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tests/glupload: support opengl3 properly instead of spewing GL errors

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This commit is contained in:
Matthew Waters 2016-08-29 16:57:42 +10:00
parent a730842ff1
commit d2ff585de1
1 changed files with 97 additions and 22 deletions
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119
tests/check/libs/gstglupload.c
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@ -37,6 +37,16 @@ static guint tex_id;
static GstGLShader *shader;
static GLint shader_attr_position_loc;
static GLint shader_attr_texture_loc;
static guint vbo, vbo_indices, vao;
static const GLfloat vertices[] = {
1.0f, 1.0f, 0.0f, 1.0f, 0.0f,
-1.0f, 1.0f, 0.0f, 0.0f, 0.0f,
-1.0f, -1.0f, 0.0f, 0.0f, 1.0f,
1.0f, -1.0f, 0.0f, 1.0f, 1.0f
};
static GLushort indices[] = { 0, 1, 2, 0, 2, 3 };
#define FORMAT GST_VIDEO_GL_TEXTURE_TYPE_RGBA
#define WIDTH 10
@ -90,9 +100,42 @@ teardown (void)
gst_object_unref (shader);
}
static void
_bind_buffer (GstGLContext * context)
{
const GstGLFuncs *gl = context->gl_vtable;
gl->BindBuffer (GL_ELEMENT_ARRAY_BUFFER, vbo_indices);
gl->BindBuffer (GL_ARRAY_BUFFER, vbo);
/* Load the vertex position */
gl->VertexAttribPointer (shader_attr_position_loc, 3, GL_FLOAT, GL_FALSE,
5 * sizeof (GLfloat), (void *) 0);
/* Load the texture coordinate */
gl->VertexAttribPointer (shader_attr_texture_loc, 2, GL_FLOAT, GL_FALSE,
5 * sizeof (GLfloat), (void *) (3 * sizeof (GLfloat)));
gl->EnableVertexAttribArray (shader_attr_position_loc);
gl->EnableVertexAttribArray (shader_attr_texture_loc);
}
static void
_unbind_buffer (GstGLContext * context)
{
const GstGLFuncs *gl = context->gl_vtable;
gl->BindBuffer (GL_ELEMENT_ARRAY_BUFFER, 0);
gl->BindBuffer (GL_ARRAY_BUFFER, 0);
gl->DisableVertexAttribArray (shader_attr_position_loc);
gl->DisableVertexAttribArray (shader_attr_texture_loc);
}
static void
init (gpointer data)
{
const GstGLFuncs *gl = context->gl_vtable;
GError *error = NULL;
shader = gst_gl_shader_new_default (context, &error);
@ -101,7 +144,49 @@ init (gpointer data)
shader_attr_position_loc =
gst_gl_shader_get_attribute_location (shader, "a_position");
shader_attr_texture_loc =
gst_gl_shader_get_attribute_location (shader, "a_texCoord");
gst_gl_shader_get_attribute_location (shader, "a_texcoord");
if (!vbo) {
if (gl->GenVertexArrays) {
gl->GenVertexArrays (1, &vao);
gl->BindVertexArray (vao);
}
gl->GenBuffers (1, &vbo);
gl->BindBuffer (GL_ARRAY_BUFFER, vbo);
gl->BufferData (GL_ARRAY_BUFFER, 4 * 5 * sizeof (GLfloat), vertices,
GL_STATIC_DRAW);
gl->GenBuffers (1, &vbo_indices);
gl->BindBuffer (GL_ELEMENT_ARRAY_BUFFER, vbo_indices);
gl->BufferData (GL_ELEMENT_ARRAY_BUFFER, sizeof (indices), indices,
GL_STATIC_DRAW);
if (gl->GenVertexArrays) {
_bind_buffer (context);
gl->BindVertexArray (0);
}
gl->BindBuffer (GL_ARRAY_BUFFER, 0);
gl->BindBuffer (GL_ELEMENT_ARRAY_BUFFER, 0);
}
}
static void
deinit (gpointer data)
{
GstGLContext *context = data;
const GstGLFuncs *gl = context->gl_vtable;
if (vbo)
gl->DeleteBuffers (1, &vbo);
vbo = 0;
if (vbo_indices)
gl->DeleteBuffers (1, &vbo_indices);
vbo_indices = 0;
if (vao)
gl->DeleteVertexArrays (1, &vao);
vao = 0;
}
static void
@ -110,32 +195,15 @@ draw_render (gpointer data)
GstGLContext *context = data;
GstGLContextClass *context_class = GST_GL_CONTEXT_GET_CLASS (context);
const GstGLFuncs *gl = context->gl_vtable;
const GLfloat vVertices[] = { 1.0f, 1.0f, 0.0f,
1.0f, 0.0f,
-1.0f, 1.0f, 0.0f,
0.0f, 0.0f,
-1.0f, -1.0f, 0.0f,
0.0f, 1.0f,
1.0f, -1.0f, 0.0f,
1.0f, 1.0f
};
GLushort indices[] = { 0, 1, 2, 0, 2, 3 };
gl->Clear (GL_COLOR_BUFFER_BIT);
gst_gl_shader_use (shader);
/* Load the vertex position */
gl->VertexAttribPointer (shader_attr_position_loc, 3,
GL_FLOAT, GL_FALSE, 5 * sizeof (GLfloat), vVertices);
/* Load the texture coordinate */
gl->VertexAttribPointer (shader_attr_texture_loc, 2,
GL_FLOAT, GL_FALSE, 5 * sizeof (GLfloat), &vVertices[3]);
gl->EnableVertexAttribArray (shader_attr_position_loc);
gl->EnableVertexAttribArray (shader_attr_texture_loc);
if (gl->GenVertexArrays)
gl->BindVertexArray (vao);
else
_bind_buffer (context);
gl->ActiveTexture (GL_TEXTURE0);
gl->BindTexture (GL_TEXTURE_2D, tex_id);
@ -143,6 +211,11 @@ draw_render (gpointer data)
gl->DrawElements (GL_TRIANGLES, 6, GL_UNSIGNED_SHORT, indices);
if (gl->GenVertexArrays)
gl->BindVertexArray (0);
else
_unbind_buffer (context);
context_class->swap_buffers (context);
}
@ -185,6 +258,7 @@ GST_START_TEST (test_upload_data)
context);
i++;
}
gst_gl_window_send_message (window, GST_GL_WINDOW_CB (deinit), context);
gst_caps_unref (in_caps);
gst_caps_unref (out_caps);
@ -290,6 +364,7 @@ GST_START_TEST (test_upload_gl_memory)
context);
i++;
}
gst_gl_window_send_message (window, GST_GL_WINDOW_CB (deinit), context);
gst_caps_unref (in_caps);
gst_buffer_unref (buffer);