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Catching up with Lindies part 2

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This commit is contained in:
Siana Gearz
2012-03-25 09:38:36 +02:00
parent 196e9d6c78
commit 3f0f955a76
113 changed files with 801 additions and 516 deletions
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70
indra/llrender/llgl.cpp
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@@ -111,6 +111,8 @@ void APIENTRY gl_debug_callback(GLenum source,
}
#endif
void parse_glsl_version(S32& major, S32& minor);
void ll_init_fail_log(std::string filename)
{
gFailLog.open(filename.c_str());
@@ -309,6 +311,7 @@ PFNGLGETACTIVEUNIFORMARBPROC glGetActiveUniformARB = NULL;
PFNGLGETUNIFORMFVARBPROC glGetUniformfvARB = NULL;
PFNGLGETUNIFORMIVARBPROC glGetUniformivARB = NULL;
PFNGLGETSHADERSOURCEARBPROC glGetShaderSourceARB = NULL;
PFNGLVERTEXATTRIBIPOINTERPROC glVertexAttribIPointer = NULL;
#if LL_WINDOWS
PFNWGLCREATECONTEXTATTRIBSARBPROC wglCreateContextAttribsARB = NULL;
@@ -458,7 +461,8 @@ LLGLManager::LLGLManager() :
mDriverVersionMinor(0),
mDriverVersionRelease(0),
mGLVersion(1.0f),
mGLSLVersionMajor(0),
mGLSLVersionMinor(0),
mVRAM(0),
mGLMaxVertexRange(0),
mGLMaxIndexRange(0)
@@ -569,6 +573,20 @@ bool LLGLManager::initGL()
mGLVersion = mDriverVersionMajor + mDriverVersionMinor * .1f;
if (mGLVersion >= 2.f)
{
parse_glsl_version(mGLSLVersionMajor, mGLSLVersionMinor);
#if LL_DARWIN
//never use GLSL greater than 1.20 on OSX
if (mGLSLVersionMajor > 1 || mGLSLVersionMinor >= 30)
{
mGLSLVersionMajor = 1;
mGLSLVersionMinor = 20;
}
#endif
}
// Trailing space necessary to keep "nVidia Corpor_ati_on" cards
// from being recognized as ATI.
if (mGLVendor.substr(0,4) == "ATI ")
@@ -1292,6 +1310,7 @@ void LLGLManager::initExtensions()
glVertexAttrib4uivARB = (PFNGLVERTEXATTRIB4UIVARBPROC) GLH_EXT_GET_PROC_ADDRESS("glVertexAttrib4uivARB");
glVertexAttrib4usvARB = (PFNGLVERTEXATTRIB4USVARBPROC) GLH_EXT_GET_PROC_ADDRESS("glVertexAttrib4usvARB");
glVertexAttribPointerARB = (PFNGLVERTEXATTRIBPOINTERARBPROC) GLH_EXT_GET_PROC_ADDRESS("glVertexAttribPointerARB");
glVertexAttribIPointer = (PFNGLVERTEXATTRIBIPOINTERPROC) GLH_EXT_GET_PROC_ADDRESS("glVertexAttribIPointer");
glEnableVertexAttribArrayARB = (PFNGLENABLEVERTEXATTRIBARRAYARBPROC) GLH_EXT_GET_PROC_ADDRESS("glEnableVertexAttribArrayARB");
glDisableVertexAttribArrayARB = (PFNGLDISABLEVERTEXATTRIBARRAYARBPROC) GLH_EXT_GET_PROC_ADDRESS("glDisableVertexAttribArrayARB");
glProgramStringARB = (PFNGLPROGRAMSTRINGARBPROC) GLH_EXT_GET_PROC_ADDRESS("glProgramStringARB");
@@ -2082,6 +2101,55 @@ void parse_gl_version( S32* major, S32* minor, S32* release, std::string* vendor
}
}
void parse_glsl_version(S32& major, S32& minor)
{
// GL_SHADING_LANGUAGE_VERSION returns a null-terminated string with the format:
// <major>.<minor>[.<release>] [<vendor specific>]
const char* version = (const char*) glGetString(GL_SHADING_LANGUAGE_VERSION);
major = 0;
minor = 0;
if( !version )
{
return;
}
std::string ver_copy( version );
S32 len = (S32)strlen( version ); /* Flawfinder: ignore */
S32 i = 0;
S32 start;
// Find the major version
start = i;
for( ; i < len; i++ )
{
if( '.' == version[i] )
{
break;
}
}
std::string major_str = ver_copy.substr(start,i-start);
LLStringUtil::convertToS32(major_str, major);
if( '.' == version[i] )
{
i++;
}
// Find the minor version
start = i;
for( ; i < len; i++ )
{
if( ('.' == version[i]) || isspace(version[i]) )
{
break;
}
}
std::string minor_str = ver_copy.substr(start,i-start);
LLStringUtil::convertToS32(minor_str, minor);
}
LLGLUserClipPlane::LLGLUserClipPlane(const LLPlane& p, const glh::matrix4f& modelview, const glh::matrix4f& projection, bool apply)
{
mApply = apply;

2
indra/llrender/llgl.h
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@@ -145,6 +145,8 @@ public:
S32 mDriverVersionMinor;
S32 mDriverVersionRelease;
F32 mGLVersion; // e.g = 1.4
S32 mGLSLVersionMajor;
S32 mGLSLVersionMinor;
std::string mDriverVersionVendorString;
S32 mVRAM; // VRAM in MB

3
indra/llrender/llglheaders.h
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@@ -207,6 +207,7 @@ extern PFNGLVERTEXATTRIB4UBVARBPROC glVertexAttrib4ubvARB;
extern PFNGLVERTEXATTRIB4UIVARBPROC glVertexAttrib4uivARB;
extern PFNGLVERTEXATTRIB4USVARBPROC glVertexAttrib4usvARB;
extern PFNGLVERTEXATTRIBPOINTERARBPROC glVertexAttribPointerARB;
extern PFNGLVERTEXATTRIBIPOINTERPROC glVertexAttribIPointer;
extern PFNGLENABLEVERTEXATTRIBARRAYARBPROC glEnableVertexAttribArrayARB;
extern PFNGLDISABLEVERTEXATTRIBARRAYARBPROC glDisableVertexAttribArrayARB;
extern PFNGLPROGRAMSTRINGARBPROC glProgramStringARB;
@@ -466,6 +467,7 @@ extern PFNGLVERTEXATTRIB4UBVARBPROC glVertexAttrib4ubvARB;
extern PFNGLVERTEXATTRIB4UIVARBPROC glVertexAttrib4uivARB;
extern PFNGLVERTEXATTRIB4USVARBPROC glVertexAttrib4usvARB;
extern PFNGLVERTEXATTRIBPOINTERARBPROC glVertexAttribPointerARB;
extern PFNGLVERTEXATTRIBIPOINTERPROC glVertexAttribIPointer;
extern PFNGLENABLEVERTEXATTRIBARRAYARBPROC glEnableVertexAttribArrayARB;
extern PFNGLDISABLEVERTEXATTRIBARRAYARBPROC glDisableVertexAttribArrayARB;
extern PFNGLPROGRAMSTRINGARBPROC glProgramStringARB;
@@ -699,6 +701,7 @@ extern PFNGLVERTEXATTRIB4UBVARBPROC glVertexAttrib4ubvARB;
extern PFNGLVERTEXATTRIB4UIVARBPROC glVertexAttrib4uivARB;
extern PFNGLVERTEXATTRIB4USVARBPROC glVertexAttrib4usvARB;
extern PFNGLVERTEXATTRIBPOINTERARBPROC glVertexAttribPointerARB;
extern PFNGLVERTEXATTRIBIPOINTERPROC glVertexAttribIPointer;
extern PFNGLENABLEVERTEXATTRIBARRAYARBPROC glEnableVertexAttribArrayARB;
extern PFNGLDISABLEVERTEXATTRIBARRAYARBPROC glDisableVertexAttribArrayARB;
extern PFNGLPROGRAMSTRINGARBPROC glProgramStringARB;

11
indra/llrender/llglslshader.cpp
View File

@@ -149,12 +149,6 @@ BOOL LLGLSLShader::createShader(vector<string> * attributes,
glDeleteObjectARB(mProgramObject);
// Create program
mProgramObject = glCreateProgramObjectARB();
static const LLCachedControl<bool> no_texture_indexing("ShyotlUseLegacyTextureBatching",false);
if (gGLManager.mGLVersion < 3.1f || no_texture_indexing)
{ //force indexed texture channels to 1 if GL version is old (performance improvement for drivers with poor branching shader model support)
mFeatures.mIndexedTextureChannels = llmin(mFeatures.mIndexedTextureChannels, 1);
}
//compile new source
vector< pair<string,GLenum> >::iterator fileIter = mShaderFiles.begin();
@@ -181,8 +175,9 @@ BOOL LLGLSLShader::createShader(vector<string> * attributes,
return FALSE;
}
if (gGLManager.mGLVersion < 3.1f || no_texture_indexing)
{ //attachShaderFeatures may have set the number of indexed texture channels, so set to 1 again
static const LLCachedControl<bool> no_texture_indexing("ShyotlUseLegacyTextureBatching",false);
if (gGLManager.mGLVersion < 3.1f || no_texture_indexing)
{ //attachShaderFeatures may have set the number of indexed texture channels, so set to 1 again
mFeatures.mIndexedTextureChannels = llmin(mFeatures.mIndexedTextureChannels, 1);
}

89
indra/llrender/llshadermgr.cpp
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@@ -578,34 +578,45 @@ GLhandleARB LLShaderMgr::loadShaderFile(const std::string& filename, S32 & shade
GLcharARB* text[4096];
GLuint count = 0;
F32 version = gGLManager.mGLVersion;
//hack to never use GLSL > 1.20 on OSX
#if LL_DARWIN
version = llmin(version, 2.9f);
#endif
if (version < 2.1f)
S32 major_version = gGLManager.mGLSLVersionMajor;
S32 minor_version = gGLManager.mGLSLVersionMinor;
if (major_version == 1 && minor_version < 30)
{
text[count++] = strdup("#version 110\n");
text[count++] = strdup("#define ATTRIBUTE attribute\n");
text[count++] = strdup("#define VARYING varying\n");
}
else if (version < 3.3f)
{
//set version to 1.20
text[count++] = strdup("#version 120\n");
text[count++] = strdup("#define FXAA_GLSL_120 1\n");
text[count++] = strdup("#define FXAA_FAST_PIXEL_OFFSET 0\n");
text[count++] = strdup("#define ATTRIBUTE attribute\n");
text[count++] = strdup("#define VARYING varying\n");
if (minor_version < 10)
{
//should NEVER get here -- if major version is 1 and minor version is less than 10,
// viewer should never attempt to use shaders, continuing will result in undefined behavior
llerrs << "Unsupported GLSL Version." << llendl;
}
if (minor_version <= 19)
{
text[count++] = strdup("#version 110\n");
text[count++] = strdup("#define ATTRIBUTE attribute\n");
text[count++] = strdup("#define VARYING varying\n");
text[count++] = strdup("#define VARYING_FLAT varying\n");
}
else if (minor_version <= 29)
{
//set version to 1.20
text[count++] = strdup("#version 120\n");
text[count++] = strdup("#define FXAA_GLSL_120 1\n");
text[count++] = strdup("#define FXAA_FAST_PIXEL_OFFSET 0\n");
text[count++] = strdup("#define ATTRIBUTE attribute\n");
text[count++] = strdup("#define VARYING varying\n");
text[count++] = strdup("#define VARYING_FLAT varying\n");
}
}
else
{
if (version < 4.f)
if (major_version < 4)
{
//set version to 1.30
text[count++] = strdup("#version 130\n");
//some implementations of GLSL 1.30 require integer precision be explicitly declared
text[count++] = strdup("precision mediump int;\n");
}
else
{ //set version to 400
@@ -621,13 +632,17 @@ GLhandleARB LLShaderMgr::loadShaderFile(const std::string& filename, S32 & shade
{ //"varying" state is "out" in a vertex program, "in" in a fragment program
// ("varying" is deprecated after version 1.20)
text[count++] = strdup("#define VARYING out\n");
text[count++] = strdup("#define VARYING_FLAT flat out\n");
}
else
{
text[count++] = strdup("#define VARYING in\n");
text[count++] = strdup("#define VARYING_FLAT flat in\n");
}
//backwards compatibility with legacy texture lookup syntax
text[count++] = strdup("#define texture2D texture\n");
text[count++] = strdup("#define texture2DRect texture\n");
text[count++] = strdup("#define textureCube texture\n");
text[count++] = strdup("#define texture2DLod textureLod\n");
text[count++] = strdup("#define shadow2D(a,b) vec2(texture(a,b))\n"); //Shadow lookups only return a single float.
@@ -659,11 +674,11 @@ GLhandleARB LLShaderMgr::loadShaderFile(const std::string& filename, S32 & shade
.
uniform sampler2D texN;
varying float vary_texture_index;
VARYING_FLAT ivec4 vary_texture_index;
vec4 diffuseLookup(vec2 texcoord)
{
switch (int(vary_texture_index+0.25))
switch (vary_texture_index.r))
{
case 0: return texture2D(tex0, texcoord);
case 1: return texture2D(tex1, texcoord);
@@ -687,7 +702,7 @@ GLhandleARB LLShaderMgr::loadShaderFile(const std::string& filename, S32 & shade
if (texture_index_channels > 1)
{
text[count++] = strdup("VARYING float vary_texture_index;\n");
text[count++] = strdup("VARYING_FLAT ivec4 vary_texture_index;\n");
}
text[count++] = strdup("vec4 diffuseLookup(vec2 texcoord)\n");
@@ -716,28 +731,10 @@ GLhandleARB LLShaderMgr::loadShaderFile(const std::string& filename, S32 & shade
text[count++] = strdup("}\n");
}
else
{
//switches aren't supported, make block that looks like:
/*
int ti = int(vary_texture_index+0.25);
if (ti == 0) return texture2D(tex0, texcoord);
if (ti == 1) return texture2D(tex1, texcoord);
.
.
.
if (ti == N) return texture2D(texN, texcoord);
*/
text[count++] = strdup("int ti = int(vary_texture_index+0.25);\n");
for (S32 i = 0; i < texture_index_channels; ++i)
{
std::string if_str = llformat("if (ti == %d) return texture2D(tex%d, texcoord);\n", i, i);
text[count++] = strdup(if_str.c_str());
}
text[count++] = strdup("\treturn vec4(1,0,1,1);\n");
text[count++] = strdup("}\n");
}
{ //should never get here. Indexed texture rendering requires GLSL 1.30 or later
// (for passing integers between vertex and fragment shaders)
llerrs << "Indexed texture rendering requires GLSL 1.30 or later." << llendl;
}
}
//copy file into memory

50
indra/llrender/llvertexbuffer.cpp
View File

@@ -285,6 +285,12 @@ void LLVertexBuffer::setupClientArrays(U32 data_mask)
{
bool error = false;
if (gGLManager.mGLSLVersionMajor < 2 && gGLManager.mGLSLVersionMinor < 30)
{
//make sure texture index is disabled
data_mask = data_mask & ~MAP_TEXTURE_INDEX;
}
if (LLGLSLShader::sNoFixedFunction)
{
for (U32 i = 0; i < TYPE_MAX; ++i)
@@ -1178,7 +1184,7 @@ void LLVertexBuffer::setupVertexArray()
1, //TYPE_WEIGHT,
4, //TYPE_WEIGHT4,
4, //TYPE_CLOTHWEIGHT,
1, //TYPE_TEXTURE_INDEX
4, //TYPE_TEXTURE_INDEX
};
U32 attrib_type[] =
@@ -1195,7 +1201,24 @@ void LLVertexBuffer::setupVertexArray()
GL_FLOAT, //TYPE_WEIGHT,
GL_FLOAT, //TYPE_WEIGHT4,
GL_FLOAT, //TYPE_CLOTHWEIGHT,
GL_FLOAT, //TYPE_TEXTURE_INDEX
GL_UNSIGNED_BYTE, //TYPE_TEXTURE_INDEX
};
bool attrib_integer[] =
{
false, //TYPE_VERTEX,
false, //TYPE_NORMAL,
false, //TYPE_TEXCOORD0,
false, //TYPE_TEXCOORD1,
false, //TYPE_TEXCOORD2,
false, //TYPE_TEXCOORD3,
false, //TYPE_COLOR,
false, //TYPE_EMISSIVE,
false, //TYPE_BINORMAL,
false, //TYPE_WEIGHT,
false, //TYPE_WEIGHT4,
false, //TYPE_CLOTHWEIGHT,
true, //TYPE_TEXTURE_INDEX
};
U32 attrib_normalized[] =
@@ -1223,7 +1246,21 @@ void LLVertexBuffer::setupVertexArray()
if (mTypeMask & (1 << i))
{
glEnableVertexAttribArrayARB(i);
glVertexAttribPointerARB(i, attrib_size[i], attrib_type[i], attrib_normalized[i], sTypeSize[i], (void*) mOffsets[i]);
if (attrib_integer)
{
#if !LL_DARWIN
//glVertexattribIPointer requires GLSL 1.30 or later
if (gGLManager.mGLSLVersionMajor > 1 || gGLManager.mGLSLVersionMinor >= 30)
{
glVertexAttribIPointer(i, attrib_size[i], attrib_type[i], sTypeSize[i], (void*) mOffsets[i]);
}
#endif
}
else
{
glVertexAttribPointerARB(i, attrib_size[i], attrib_type[i], attrib_normalized[i], sTypeSize[i], (void*) mOffsets[i]);
}
}
else
{
@@ -2204,11 +2241,14 @@ void LLVertexBuffer::setupVertexBuffer(U32 data_mask)
void* ptr = (void*)(base + mOffsets[TYPE_CLOTHWEIGHT]);
glVertexAttribPointerARB(loc, 4, GL_FLOAT, GL_TRUE, LLVertexBuffer::sTypeSize[TYPE_CLOTHWEIGHT], ptr);
}
if (data_mask & MAP_TEXTURE_INDEX)
if (data_mask & MAP_TEXTURE_INDEX &&
(gGLManager.mGLSLVersionMajor >= 2 || gGLManager.mGLSLVersionMinor >= 30)) //indexed texture rendering requires GLSL 1.30 or later
{
#if !LL_DARWIN
S32 loc = TYPE_TEXTURE_INDEX;
void *ptr = (void*) (base + mOffsets[TYPE_VERTEX] + 12);
glVertexAttribPointerARB(loc, 1, GL_FLOAT, GL_FALSE, LLVertexBuffer::sTypeSize[TYPE_VERTEX], ptr);
glVertexAttribIPointer(loc, 4, GL_UNSIGNED_BYTE, LLVertexBuffer::sTypeSize[TYPE_VERTEX], ptr);
#endif
}
if (data_mask & MAP_VERTEX)
{