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bors-servo
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Auto merge of #159 - zmike:glup, r=larsbergstrom
Glup @pcwalton @larsbergstrom <!-- Reviewable:start --> [<img src="https://reviewable.io/review_button.png" height=40 alt="Review on Reviewable"/>](https://reviewable.io/reviews/servo/rust-layers/159) <!-- Reviewable:end -->
2 parents 8267281 + bd84b41 commit 600677b

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+69
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‎Cargo.toml‎

Lines changed: 2 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -7,9 +7,10 @@ authors = ["The Servo Project Developers"]
77
[features]
88
default = []
99
plugins = ["euclid/plugins", "azure/plugins", "skia/euclid/plugins", "io-surface/euclid/plugins"]
10+
gldebug = []
1011

1112
[dependencies]
12-
libc = "*"
13+
libc = "0.1"
1314
rustc-serialize = "*"
1415
log = "*"
1516
gleam = "0.1"

‎src/platform/surface.rs‎

Lines changed: 1 addition & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -236,6 +236,7 @@ impl MemoryBufferNativeSurface {
236236
gl::BGRA,
237237
gl::UNSIGNED_BYTE,
238238
Some(&self.bytes));
239+
unsafe { if cfg!(feature = "gldebug") { assert_eq!(gl::GetError(), gl::NO_ERROR); }}
239240
}
240241

241242
#[cfg(target_os="android")]

‎src/rendergl.rs‎

Lines changed: 57 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -143,10 +143,15 @@ struct ShaderProgram {
143143

144144
impl ShaderProgram {
145145
pub fn new(vertex_shader_source: &str, fragment_shader_source: &str) -> ShaderProgram {
146+
unsafe { if cfg!(feature = "gldebug") { assert_eq!(gl::GetError(), gl::NO_ERROR); }}
146147
let id = gl::create_program();
148+
unsafe { if cfg!(feature = "gldebug") { assert_eq!(gl::GetError(), gl::NO_ERROR); }}
147149
gl::attach_shader(id, ShaderProgram::compile_shader(fragment_shader_source, gl::FRAGMENT_SHADER));
150+
unsafe { if cfg!(feature = "gldebug") { assert_eq!(gl::GetError(), gl::NO_ERROR); }}
148151
gl::attach_shader(id, ShaderProgram::compile_shader(vertex_shader_source, gl::VERTEX_SHADER));
152+
unsafe { if cfg!(feature = "gldebug") { assert_eq!(gl::GetError(), gl::NO_ERROR); }}
149153
gl::link_program(id);
154+
unsafe { if cfg!(feature = "gldebug") { assert_eq!(gl::GetError(), gl::NO_ERROR); }}
150155
if gl::get_program_iv(id, gl::LINK_STATUS) == (0 as GLint) {
151156
panic!("Failed to compile shader program: {}", gl::get_program_info_log(id));
152157
}
@@ -158,8 +163,11 @@ impl ShaderProgram {
158163

159164
pub fn compile_shader(source_string: &str, shader_type: GLenum) -> GLuint {
160165
let id = gl::create_shader(shader_type);
166+
unsafe { if cfg!(feature = "gldebug") { assert_eq!(gl::GetError(), gl::NO_ERROR); }}
161167
gl::shader_source(id, &[ source_string.as_bytes() ]);
168+
unsafe { if cfg!(feature = "gldebug") { assert_eq!(gl::GetError(), gl::NO_ERROR); }}
162169
gl::compile_shader(id);
170+
unsafe { if cfg!(feature = "gldebug") { assert_eq!(gl::GetError(), gl::NO_ERROR); }}
163171
if gl::get_shader_iv(id, gl::COMPILE_STATUS) == (0 as GLint) {
164172
panic!("Failed to compile shader: {}", gl::get_shader_info_log(id));
165173
}
@@ -216,31 +224,43 @@ impl TextureProgram {
216224
buffers: &Buffers,
217225
opacity: f32) {
218226
gl::uniform_1i(self.sampler_uniform, 0);
227+
unsafe { if cfg!(feature = "gldebug") { assert_eq!(gl::GetError(), gl::NO_ERROR); }}
219228
gl::uniform_matrix_4fv(self.modelview_uniform, false, &transform.to_array());
229+
unsafe { if cfg!(feature = "gldebug") { assert_eq!(gl::GetError(), gl::NO_ERROR); }}
220230
gl::uniform_matrix_4fv(self.projection_uniform, false, &projection_matrix.to_array());
231+
unsafe { if cfg!(feature = "gldebug") { assert_eq!(gl::GetError(), gl::NO_ERROR); }}
221232

222233
let vertex_size = mem::size_of::<TextureVertex>();
223234

224235
gl::bind_buffer(gl::ARRAY_BUFFER, buffers.quad_vertex_buffer);
236+
unsafe { if cfg!(feature = "gldebug") { assert_eq!(gl::GetError(), gl::NO_ERROR); }}
225237
gl::buffer_data(gl::ARRAY_BUFFER, vertices, gl::DYNAMIC_DRAW);
238+
unsafe { if cfg!(feature = "gldebug") { assert_eq!(gl::GetError(), gl::NO_ERROR); }}
226239
gl::vertex_attrib_pointer_f32(self.vertex_position_attr as GLuint, 2, false, vertex_size as i32, 0);
240+
unsafe { if cfg!(feature = "gldebug") { assert_eq!(gl::GetError(), gl::NO_ERROR); }}
227241
gl::vertex_attrib_pointer_f32(self.vertex_uv_attr as GLuint, 2, false, vertex_size as i32, 8);
242+
unsafe { if cfg!(feature = "gldebug") { assert_eq!(gl::GetError(), gl::NO_ERROR); }}
228243

229244
gl::uniform_matrix_4fv(self.texture_space_transform_uniform,
230245
false,
231246
&texture_space_transform.to_array());
247+
unsafe { if cfg!(feature = "gldebug") { assert_eq!(gl::GetError(), gl::NO_ERROR); }}
232248

233249
gl::uniform_1f(self.opacity_uniform, opacity);
250+
unsafe { if cfg!(feature = "gldebug") { assert_eq!(gl::GetError(), gl::NO_ERROR); }}
234251
}
235252

236253
fn enable_attribute_arrays(&self) {
237254
gl::enable_vertex_attrib_array(self.vertex_position_attr as GLuint);
255+
unsafe { if cfg!(feature = "gldebug") { assert_eq!(gl::GetError(), gl::NO_ERROR); }}
238256
gl::enable_vertex_attrib_array(self.vertex_uv_attr as GLuint);
257+
unsafe { if cfg!(feature = "gldebug") { assert_eq!(gl::GetError(), gl::NO_ERROR); }}
239258
}
240259

241260
fn disable_attribute_arrays(&self) {
242261
gl::disable_vertex_attrib_array(self.vertex_uv_attr as GLuint);
243262
gl::disable_vertex_attrib_array(self.vertex_position_attr as GLuint);
263+
unsafe { if cfg!(feature = "gldebug") { assert_eq!(gl::GetError(), gl::NO_ERROR); }}
244264
}
245265

246266
fn create_2d_program() -> TextureProgram {
@@ -250,6 +270,7 @@ impl TextureProgram {
250270
#[cfg(target_os="macos")]
251271
fn create_rectangle_program_if_necessary() -> Option<TextureProgram> {
252272
gl::enable(gl::TEXTURE_RECTANGLE_ARB);
273+
unsafe { if cfg!(feature = "gldebug") { assert_eq!(gl::GetError(), gl::NO_ERROR); }}
253274
Some(TextureProgram::new("texture2DRect", "sampler2DRect"))
254275
}
255276

@@ -286,12 +307,15 @@ impl SolidColorProgram {
286307
projection_matrix: &Matrix4,
287308
color: &Color) {
288309
gl::uniform_matrix_4fv(self.modelview_uniform, false, &transform.to_array());
310+
unsafe { if cfg!(feature = "gldebug") { assert_eq!(gl::GetError(), gl::NO_ERROR); }}
289311
gl::uniform_matrix_4fv(self.projection_uniform, false, &projection_matrix.to_array());
312+
unsafe { if cfg!(feature = "gldebug") { assert_eq!(gl::GetError(), gl::NO_ERROR); }}
290313
gl::uniform_4f(self.color_uniform,
291314
color.r as GLfloat,
292315
color.g as GLfloat,
293316
color.b as GLfloat,
294317
color.a as GLfloat);
318+
unsafe { if cfg!(feature = "gldebug") { assert_eq!(gl::GetError(), gl::NO_ERROR); }}
295319
}
296320

297321
fn bind_uniforms_and_attributes_for_lines(&self,
@@ -303,8 +327,11 @@ impl SolidColorProgram {
303327
self.bind_uniforms_and_attributes_common(transform, projection_matrix, color);
304328

305329
gl::bind_buffer(gl::ARRAY_BUFFER, buffers.line_quad_vertex_buffer);
330+
unsafe { if cfg!(feature = "gldebug") { assert_eq!(gl::GetError(), gl::NO_ERROR); }}
306331
gl::buffer_data(gl::ARRAY_BUFFER, vertices, gl::DYNAMIC_DRAW);
332+
unsafe { if cfg!(feature = "gldebug") { assert_eq!(gl::GetError(), gl::NO_ERROR); }}
307333
gl::vertex_attrib_pointer_f32(self.vertex_position_attr as GLuint, 2, false, 0, 0);
334+
unsafe { if cfg!(feature = "gldebug") { assert_eq!(gl::GetError(), gl::NO_ERROR); }}
308335
}
309336

310337
fn bind_uniforms_and_attributes_for_quad(&self,
@@ -316,16 +343,21 @@ impl SolidColorProgram {
316343
self.bind_uniforms_and_attributes_common(transform, projection_matrix, color);
317344

318345
gl::bind_buffer(gl::ARRAY_BUFFER, buffers.quad_vertex_buffer);
346+
unsafe { if cfg!(feature = "gldebug") { assert_eq!(gl::GetError(), gl::NO_ERROR); }}
319347
gl::buffer_data(gl::ARRAY_BUFFER, vertices, gl::DYNAMIC_DRAW);
348+
unsafe { if cfg!(feature = "gldebug") { assert_eq!(gl::GetError(), gl::NO_ERROR); }}
320349
gl::vertex_attrib_pointer_f32(self.vertex_position_attr as GLuint, 2, false, 0, 0);
350+
unsafe { if cfg!(feature = "gldebug") { assert_eq!(gl::GetError(), gl::NO_ERROR); }}
321351
}
322352

323353
fn enable_attribute_arrays(&self) {
324354
gl::enable_vertex_attrib_array(self.vertex_position_attr as GLuint);
355+
unsafe { if cfg!(feature = "gldebug") { assert_eq!(gl::GetError(), gl::NO_ERROR); }}
325356
}
326357

327358
fn disable_attribute_arrays(&self) {
328359
gl::disable_vertex_attrib_array(self.vertex_position_attr as GLuint);
360+
unsafe { if cfg!(feature = "gldebug") { assert_eq!(gl::GetError(), gl::NO_ERROR); }}
329361
}
330362
}
331363

@@ -483,11 +515,15 @@ impl RenderContext {
483515
pub fn new(compositing_display: NativeDisplay,
484516
show_debug_borders: bool,
485517
force_near_texture_filter: bool) -> RenderContext {
518+
unsafe { if cfg!(feature = "gldebug") { assert_eq!(gl::GetError(), gl::NO_ERROR); }}
486519
gl::enable(gl::TEXTURE_2D);
520+
unsafe { if cfg!(feature = "gldebug") { assert_eq!(gl::GetError(), gl::NO_ERROR); }}
487521

488522
// Each layer uses premultiplied alpha!
489523
gl::enable(gl::BLEND);
524+
unsafe { if cfg!(feature = "gldebug") { assert_eq!(gl::GetError(), gl::NO_ERROR); }}
490525
gl::blend_func(gl::ONE, gl::ONE_MINUS_SRC_ALPHA);
526+
unsafe { if cfg!(feature = "gldebug") { assert_eq!(gl::GetError(), gl::NO_ERROR); }}
491527

492528
let texture_2d_program = TextureProgram::create_2d_program();
493529
let solid_color_program = SolidColorProgram::new();
@@ -506,10 +542,14 @@ impl RenderContext {
506542

507543
fn init_buffers() -> Buffers {
508544
let quad_vertex_buffer = gl::gen_buffers(1)[0];
545+
unsafe { if cfg!(feature = "gldebug") { assert_eq!(gl::GetError(), gl::NO_ERROR); }}
509546
gl::bind_buffer(gl::ARRAY_BUFFER, quad_vertex_buffer);
547+
unsafe { if cfg!(feature = "gldebug") { assert_eq!(gl::GetError(), gl::NO_ERROR); }}
510548

511549
let line_quad_vertex_buffer = gl::gen_buffers(1)[0];
550+
unsafe { if cfg!(feature = "gldebug") { assert_eq!(gl::GetError(), gl::NO_ERROR); }}
512551
gl::bind_buffer(gl::ARRAY_BUFFER, line_quad_vertex_buffer);
552+
unsafe { if cfg!(feature = "gldebug") { assert_eq!(gl::GetError(), gl::NO_ERROR); }}
513553

514554
Buffers {
515555
quad_vertex_buffer: quad_vertex_buffer,
@@ -524,12 +564,14 @@ impl RenderContext {
524564
color: &Color) {
525565
self.solid_color_program.enable_attribute_arrays();
526566
gl::use_program(self.solid_color_program.program.id);
567+
unsafe { if cfg!(feature = "gldebug") { assert_eq!(gl::GetError(), gl::NO_ERROR); }}
527568
self.solid_color_program.bind_uniforms_and_attributes_for_quad(vertices,
528569
transform,
529570
projection,
530571
&self.buffers,
531572
color);
532573
gl::draw_arrays(gl::TRIANGLE_STRIP, 0, 4);
574+
unsafe { if cfg!(feature = "gldebug") { assert_eq!(gl::GetError(), gl::NO_ERROR); }}
533575
self.solid_color_program.disable_attribute_arrays();
534576
}
535577

@@ -553,16 +595,21 @@ impl RenderContext {
553595
program.enable_attribute_arrays();
554596

555597
gl::use_program(program.program.id);
598+
unsafe { if cfg!(feature = "gldebug") { assert_eq!(gl::GetError(), gl::NO_ERROR); }}
556599
gl::active_texture(gl::TEXTURE0);
600+
unsafe { if cfg!(feature = "gldebug") { assert_eq!(gl::GetError(), gl::NO_ERROR); }}
557601
gl::bind_texture(texture.target.as_gl_target(), texture.native_texture());
602+
unsafe { if cfg!(feature = "gldebug") { assert_eq!(gl::GetError(), gl::NO_ERROR); }}
558603

559604
let filter_mode = if self.force_near_texture_filter {
560605
gl::NEAREST
561606
} else {
562607
gl::LINEAR
563608
} as GLint;
564609
gl::tex_parameter_i(texture.target.as_gl_target(), gl::TEXTURE_MAG_FILTER, filter_mode);
610+
unsafe { if cfg!(feature = "gldebug") { assert_eq!(gl::GetError(), gl::NO_ERROR); }}
565611
gl::tex_parameter_i(texture.target.as_gl_target(), gl::TEXTURE_MIN_FILTER, filter_mode);
612+
unsafe { if cfg!(feature = "gldebug") { assert_eq!(gl::GetError(), gl::NO_ERROR); }}
566613

567614
// We calculate a transformation matrix for the texture coordinates
568615
// which is useful for flipping the texture vertically or scaling the
@@ -589,9 +636,12 @@ impl RenderContext {
589636

590637
// Draw!
591638
gl::draw_arrays(gl::TRIANGLE_STRIP, 0, 4);
639+
unsafe { if cfg!(feature = "gldebug") { assert_eq!(gl::GetError(), gl::NO_ERROR); }}
592640
gl::bind_texture(gl::TEXTURE_2D, 0);
641+
unsafe { if cfg!(feature = "gldebug") { assert_eq!(gl::GetError(), gl::NO_ERROR); }}
593642

594643
gl::bind_texture(texture.target.as_gl_target(), 0);
644+
unsafe { if cfg!(feature = "gldebug") { assert_eq!(gl::GetError(), gl::NO_ERROR); }}
595645
program.disable_attribute_arrays()
596646
}
597647

@@ -609,7 +659,9 @@ impl RenderContext {
609659
&self.buffers,
610660
color);
611661
gl::line_width(line_thickness as GLfloat);
662+
unsafe { if cfg!(feature = "gldebug") { assert_eq!(gl::GetError(), gl::NO_ERROR); }}
612663
gl::draw_arrays(gl::LINE_STRIP, 0, 5);
664+
unsafe { if cfg!(feature = "gldebug") { assert_eq!(gl::GetError(), gl::NO_ERROR); }}
613665
self.solid_color_program.disable_attribute_arrays();
614666
}
615667

@@ -819,14 +871,19 @@ pub fn render_scene<T>(root_layer: Rc<Layer<T>>,
819871
let v = scene.viewport.to_untyped();
820872
gl::viewport(v.origin.x as GLint, v.origin.y as GLint,
821873
v.size.width as GLsizei, v.size.height as GLsizei);
874+
unsafe { if cfg!(feature = "gldebug") { assert_eq!(gl::GetError(), gl::NO_ERROR); }}
822875

823876
// Enable depth testing for 3d transforms. Set z-mode to LESS-EQUAL
824877
// so that layers with equal Z are able to paint correctly in
825878
// the order they are specified.
826879
gl::enable(gl::DEPTH_TEST);
880+
unsafe { if cfg!(feature = "gldebug") { assert_eq!(gl::GetError(), gl::NO_ERROR); }}
827881
gl::clear_color(1.0, 1.0, 1.0, 1.0);
882+
unsafe { if cfg!(feature = "gldebug") { assert_eq!(gl::GetError(), gl::NO_ERROR); }}
828883
gl::clear(gl::COLOR_BUFFER_BIT | gl::DEPTH_BUFFER_BIT);
884+
unsafe { if cfg!(feature = "gldebug") { assert_eq!(gl::GetError(), gl::NO_ERROR); }}
829885
gl::depth_func(gl::LEQUAL);
886+
unsafe { if cfg!(feature = "gldebug") { assert_eq!(gl::GetError(), gl::NO_ERROR); }}
830887

831888
// Set up the initial modelview matrix.
832889
let transform = Matrix4::identity().scale(scene.scale.get(), scene.scale.get(), 1.0);

‎src/texturegl.rs‎

Lines changed: 9 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -108,6 +108,7 @@ pub struct BoundTexture {
108108
impl Drop for BoundTexture {
109109
fn drop(&mut self) {
110110
gl::bind_texture(self.target.as_gl_target(), 0);
111+
unsafe { if cfg!(feature = "gldebug") { assert_eq!(gl::GetError(), gl::NO_ERROR); }}
111112
}
112113
}
113114

@@ -121,6 +122,7 @@ impl Texture {
121122
flip: Flip::NoFlip,
122123
size: size,
123124
};
125+
unsafe { if cfg!(feature = "gldebug") { assert_eq!(gl::GetError(), gl::NO_ERROR); }}
124126
this.set_default_params();
125127
this
126128
}
@@ -174,9 +176,13 @@ impl Texture {
174176
fn set_default_params(&self) {
175177
let _bound_texture = self.bind();
176178
gl::tex_parameter_i(self.target.as_gl_target(), gl::TEXTURE_MAG_FILTER, gl::LINEAR as GLint);
179+
unsafe { if cfg!(feature = "gldebug") { assert_eq!(gl::GetError(), gl::NO_ERROR); }}
177180
gl::tex_parameter_i(self.target.as_gl_target(), gl::TEXTURE_MIN_FILTER, gl::LINEAR as GLint);
181+
unsafe { if cfg!(feature = "gldebug") { assert_eq!(gl::GetError(), gl::NO_ERROR); }}
178182
gl::tex_parameter_i(self.target.as_gl_target(), gl::TEXTURE_WRAP_S, gl::CLAMP_TO_EDGE as GLint);
183+
unsafe { if cfg!(feature = "gldebug") { assert_eq!(gl::GetError(), gl::NO_ERROR); }}
179184
gl::tex_parameter_i(self.target.as_gl_target(), gl::TEXTURE_WRAP_T, gl::CLAMP_TO_EDGE as GLint);
185+
unsafe { if cfg!(feature = "gldebug") { assert_eq!(gl::GetError(), gl::NO_ERROR); }}
180186
}
181187

182188
/// Sets the filter mode for this texture.
@@ -187,12 +193,15 @@ impl Texture {
187193
FilterMode::Linear => gl::LINEAR,
188194
} as GLint;
189195
gl::tex_parameter_i(self.target.as_gl_target(), gl::TEXTURE_MAG_FILTER, gl_mode);
196+
unsafe { if cfg!(feature = "gldebug") { assert_eq!(gl::GetError(), gl::NO_ERROR); }}
190197
gl::tex_parameter_i(self.target.as_gl_target(), gl::TEXTURE_MIN_FILTER, gl_mode);
198+
unsafe { if cfg!(feature = "gldebug") { assert_eq!(gl::GetError(), gl::NO_ERROR); }}
191199
}
192200

193201
/// Binds the texture to the current context.
194202
pub fn bind(&self) -> BoundTexture {
195203
gl::bind_texture(self.target.as_gl_target(), self.id);
204+
unsafe { if cfg!(feature = "gldebug") { assert_eq!(gl::GetError(), gl::NO_ERROR); }}
196205

197206
BoundTexture {
198207
target: self.target,

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