sid/NazaraEngine
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Big Graphics update

Browse Source 
Separated LightManager
Added Sprite class
Added View class
Camera is no longer a SceneNode
Fixed Material not invalidating programs
Renamed CameraPosition uniform to EyePosition
Renamed VisibilityTest to FrustumCull


Former-commit-id: ff7fbe4d9b31a3c269baab0b48c6faa347a12161
This commit is contained in:
Lynix
2013-08-21 20:05:33 +02:00
parent 09e3027129
commit c8414a39d8
39 changed files with 1772 additions and 556 deletions
Download Patch File Download Diff File Expand all files Collapse all files

277
src/Nazara/Renderer/ShaderProgramManager.cpp
View File

@@ -3,6 +3,9 @@
// For conditions of distribution and use, see copyright notice in Config.hpp
#include <Nazara/Core/Log.hpp>
#include <Nazara/Core/Clock.hpp>
#include <Nazara/Core/Directory.hpp>
#include <Nazara/Core/File.hpp>
#include <Nazara/Renderer/OpenGL.hpp>
#include <Nazara/Renderer/ShaderProgramManager.hpp>
#include <cstring>
@@ -24,9 +27,9 @@ namespace
switch (params.target)
{
case nzShaderTarget_FullscreenQuad:
h |= (params.fullscreenQuad.alphaMapping << 10) | // 1 bit
(params.fullscreenQuad.alphaTest << 11) | // 1 bit
(params.fullscreenQuad.diffuseMapping << 12); // 1 bit
h |= (params.fullscreenQuad.alphaMapping << 10) | // 1 bit
(params.fullscreenQuad.alphaTest << 11) | // 1 bit
(params.fullscreenQuad.diffuseMapping << 12); // 1 bit
break;
case nzShaderTarget_Model:
@@ -42,6 +45,12 @@ namespace
case nzShaderTarget_None:
break;
case nzShaderTarget_Sprite:
h |= (params.sprite.alphaMapping << 10) | // 1 bit
(params.sprite.alphaTest << 11) | // 1 bit
(params.sprite.diffuseMapping << 12); // 1 bit
break;
}
return h;
@@ -65,6 +74,9 @@ namespace
case nzShaderTarget_None:
return true;
case nzShaderTarget_Sprite:
return std::memcmp(&first.sprite, &second.sprite, sizeof(NzShaderProgramManagerParams::Sprite)) == 0;
}
return false;
@@ -72,12 +84,15 @@ namespace
};
std::unordered_map<NzShaderProgramManagerParams, NzShaderProgramRef, ParamsHash, ParamsEquality> s_programs;
NzString s_cacheDirectory("shaderCache");
NzString s_inKW;
NzString s_outKW;
NzString s_fragmentColorKW;
NzString s_textureLookupKW;
bool s_cacheEnabled = false;
bool s_earlyFragmentTest;
bool s_glsl140;
//bool s_loadCachedPrograms = true;
unsigned int s_glslVersion;
}
@@ -86,8 +101,68 @@ const NzShaderProgram* NzShaderProgramManager::Get(const NzShaderProgramManagerP
auto it = s_programs.find(params);
if (it == s_programs.end())
{
// Alors nous gébérons le programme
NzShaderProgram* program = GenerateProgram(params);
// Alors nous générons le programme
std::unique_ptr<NzShaderProgram> program;
if (s_cacheEnabled)
{
NzString programFileName = NzNumberToString(ParamsHash()(params), 36) + ".nsb"; // Nazara Shader Binary, très original, je sais
NazaraDebug("Checking cache for program file \"" + programFileName + "\"...");
NzFile shaderFile(s_cacheDirectory + NAZARA_DIRECTORY_SEPARATOR + programFileName);
if (shaderFile.Open(NzFile::ReadOnly))
{
NazaraDebug("File found");
unsigned int size = shaderFile.GetSize();
NzByteArray binary;
binary.Resize(size);
if (shaderFile.Read(&binary[0], size) != size)
{
NazaraError("Failed to read program binary");
return false;
}
shaderFile.Close();
program.reset(new NzShaderProgram);
if (!program->LoadFromBinary(binary))
{
NazaraWarning("Program \"" + programFileName + "\" loading failed, this is mostly due to a driver/video card "
"update or a file corruption, regenerating program...");
program.reset(GenerateProgram(params));
}
}
else
{
if (shaderFile.Exists())
NazaraWarning("Program file exists but couldn't be opened");
program.reset(GenerateProgram(params));
if (program)
{
if (program->IsBinaryRetrievable())
{
NazaraDebug("Program \"" + programFileName + "\" (re)generated, saving it into program cache directory...");
NzByteArray programBinary = program->GetBinary();
if (!programBinary.IsEmpty())
{
if (!shaderFile.Open(NzFile::Truncate | NzFile::WriteOnly) || !shaderFile.Write(programBinary))
NazaraWarning("Failed to save program binary to file \"" + programFileName + "\": " + NzGetLastSystemError());
}
else
NazaraWarning("Failed to retrieve shader program binary");
}
}
}
}
else
program.reset(GenerateProgram(params));
if (!program)
{
NazaraWarning("Failed to build program, using default one...");
@@ -96,12 +171,10 @@ const NzShaderProgram* NzShaderProgramManager::Get(const NzShaderProgramManagerP
defaultParams.flags = params.flags;
defaultParams.target = nzShaderTarget_None;
program = s_programs[defaultParams]; // Shader par défaut
program.reset(s_programs[defaultParams]); // Shader par défaut
}
s_programs[params] = program;
return program;
return program.release();
}
else
return it->second;
@@ -125,13 +198,14 @@ NzString NzShaderProgramManager::BuildFragmentCode(const NzShaderProgramManagerP
source += NzString::Number(s_glslVersion);
source += "\n\n";
if (s_earlyFragmentTest)
source += "layout(early_fragment_tests) in;" "\n\n";
switch (params.target)
{
case nzShaderTarget_FullscreenQuad:
{
// "discard" ne s'entend pas bien avec les early fragment tests
if (s_earlyFragmentTest && !params.fullscreenQuad.alphaMapping)
source += "layout(early_fragment_tests) in;" "\n\n";
/********************Entrant********************/
if (params.fullscreenQuad.alphaMapping || params.fullscreenQuad.diffuseMapping)
source += s_inKW + " vec2 vTexCoord;" "\n\n";
@@ -162,23 +236,17 @@ NzString NzShaderProgramManager::BuildFragmentCode(const NzShaderProgramManagerP
if (params.fullscreenQuad.diffuseMapping)
source += '*' + s_textureLookupKW + "(MaterialDiffuseMap, vTexCoord)";
source += ";" "\n"
"\t" "float fragmentAlpha = ";
if (params.fullscreenQuad.diffuseMapping)
source += "fragmentColor.a";
else
source += "MaterialDiffuse.a";
source += ";" "\n";
if (params.fullscreenQuad.alphaMapping)
source += '*' + s_textureLookupKW + "(MaterialAlphaMap, vTexCoord).r";
source += "fragmentColor.a *= " + s_textureLookupKW + "(MaterialAlphaMap, vTexCoord).r";
source += ";" "\n";
if (params.fullscreenQuad.alphaMapping)
{
source += "if (fragmentAlpha < MaterialAlphaThreshold)" "\n"
"\t" "discard;" "\n";
source += "\t" "if (fragmentColor.a < MaterialAlphaThreshold)" "\n"
"\t\t" "discard;" "\n";
}
source += "\t" "RenderTarget0 = fragmentColor;" "\n"
@@ -191,6 +259,10 @@ NzString NzShaderProgramManager::BuildFragmentCode(const NzShaderProgramManagerP
//bool parallaxMapping = (params.model.lighting && params.model.parallaxMapping);
bool uvMapping = (params.model.alphaMapping || params.model.diffuseMapping || params.model.normalMapping || params.model.specularMapping);
// "discard" ne s'entend pas bien avec les early fragment tests
if (s_earlyFragmentTest && !params.model.alphaMapping)
source += "layout(early_fragment_tests) in;" "\n\n";
if (params.model.lighting)
{
source += "#define LIGHT_DIRECTIONAL 0" "\n"
@@ -235,7 +307,7 @@ NzString NzShaderProgramManager::BuildFragmentCode(const NzShaderProgramManagerP
"\t" "vec2 parameters3;" "\n"
"};" "\n\n"
"uniform vec3 CameraPosition;" "\n"
"uniform vec3 EyePosition;" "\n"
"uniform Light Lights[3];" "\n"
"uniform vec4 MaterialAmbient;" "\n";
}
@@ -298,8 +370,8 @@ NzString NzShaderProgramManager::BuildFragmentCode(const NzShaderProgramManagerP
if (params.model.alphaTest)
{
source += "if (diffuseColor.a < MaterialAlphaThreshold)" "\n"
"\t" "discard;" "\n";
source += "\t" "if (fragmentColor.a < MaterialAlphaThreshold)" "\n"
"\t\t" "discard;" "\n";
}
if (params.model.lighting)
@@ -318,7 +390,7 @@ NzString NzShaderProgramManager::BuildFragmentCode(const NzShaderProgramManagerP
source += "\t" "if (MaterialShininess > 0.0)" "\n"
"\t" "{" "\n"
"\t\t" "vec3 eyeVec = normalize(CameraPosition - vWorldPos);" "\n\n"
"\t\t" "vec3 eyeVec = normalize(EyePosition - vWorldPos);" "\n\n"
"\t\t" "for (int i = 0; i < 3; ++i)" "\n"
"\t\t" "{" "\n";
@@ -551,6 +623,9 @@ NzString NzShaderProgramManager::BuildFragmentCode(const NzShaderProgramManagerP
case nzShaderTarget_None:
{
if (s_earlyFragmentTest)
source += "layout(early_fragment_tests) in;" "\n\n";
/********************Sortant********************/
if (s_glsl140)
source += "out vec4 RenderTarget0;" "\n\n";
@@ -565,6 +640,60 @@ NzString NzShaderProgramManager::BuildFragmentCode(const NzShaderProgramManagerP
source += "}" "\n";
break;
}
case nzShaderTarget_Sprite:
{
// "discard" ne s'entend pas bien avec les early fragment tests
if (s_earlyFragmentTest && !params.sprite.alphaMapping)
source += "layout(early_fragment_tests) in;" "\n\n";
/********************Entrant********************/
if (params.sprite.alphaMapping || params.sprite.diffuseMapping)
source += s_inKW + " vec2 vTexCoord;" "\n\n";
/********************Sortant********************/
if (s_glsl140)
source += "out vec4 RenderTarget0;" "\n\n";
/********************Uniformes********************/
if (params.sprite.alphaMapping)
source += "uniform sampler2D MaterialAlphaMap;" "\n";
if (params.sprite.alphaTest)
source += "uniform float MaterialAlphaThreshold;" "\n";
source += "uniform vec4 MaterialDiffuse;" "\n";
if (params.sprite.diffuseMapping)
source += "uniform sampler2D MaterialDiffuseMap;" "\n";
source += '\n';
/********************Fonctions********************/
source += "void main()" "\n"
"{" "\n";
source += "\t" "vec4 fragmentColor = MaterialDiffuse";
if (params.sprite.diffuseMapping)
source += '*' + s_textureLookupKW + "(MaterialDiffuseMap, vTexCoord)";
source += ";" "\n";
if (params.sprite.alphaMapping)
source += "fragmentColor.a *= " + s_textureLookupKW + "(MaterialAlphaMap, vTexCoord).r";
source += ";" "\n";
if (params.sprite.alphaMapping)
{
source += "\t" "if (fragmentColor.a < MaterialAlphaThreshold)" "\n"
"\t\t" "discard;" "\n";
}
source += "\t" "RenderTarget0 = fragmentColor;" "\n"
"}" "\n";
break;
}
}
return source;
@@ -754,6 +883,54 @@ NzString NzShaderProgramManager::BuildVertexCode(const NzShaderProgramManagerPar
source += "}" "\n";
break;
}
case nzShaderTarget_Sprite:
{
bool uvMapping = (params.fullscreenQuad.alphaMapping || params.fullscreenQuad.diffuseMapping);
/********************Entrant********************/
if (params.flags & nzShaderFlags_Instancing)
source += s_inKW + " mat4 InstanceData0;" "\n";
source += s_inKW + " vec3 VertexPosition;" "\n";
if (uvMapping)
source += s_inKW + " vec2 VertexTexCoord;" "\n";
source += '\n';
/********************Sortant********************/
if (uvMapping)
source += s_outKW + " vec2 vTexCoord;" "\n\n";
/********************Uniformes********************/
if (params.flags & nzShaderFlags_Instancing)
source += "uniform mat4 ViewProjMatrix;" "\n";
else
source += "uniform mat4 WorldViewProjMatrix;" "\n";
source += '\n';
/********************Code********************/
source += "void main()" "\n"
"{" "\n";
if (params.flags & nzShaderFlags_Instancing)
source += "\t" "gl_Position = ViewProjMatrix * InstanceData0 * vec4(VertexPosition, 1.0);" "\n";
else
source += "\t" "gl_Position = WorldViewProjMatrix * vec4(VertexPosition, 1.0);" "\n";
if (uvMapping)
{
if (params.flags & nzShaderFlags_FlipUVs)
source += "\t" "vTexCoord = vec2(VertexTexCoord.x, 1.0 - VertexTexCoord.y);" "\n";
else
source += "\t" "vTexCoord = VertexTexCoord;" "\n";
}
source += "}" "\n";
break;
}
}
return source;
@@ -825,6 +1002,54 @@ bool NzShaderProgramManager::Initialize()
s_programs[params] = program;
}
/*if (s_loadCachedPrograms)
{
NzDirectory cacheDirectory(s_cacheDirectory);
cacheDirectory.SetPattern("*.nsb");
if (cacheDirectory.Open())
{
while (cacheDirectory.NextResult(true))
{
long long hash;
if (cacheDirectory.GetResultName().SubStringTo(".nsb", -1, true, false).ToInteger(&hash, 32))
{
std::size_t hashCode = static_cast<std::size_t>(hash);
if (s_programs.find(hashCode) == s_programs.end())
{
NzFile shaderFile(cacheDirectory.GetResultPath());
if (shaderFile.Open(NzFile::ReadOnly))
{
unsigned int size = cacheDirectory.GetResultSize();
NzByteArray binary;
binary.Resize(size);
if (shaderFile.Read(&binary[0], size) != size)
{
NazaraError("Failed to read program binary");
return false;
}
shaderFile.Close();
std::unique_ptr<NzShaderProgram> program(new NzShaderProgram);
if (program->LoadFromBinary(binary))
s_programs[hashCode] = binary.release();
else
NazaraWarning("Program binary \"" + cacheDirectory.GetResultName() + "\" loading failed, this is mostly due to a driver/video card "
"update or a file corruption, regenerating program..."); }
}
}
else
NazaraWarning("Failed to parse program file name (" + cacheDirectory.GetResultName() + ')');
}
}
else if (cacheDirectory.Exists())
NazaraWarning("Failed to open shader cache directory");
}*/
return true;
}