ayo/kitty
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Clamp the FBO texture

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This commit is contained in:
Kovid Goyal 2017-11-23 23:37:08 +05:30
parent a3b85883f8
commit b8e477c6eb
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GPG key ID: 06BC317B515ACE7C
2 changed files with 10 additions and 8 deletions
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16
kitty/blit_vertex.glsl
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@ -1,13 +1,13 @@
#version GLSL_VERSION
#define vleft -1.0
#define vtop 1.0
#define vright 1.0
#define vbottom -1.0
#define vleft -1.0f
#define vtop 1.0f
#define vright 1.0f
#define vbottom -1.0f
#define tleft 0
#define ttop 1
#define tright 1
#define tbottom 0
#define tleft 0.0f
#define ttop 1.0f
#define tright 1.0f
#define tbottom 0.0f
const vec2 viewport_xpos = vec2(vleft, vright);
const vec2 viewport_ypos = vec2(vtop, vbottom);

2
kitty/shaders.c
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@ -323,6 +323,8 @@ draw_cells_interleaved(ssize_t vao_idx, ssize_t gvao_idx, Screen *screen, OSWind
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, os_window->viewport_width, os_window->viewport_height, 0, GL_RGBA, GL_UNSIGNED_BYTE, 0);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
}
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, offscreen_framebuffer);
glFramebufferTexture(GL_DRAW_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, os_window->offscreen_texture_id, 0);