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Code Issues Releases Wiki Activity

#15 some RPI shader optimizations

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This commit is contained in:
XProger
2018-05-20 18:38:21 +03:00
parent fdf6821c76
commit 95e4c0c9fe
4 changed files with 52 additions and 24 deletions
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15
src/gapi_gl.h
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@@ -228,7 +228,7 @@
PFNGLPROGRAMBINARYPROC glProgramBinary;
#endif
#if defined(_GAPI_GLES)
#if defined(_GAPI_GLES) && !defined(_OS_RPI)
PFNGLDISCARDFRAMEBUFFEREXTPROC glDiscardFramebufferEXT;
#endif
@@ -369,6 +369,11 @@ namespace GAPI {
}
sprintf(defines, "%s#define PASS_%s\n", defines, passNames[pass]);
#ifdef _OS_RPI
strcat(defines, "#define OPT_VLIGHTPROJ\n");
strcat(defines, "#define OPT_SHADOW_ONETAP\n");
#endif
char fileName[255];
// generate shader file path
if (Core::support.shaderBinary) {
@@ -648,7 +653,7 @@ namespace GAPI {
bool dynamic;
Mesh(bool dynamic) : iBuffer(NULL), vBuffer(NULL), VAO(NULL), dynamic(dynamic) {
ID[0] = ID[1] = NULL;
ID[0] = ID[1] = 0;
}
void init(Index *indices, int iCount, ::Vertex *vertices, int vCount, int aCount) {
@@ -796,7 +801,7 @@ namespace GAPI {
void *libGL = dlopen("libGLESv2.so", RTLD_LAZY);
#endif
#if defined(_OS_WIN) || (defined(_OS_LINUX) && !defined(_OS_RPI)) || defined(_OS_ANDROID)
#if defined(_OS_WIN) || defined(_OS_LINUX) || defined(_OS_ANDROID)
#ifdef _OS_WIN
GetProcOGL(glActiveTexture);
#endif
@@ -929,8 +934,8 @@ namespace GAPI {
support.texHalf = support.texHalfLinear || extSupport(ext, "_texture_half_float");
#ifdef PROFILE
support.profMarker = extSupport(ext, "_KHR_debug");
support.profTiming = extSupport(ext, "_timer_query");
support.profMarker = extSupport(ext, "_KHR_debug");
support.profTiming = extSupport(ext, "_timer_query");
#endif
if (support.maxAniso)

3
src/platform/rpi/main.cpp
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@@ -523,10 +523,11 @@ int main(int argc, char **argv) {
}
};
inputFree();
sndFree();
Game::deinit();
inputFree();
eglFree(display, surface, context);
wndFree(dmDisplay, dmWindow);

2
src/shaders/common.hlsl
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@@ -3,7 +3,7 @@
#define WATER_FOG_DIST (1.0 / (6.0 * 1024.0))
#define UNDERWATER_COLOR float3(0.6, 0.9, 0.9)
#define SHADOW_NORMAL_BIAS 16.0
#define SHADOW_CONST_BIAS 0.04
#define SHADOW_CONST_BIAS 0.05
#define PI 3.141592653589793
static const float3 SHADOW_TEXEL = float3(1.0 / 1024.0, 1.0 / 1024.0, 0.0);

50
src/shaders/shader.glsl
View File

@@ -10,7 +10,7 @@ R"====(
#define UNDERWATER_COLOR vec3(0.6, 0.9, 0.9)
#define SHADOW_NORMAL_BIAS 16.0
#define SHADOW_CONST_BIAS 0.04
#define SHADOW_CONST_BIAS 0.05
#if (defined(PASS_AMBIENT) || defined(PASS_COMPOSE)) && !defined(TYPE_FLASH)
varying vec3 vCoord;
@@ -25,6 +25,10 @@ varying vec4 vTexCoord; // xy - atlas coords, zw - trapezoidal correction
#ifdef OPT_SHADOW
#define SHADOW_TEXEL vec3(1.0 / 1024.0, 1.0 / 1024.0, 0.0)
uniform mat4 uLightProj;
#ifdef OPT_VLIGHTPROJ
varying vec4 vLightProj;
#endif
#endif
uniform mat4 uViewProj;
@@ -37,7 +41,7 @@ uniform vec4 uMaterial; // x - diffuse, y - ambient, z - specular, w - alpha
uniform vec4 uFogParams;
#ifndef PASS_SHADOW
varying vec4 vViewVec; // xyz - dir * dist, w - coord.y * clipPlaneSign
varying vec4 vViewVec; // xyz - dir * dist, w - coord.y * clipPlaneSign
varying vec4 vDiffuse;
varying vec4 vNormal; // xyz - normal dir, w - fog factor
@@ -53,6 +57,14 @@ uniform vec4 uFogParams;
#endif
#endif
#ifdef OPT_SHADOW
vec4 calcLightProj(vec3 coord, vec3 lightVec, vec3 normal) {
float factor = clamp(1.0 - dot(normalize(lightVec), normal), 0.0, 1.0);
factor *= SHADOW_NORMAL_BIAS;
return uLightProj * vec4(coord + normal * factor, 1.0);
}
#endif
#ifdef VERTEX
#if defined(TYPE_ENTITY) || defined(TYPE_MIRROR)
@@ -208,6 +220,11 @@ uniform vec4 uFogParams;
vAmbient = ambient;
vLight = light;
vLightMap = aLight * light.x;
#ifdef OPT_VLIGHTPROJ
vLightProj = calcLightProj(coord, lv0, vNormal.xyz);
#endif
#else
vLight.xyz = uLightColor[1].xyz * light.y + uLightColor[2].xyz * light.z + uLightColor[3].xyz * light.w;
vLight.w = 0.0;
@@ -296,16 +313,20 @@ uniform vec4 uFogParams;
#ifdef SHADOW_SAMPLER
float rShadow = SHADOW(p);
#else
vec4 samples = vec4(SHADOW( p.xy),
SHADOW(SHADOW_TEXEL.xz + p.xy),
SHADOW(SHADOW_TEXEL.zy + p.xy),
SHADOW(SHADOW_TEXEL.xy + p.xy));
#ifndef OPT_SHADOW_ONETAP
vec4 samples = vec4(SHADOW( p.xy),
SHADOW(SHADOW_TEXEL.xz + p.xy),
SHADOW(SHADOW_TEXEL.zy + p.xy),
SHADOW(SHADOW_TEXEL.xy + p.xy));
samples = step(vec4(p.z), samples);
samples = step(vec4(p.z), samples);
vec2 f = fract(p.xy / SHADOW_TEXEL.xy);
samples.xy = mix(samples.xz, samples.yw, f.x);
float rShadow = mix(samples.x, samples.y, f.y);
vec2 f = fract(p.xy / SHADOW_TEXEL.xy);
samples.xy = mix(samples.xz, samples.yw, f.x);
float rShadow = mix(samples.x, samples.y, f.y);
#else
float rShadow = step(p.z, SHADOW(p.xy));
#endif
#endif
float fade = clamp(dot(lightVec, lightVec), 0.0, 1.0);
@@ -313,9 +334,10 @@ uniform vec4 uFogParams;
}
float getShadow(vec3 lightVec, vec3 normal) {
float factor = clamp(1.0 - dot(normalize(lightVec), normal), 0.0, 1.0);
factor *= SHADOW_NORMAL_BIAS;
return getShadow(lightVec, normal, uLightProj * vec4(vCoord + normal * factor, 1.0));
#ifndef OPT_VLIGHTPROJ
vec4 vLightProj = calcLightProj(vCoord, lightVec, normal);
#endif
return getShadow(lightVec, normal, vLightProj);
}
#endif
@@ -414,7 +436,7 @@ uniform vec4 uFogParams;
#endif
#ifdef TYPE_ROOM
light += mix(vAmbient.xyz, vLightMap.xyz, rShadow);
light += mix(vAmbient, vLightMap.xyz, rShadow);
#endif
#ifdef TYPE_SPRITE