- fixed Blood fullscreen tinting.

The lookup table for blend equations was missing one entry at the start. No idea why this became apparent only now.
This commit is contained in:
Christoph Oelckers 2019-11-24 19:07:23 +01:00
parent a4fcf9ee2b
commit 6e3bd75b1a
3 changed files with 2 additions and 237 deletions

View file

@ -427,7 +427,7 @@ void GLInstance::SetBlendFunc(int src, int dst)
glBlendFunc(blendstyles[src], blendstyles[dst]); glBlendFunc(blendstyles[src], blendstyles[dst]);
} }
static int renderops[] = { GL_FUNC_ADD, GL_FUNC_SUBTRACT, GL_FUNC_REVERSE_SUBTRACT }; static int renderops[] = { GL_FUNC_ADD, GL_FUNC_ADD, GL_FUNC_SUBTRACT, GL_FUNC_REVERSE_SUBTRACT };
void GLInstance::SetBlendOp(int op) void GLInstance::SetBlendOp(int op)
{ {

View file

@ -264,7 +264,7 @@ void fullscreen_tint_gl_blood(int tint_blood_r, int tint_blood_g, int tint_blood
vt[2].Set(.0f, -2.5f); vt[2].Set(.0f, -2.5f);
GLInterface.Draw(DT_TRIANGLES, data.first, 3); GLInterface.Draw(DT_TRIANGLES, data.first, 3);
GLInterface.SetBlendOp(STYLEOP_Add); GLInterface.SetBlendOp(STYLEOP_Add);
GLInterface.SetColorub(0, 0, 0, 0); GLInterface.SetColorub(255, 255, 255, 255);
GLInterface.SetBlendFunc(STYLEALPHA_Src, STYLEALPHA_InvSrc); GLInterface.SetBlendFunc(STYLEALPHA_Src, STYLEALPHA_InvSrc);
GLInterface.UseColorOnly(false); GLInterface.UseColorOnly(false);

View file

@ -1,235 +0,0 @@
#version 330
const int RF_ColorOnly = 1;
const int RF_UsePalette = 2;
const int RF_DetailMapping = 4;
const int RF_GlowMapping = 8;
const int RF_Brightmapping = 16;
const int RF_NPOTEmulation = 32;
const int RF_ShadeInterpolate = 64;
const int RF_FogDisabled = 128;
const int RF_HICTINT_Grayscale = 0x10000;
const int RF_HICTINT_Invert = 0x20000;
const int RF_HICTINT_Colorize = 0x40000;
const int RF_HICTINT_BLEND_Screen = 0x80000;
const int RF_HICTINT_BLEND_Overlay = 0x100000;
const int RF_HICTINT_BLEND_Hardlight = 0x200000;
const int RF_HICTINT_BLENDMASK = RF_HICTINT_BLEND_Screen | RF_HICTINT_BLEND_Overlay | RF_HICTINT_BLEND_Hardlight;
//s_texture points to an indexed color texture
uniform sampler2D s_texture;
//s_palswap is the palette swap texture where u is the color index and v is the shade
uniform sampler2D s_palswap;
//s_palette is the base palette texture where u is the color index
uniform sampler2D s_palette;
uniform sampler2D s_detail;
uniform sampler2D s_glow;
uniform sampler2D s_brightmap;
uniform float u_shade;
uniform float u_numShades;
uniform float u_shadeDiv;
uniform float u_visFactor;
uniform int u_flags;
uniform float u_alphaThreshold;
uniform float u_npotEmulationFactor;
uniform float u_npotEmulationXOffset;
uniform float u_brightness;
uniform vec4 u_fogColor;
uniform vec3 u_tintcolor;
uniform vec3 u_tintmodulate;
in vec4 v_color;
in float v_distance;
in vec4 v_texCoord;
in vec4 v_detailCoord;
in float v_fogCoord;
const float c_basepalScale = 255.0/256.0;
const float c_basepalOffset = 0.5/256.0;
const float c_zero = 0.0;
const float c_one = 1.0;
const float c_two = 2.0;
const vec4 c_vec4_one = vec4(c_one);
const float c_wrapThreshold = 0.9;
layout(location=0) out vec4 fragColor;
//===========================================================================
//
// Color to grayscale
//
//===========================================================================
float grayscale(vec4 color)
{
return dot(color.rgb, vec3(0.3, 0.56, 0.14));
}
//===========================================================================
//
// Hightile tinting code. (hictinting[dapalnum]) This can be done inside the shader
// to avoid costly texture duplication (but needs a more modern GLSL than 1.10.)
//
//===========================================================================
vec4 convertColor(vec4 color, int effect, vec3 tint)
{
#if 0
if (effect & RF_HICTINT_Grayscale)
{
float g = grayscale(color);
color = vec4(g, g, g, color.a);
}
if (effect & RF_HICTINT_Invert)
{
color = vec4(1.0 - color.r, 1.0 - color.g, 1.0 - color.b);
}
vec3 tcol = color.rgb * 255.0; // * 255.0 to make it easier to reuse the integer math.
tint *= 255.0;
if (effect & RF_HICTINT_Colorize)
{
tcol.b = min(((tcol.b) * tint.r) / 64.0, 255.0);
tcol.g = min(((tcol.g) * tint.g) / 64.0, 255.0);
tcol.r = min(((tcol.r) * tint.b) / 64.0, 255.0);
}
switch (effect & RF_HICTINT_BLENDMASK)
{
case RF_HICTINT_BLEND_Screen:
tcol.b = 255.0 - (((255.0 - tcol.b) * (255.0 - tint.r)) / 256.0);
tcol.g = 255.0 - (((255.0 - tcol.g) * (255.0 - tint.g)) / 256.0);
tcol.r = 255.0 - (((255.0 - tcol.r) * (255.0 - tint.b)) / 256.0);
break;
case RF_HICTINT_BLEND_Overlay:
tcol.b = tcol.b < 128.0? (tcol.b * tint.r) / 128.0 : 255.0 - (((255.0 - tcol.b) * (255.0 - tint.r)) / 128.0);
tcol.g = tcol.g < 128.0? (tcol.g * tint.g) / 128.0 : 255.0 - (((255.0 - tcol.g) * (255.0 - tint.g)) / 128.0);
tcol.r = tcol.r < 128.0? (tcol.r * tint.b) / 128.0 : 255.0 - (((255.0 - tcol.r) * (255.0 - tint.b)) / 128.0);
break;
case RF_HICTINT_BLEND_Hardlight:
tcol.b = tint.r < 128.0 ? (tcol.b * tint.r) / 128.0 : 255.0 - (((255.0 - tcol.b) * (255.0 - r)) / 128.0);
tcol.g = tint.g < 128.0 ? (tcol.g * tint.g) / 128.0 : 255.0 - (((255.0 - tcol.g) * (255.0 - g)) / 128.0);
tcol.r = tint.b < 128.0 ? (tcol.r * tint.b) / 128.0 : 255.0 - (((255.0 - tcol.r) * (255.0 - b)) / 128.0);
break;
}
color.rgb = tcol / 255.0;
#endif
return color;
}
//===========================================================================
//
//
//
//===========================================================================
void main()
{
float fullbright = 0.0;
vec4 color;
if ((u_flags & RF_ColorOnly) == 0)
{
float coordX = v_texCoord.x;
float coordY = v_texCoord.y;
vec2 newCoord;
// Coordinate adjustment for NPOT textures (something must have gone very wrong to make this necessary...)
if ((u_flags & RF_NPOTEmulation) != 0)
{
float period = floor(coordY / u_npotEmulationFactor);
coordX += u_npotEmulationXOffset * floor(mod(coordY, u_npotEmulationFactor));
coordY = period + mod(coordY, u_npotEmulationFactor);
}
newCoord = vec2(coordX, coordY);
// Paletted textures are stored in column major order rather than row major so coordinates need to be swapped here.
color = texture2D(s_texture, newCoord);
// This was further down but it really should be done before applying any kind of depth fading, not afterward.
vec4 detailColor = vec4(1.0);
if ((u_flags & RF_DetailMapping) != 0)
{
detailColor = texture2D(s_detail, v_detailCoord.xy);
detailColor = mix(vec4(1.0), 2.0 * detailColor, detailColor.a);
// Application of this differs based on render mode because for paletted rendering with palettized shade tables it can only be done after processing the shade table. We only have a palette index before.
}
float visibility = max(u_visFactor * v_distance - ((u_flags & RF_ShadeInterpolate) != 0.0? 0.5 : 0.0), 0.0);
float shade = clamp((u_shade + visibility), 0.0, u_numShades - 1.0);
if ((u_flags & RF_UsePalette) != 0)
{
int palindex = int(color.r * 255.0 + 0.1); // The 0.1 is for roundoff error compensation.
int shadeindex = int(floor(shade));
float colorIndexF = texelFetch(s_palswap, ivec2(palindex, shadeindex), 0).r;
int colorIndex = int(colorIndexF * 255.0 + 0.1); // The 0.1 is for roundoff error compensation.
vec4 palettedColor = texelFetch(s_palette, ivec2(colorIndex, 0), 0);
if ((u_flags & RF_ShadeInterpolate) != 0)
{
// Get the next shaded palette index for interpolation
colorIndexF = texelFetch(s_palswap, ivec2(palindex, shadeindex+1), 0).r;
colorIndex = int(colorIndexF * 255.0 + 0.1); // The 0.1 is for roundoff error compensation.
vec4 palettedColorNext = texelFetch(s_palette, ivec2(colorIndex, 0), 0);
float shadeFrac = mod(shade, 1.0);
palettedColor.rgb = mix(palettedColor.rgb, palettedColorNext.rgb, shadeFrac);
}
fullbright = palettedColor.a; // This only gets set for paletted rendering.
palettedColor.a = c_one-floor(color.r);
color = palettedColor;
color.rgb *= detailColor.rgb; // with all this palettizing, this can only be applied afterward, even though it is wrong to do it this way.
if (fullbright == 0.0) color.rgb *= v_color.rgb; // Well, this is dead wrong but unavoidable. For colored fog it applies the light to the fog as well...
}
else
{
color.rgb *= detailColor.rgb;
shade = clamp(shade * u_shadeDiv, 0.0, 1.0); // u_shadeDiv is really 1/shadeDiv.
vec3 lightcolor = v_color.rgb;
if ((u_flags & RF_FogDisabled) == 0)
{
lightcolor *= shade;
}
if ((u_flags & RF_Brightmapping) != 0)
{
vec4 brightcolor = texture2D(s_brightmap, v_texCoord.xy);
lightcolor = clamp(brightcolor.rgb + lightcolor, 0.0, 1.0);
}
color.rgb *= lightcolor;
if ((u_flags & RF_FogDisabled) == 0 && u_fogColor.rgb != vec3(0))
{
// Apply the shade as a linear depth fade ramp.
color.rgb += u_fogColor.rgb * (1.0 - shade);
}
}
if (color.a < u_alphaThreshold) discard; // it's only here that we have the alpha value available to be able to perform the alpha test.
color.a *= v_color.a;
}
else
{
// untextured rendering
color = v_color;
}
if ((u_flags & (RF_ColorOnly|RF_GlowMapping)) == RF_GlowMapping)
{
vec4 glowColor = texture2D(s_glow, v_texCoord.xy);
color.rgb = mix(color.rgb, glowColor.rgb, glowColor.a);
}
color.rgb = pow(color.rgb, vec3(u_brightness));
fragColor = color;
}