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add resolution uniform for pp, 16bit uses this for reducing screen resolution (wtf?)

This commit is contained in:
degasus 2013-03-07 17:35:27 +01:00
parent 12e84f918a
commit 1c125f0fb4
3 changed files with 68 additions and 105 deletions
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152
Data/User/Shaders/16bit.txt
View File

@ -1,109 +1,61 @@
uniform samplerRECT samp0 : register(s0); uniform sampler2D samp9;
void main(out float4 ocol0 : COLOR0, in float2 uv0 : TEXCOORD0) out vec4 ocol0;
in vec2 uv0;
uniform vec2 resolution;
void main()
{ {
float4 c0 = texRECT(samp0, uv0).rgba;
//Change this number to increase the pixel size. //Change this number to increase the pixel size.
int pixelSize = 3; float pixelSize = 3;
float red = 0.0; float red = 0.0;
float green = 0.0; float green = 0.0;
float blue = 0.0; float blue = 0.0;
int val = uv0[0];
int val2 = uv0[1];
val = val % pixelSize;
val2 = val2 % pixelSize;
if(val == 0 && val2 == 0 ){
if (c0.r < 0.1 && c0.r >= 0)
red = 0.1;
if (c0.r < 0.20 && c0.r >= 0.1)
red = 0.20;
if (c0.r <0.40 && c0.r >= 0.20)
red = 0.40;
if (c0.r <0.60 && c0.r >= 0.40)
red = 0.60;
if (c0.r <0.80 && c0.r >= 0.60)
red = 0.80;
if (c0.r >= 0.80)
red = 1;
if (c0.b < 0.1 && c0.b >= 0)
blue = 0.1;
if (c0.b < 0.20 && c0.b >= 0.1)
blue = 0.20;
if (c0.b <0.40 && c0.b >= 0.20)
blue = 0.40;
if (c0.b <0.60 && c0.b >= 0.40)
blue = 0.60;
if (c0.b <0.80 && c0.b >= 0.60)
blue = 0.80;
if (c0.b >= 0.80)
blue = 1;
if (c0.g < 0.1 && c0.g >= 0)
green = 0.1;
if (c0.g < 0.20 && c0.g >= 0.1)
green = 0.20;
if (c0.g <0.40 && c0.g >= 0.20)
green = 0.40;
if (c0.g <0.60 && c0.g >= 0.40)
green = 0.60;
if (c0.g <0.80 && c0.g >= 0.60)
green = 0.80;
if (c0.g >= 0.80)
green = 1;
}
else{
float4 c1 = texRECT(samp0, uv0-float2(val, val2)).rgba;
if (c1.r < 0.1 && c1.r >= 0)
red = 0.1;
if (c1.r < 0.20 && c1.r >= 0.1)
red = 0.20;
if (c1.r <0.40 && c1.r >= 0.20)
red = 0.40;
if (c1.r <0.60 && c1.r >= 0.40)
red = 0.60;
if (c1.r <0.80 && c1.r >= 0.60)
red = 0.80;
if (c1.r >= 0.80)
red = 1;
if (c1.b < 0.1 && c1.b >= 0)
blue = 0.1;
if (c1.b < 0.20 && c1.b >= 0.1)
blue = 0.20;
if (c1.b <0.40 && c1.b >= 0.20)
blue = 0.40;
if (c1.b <0.60 && c1.b >= 0.40)
blue = 0.60;
if (c1.b <0.80 && c1.b >= 0.60)
blue = 0.80;
if (c1.b >= 0.80)
blue = 1;
if (c1.g < 0.1 && c1.g >= 0)
green = 0.1;
if (c1.g < 0.20 && c1.g >= 0.1)
green = 0.20;
if (c1.g <0.40 && c1.g >= 0.20)
green = 0.40;
if (c1.g <0.60 && c1.g >= 0.40)
green = 0.60;
if (c1.g <0.80 && c1.g >= 0.60)
green = 0.80;
if (c1.g >= 0.80)
green = 1;
}
ocol0 = float4(red, green, blue, c0.a); vec2 pos = round(uv0 * resolution / pixelSize) * resolution / pixelSize;
vec4 c0 = texture(samp9, uv0);
if (c0.r < 0.1)
red = 0.1;
else if (c0.r < 0.20)
red = 0.20;
else if (c0.r < 0.40)
red = 0.40;
else if (c0.r < 0.60)
red = 0.60;
else if (c0.r < 0.80)
red = 0.80;
else
red = 1.0;
if (c0.b < 0.1)
blue = 0.1;
else if (c0.b < 0.20)
blue = 0.20;
else if (c0.b < 0.40)
blue = 0.40;
else if (c0.b < 0.60)
blue = 0.60;
else if (c0.b < 0.80)
blue = 0.80;
else
blue = 1.0;
if (c0.g < 0.1)
green = 0.1;
else if (c0.g < 0.20)
green = 0.20;
else if (c0.g < 0.40)
green = 0.40;
else if (c0.g < 0.60)
green = 0.60;
else if (c0.g < 0.80)
green = 0.80;
else
green = 1.0;
ocol0 = vec4(red, green, blue, c0.a);
} }

11
Data/User/Shaders/README.txt
View File

@ -1,11 +1,14 @@
//dummy shader: //dummy shader:
uniform samplerRECT samp0 : register(s0); uniform sampler2D samp9;
void main(out float4 ocol0 : COLOR0, in float2 uv0 : TEXCOORD0) out vec4 ocol0;
in vec2 uv0;
void main()
{ {
float4 c0 = texRECT(samp0, uv0).rgba; ocol0 = texture(samp9, uv0);
ocol0 = float4(c0.r, c0.g, c0.b, c0.a);
} }
/* /*
And now that's over with, the contents of this readme file! And now that's over with, the contents of this readme file!
For best results, turn Wordwrap formatting on... For best results, turn Wordwrap formatting on...

10
Source/Plugins/Plugin_VideoOGL/Src/PostProcessing.cpp
View File

@ -40,7 +40,9 @@ static GLuint s_texture;
static GLuint s_vao; static GLuint s_vao;
static GLuint s_vbo; static GLuint s_vbo;
static char* s_vertex_shader = static GLuint s_uniform_resolution;
static char s_vertex_shader[] =
"in vec2 rawpos;\n" "in vec2 rawpos;\n"
"in vec2 tex0;\n" "in vec2 tex0;\n"
"out vec2 uv0;\n" "out vec2 uv0;\n"
@ -113,6 +115,9 @@ void BlitToScreen()
glBindVertexArray(s_vao); glBindVertexArray(s_vao);
s_shader.Bind(); s_shader.Bind();
glUniform2f(s_uniform_resolution, (float)s_width, (float)s_height);
glActiveTexture(GL_TEXTURE0+9); glActiveTexture(GL_TEXTURE0+9);
glBindTexture(GL_TEXTURE_2D, s_texture); glBindTexture(GL_TEXTURE_2D, s_texture);
glDrawArrays(GL_TRIANGLE_STRIP, 0, 4); glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
@ -168,6 +173,9 @@ void ApplyShader()
return; return;
} }
// read uniform locations
s_uniform_resolution = glGetUniformLocation(s_shader.glprogid, "resolution");
// successful // successful
s_enable = true; s_enable = true;
} }