[Piglit] [PATCH] draw-vertices-half-float: Add coverage for GL_OES_vertex_half_float

Tapani Pälli tapani.palli at intel.com
Thu Nov 3 07:00:50 UTC 2016


going from RGB ro RGBA (adding of alpha channel) seems like an 
unnecessary change but harmless ...

Reviewed-by: Tapani Pälli <tapani.palli at intel.com>

On 10/11/2016 12:25 AM, Kevin Strasser wrote:
> Add ES2 implementation to the test to provide coverage for
> GL_OES_vertex_half_float extension. The tests will continue to pass on mesa
> for desktop GL as well as ES2 once supported is added.
>
> Signed-off-by: Kevin Strasser <kevin.strasser at intel.com>
> ---
>  tests/all.py                             |  6 ++
>  tests/general/CMakeLists.gles2.txt       |  4 ++
>  tests/general/draw-vertices-half-float.c | 99 +++++++++++++++++++++++---------
>  3 files changed, 82 insertions(+), 27 deletions(-)
>  create mode 100644 tests/general/CMakeLists.gles2.txt
>
> diff --git a/tests/all.py b/tests/all.py
> index 2382054..7855116 100644
> --- a/tests/all.py
> +++ b/tests/all.py
> @@ -4163,6 +4163,12 @@ with profile.group_manager(
>        run_concurrent=False)
>
>  with profile.group_manager(
> +        PiglitGLTest, grouptools.join('spec', 'oes_vertex_half_float')) as g:
> +    g(['draw-vertices-half-float_gles2'], run_concurrent=False)
> +    g(['draw-vertices-half-float_gles2', 'user'], 'draw-vertices-half-float-user_gles2',
> +      run_concurrent=False)
> +
> +with profile.group_manager(
>          PiglitGLTest,
>          grouptools.join('spec', 'arb_vertex_type_2_10_10_10_rev')) as g:
>      g(['draw-vertices-2101010'], run_concurrent=False)
> diff --git a/tests/general/CMakeLists.gles2.txt b/tests/general/CMakeLists.gles2.txt
> new file mode 100644
> index 0000000..c3db943
> --- /dev/null
> +++ b/tests/general/CMakeLists.gles2.txt
> @@ -0,0 +1,4 @@
> +link_libraries(piglitutil_${piglit_target_api})
> +
> +piglit_add_executable(draw-vertices-half-float_gles2 draw-vertices-half-float.c)
> +
> diff --git a/tests/general/draw-vertices-half-float.c b/tests/general/draw-vertices-half-float.c
> index dfd2da8..2489c99 100644
> --- a/tests/general/draw-vertices-half-float.c
> +++ b/tests/general/draw-vertices-half-float.c
> @@ -34,15 +34,33 @@
>  PIGLIT_GL_TEST_CONFIG_BEGIN
>
>  	config.supports_gl_compat_version = 10;
> +	config.supports_gl_es_version = 20;
>
>  	config.window_width = 320;
>  	config.window_height = 60;
> -	config.window_visual = PIGLIT_GL_VISUAL_RGB | PIGLIT_GL_VISUAL_DOUBLE;
> +	config.window_visual = PIGLIT_GL_VISUAL_RGBA | PIGLIT_GL_VISUAL_DOUBLE;
>
>  PIGLIT_GL_TEST_CONFIG_END
>
>  GLboolean user_va = GL_FALSE;
>
> +static GLenum vertex_array_type;
> +
> +#ifndef PIGLIT_USE_OPENGL
> +static const char *vs_text =
> +    "attribute vec4 position;\n"
> +    "uniform mat4 projection;\n"
> +    "void main() { gl_Position = projection * position; }\n";
> +
> +static const char *fs_text =
> +    "precision mediump float;\n"
> +    "void main() { gl_FragColor = vec4(1.0, 1.0, 1.0, 1.0); }\n";
> +
> +static GLuint prog;
> +static GLint projection_loc;
> +static GLint position_loc;
> +#endif
> +
>  void piglit_init(int argc, char **argv)
>  {
>      unsigned i;
> @@ -54,12 +72,27 @@ void piglit_init(int argc, char **argv)
>          }
>      }
>
> +#ifdef PIGLIT_USE_OPENGL
>      piglit_ortho_projection(piglit_width, piglit_height, GL_FALSE);
>
>      piglit_require_gl_version(15);
>      piglit_require_extension("GL_ARB_half_float_vertex");
>
>      glShadeModel(GL_FLAT);
> +
> +    vertex_array_type = GL_HALF_FLOAT_ARB;
> +#else
> +    piglit_require_extension("GL_OES_vertex_half_float");
> +
> +    prog = piglit_build_simple_program(vs_text, fs_text);
> +    glUseProgram(prog);
> +    position_loc = glGetAttribLocation(prog, "position");
> +    projection_loc = glGetUniformLocation(prog, "projection");
> +
> +    piglit_ortho_uniform(projection_loc, piglit_width, piglit_height);
> +
> +    vertex_array_type = GL_HALF_FLOAT_OES;
> +#endif
>      glClearColor(0.2, 0.2, 0.2, 1.0);
>  }
>
> @@ -68,13 +101,23 @@ static GLuint vboVertexPointer(GLint size, GLenum type, GLsizei stride,
>  {
>      GLuint id;
>      if (user_va) {
> +#ifdef PIGLIT_USE_OPENGL
>          glVertexPointer(size, type, stride, (char*)buf + bufOffset);
> +#else
> +        glEnableVertexAttribArray(position_loc);
> +        glVertexAttribPointer(position_loc, size, type, GL_FALSE, stride, (char*)buf + bufOffset);
> +#endif
>          return 0;
>      }
>      glGenBuffers(1, &id);
>      glBindBuffer(GL_ARRAY_BUFFER, id);
>      glBufferData(GL_ARRAY_BUFFER, bufSize, buf, GL_STATIC_DRAW);
> +#ifdef PIGLIT_USE_OPENGL
>      glVertexPointer(size, type, stride, (void*)bufOffset);
> +#else
> +    glEnableVertexAttribArray(position_loc);
> +    glVertexAttribPointer(position_loc, size, type, GL_FALSE, stride, (void*)bufOffset);
> +#endif
>      return id;
>  }
>
> @@ -118,23 +161,23 @@ static void test_half_vertices_wrapped(unsigned short x1, unsigned short y1,
>      GLuint vbo;
>
>      switch (index) {
> -        case 0: vbo = vboVertexPointer(2, GL_HALF_FLOAT_ARB, 4, v2, sizeof(v2), 0); break;
> +        case 0: vbo = vboVertexPointer(2, vertex_array_type, 4, v2, sizeof(v2), 0); break;
>
> -        case 1: vbo = vboVertexPointer(2, GL_HALF_FLOAT_ARB, 6, v3, sizeof(v3), 0); break;
> -        case 2: vbo = vboVertexPointer(3, GL_HALF_FLOAT_ARB, 6, v3, sizeof(v3), 0); break;
> +        case 1: vbo = vboVertexPointer(2, vertex_array_type, 6, v3, sizeof(v3), 0); break;
> +        case 2: vbo = vboVertexPointer(3, vertex_array_type, 6, v3, sizeof(v3), 0); break;
>
> -        case 3: vbo = vboVertexPointer(2, GL_HALF_FLOAT_ARB, 8, v4, sizeof(v4), 0); break;
> -        case 4: vbo = vboVertexPointer(3, GL_HALF_FLOAT_ARB, 8, v4, sizeof(v4), 0); break;
> -        case 5: vbo = vboVertexPointer(4, GL_HALF_FLOAT_ARB, 8, v4, sizeof(v4), 0); break;
> +        case 3: vbo = vboVertexPointer(2, vertex_array_type, 8, v4, sizeof(v4), 0); break;
> +        case 4: vbo = vboVertexPointer(3, vertex_array_type, 8, v4, sizeof(v4), 0); break;
> +        case 5: vbo = vboVertexPointer(4, vertex_array_type, 8, v4, sizeof(v4), 0); break;
>
> -        case 6: vbo = vboVertexPointer(2, GL_HALF_FLOAT_ARB, 4, v2o, sizeof(v2o), 2); break;
> +        case 6: vbo = vboVertexPointer(2, vertex_array_type, 4, v2o, sizeof(v2o), 2); break;
>
> -        case 7: vbo = vboVertexPointer(2, GL_HALF_FLOAT_ARB, 6, v3o, sizeof(v3o), 2); break;
> -        case 8: vbo = vboVertexPointer(3, GL_HALF_FLOAT_ARB, 6, v3o, sizeof(v3o), 2); break;
> +        case 7: vbo = vboVertexPointer(2, vertex_array_type, 6, v3o, sizeof(v3o), 2); break;
> +        case 8: vbo = vboVertexPointer(3, vertex_array_type, 6, v3o, sizeof(v3o), 2); break;
>
> -        case 9: vbo = vboVertexPointer(2, GL_HALF_FLOAT_ARB, 8, v4o, sizeof(v4o), 2); break;
> -        case 10:vbo = vboVertexPointer(3, GL_HALF_FLOAT_ARB, 8, v4o, sizeof(v4o), 2); break;
> -        case 11:vbo = vboVertexPointer(4, GL_HALF_FLOAT_ARB, 8, v4o, sizeof(v4o), 2); break;
> +        case 9: vbo = vboVertexPointer(2, vertex_array_type, 8, v4o, sizeof(v4o), 2); break;
> +        case 10:vbo = vboVertexPointer(3, vertex_array_type, 8, v4o, sizeof(v4o), 2); break;
> +        case 11:vbo = vboVertexPointer(4, vertex_array_type, 8, v4o, sizeof(v4o), 2); break;
>
>          default:vbo = 0; assert(0); break;
>      }
> @@ -160,23 +203,23 @@ static void test_half_vertices(float fx1, float fy1, float fx2, float fy2, int i
>  struct test {
>      void (*test)(float x1, float y1, float x2, float y2, int index);
>      int index;
> -    float expected_color[3];
> +    float expected_color[4];
>      const char *name;
>  };
>
>  struct test tests[] = {
> -    {test_half_vertices, 0, {1, 1, 1}, "Half vertices - components: 2, stride: 4, offset: 0"},
> -    {test_half_vertices, 1, {1, 1, 1}, "Half vertices - components: 2, stride: 6, offset: 0"},
> -    {test_half_vertices, 2, {1, 1, 1}, "Half vertices - components: 3, stride: 6, offset: 0"},
> -    {test_half_vertices, 3, {1, 1, 1}, "Half vertices - components: 2, stride: 8, offset: 0"},
> -    {test_half_vertices, 4, {1, 1, 1}, "Half vertices - components: 3, stride: 8, offset: 0"},
> -    {test_half_vertices, 5, {1, 1, 1}, "Half vertices - components: 4, stride: 8, offset: 0"},
> -    {test_half_vertices, 6, {1, 1, 1}, "Half vertices - components: 2, stride: 4, offset: 2"},
> -    {test_half_vertices, 7, {1, 1, 1}, "Half vertices - components: 2, stride: 6, offset: 2"},
> -    {test_half_vertices, 8, {1, 1, 1}, "Half vertices - components: 3, stride: 6, offset: 2"},
> -    {test_half_vertices, 9, {1, 1, 1}, "Half vertices - components: 2, stride: 8, offset: 2"},
> -    {test_half_vertices, 10, {1, 1, 1}, "Half vertices - components: 3, stride: 8, offset: 2"},
> -    {test_half_vertices, 11, {1, 1, 1}, "Half vertices - components: 4, stride: 8, offset: 2"},
> +    {test_half_vertices, 0, {1, 1, 1, 1}, "Half vertices - components: 2, stride: 4, offset: 0"},
> +    {test_half_vertices, 1, {1, 1, 1, 1}, "Half vertices - components: 2, stride: 6, offset: 0"},
> +    {test_half_vertices, 2, {1, 1, 1, 1}, "Half vertices - components: 3, stride: 6, offset: 0"},
> +    {test_half_vertices, 3, {1, 1, 1, 1}, "Half vertices - components: 2, stride: 8, offset: 0"},
> +    {test_half_vertices, 4, {1, 1, 1, 1}, "Half vertices - components: 3, stride: 8, offset: 0"},
> +    {test_half_vertices, 5, {1, 1, 1, 1}, "Half vertices - components: 4, stride: 8, offset: 0"},
> +    {test_half_vertices, 6, {1, 1, 1, 1}, "Half vertices - components: 2, stride: 4, offset: 2"},
> +    {test_half_vertices, 7, {1, 1, 1, 1}, "Half vertices - components: 2, stride: 6, offset: 2"},
> +    {test_half_vertices, 8, {1, 1, 1, 1}, "Half vertices - components: 3, stride: 6, offset: 2"},
> +    {test_half_vertices, 9, {1, 1, 1, 1}, "Half vertices - components: 2, stride: 8, offset: 2"},
> +    {test_half_vertices, 10, {1, 1, 1, 1}, "Half vertices - components: 3, stride: 8, offset: 2"},
> +    {test_half_vertices, 11, {1, 1, 1, 1}, "Half vertices - components: 4, stride: 8, offset: 2"},
>
>      {0}
>  };
> @@ -189,7 +232,9 @@ piglit_display(void)
>      float x = 0, y = 0;
>
>      glClear(GL_COLOR_BUFFER_BIT);
> +#ifdef PIGLIT_USE_OPENGL
>      glEnableClientState(GL_VERTEX_ARRAY);
> +#endif
>
>      for (i = 0; tests[i].test; i++) {
>          glBindBuffer(GL_ARRAY_BUFFER, 0);
> @@ -198,7 +243,7 @@ piglit_display(void)
>          tests[i].test(x, y, x+20, y+20, tests[i].index);
>          if (!piglit_check_gl_error(GL_NO_ERROR))
>  		 piglit_report_result(PIGLIT_FAIL);
> -        pass = piglit_probe_pixel_rgb(x+5, y+5, tests[i].expected_color) && pass;
> +        pass = piglit_probe_pixel_rgba(x+5, y+5, tests[i].expected_color) && pass;
>
>          x += 20;
>          if (x > 300) {
>


More information about the Piglit mailing list