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some more state caching for gl3

This commit is contained in:
aap 2020-05-15 00:00:13 +02:00
parent 3b385c44ae
commit 90ce0f90be
9 changed files with 245 additions and 124 deletions
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10
src/gl/gl2_shaders/header.frag
View File

@ -1,11 +1,13 @@
uniform vec2 u_alphaRef;
uniform float u_fogStart;
uniform float u_fogEnd;
uniform float u_fogRange;
uniform float u_fogDisable;
uniform vec4 u_fogData;
uniform vec4 u_fogColor;
#define u_fogStart (u_fogData.x)
#define u_fogEnd (u_fogData.y)
#define u_fogRange (u_fogData.z)
#define u_fogDisable (u_fogData.w)
void DoAlphaTest(float a)
{
if(a < u_alphaRef.x || a >= u_alphaRef.y)

10
src/gl/gl2_shaders/header.vert
View File

@ -1,10 +1,12 @@
// State
uniform float u_fogStart;
uniform float u_fogEnd;
uniform float u_fogRange;
uniform float u_fogDisable;
uniform vec4 u_fogData;
//uniform vec4 u_fogColor;
#define u_fogStart (u_fogData.x)
#define u_fogEnd (u_fogData.y)
#define u_fogRange (u_fogData.z)
#define u_fogDisable (u_fogData.w)
// Scene
uniform mat4 u_proj;
uniform mat4 u_view;

10
src/gl/gl2_shaders/header_fs.inc
View File

@ -1,12 +1,14 @@
const char *header_frag_src =
"uniform vec2 u_alphaRef;\n"
"uniform float u_fogStart;\n"
"uniform float u_fogEnd;\n"
"uniform float u_fogRange;\n"
"uniform float u_fogDisable;\n"
"uniform vec4 u_fogData;\n"
"uniform vec4 u_fogColor;\n"
"#define u_fogStart (u_fogData.x)\n"
"#define u_fogEnd (u_fogData.y)\n"
"#define u_fogRange (u_fogData.z)\n"
"#define u_fogDisable (u_fogData.w)\n"
"void DoAlphaTest(float a)\n"
"{\n"
" if(a < u_alphaRef.x || a >= u_alphaRef.y)\n"

10
src/gl/gl2_shaders/header_vs.inc
View File

@ -1,11 +1,13 @@
const char *header_vert_src =
"// State\n"
"uniform float u_fogStart;\n"
"uniform float u_fogEnd;\n"
"uniform float u_fogRange;\n"
"uniform float u_fogDisable;\n"
"uniform vec4 u_fogData;\n"
"//uniform vec4 u_fogColor;\n"
"#define u_fogStart (u_fogData.x)\n"
"#define u_fogEnd (u_fogData.y)\n"
"#define u_fogRange (u_fogData.z)\n"
"#define u_fogDisable (u_fogData.w)\n"
"// Scene\n"
"uniform mat4 u_proj;\n"
"uniform mat4 u_view;\n"

237
src/gl/gl3device.cpp
View File

@ -65,12 +65,12 @@ struct UniformState
{
float32 alphaRefLow;
float32 alphaRefHigh;
int32 pad[2];
float32 fogStart;
float32 fogEnd;
float32 fogRange;
float32 fogDisable;
int32 pad[2];
RGBAf fogColor;
};
@ -133,10 +133,11 @@ static UniformObject uniformObject;
#ifndef RW_GL_USE_UBOS
// State
int32 u_alphaRef;
int32 u_fogStart;
int32 u_fogEnd;
int32 u_fogRange;
int32 u_fogDisable;
int32 u_fogData;
//int32 u_fogStart;
//int32 u_fogEnd;
//int32 u_fogRange;
//int32 u_fogDisable;
int32 u_fogColor;
// Scene
@ -193,6 +194,44 @@ struct RwStateCache {
};
static RwStateCache rwStateCache;
enum
{
// actual gl states
RWGL_BLEND,
RWGL_SRCBLEND,
RWGL_DESTBLEND,
RWGL_DEPTHTEST,
RWGL_DEPTHFUNC,
RWGL_DEPTHMASK,
RWGL_CULL,
RWGL_CULLFACE,
// uniforms
RWGL_ALPHAFUNC,
RWGL_ALPHAREF,
RWGL_FOG,
RWGL_FOGSTART,
RWGL_FOGEND,
RWGL_FOGCOLOR,
RWGL_NUM_STATES
};
static bool uniformStateDirty[RWGL_NUM_STATES];
struct GlState {
bool32 blendEnable;
uint32 srcblend, destblend;
bool32 depthTest;
uint32 depthFunc;
uint32 depthMask;
bool32 cullEnable;
uint32 cullFace;
};
static GlState curGlState, oldGlState;
static int32 activeTexture;
static uint32 boundTexture[MAXNUMSTAGES];
@ -211,12 +250,71 @@ static uint32 blendMap[] = {
GL_SRC_ALPHA_SATURATE,
};
/*
* GL state cache
*/
void
setGlRenderState(uint32 state, uint32 value)
{
switch(state){
case RWGL_BLEND: curGlState.blendEnable = value; break;
case RWGL_SRCBLEND: curGlState.srcblend = value; break;
case RWGL_DESTBLEND: curGlState.destblend = value; break;
case RWGL_DEPTHTEST: curGlState.depthTest = value; break;
case RWGL_DEPTHFUNC: curGlState.depthFunc = value; break;
case RWGL_DEPTHMASK: curGlState.depthMask = value; break;
case RWGL_CULL: curGlState.cullEnable = value; break;
case RWGL_CULLFACE: curGlState.cullFace = value; break;
}
}
void
flushGlRenderState(void)
{
if(oldGlState.blendEnable != curGlState.blendEnable){
oldGlState.blendEnable = curGlState.blendEnable;
(oldGlState.blendEnable ? glEnable : glDisable)(GL_BLEND);
}
if(oldGlState.srcblend != curGlState.srcblend ||
oldGlState.destblend != curGlState.destblend){
oldGlState.srcblend = curGlState.srcblend;
oldGlState.destblend = curGlState.destblend;
glBlendFunc(oldGlState.srcblend, oldGlState.destblend);
}
if(oldGlState.depthTest != curGlState.depthTest){
oldGlState.depthTest = curGlState.depthTest;
(oldGlState.depthTest ? glEnable : glDisable)(GL_DEPTH_TEST);
}
if(oldGlState.depthFunc != curGlState.depthFunc){
oldGlState.depthFunc = curGlState.depthFunc;
glDepthFunc(oldGlState.depthFunc);
}
if(oldGlState.depthMask != curGlState.depthMask){
oldGlState.depthMask = curGlState.depthMask;
glDepthMask(oldGlState.depthMask);
}
if(oldGlState.cullEnable != curGlState.cullEnable){
oldGlState.cullEnable = curGlState.cullEnable;
(oldGlState.cullEnable ? glEnable : glDisable)(GL_CULL_FACE);
}
if(oldGlState.cullFace != curGlState.cullFace){
oldGlState.cullFace = curGlState.cullFace;
glCullFace(oldGlState.cullFace);
}
}
void
setAlphaBlend(bool32 enable)
{
if(rwStateCache.blendEnable != enable){
rwStateCache.blendEnable = enable;
(enable ? glEnable : glDisable)(GL_BLEND);
setGlRenderState(RWGL_BLEND, true);
}
}
@ -233,14 +331,11 @@ setDepthTest(bool32 enable)
rwStateCache.ztest = enable;
if(rwStateCache.zwrite && !enable){
// If we still want to write, enable but set mode to always
glEnable(GL_DEPTH_TEST);
glDepthFunc(GL_ALWAYS);
setGlRenderState(RWGL_DEPTHTEST, true);
setGlRenderState(RWGL_DEPTHFUNC, GL_ALWAYS);
}else{
if(rwStateCache.ztest)
glEnable(GL_DEPTH_TEST);
else
glDisable(GL_DEPTH_TEST);
glDepthFunc(GL_LEQUAL);
setGlRenderState(RWGL_DEPTHTEST, rwStateCache.ztest);
setGlRenderState(RWGL_DEPTHFUNC, GL_LEQUAL);
}
}
}
@ -253,10 +348,10 @@ setDepthWrite(bool32 enable)
rwStateCache.zwrite = enable;
if(enable && !rwStateCache.ztest){
// Have to switch on ztest so writing can work
glEnable(GL_DEPTH_TEST);
glDepthFunc(GL_ALWAYS);
setGlRenderState(RWGL_DEPTHTEST, true);
setGlRenderState(RWGL_DEPTHFUNC, GL_ALWAYS);
}
glDepthMask(rwStateCache.zwrite);
setGlRenderState(RWGL_DEPTHMASK, rwStateCache.zwrite);
}
}
@ -269,6 +364,7 @@ setAlphaTest(bool32 enable)
shaderfunc = rwStateCache.alphaTestEnable ? rwStateCache.alphaFunc : ALPHAALWAYS;
if(alphaFunc != shaderfunc){
alphaFunc = shaderfunc;
uniformStateDirty[RWGL_ALPHAFUNC] = true;
stateDirty = 1;
}
}
@ -283,6 +379,7 @@ setAlphaTestFunction(uint32 function)
shaderfunc = rwStateCache.alphaTestEnable ? rwStateCache.alphaFunc : ALPHAALWAYS;
if(alphaFunc != shaderfunc){
alphaFunc = shaderfunc;
uniformStateDirty[RWGL_ALPHAFUNC] = true;
stateDirty = 1;
}
}
@ -401,10 +498,6 @@ setRasterStageOnly(uint32 stage, Raster *raster)
alpha = natras->hasAlpha;
}else{
bindTexture(whitetex);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
alpha = 0;
}
@ -450,10 +543,6 @@ setRasterStage(uint32 stage, Raster *raster)
alpha = natras->hasAlpha;
}else{
bindTexture(whitetex);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
alpha = 0;
}
@ -509,13 +598,13 @@ setRenderState(int32 state, void *pvalue)
case SRCBLEND:
if(rwStateCache.srcblend != value){
rwStateCache.srcblend = value;
glBlendFunc(blendMap[rwStateCache.srcblend], blendMap[rwStateCache.destblend]);
setGlRenderState(RWGL_SRCBLEND, blendMap[rwStateCache.srcblend]);
}
break;
case DESTBLEND:
if(rwStateCache.destblend != value){
rwStateCache.destblend = value;
glBlendFunc(blendMap[rwStateCache.srcblend], blendMap[rwStateCache.destblend]);
setGlRenderState(RWGL_DESTBLEND, blendMap[rwStateCache.destblend]);
}
break;
case ZTESTENABLE:
@ -527,6 +616,7 @@ setRenderState(int32 state, void *pvalue)
case FOGENABLE:
if(rwStateCache.fogEnable != value){
rwStateCache.fogEnable = value;
uniformStateDirty[RWGL_FOG] = true;
stateDirty = 1;
}
break;
@ -538,16 +628,17 @@ setRenderState(int32 state, void *pvalue)
c.blue = value>>16;
c.alpha = value>>24;
convColor(&uniformState.fogColor, &c);
uniformStateDirty[RWGL_FOGCOLOR] = true;
stateDirty = 1;
break;
case CULLMODE:
if(rwStateCache.cullmode != value){
rwStateCache.cullmode = value;
if(rwStateCache.cullmode == CULLNONE)
glDisable(GL_CULL_FACE);
setGlRenderState(RWGL_CULL, false);
else{
glEnable(GL_CULL_FACE);
glCullFace(rwStateCache.cullmode == CULLBACK ? GL_BACK : GL_FRONT);
setGlRenderState(RWGL_CULL, true);
setGlRenderState(RWGL_CULLFACE, rwStateCache.cullmode == CULLBACK ? GL_BACK : GL_FRONT);
}
}
break;
@ -558,6 +649,7 @@ setRenderState(int32 state, void *pvalue)
case ALPHATESTREF:
if(alphaRef != value/255.0f){
alphaRef = value/255.0f;
uniformStateDirty[RWGL_ALPHAREF] = true;
stateDirty = 1;
}
break;
@ -656,21 +748,25 @@ resetRenderState(void)
rwStateCache.textureAlpha = 0;
rwStateCache.alphaTestEnable = 0;
memset(&oldGlState, 0xFF, sizeof(oldGlState));
rwStateCache.blendEnable = 0;
glDisable(GL_BLEND);
setGlRenderState(RWGL_BLEND, false);
rwStateCache.srcblend = BLENDSRCALPHA;
rwStateCache.destblend = BLENDINVSRCALPHA;
glBlendFunc(blendMap[rwStateCache.srcblend], blendMap[rwStateCache.destblend]);
setGlRenderState(RWGL_SRCBLEND, blendMap[rwStateCache.srcblend]);
setGlRenderState(RWGL_DESTBLEND, blendMap[rwStateCache.destblend]);
rwStateCache.zwrite = GL_TRUE;
glDepthMask(rwStateCache.zwrite);
setGlRenderState(RWGL_DEPTHMASK, rwStateCache.zwrite);
rwStateCache.ztest = 1;
glEnable(GL_DEPTH_TEST);
glDepthFunc(GL_LEQUAL);
setGlRenderState(RWGL_DEPTHTEST, true);
setGlRenderState(RWGL_DEPTHFUNC, GL_LEQUAL);
rwStateCache.cullmode = CULLNONE;
glDisable(GL_CULL_FACE);
setGlRenderState(RWGL_CULL, false);
setGlRenderState(RWGL_CULLFACE, GL_BACK);
activeTexture = -1;
for(int i = 0; i < MAXNUMSTAGES; i++){
@ -773,6 +869,8 @@ Shader *lastShaderUploaded;
void
flushCache(void)
{
flushGlRenderState();
#ifndef RW_GL_USE_UBOS
#define U(i) currentShader->uniformLocations[i]
@ -782,6 +880,16 @@ flushCache(void)
objectDirty = 1;
sceneDirty = 1;
stateDirty = 1;
int i;
for(i = 0; i < RWGL_NUM_STATES; i++)
uniformStateDirty[i] = true;
}
if(sceneDirty){
glUniformMatrix4fv(U(u_proj), 1, 0, uniformScene.proj);
glUniformMatrix4fv(U(u_view), 1, 0, uniformScene.view);
sceneDirty = 0;
}
if(objectDirty){
@ -794,18 +902,14 @@ flushCache(void)
objectDirty = 0;
}
if(sceneDirty){
glUniformMatrix4fv(U(u_proj), 1, 0, uniformScene.proj);
glUniformMatrix4fv(U(u_view), 1, 0, uniformScene.view);
sceneDirty = 0;
}
// if(stateDirty){
if(stateDirty){
uniformState.fogDisable = rwStateCache.fogEnable ? 0.0f : 1.0f;
uniformState.fogStart = rwStateCache.fogStart;
uniformState.fogEnd = rwStateCache.fogEnd;
uniformState.fogRange = 1.0f/(rwStateCache.fogStart - rwStateCache.fogEnd);
if(uniformStateDirty[RWGL_ALPHAFUNC] || uniformStateDirty[RWGL_ALPHAREF]){
switch(alphaFunc){
case ALPHAALWAYS:
default:
@ -818,14 +922,32 @@ flushCache(void)
glUniform2f(U(u_alphaRef), -1000.0f, alphaRef);
break;
}
glUniform1f(U(u_fogStart), uniformState.fogStart);
glUniform1f(U(u_fogEnd), uniformState.fogEnd);
glUniform1f(U(u_fogRange), uniformState.fogRange);
glUniform1f(U(u_fogDisable), uniformState.fogDisable);
glUniform4fv(U(u_fogColor), 1, (float*)&uniformState.fogColor);
stateDirty = 0;
uniformStateDirty[RWGL_ALPHAFUNC] = false;
uniformStateDirty[RWGL_ALPHAREF] = false;
}
if(uniformStateDirty[RWGL_FOG] ||
uniformStateDirty[RWGL_FOGSTART] ||
uniformStateDirty[RWGL_FOGEND]){
float fogData[4] = {
uniformState.fogStart,
uniformState.fogEnd,
uniformState.fogRange,
uniformState.fogDisable
};
glUniform4fv(U(u_fogData), 1, fogData);
uniformStateDirty[RWGL_FOG] = false;
uniformStateDirty[RWGL_FOGSTART] = false;
uniformStateDirty[RWGL_FOGEND] = false;
}
if(uniformStateDirty[RWGL_FOGCOLOR]){
glUniform4fv(U(u_fogColor), 1, (float*)&uniformState.fogColor);
uniformStateDirty[RWGL_FOGCOLOR] = false;
}
// stateDirty = 0;
// }
#else
if(objectDirty){
glBindBuffer(GL_UNIFORM_BUFFER, ubo_object);
@ -991,10 +1113,12 @@ beginUpdate(Camera *cam)
if(rwStateCache.fogStart != cam->fogPlane){
rwStateCache.fogStart = cam->fogPlane;
uniformStateDirty[RWGL_FOGSTART] = true;
stateDirty = 1;
}
if(rwStateCache.fogEnd != cam->farPlane){
rwStateCache.fogEnd = cam->farPlane;
uniformStateDirty[RWGL_FOGEND] = true;
stateDirty = 1;
}
@ -1239,10 +1363,11 @@ initOpenGL(void)
{
#ifndef RW_GL_USE_UBOS
u_alphaRef = registerUniform("u_alphaRef");
u_fogStart = registerUniform("u_fogStart");
u_fogEnd = registerUniform("u_fogEnd");
u_fogRange = registerUniform("u_fogRange");
u_fogDisable = registerUniform("u_fogDisable");
u_fogData = registerUniform("u_fogData");
// u_fogStart = registerUniform("u_fogStart");
// u_fogEnd = registerUniform("u_fogEnd");
// u_fogRange = registerUniform("u_fogRange");
// u_fogDisable = registerUniform("u_fogDisable");
u_fogColor = registerUniform("u_fogColor");
u_proj = registerUniform("u_proj");
u_view = registerUniform("u_view");
@ -1266,8 +1391,10 @@ initOpenGL(void)
byte whitepixel[4] = {0xFF, 0xFF, 0xFF, 0xFF};
glGenTextures(1, &whitetex);
glBindTexture(GL_TEXTURE_2D, whitetex);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 1, 1,
0, GL_RGBA, GL_UNSIGNED_BYTE, &whitepixel);

18
src/gl/shaders/header.frag
View File

@ -2,25 +2,21 @@
layout(std140) uniform State
{
vec2 u_alphaRef;
float u_fogStart;
float u_fogEnd;
float u_fogRange;
float u_fogDisable;
vec4 u_fogData;
vec4 u_fogColor;
};
#else
//uniform int u_alphaTest;
//uniform float u_alphaRef;
uniform vec2 u_alphaRef;
uniform float u_fogStart;
uniform float u_fogEnd;
uniform float u_fogRange;
uniform float u_fogDisable;
uniform vec4 u_fogData;
uniform vec4 u_fogColor;
#endif
#define u_fogStart (u_fogData.x)
#define u_fogEnd (u_fogData.y)
#define u_fogRange (u_fogData.z)
#define u_fogDisable (u_fogData.w)
void DoAlphaTest(float a)
{
if(a < u_alphaRef.x || a >= u_alphaRef.y)

17
src/gl/shaders/header.vert
View File

@ -7,23 +7,20 @@
layout(std140) uniform State
{
vec2 u_alphaRef;
float u_fogStart;
float u_fogEnd;
float u_fogRange;
float u_fogDisable;
vec4 u_fogData;
vec4 u_fogColor;
};
#else
uniform vec2 u_alphaRef;
uniform float u_fogStart;
uniform float u_fogEnd;
uniform float u_fogRange;
uniform float u_fogDisable;
uniform vec4 u_fogData;
uniform vec4 u_fogColor;
#endif
#define u_fogStart (u_fogData.x)
#define u_fogEnd (u_fogData.y)
#define u_fogRange (u_fogData.z)
#define u_fogDisable (u_fogData.w)
#ifdef USE_UBOS
layout(std140) uniform Scene
{

18
src/gl/shaders/header_fs.inc
View File

@ -3,25 +3,21 @@ const char *header_frag_src =
"layout(std140) uniform State\n"
"{\n"
" vec2 u_alphaRef;\n"
" float u_fogStart;\n"
" float u_fogEnd;\n"
" float u_fogRange;\n"
" float u_fogDisable;\n"
" vec4 u_fogData;\n"
" vec4 u_fogColor;\n"
"};\n"
"#else\n"
"//uniform int u_alphaTest;\n"
"//uniform float u_alphaRef;\n"
"uniform vec2 u_alphaRef;\n"
"uniform float u_fogStart;\n"
"uniform float u_fogEnd;\n"
"uniform float u_fogRange;\n"
"uniform float u_fogDisable;\n"
"uniform vec4 u_fogData;\n"
"uniform vec4 u_fogColor;\n"
"#endif\n"
"#define u_fogStart (u_fogData.x)\n"
"#define u_fogEnd (u_fogData.y)\n"
"#define u_fogRange (u_fogData.z)\n"
"#define u_fogDisable (u_fogData.w)\n"
"void DoAlphaTest(float a)\n"
"{\n"
" if(a < u_alphaRef.x || a >= u_alphaRef.y)\n"

17
src/gl/shaders/header_vs.inc
View File

@ -8,23 +8,20 @@ const char *header_vert_src =
"layout(std140) uniform State\n"
"{\n"
" vec2 u_alphaRef;\n"
" float u_fogStart;\n"
" float u_fogEnd;\n"
" float u_fogRange;\n"
" float u_fogDisable;\n"
" vec4 u_fogData;\n"
" vec4 u_fogColor;\n"
"};\n"
"#else\n"
"uniform vec2 u_alphaRef;\n"
"uniform float u_fogStart;\n"
"uniform float u_fogEnd;\n"
"uniform float u_fogRange;\n"
"uniform float u_fogDisable;\n"
"uniform vec4 u_fogData;\n"
"uniform vec4 u_fogColor;\n"
"#endif\n"
"#define u_fogStart (u_fogData.x)\n"
"#define u_fogEnd (u_fogData.y)\n"
"#define u_fogRange (u_fogData.z)\n"
"#define u_fogDisable (u_fogData.w)\n"
"#ifdef USE_UBOS\n"
"layout(std140) uniform Scene\n"
"{\n"