gstreamer/tests/check/libs/gstglupload.c

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/* GStreamer
*
* Copyright (C) 2014 Matthew Waters <ystreet00@gmail.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <gst/check/gstcheck.h>
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#include <gst/gl/gstglfuncs.h>
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#include <gst/gl/gl.h>
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#include <stdio.h>
static GstGLDisplay *display;
static GstGLContext *context;
static GstGLWindow *window;
static GstGLUpload *upload;
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 GstGLFramebuffer *fbo;
static GstGLMemory *fbo_tex;
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 };
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#define FORMAT GST_GL_RGBA
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#define WIDTH 10
#define HEIGHT 10
#define RED 0xff, 0x00, 0x00, 0xff
#define GREEN 0x00, 0xff, 0x00, 0xff
#define BLUE 0x00, 0x00, 0xff, 0xff
static gchar rgba_data[] =
{ RED, GREEN, BLUE, RED, GREEN, BLUE, RED, GREEN, BLUE, RED,
GREEN, BLUE, RED, GREEN, BLUE, RED, GREEN, BLUE, RED, GREEN,
BLUE, RED, GREEN, BLUE, RED, GREEN, BLUE, RED, GREEN, BLUE,
RED, RED, RED, RED, RED, RED, RED, RED, RED, RED,
GREEN, GREEN, GREEN, GREEN, GREEN, GREEN, GREEN, GREEN, GREEN, GREEN,
BLUE, BLUE, BLUE, BLUE, BLUE, BLUE, BLUE, BLUE, BLUE, BLUE,
RED, GREEN, BLUE, RED, GREEN, BLUE, RED, GREEN, BLUE, RED,
RED, GREEN, BLUE, RED, GREEN, BLUE, RED, GREEN, BLUE, RED,
RED, GREEN, BLUE, RED, GREEN, BLUE, RED, GREEN, BLUE, RED,
RED, GREEN, BLUE, RED, GREEN, BLUE, RED, GREEN, BLUE, RED
};
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static void
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setup (void)
{
GError *error = NULL;
display = gst_gl_display_new ();
context = gst_gl_context_new (display);
gst_gl_context_create (context, 0, &error);
window = gst_gl_context_get_window (context);
fail_if (error != NULL, "Error creating context: %s\n",
error ? error->message : "Unknown Error");
upload = gst_gl_upload_new (context);
}
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static void
_check_gl_error (GstGLContext * context, gpointer data)
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{
GLuint error = context->gl_vtable->GetError ();
fail_if (error != GL_NONE, "GL error 0x%x encountered during processing\n",
error);
}
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static void
teardown (void)
{
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gst_object_unref (upload);
gst_object_unref (window);
gst_gl_context_thread_add (context, (GstGLContextThreadFunc) _check_gl_error,
NULL);
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gst_object_unref (context);
gst_object_unref (display);
if (shader)
gst_object_unref (shader);
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}
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);
}
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static void
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init (gpointer data)
{
const GstGLFuncs *gl = context->gl_vtable;
GError *error = NULL;
shader = gst_gl_shader_new_default (context, &error);
fail_if (shader == NULL, "failed to create shader object %s", error->message);
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");
fbo = gst_gl_framebuffer_new_with_default_depth (context, WIDTH, HEIGHT);
{
GstGLMemoryAllocator *allocator;
GstGLVideoAllocationParams *params;
GstVideoInfo v_info;
allocator = gst_gl_memory_allocator_get_default (context);
gst_video_info_set_format (&v_info, GST_VIDEO_FORMAT_RGBA, WIDTH, HEIGHT);
params =
gst_gl_video_allocation_params_new (context, NULL, &v_info, 0, NULL,
GST_GL_TEXTURE_TARGET_2D, FORMAT);
fbo_tex =
(GstGLMemory *) gst_gl_base_memory_alloc ((GstGLBaseMemoryAllocator *)
allocator, (GstGLAllocationParams *) params);
gst_object_unref (allocator);
gst_gl_allocation_params_free ((GstGLAllocationParams *) params);
}
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;
if (fbo)
gst_object_unref (fbo);
fbo = NULL;
if (fbo_tex)
gst_memory_unref (GST_MEMORY_CAST (fbo_tex));
fbo_tex = NULL;
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}
static gboolean
blit_tex (gpointer data)
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{
GstGLContext *context = data;
const GstGLFuncs *gl = context->gl_vtable;
gl->Clear (GL_COLOR_BUFFER_BIT);
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gst_gl_shader_use (shader);
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if (gl->GenVertexArrays)
gl->BindVertexArray (vao);
_bind_buffer (context);
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gl->ActiveTexture (GL_TEXTURE0);
gl->BindTexture (GL_TEXTURE_2D, tex_id);
gst_gl_shader_set_uniform_1i (shader, "s_texture", 0);
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gl->DrawElements (GL_TRIANGLES, 6, GL_UNSIGNED_SHORT, indices);
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if (gl->GenVertexArrays)
gl->BindVertexArray (0);
_unbind_buffer (context);
return TRUE;
}
static void
draw_render (gpointer data)
{
gst_gl_framebuffer_draw_to_texture (fbo, fbo_tex,
(GstGLFramebufferFunc) blit_tex, data);
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}
GST_START_TEST (test_upload_data)
{
GstCaps *in_caps, *out_caps;
GstBuffer *inbuf, *outbuf;
GstMapInfo map_info;
gint res;
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gint i = 0;
in_caps = gst_caps_from_string ("video/x-raw,format=RGBA,"
"width=10,height=10");
out_caps = gst_caps_from_string ("video/x-raw(memory:GLMemory),"
"format=RGBA,width=10,height=10");
gst_gl_upload_set_caps (upload, in_caps, out_caps);
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inbuf = gst_buffer_new_wrapped_full (0, rgba_data, WIDTH * HEIGHT * 4,
0, WIDTH * HEIGHT * 4, NULL, NULL);
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res = gst_gl_upload_perform_with_buffer (upload, inbuf, &outbuf);
fail_unless (res == GST_GL_UPLOAD_DONE, "Failed to upload buffer");
fail_unless (GST_IS_BUFFER (outbuf));
res = gst_buffer_map (outbuf, &map_info, GST_MAP_READ | GST_MAP_GL);
fail_if (res == FALSE, "Failed to map gl memory");
tex_id = *(guint *) map_info.data;
gst_buffer_unmap (outbuf, &map_info);
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gst_gl_window_set_preferred_size (window, WIDTH, HEIGHT);
gst_gl_window_draw (window);
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gst_gl_window_send_message (window, GST_GL_WINDOW_CB (init), context);
while (i < 2) {
gst_gl_window_send_message (window, GST_GL_WINDOW_CB (draw_render),
context);
i++;
}
gst_gl_window_send_message (window, GST_GL_WINDOW_CB (deinit), context);
gst_caps_unref (in_caps);
gst_caps_unref (out_caps);
gst_buffer_unref (inbuf);
gst_buffer_unref (outbuf);
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}
GST_END_TEST;
GST_START_TEST (test_upload_gl_memory)
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{
GstGLBaseMemoryAllocator *base_mem_alloc;
GstGLVideoAllocationParams *params;
GstBuffer *buffer, *outbuf;
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GstGLMemory *gl_mem;
GstCaps *in_caps, *out_caps;
GstStructure *out_s;
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GstVideoInfo in_info;
GstMapInfo map_info;
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gint i = 0;
gint res;
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base_mem_alloc =
GST_GL_BASE_MEMORY_ALLOCATOR (gst_allocator_find
(GST_GL_MEMORY_ALLOCATOR_NAME));
in_caps = gst_caps_from_string ("video/x-raw,format=RGBA,width=10,height=10");
gst_video_info_from_caps (&in_info, in_caps);
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/* create GL buffer */
buffer = gst_buffer_new ();
params = gst_gl_video_allocation_params_new_wrapped_data (context, NULL,
&in_info, 0, NULL, GST_GL_TEXTURE_TARGET_2D,
GST_GL_RGBA, rgba_data, NULL, NULL);
gl_mem = (GstGLMemory *) gst_gl_base_memory_alloc (base_mem_alloc,
(GstGLAllocationParams *) params);
gst_gl_allocation_params_free ((GstGLAllocationParams *) params);
res =
gst_memory_map ((GstMemory *) gl_mem, &map_info,
GST_MAP_READ | GST_MAP_GL);
fail_if (res == FALSE, "Failed to map gl memory\n");
tex_id = *(guint *) map_info.data;
gst_memory_unmap ((GstMemory *) gl_mem, &map_info);
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gst_buffer_append_memory (buffer, (GstMemory *) gl_mem);
/* at this point glupload hasn't received any buffers so can output anything */
out_caps = gst_gl_upload_transform_caps (upload, context,
GST_PAD_SINK, in_caps, NULL);
out_s = gst_caps_get_structure (out_caps, 0);
fail_unless (gst_structure_has_field_typed (out_s, "texture-target",
GST_TYPE_LIST));
gst_caps_unref (out_caps);
/* set some output caps without setting texture-target: this should trigger RECONFIGURE */
out_caps = gst_caps_from_string ("video/x-raw(memory:GLMemory),"
"format=RGBA,width=10,height=10");
/* set caps with texture-target not fixed. This should trigger RECONFIGURE. */
gst_gl_upload_set_caps (upload, in_caps, out_caps);
gst_caps_unref (out_caps);
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/* push a texture-target=2D buffer */
res = gst_gl_upload_perform_with_buffer (upload, buffer, &outbuf);
fail_unless (res == GST_GL_UPLOAD_RECONFIGURE);
fail_if (outbuf);
/* now glupload has seen a 2D buffer and so wants to transform to that */
out_caps = gst_gl_upload_transform_caps (upload, context,
GST_PAD_SINK, in_caps, NULL);
out_s = gst_caps_get_structure (out_caps, 0);
fail_unless_equals_string (gst_structure_get_string (out_s, "texture-target"),
"2D");
gst_caps_unref (out_caps);
/* try setting the wrong type first tho */
out_caps = gst_caps_from_string ("video/x-raw(memory:GLMemory),"
"format=RGBA,width=10,height=10,texture-target=RECTANGLE");
gst_gl_upload_set_caps (upload, in_caps, out_caps);
gst_caps_unref (out_caps);
res = gst_gl_upload_perform_with_buffer (upload, buffer, &outbuf);
fail_unless (res == GST_GL_UPLOAD_RECONFIGURE);
fail_if (outbuf);
/* finally do set the correct texture-target */
out_caps = gst_caps_from_string ("video/x-raw(memory:GLMemory),"
"format=RGBA,width=10,height=10,texture-target=2D");
gst_gl_upload_set_caps (upload, in_caps, out_caps);
gst_caps_unref (out_caps);
res = gst_gl_upload_perform_with_buffer (upload, buffer, &outbuf);
fail_unless (res == GST_GL_UPLOAD_DONE, "Failed to upload buffer");
fail_unless (GST_IS_BUFFER (outbuf));
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gst_gl_window_set_preferred_size (window, WIDTH, HEIGHT);
gst_gl_window_draw (window);
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gst_gl_window_send_message (window, GST_GL_WINDOW_CB (init), context);
while (i < 2) {
gst_gl_window_send_message (window, GST_GL_WINDOW_CB (draw_render),
context);
i++;
}
gst_gl_window_send_message (window, GST_GL_WINDOW_CB (deinit), context);
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gst_caps_unref (in_caps);
gst_buffer_unref (buffer);
gst_buffer_unref (outbuf);
gst_object_unref (base_mem_alloc);
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}
GST_END_TEST;
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static Suite *
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gst_gl_upload_suite (void)
{
Suite *s = suite_create ("GstGLUpload");
TCase *tc_chain = tcase_create ("upload");
suite_add_tcase (s, tc_chain);
tcase_add_checked_fixture (tc_chain, setup, teardown);
tcase_add_test (tc_chain, test_upload_data);
tcase_add_test (tc_chain, test_upload_gl_memory);
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return s;
}
GST_CHECK_MAIN (gst_gl_upload);