From 95e86e675a7eef326958ab9047ff4ca0d0182cfc Mon Sep 17 00:00:00 2001
From: emersion <contact@emersion.fr>
Date: Tue, 20 Mar 2018 19:14:33 +0100
Subject: render/gles2: remove global state, use OpenGL debug extension

---
 render/gles2/shaders.c | 148 +++++++++++++++++++++++++------------------------
 1 file changed, 75 insertions(+), 73 deletions(-)

(limited to 'render/gles2/shaders.c')

diff --git a/render/gles2/shaders.c b/render/gles2/shaders.c
index 30e12e4c..ba3bd971 100644
--- a/render/gles2/shaders.c
+++ b/render/gles2/shaders.c
@@ -3,86 +3,88 @@
 
 // Colored quads
 const GLchar quad_vertex_src[] =
-"uniform mat3 proj;"
-"uniform vec4 color;"
-"attribute vec2 pos;"
-"attribute vec2 texcoord;"
-"varying vec4 v_color;"
-"varying vec2 v_texcoord;"
-""
-"void main() {"
-"	gl_Position = vec4(proj * vec3(pos, 1.0), 1.0);"
-"	v_color = color;"
-"	v_texcoord = texcoord;"
-"}";
+"uniform mat3 proj;\n"
+"uniform vec4 color;\n"
+"attribute vec2 pos;\n"
+"attribute vec2 texcoord;\n"
+"varying vec4 v_color;\n"
+"varying vec2 v_texcoord;\n"
+"\n"
+"void main() {\n"
+"	gl_Position = vec4(proj * vec3(pos, 1.0), 1.0);\n"
+"	v_color = color;\n"
+"	v_texcoord = texcoord;\n"
+"}\n";
 
 const GLchar quad_fragment_src[] =
-"precision mediump float;"
-"varying vec4 v_color;"
-"varying vec2 v_texcoord;"
-""
-"void main() {"
-"  gl_FragColor = v_color;"
-"}";
+"precision mediump float;\n"
+"varying vec4 v_color;\n"
+"varying vec2 v_texcoord;\n"
+"\n"
+"void main() {\n"
+"	gl_FragColor = v_color;\n"
+"}\n";
 
 // Colored ellipses
 const GLchar ellipse_fragment_src[] =
-"precision mediump float;"
-"varying vec4 v_color;"
-"varying vec2 v_texcoord;"
-""
-"void main() {"
-"  float l = length(v_texcoord - vec2(0.5, 0.5));"
-"  if (l > 0.5) discard;"
-"  gl_FragColor = v_color;"
-"}";
+"precision mediump float;\n"
+"varying vec4 v_color;\n"
+"varying vec2 v_texcoord;\n"
+"\n"
+"void main() {\n"
+"	float l = length(v_texcoord - vec2(0.5, 0.5));\n"
+"	if (l > 0.5) {\n"
+"		discard;\n"
+"	}\n"
+"	gl_FragColor = v_color;\n"
+"}\n";
 
 // Textured quads
-const GLchar vertex_src[] =
-"uniform mat3 proj;"
-"uniform bool invert_y;"
-"attribute vec2 pos;"
-"attribute vec2 texcoord;"
-"varying vec2 v_texcoord;"
-""
-"void main() {"
-"  gl_Position = vec4(proj * vec3(pos, 1.0), 1.0);"
-"  if (invert_y) {"
-"    v_texcoord = vec2(texcoord.s, 1.0 - texcoord.t);"
-"  } else {"
-"    v_texcoord = texcoord;"
-"  }"
-"}";
+const GLchar tex_vertex_src[] =
+"uniform mat3 proj;\n"
+"uniform bool invert_y;\n"
+"attribute vec2 pos;\n"
+"attribute vec2 texcoord;\n"
+"varying vec2 v_texcoord;\n"
+"\n"
+"void main() {\n"
+"	gl_Position = vec4(proj * vec3(pos, 1.0), 1.0);\n"
+"	if (invert_y) {\n"
+"		v_texcoord = vec2(texcoord.s, 1.0 - texcoord.t);\n"
+"	} else {\n"
+"		v_texcoord = texcoord;\n"
+"	}\n"
+"}\n";
 
-const GLchar fragment_src_rgba[] =
-"precision mediump float;"
-"varying vec2 v_texcoord;"
-"uniform sampler2D tex;"
-"uniform float alpha;"
-""
-"void main() {"
-"	gl_FragColor = alpha * texture2D(tex, v_texcoord);"
-"}";
+const GLchar tex_fragment_src_rgba[] =
+"precision mediump float;\n"
+"varying vec2 v_texcoord;\n"
+"uniform sampler2D tex;\n"
+"uniform float alpha;\n"
+"\n"
+"void main() {\n"
+"	gl_FragColor = alpha * texture2D(tex, v_texcoord);\n"
+"}\n";
 
-const GLchar fragment_src_rgbx[] =
-"precision mediump float;"
-"varying vec2 v_texcoord;"
-"uniform sampler2D tex;"
-"uniform float alpha;"
-""
-"void main() {"
-"	gl_FragColor.rgb = alpha * texture2D(tex, v_texcoord).rgb;"
-"	gl_FragColor.a = alpha;"
-"}";
+const GLchar tex_fragment_src_rgbx[] =
+"precision mediump float;\n"
+"varying vec2 v_texcoord;\n"
+"uniform sampler2D tex;\n"
+"uniform float alpha;\n"
+"\n"
+"void main() {\n"
+"	gl_FragColor.rgb = alpha * texture2D(tex, v_texcoord).rgb;\n"
+"	gl_FragColor.a = alpha;\n"
+"}\n";
 
-const GLchar fragment_src_external[] =
-"#extension GL_OES_EGL_image_external : require\n"
-"precision mediump float;"
-"varying vec2 v_texcoord;"
-"uniform samplerExternalOES texture0;"
-"uniform float alpha;"
-""
-"void main() {"
-"	vec4 col = texture2D(texture0, v_texcoord);"
-"	gl_FragColor = vec4(col.rgb, col.a * alpha);"
-"}";
+const GLchar tex_fragment_src_external[] =
+"#extension GL_OES_EGL_image_external : require\n\n"
+"precision mediump float;\n"
+"varying vec2 v_texcoord;\n"
+"uniform samplerExternalOES texture0;\n"
+"uniform float alpha;\n"
+"\n"
+"void main() {\n"
+"	vec4 col = texture2D(texture0, v_texcoord);\n"
+"	gl_FragColor = vec4(col.rgb, col.a * alpha);\n"
+"}\n";
-- 
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