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somewhat better edge marking

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Arisotura
2019-06-12 02:23:40 +02:00
parent 711fda469e
commit a3fed77da3
2 changed files with 23 additions and 5 deletions
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4
src/GPU3D_OpenGL.cpp
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@ -447,6 +447,7 @@ void UpdateDisplaySettings()
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 1, 1, 0, GL_RGBA, GL_UNSIGNED_BYTE, NULL); glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 1, 1, 0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
glBindTexture(GL_TEXTURE_2D, FramebufferTex[4]); glBindTexture(GL_TEXTURE_2D, FramebufferTex[4]);
glTexImage2D(GL_TEXTURE_2D, 0, GL_DEPTH24_STENCIL8, ScreenW, ScreenH, 0, GL_DEPTH_STENCIL, GL_UNSIGNED_INT_24_8, NULL); glTexImage2D(GL_TEXTURE_2D, 0, GL_DEPTH24_STENCIL8, ScreenW, ScreenH, 0, GL_DEPTH_STENCIL, GL_UNSIGNED_INT_24_8, NULL);
//glTexImage2D(GL_TEXTURE_2D, 0, GL_DEPTH32F_STENCIL8, ScreenW, ScreenH, 0, GL_DEPTH_STENCIL, GL_FLOAT_32_UNSIGNED_INT_24_8_REV, NULL);
glBindTexture(GL_TEXTURE_2D, FramebufferTex[5]); glBindTexture(GL_TEXTURE_2D, FramebufferTex[5]);
//glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB8UI, ScreenW, ScreenH, 0, GL_RGB_INTEGER, GL_UNSIGNED_BYTE, NULL); //glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB8UI, ScreenW, ScreenH, 0, GL_RGB_INTEGER, GL_UNSIGNED_BYTE, NULL);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, ScreenW, ScreenH, 0, GL_RGB, GL_UNSIGNED_BYTE, NULL); glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, ScreenW, ScreenH, 0, GL_RGB, GL_UNSIGNED_BYTE, NULL);
@ -476,7 +477,8 @@ void UpdateDisplaySettings()
glBindBuffer(GL_PIXEL_PACK_BUFFER, PixelbufferID); glBindBuffer(GL_PIXEL_PACK_BUFFER, PixelbufferID);
glBufferData(GL_PIXEL_PACK_BUFFER, 256*192*4, NULL, GL_DYNAMIC_READ); glBufferData(GL_PIXEL_PACK_BUFFER, 256*192*4, NULL, GL_DYNAMIC_READ);
glLineWidth(scale); //glLineWidth(scale);
glLineWidth(1.5);
} }

24
src/GPU3D_OpenGL_shaders.h
View File

@ -88,16 +88,28 @@ out vec4 oColor;
// make up for crapo zbuffer precision // make up for crapo zbuffer precision
bool isless(float a, float b) bool isless(float a, float b)
{return true; {
return a < b;
// a < b // a < b
float diff = a - b; float diff = a - b;
return diff < (256.0 / 16777216.0); return diff < (256.0 / 16777216.0);
} }
bool isgood(vec4 attr, float depth, int refPolyID, float refDepth)
{
int polyid = int(attr.r * 63.0);
if (polyid != refPolyID && isless(refDepth, depth))
return true;
return false;
}
void main() void main()
{ {
ivec2 coord = ivec2(gl_FragCoord.xy); ivec2 coord = ivec2(gl_FragCoord.xy);
int scale = int(uScreenSize.x / 256); int scale = 1;//int(uScreenSize.x / 256);
vec4 ret = vec4(0,0,0,0); vec4 ret = vec4(0,0,0,0);
vec4 depth = texelFetch(DepthBuffer, coord, 0); vec4 depth = texelFetch(DepthBuffer, coord, 0);
@ -116,10 +128,14 @@ void main()
vec4 depthR = texelFetch(DepthBuffer, coord + ivec2(scale,0), 0); vec4 depthR = texelFetch(DepthBuffer, coord + ivec2(scale,0), 0);
vec4 attrR = texelFetch(AttrBuffer, coord + ivec2(scale,0), 0); vec4 attrR = texelFetch(AttrBuffer, coord + ivec2(scale,0), 0);
if ((polyid != int(attrU.r * 63.0) && isless(depth.r, depthU.r)) || /*if ((polyid != int(attrU.r * 63.0) && isless(depth.r, depthU.r)) ||
(polyid != int(attrD.r * 63.0) && isless(depth.r, depthD.r)) || (polyid != int(attrD.r * 63.0) && isless(depth.r, depthD.r)) ||
(polyid != int(attrL.r * 63.0) && isless(depth.r, depthL.r)) || (polyid != int(attrL.r * 63.0) && isless(depth.r, depthL.r)) ||
(polyid != int(attrR.r * 63.0) && isless(depth.r, depthR.r))) (polyid != int(attrR.r * 63.0) && isless(depth.r, depthR.r)))*/
if (isgood(attrU, depthU.r, polyid, depth.r) ||
isgood(attrD, depthD.r, polyid, depth.r) ||
isgood(attrL, depthL.r, polyid, depth.r) ||
isgood(attrR, depthR.r, polyid, depth.r))
{ {
// mark this pixel! // mark this pixel!