orders */
for (draw_num = 0; draw_num < 16; draw_num++)
for (draw_num = 0; draw_num < 8; draw_num++)
{
float x1 = 0, x2, y1 = 0, y2 = (float)(TEXTURE_RENDER_SIZE);
CoglTextureVertex verts[4];
CoglVertexP3T2 verts[4];
CoglPrimitive *primitive;
CoglPipeline *pipeline;
cogl_push_matrix ();
cogl_translate (0, TEXTURE_RENDER_SIZE * draw_num, 0);
cogl_framebuffer_push_matrix (framebuffer);
cogl_framebuffer_translate (framebuffer,
0,
TEXTURE_RENDER_SIZE * draw_num,
0);
pipeline = cogl_pipeline_copy (base_pipeline);
cogl_pipeline_set_front_face_winding (pipeline, FRONT_WINDING (draw_num));
cogl_pipeline_set_cull_face_mode (pipeline, CULL_FACE_MODE (draw_num));
cogl_push_source (pipeline);
memset (verts, 0, sizeof (verts));
x2 = x1 + (float)(TEXTURE_RENDER_SIZE);
/* Draw a front-facing texture */
cogl_rectangle (x1, y1, x2, y2);
cogl_framebuffer_draw_rectangle (framebuffer, pipeline, x1, y1, x2, y2);
x1 = x2;
x2 = x1 + (float)(TEXTURE_RENDER_SIZE);
/* Draw a front-facing texture with flipped texcoords */
cogl_rectangle_with_texture_coords (x1, y1, x2, y2,
1.0, 0.0, 0.0, 1.0);
cogl_framebuffer_draw_textured_rectangle (framebuffer, pipeline,
x1, y1, x2, y2,
1.0, 0.0, 0.0, 1.0);
x1 = x2;
x2 = x1 + (float)(TEXTURE_RENDER_SIZE);
/* Draw a back-facing texture */
cogl_rectangle (x2, y1, x1, y2);
cogl_framebuffer_draw_rectangle (framebuffer, pipeline,
x2, y1, x1, y2);
x1 = x2;
x2 = x1 + (float)(TEXTURE_RENDER_SIZE);
@ -115,18 +117,24 @@ paint_test_backface_culling (TestState *state,
/* If the texture is sliced then cogl_polygon doesn't work so
we'll just use a solid color instead */
if (cogl_texture_is_sliced (state->texture))
cogl_set_source_color4ub (255, 0, 0, 255);
cogl_pipeline_set_color4ub (pipeline, 255, 0, 0, 255);
/* Draw a front-facing polygon */
verts[0].x = x1; verts[0].y = y2;
verts[1].x = x2; verts[1].y = y2;
verts[2].x = x2; verts[2].y = y1;
verts[3].x = x1; verts[3].y = y1;
verts[0].tx = 0; verts[0].ty = 0;
verts[1].tx = 1.0; verts[1].ty = 0;
verts[2].tx = 1.0; verts[2].ty = 1.0;
verts[3].tx = 0; verts[3].ty = 1.0;
cogl_polygon (verts, 4, FALSE);
verts[0].s = 0; verts[0].t = 0;
verts[1].s = 1.0; verts[1].t = 0;
verts[2].s = 1.0; verts[2].t = 1.0;
verts[3].s = 0; verts[3].t = 1.0;
primitive = cogl_primitive_new_p3t2 (test_ctx,
COGL_VERTICES_MODE_TRIANGLE_FAN,
4,
verts);
cogl_primitive_draw (primitive, framebuffer, pipeline);
cogl_object_unref (primitive);
x1 = x2;
x2 = x1 + (float)(TEXTURE_RENDER_SIZE);
@ -136,23 +144,26 @@ paint_test_backface_culling (TestState *state,
verts[1].x = x2; verts[1].y = y1;
verts[2].x = x2; verts[2].y = y2;
verts[3].x = x1; verts[3].y = y2;
verts[0].tx = 0; verts[0].ty = 0;
verts[1].tx = 1.0; verts[1].ty = 0;
verts[2].tx = 1.0; verts[2].ty = 1.0;
verts[3].tx = 0; verts[3].ty = 1.0;
cogl_polygon (verts, 4, FALSE);
verts[0].s = 0; verts[0].t = 0;
verts[1].s = 1.0; verts[1].t = 0;
verts[2].s = 1.0; verts[2].t = 1.0;
verts[3].s = 0; verts[3].t = 1.0;
primitive = cogl_primitive_new_p3t2 (test_ctx,
COGL_VERTICES_MODE_TRIANGLE_FAN,
4,
verts);
cogl_primitive_draw (primitive, framebuffer, pipeline);
cogl_object_unref (primitive);
x1 = x2;
x2 = x1 + (float)(TEXTURE_RENDER_SIZE);
cogl_pop_matrix ();
cogl_framebuffer_pop_matrix (framebuffer);
cogl_pop_source ();
cogl_object_unref (pipeline);
}
cogl_pop_framebuffer ();
cogl_object_unref (base_pipeline);
}