mirrors/wlroots
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/wlroots/wlroots.git synced 2025-11-07 13:29:49 -05:00
Code Issues Projects Releases Packages Wiki Activity Actions

render/gles2: remove global state, use OpenGL debug extension

Browse source
This commit is contained in:
emersion 2018-03-20 19:14:33 +01:00
parent ff2e08aa74
commit 95e86e675a
No known key found for this signature in database
GPG key ID: 0FDE7BE0E88F5E48
10 changed files with 526 additions and 372 deletions
Download patch file Download diff file Expand all files Collapse all files

148
render/gles2/shaders.c
View file

@ -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";