hyprwm/wlroots-hyprland
1
0
Fork 0
mirror of https://github.com/hyprwm/wlroots-hyprland.git synced 2024-11-22 12:55:58 +01:00
Code Issues Projects Releases Packages Wiki Activity

Manually transpose matricies in shader

Browse source 
Since GLES2 doesn't do this for us, it seems, on all platforms.
This commit is contained in:
Drew DeVault 2017-06-23 11:46:03 -04:00
parent b18209c904
commit f252c5a792
2 changed files with 31 additions and 3 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
render/gles2/renderer.c
View file

@ -142,7 +142,7 @@ static bool wlr_gles2_render_surface(struct wlr_renderer_state *state,
}
gles2_flush_errors();
wlr_surface_bind(surface);
GL_CALL(glUniformMatrix4fv(0, 1, GL_TRUE, *matrix));
GL_CALL(glUniformMatrix4fv(0, 1, GL_FALSE, *matrix));
draw_quad();
return true;
}

32
render/gles2/shaders.c
View file

@ -9,8 +9,22 @@ const GLchar quad_vertex_src[] =
"attribute vec2 texcoord;"
"varying vec4 v_color;"
"varying vec2 v_texcoord;"
"mat4 transpose(in mat4 inMatrix) {"
" vec4 i0 = inMatrix[0];"
" vec4 i1 = inMatrix[1];"
" vec4 i2 = inMatrix[2];"
" vec4 i3 = inMatrix[3];"
" mat4 outMatrix = mat4("
" vec4(i0.x, i1.x, i2.x, i3.x),"
" vec4(i0.y, i1.y, i2.y, i3.y),"
" vec4(i0.z, i1.z, i2.z, i3.z),"
" vec4(i0.w, i1.w, i2.w, i3.w)"
" );"
""
" return outMatrix;"
"}"
"void main() {"
" gl_Position = proj * vec4(pos, 0.0, 1.0);"
" gl_Position = transpose(proj) * vec4(pos, 0.0, 1.0);"
" v_color = color;"
" v_texcoord = texcoord;"
"}";
@ -41,8 +55,22 @@ const GLchar vertex_src[] =
"attribute vec2 pos;"
"attribute vec2 texcoord;"
"varying vec2 v_texcoord;"
"mat4 transpose(in mat4 inMatrix) {"
" vec4 i0 = inMatrix[0];"
" vec4 i1 = inMatrix[1];"
" vec4 i2 = inMatrix[2];"
" vec4 i3 = inMatrix[3];"
" mat4 outMatrix = mat4("
" vec4(i0.x, i1.x, i2.x, i3.x),"
" vec4(i0.y, i1.y, i2.y, i3.y),"
" vec4(i0.z, i1.z, i2.z, i3.z),"
" vec4(i0.w, i1.w, i2.w, i3.w)"
" );"
""
" return outMatrix;"
"}"
"void main() {"
" gl_Position = proj * vec4(pos, 0.0, 1.0);"
" gl_Position = transpose(proj) * vec4(pos, 0.0, 1.0);"
" v_texcoord = texcoord;"
"}";