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Code Issues Releases Wiki Activity

Fix TBO norm issues on old GPUs

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This commit is contained in:
Merith-TK 2021-02-22 10:56:52 -08:00
parent aa4ec53bb6
commit 0e5fd4e8e0
3 changed files with 10 additions and 5 deletions
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5
patchwork.md
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@ -155,3 +155,8 @@ Bump JEI/crafttweaker versions
In my defence, they weren't out when I started the 1.15 update.
```
```
bf6053906dc6a3c7b0d40d5b097e745dce1f33bc
Fix TBO norm issues on old GPUs
```

2
src/main/java/dan200/computercraft/shared/peripheral/monitor/ClientMonitor.java
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@ -80,7 +80,7 @@ public final class ClientMonitor extends ClientTerminal {
GL15.glBufferData(GL31.GL_TEXTURE_BUFFER, 0, GL15.GL_STATIC_DRAW);
this.tboTexture = GlStateManager.genTextures();
GL11.glBindTexture(GL31.GL_TEXTURE_BUFFER, this.tboTexture);
GL31.glTexBuffer(GL31.GL_TEXTURE_BUFFER, GL30.GL_R8, this.tboBuffer);
GL31.glTexBuffer(GL31.GL_TEXTURE_BUFFER, GL30.GL_R8UI, this.tboBuffer);
GL11.glBindTexture(GL31.GL_TEXTURE_BUFFER, 0);
GlStateManager.bindBuffers(GL31.GL_TEXTURE_BUFFER, 0);

8
src/main/resources/assets/computercraft/shaders/monitor.frag
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@ -6,7 +6,7 @@
uniform sampler2D u_font;
uniform int u_width;
uniform int u_height;
uniform samplerBuffer u_tbo;
uniform usamplerBuffer u_tbo;
uniform vec3 u_palette[16];
in vec2 f_pos;
@ -30,9 +30,9 @@ void main() {
vec2 outside = step(vec2(0.0, 0.0), vec2(cell)) * step(vec2(cell), vec2(float(u_width) - 1.0, float(u_height) - 1.0));
float mult = outside.x * outside.y;
int character = int(texelFetch(u_tbo, index).r * 255.0);
int fg = int(texelFetch(u_tbo, index + 1).r * 255.0);
int bg = int(texelFetch(u_tbo, index + 2).r * 255.0);
int character = int(texelFetch(u_tbo, index).r);
int fg = int(texelFetch(u_tbo, index + 1).r);
int bg = int(texelFetch(u_tbo, index + 2).r);
vec2 pos = (term_pos - corner) * vec2(FONT_WIDTH, FONT_HEIGHT);
vec4 img = texture(u_font, (texture_corner(character) + pos) / 256.0);