diff options
| -rw-r--r-- | doc/python_api/rst/bge_types/bge.types.BL_Shader.rst | 10 | ||||
| -rw-r--r-- | source/gameengine/Ketsji/BL_Shader.cpp | 156 | ||||
| -rw-r--r-- | source/gameengine/Ketsji/BL_Shader.h | 4 |
3 files changed, 112 insertions, 58 deletions
diff --git a/doc/python_api/rst/bge_types/bge.types.BL_Shader.rst b/doc/python_api/rst/bge_types/bge.types.BL_Shader.rst index f4f5c0d62ba..a389f68ee04 100644 --- a/doc/python_api/rst/bge_types/bge.types.BL_Shader.rst +++ b/doc/python_api/rst/bge_types/bge.types.BL_Shader.rst @@ -214,6 +214,16 @@ base class --- :class:`PyObjectPlus` :arg iList: a list (2, 3 or 4 elements) of integer values :type iList: list[integer] + .. method:: setUniformEyef(name) + + Set a uniform with a float value that reflects the eye being render in stereo mode: + 0.0 for the left eye, 0.5 for the right eye. In non stereo mode, the value of the uniform + is fixed to 0.0. The typical use of this uniform is in stereo mode to sample stereo textures + containing the left and right eye images in a top-bottom order. + + :arg name: the uniform name + :type name: string + .. method:: validate() Validate the shader object. diff --git a/source/gameengine/Ketsji/BL_Shader.cpp b/source/gameengine/Ketsji/BL_Shader.cpp index 6613780a0f8..72815cadc70 100644 --- a/source/gameengine/Ketsji/BL_Shader.cpp +++ b/source/gameengine/Ketsji/BL_Shader.cpp @@ -32,6 +32,7 @@ #include "MT_Matrix4x4.h" #include "MT_Matrix3x3.h" #include "KX_PyMath.h" +#include "KX_PythonInit.h" #include "MEM_guardedalloc.h" #include "RAS_MeshObject.h" @@ -67,15 +68,16 @@ BL_Uniform::~BL_Uniform() #endif } -void BL_Uniform::Apply(class BL_Shader *shader) +bool BL_Uniform::Apply(class BL_Shader *shader) { #ifdef SORT_UNIFORMS + RAS_IRasterizer *ras; MT_assert(mType > UNI_NONE && mType < UNI_MAX && mData); - if (!mDirty) { - return; - } + if (!mDirty) + return false; + mDirty = false; switch (mType) { case UNI_FLOAT: { @@ -83,6 +85,15 @@ void BL_Uniform::Apply(class BL_Shader *shader) glUniform1fARB(mLoc, (GLfloat)*f); break; } + case UNI_FLOAT_EYE: + { + float *f = (float*)mData; + ras = KX_GetActiveEngine()->GetRasterizer(); + *f = (ras->GetEye() == RAS_IRasterizer::RAS_STEREO_LEFTEYE) ? 0.0f : 0.5f; + glUniform1fARB(mLoc, (GLfloat)*f); + mDirty = (ras->Stereo()) ? true : false; + break; + } case UNI_INT: { int *f = (int *)mData; @@ -138,7 +149,7 @@ void BL_Uniform::Apply(class BL_Shader *shader) break; } } - mDirty = false; + return mDirty; #endif } @@ -274,11 +285,10 @@ void BL_Shader::ApplyShader() return; } - for (unsigned int i = 0; i < mUniforms.size(); i++) { - mUniforms[i]->Apply(this); - } - mDirty = false; + for (unsigned int i=0; i<mUniforms.size(); i++) { + mDirty |= mUniforms[i]->Apply(this); + } #endif } @@ -314,64 +324,70 @@ bool BL_Shader::LinkProgram() return false; } - // -- vertex shader ------------------ - tmpVert = glCreateShaderObjectARB(GL_VERTEX_SHADER_ARB); - glShaderSourceARB(tmpVert, 1, (const char **)&vertProg, 0); - glCompileShaderARB(tmpVert); - glGetObjectParameterivARB(tmpVert, GL_OBJECT_INFO_LOG_LENGTH_ARB, (GLint *)&vertlen); - - // print info if any - if (vertlen > 0 && vertlen < MAX_LOG_LEN) { - logInf = (char *)MEM_mallocN(vertlen, "vert-log"); - glGetInfoLogARB(tmpVert, vertlen, (GLsizei *)&char_len, logInf); - - if (char_len > 0) { - spit("---- Vertex Shader Error ----"); - spit(logInf); + if (vertProg[0] != 0) { + // -- vertex shader ------------------ + tmpVert = glCreateShaderObjectARB(GL_VERTEX_SHADER_ARB); + glShaderSourceARB(tmpVert, 1, (const char**)&vertProg, 0); + glCompileShaderARB(tmpVert); + glGetObjectParameterivARB(tmpVert, GL_OBJECT_INFO_LOG_LENGTH_ARB, (GLint*)&vertlen); + + // print info if any + if (vertlen > 0 && vertlen < MAX_LOG_LEN) { + logInf = (char*)MEM_mallocN(vertlen, "vert-log"); + glGetInfoLogARB(tmpVert, vertlen, (GLsizei*)&char_len, logInf); + if (char_len > 0) { + spit("---- Vertex Shader Error ----"); + spit(logInf); + } + MEM_freeN(logInf); + logInf = 0; + } + // check for compile errors + glGetObjectParameterivARB(tmpVert, GL_OBJECT_COMPILE_STATUS_ARB, (GLint*)&vertstatus); + if (!vertstatus) { + spit("---- Vertex shader failed to compile ----"); + goto programError; } - - MEM_freeN(logInf); - logInf = 0; - } - - // check for compile errors - glGetObjectParameterivARB(tmpVert, GL_OBJECT_COMPILE_STATUS_ARB, (GLint *)&vertstatus); - if (!vertstatus) { - spit("---- Vertex shader failed to compile ----"); - goto programError; } - // -- fragment shader ---------------- - tmpFrag = glCreateShaderObjectARB(GL_FRAGMENT_SHADER_ARB); - glShaderSourceARB(tmpFrag, 1, (const char **)&fragProg, 0); - glCompileShaderARB(tmpFrag); - glGetObjectParameterivARB(tmpFrag, GL_OBJECT_INFO_LOG_LENGTH_ARB, (GLint *)&fraglen); - - if (fraglen > 0 && fraglen < MAX_LOG_LEN) { - logInf = (char *)MEM_mallocN(fraglen, "frag-log"); - glGetInfoLogARB(tmpFrag, fraglen, (GLsizei *)&char_len, logInf); - - if (char_len > 0) { - spit("---- Fragment Shader Error ----"); - spit(logInf); + if (fragProg[0] != 0) { + // -- fragment shader ---------------- + tmpFrag = glCreateShaderObjectARB(GL_FRAGMENT_SHADER_ARB); + glShaderSourceARB(tmpFrag, 1, (const char**)&fragProg, 0); + glCompileShaderARB(tmpFrag); + glGetObjectParameterivARB(tmpFrag, GL_OBJECT_INFO_LOG_LENGTH_ARB, (GLint*)&fraglen); + if (fraglen > 0 && fraglen < MAX_LOG_LEN) { + logInf = (char*)MEM_mallocN(fraglen, "frag-log"); + glGetInfoLogARB(tmpFrag, fraglen, (GLsizei*)&char_len, logInf); + if (char_len > 0) { + spit("---- Fragment Shader Error ----"); + spit(logInf); + } + MEM_freeN(logInf); + logInf = 0; } - MEM_freeN(logInf); - logInf = 0; + glGetObjectParameterivARB(tmpFrag, GL_OBJECT_COMPILE_STATUS_ARB, (GLint*)&fragstatus); + if (!fragstatus) { + spit("---- Fragment shader failed to compile ----"); + goto programError; + } } - - glGetObjectParameterivARB(tmpFrag, GL_OBJECT_COMPILE_STATUS_ARB, (GLint *)&fragstatus); - - if (!fragstatus) { - spit("---- Fragment shader failed to compile ----"); + + if (!tmpFrag && !tmpVert) { + spit("---- No shader given ----"); goto programError; } // -- program ------------------------ // set compiled vert/frag shader & link tmpProg = glCreateProgramObjectARB(); - glAttachObjectARB(tmpProg, tmpVert); - glAttachObjectARB(tmpProg, tmpFrag); + if (tmpVert) { + glAttachObjectARB(tmpProg, tmpVert); + } + if (tmpFrag) { + glAttachObjectARB(tmpProg, tmpFrag); + } glLinkProgramARB(tmpProg); glGetObjectParameterivARB(tmpProg, GL_OBJECT_INFO_LOG_LENGTH_ARB, (GLint *)&proglen); glGetObjectParameterivARB(tmpProg, GL_OBJECT_LINK_STATUS_ARB, (GLint *)&progstatus); @@ -396,8 +412,12 @@ bool BL_Shader::LinkProgram() // set mShader = tmpProg; - glDeleteObjectARB(tmpVert); - glDeleteObjectARB(tmpFrag); + if (tmpVert) { + glDeleteObjectARB(tmpVert); + } + if (tmpFrag) { + glDeleteObjectARB(tmpFrag); + } mOk = 1; mError = 0; return true; @@ -748,6 +768,7 @@ PyMethodDef BL_Shader::Methods[] = { KX_PYMETHODTABLE(BL_Shader, validate), // access functions KX_PYMETHODTABLE(BL_Shader, isValid), + KX_PYMETHODTABLE(BL_Shader, setUniformEyef), KX_PYMETHODTABLE(BL_Shader, setUniform1f), KX_PYMETHODTABLE(BL_Shader, setUniform2f), KX_PYMETHODTABLE(BL_Shader, setUniform3f), @@ -1019,6 +1040,27 @@ KX_PYMETHODDEF_DOC(BL_Shader, setUniform4f, "setUniform4f(name, fx,fy,fz, fw) ") return NULL; } +KX_PYMETHODDEF_DOC(BL_Shader, setUniformEyef, "setUniformEyef(name)") +{ + if (mError) { + Py_RETURN_NONE; + } + const char *uniform; + float value = 0.0f; + if (PyArg_ParseTuple(args, "s:setUniformEyef", &uniform)) { + int loc = GetUniformLocation(uniform); + if (loc != -1) { +#ifdef SORT_UNIFORMS + SetUniformfv(loc, BL_Uniform::UNI_FLOAT_EYE, &value, sizeof(float)); +#else + SetUniform(loc, (int)value); +#endif + } + Py_RETURN_NONE; + } + return NULL; +} + KX_PYMETHODDEF_DOC(BL_Shader, setUniform1i, "setUniform1i(name, ix)") { if (mError) { diff --git a/source/gameengine/Ketsji/BL_Shader.h b/source/gameengine/Ketsji/BL_Shader.h index aef4b42a85a..5de715d67d4 100644 --- a/source/gameengine/Ketsji/BL_Shader.h +++ b/source/gameengine/Ketsji/BL_Shader.h @@ -64,10 +64,11 @@ public: UNI_FLOAT4, UNI_MAT3, UNI_MAT4, + UNI_FLOAT_EYE, UNI_MAX }; - void Apply(class BL_Shader *shader); + bool Apply(class BL_Shader *shader); void SetData(int location, int type, bool transpose = false); int GetLocation() { return mLoc; } void *getData() { return mData; } @@ -226,6 +227,7 @@ public: KX_PYMETHOD_DOC(BL_Shader, setUniform3i); KX_PYMETHOD_DOC(BL_Shader, setUniform2i); KX_PYMETHOD_DOC(BL_Shader, setUniform1i); + KX_PYMETHOD_DOC(BL_Shader, setUniformEyef); KX_PYMETHOD_DOC(BL_Shader, setUniformfv); KX_PYMETHOD_DOC(BL_Shader, setUniformiv); KX_PYMETHOD_DOC(BL_Shader, setUniformMatrix4); |