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-rw-r--r--indra/llrender/llgl.cpp70
-rw-r--r--indra/llrender/llgl.h2
-rw-r--r--indra/llrender/llglheaders.h3
-rw-r--r--indra/llrender/llglslshader.cpp12
-rw-r--r--indra/llrender/llshadermgr.cpp120
-rw-r--r--indra/llrender/llshadermgr.h2
-rw-r--r--indra/llrender/llvertexbuffer.cpp50
7 files changed, 194 insertions, 65 deletions
diff --git a/indra/llrender/llgl.cpp b/indra/llrender/llgl.cpp
index 946e602fee..197bc2b422 100644
--- a/indra/llrender/llgl.cpp
+++ b/indra/llrender/llgl.cpp
@@ -97,6 +97,8 @@ 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());
@@ -295,6 +297,7 @@ PFNGLGETACTIVEUNIFORMARBPROC glGetActiveUniformARB = NULL;
PFNGLGETUNIFORMFVARBPROC glGetUniformfvARB = NULL;
PFNGLGETUNIFORMIVARBPROC glGetUniformivARB = NULL;
PFNGLGETSHADERSOURCEARBPROC glGetShaderSourceARB = NULL;
+PFNGLVERTEXATTRIBIPOINTERPROC glVertexAttribIPointer = NULL;
#if LL_WINDOWS
PFNWGLCREATECONTEXTATTRIBSARBPROC wglCreateContextAttribsARB = NULL;
@@ -443,7 +446,8 @@ LLGLManager::LLGLManager() :
mDriverVersionMinor(0),
mDriverVersionRelease(0),
mGLVersion(1.0f),
-
+ mGLSLVersionMajor(0),
+ mGLSLVersionMinor(0),
mVRAM(0),
mGLMaxVertexRange(0),
mGLMaxIndexRange(0)
@@ -554,6 +558,20 @@ 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 ")
@@ -1300,6 +1318,7 @@ 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");
@@ -2098,6 +2117,55 @@ 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;
diff --git a/indra/llrender/llgl.h b/indra/llrender/llgl.h
index 6a147b8e19..5a33c98708 100644
--- a/indra/llrender/llgl.h
+++ b/indra/llrender/llgl.h
@@ -138,6 +138,8 @@ public:
S32 mDriverVersionMinor;
S32 mDriverVersionRelease;
F32 mGLVersion; // e.g = 1.4
+ S32 mGLSLVersionMajor;
+ S32 mGLSLVersionMinor;
std::string mDriverVersionVendorString;
S32 mVRAM; // VRAM in MB
diff --git a/indra/llrender/llglheaders.h b/indra/llrender/llglheaders.h
index 10aad202e1..d61ec707f0 100644
--- a/indra/llrender/llglheaders.h
+++ b/indra/llrender/llglheaders.h
@@ -199,6 +199,7 @@ extern PFNGLVERTEXATTRIB4UBVARBPROC glVertexAttrib4ubvARB;
extern PFNGLVERTEXATTRIB4UIVARBPROC glVertexAttrib4uivARB;
extern PFNGLVERTEXATTRIB4USVARBPROC glVertexAttrib4usvARB;
extern PFNGLVERTEXATTRIBPOINTERARBPROC glVertexAttribPointerARB;
+extern PFNGLVERTEXATTRIBIPOINTERPROC glVertexAttribIPointer;
extern PFNGLENABLEVERTEXATTRIBARRAYARBPROC glEnableVertexAttribArrayARB;
extern PFNGLDISABLEVERTEXATTRIBARRAYARBPROC glDisableVertexAttribArrayARB;
extern PFNGLPROGRAMSTRINGARBPROC glProgramStringARB;
@@ -460,6 +461,7 @@ extern PFNGLVERTEXATTRIB4UBVARBPROC glVertexAttrib4ubvARB;
extern PFNGLVERTEXATTRIB4UIVARBPROC glVertexAttrib4uivARB;
extern PFNGLVERTEXATTRIB4USVARBPROC glVertexAttrib4usvARB;
extern PFNGLVERTEXATTRIBPOINTERARBPROC glVertexAttribPointerARB;
+extern PFNGLVERTEXATTRIBIPOINTERPROC glVertexAttribIPointer;
extern PFNGLENABLEVERTEXATTRIBARRAYARBPROC glEnableVertexAttribArrayARB;
extern PFNGLDISABLEVERTEXATTRIBARRAYARBPROC glDisableVertexAttribArrayARB;
extern PFNGLPROGRAMSTRINGARBPROC glProgramStringARB;
@@ -693,6 +695,7 @@ extern PFNGLVERTEXATTRIB4UBVARBPROC glVertexAttrib4ubvARB;
extern PFNGLVERTEXATTRIB4UIVARBPROC glVertexAttrib4uivARB;
extern PFNGLVERTEXATTRIB4USVARBPROC glVertexAttrib4usvARB;
extern PFNGLVERTEXATTRIBPOINTERARBPROC glVertexAttribPointerARB;
+extern PFNGLVERTEXATTRIBIPOINTERPROC glVertexAttribIPointer;
extern PFNGLENABLEVERTEXATTRIBARRAYARBPROC glEnableVertexAttribArrayARB;
extern PFNGLDISABLEVERTEXATTRIBARRAYARBPROC glDisableVertexAttribArrayARB;
extern PFNGLPROGRAMSTRINGARBPROC glProgramStringARB;
diff --git a/indra/llrender/llglslshader.cpp b/indra/llrender/llglslshader.cpp
index 3773568ad8..4b7e639aed 100644
--- a/indra/llrender/llglslshader.cpp
+++ b/indra/llrender/llglslshader.cpp
@@ -109,7 +109,12 @@ void LLGLSLShader::unload()
glGetAttachedObjectsARB(mProgramObject, 1024, &count, obj);
for (GLsizei i = 0; i < count; i++)
{
- glDeleteObjectARB(obj[i]);
+#if !LL_DARWIN
+ if (glIsProgramARB(obj[i]))
+#endif
+ {
+ glDeleteObjectARB(obj[i]);
+ }
}
glDeleteObjectARB(mProgramObject);
@@ -161,8 +166,9 @@ BOOL LLGLSLShader::createShader(vector<string> * attributes,
return FALSE;
}
- if (gGLManager.mGLVersion < 3.1f)
- { //attachShaderFeatures may have set the number of indexed texture channels, so set to 1 again
+ if (gGLManager.mGLSLVersionMajor < 2 && gGLManager.mGLSLVersionMinor < 3)
+ { //indexed texture rendering requires GLSL 1.3 or later
+ //attachShaderFeatures may have set the number of indexed texture channels, so set to 1 again
mFeatures.mIndexedTextureChannels = llmin(mFeatures.mIndexedTextureChannels, 1);
}
diff --git a/indra/llrender/llshadermgr.cpp b/indra/llrender/llshadermgr.cpp
index 908443e8cf..7d384450e6 100644
--- a/indra/llrender/llshadermgr.cpp
+++ b/indra/llrender/llshadermgr.cpp
@@ -575,34 +575,46 @@ 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)
- {
- 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)
+ S32 major_version = gGLManager.mGLSLVersionMajor;
+ S32 minor_version = gGLManager.mGLSLVersionMinor;
+
+ if (major_version == 1 && minor_version < 30)
{
- //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");
+ text[count++] = strdup("precision highp float;\n");
}
else
{ //set version to 400
@@ -618,16 +630,25 @@ 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 textureCube texture\n");
text[count++] = strdup("#define texture2DLod textureLod\n");
text[count++] = strdup("#define shadow2D(a,b) vec2(texture(a,b))\n");
+
+ if (major_version > 1 || minor_version >= 40)
+ { //GLSL 1.40 replaces texture2DRect et al with texture
+ text[count++] = strdup("#define texture2DRect texture\n");
+ text[count++] = strdup("#define shadow2DRect(a,b) vec2(texture(a,b))\n");
+ }
}
//copy preprocessor definitions into buffer
@@ -651,22 +672,24 @@ GLhandleARB LLShaderMgr::loadShaderFile(const std::string& filename, S32 & shade
.
uniform sampler2D texN;
- VARYING float vary_texture_index;
+ VARYING_FLAT ivec4 vary_texture_index;
+
+ vec4 ret = vec4(1,0,1,1);
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);
- case 2: return texture2D(tex2, texcoord);
+ case 0: ret = texture2D(tex0, texcoord); break;
+ case 1: ret = texture2D(tex1, texcoord); break;
+ case 2: ret = texture2D(tex2, texcoord); break;
.
.
.
- case N: return texture2D(texN, texcoord);
+ case N: return texture2D(texN, texcoord); break;
}
- return vec4(0,0,0,0);
+ return ret;
}
*/
@@ -679,7 +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");
@@ -691,45 +714,28 @@ GLhandleARB LLShaderMgr::loadShaderFile(const std::string& filename, S32 & shade
text[count++] = strdup("return texture2D(tex0, texcoord);\n");
text[count++] = strdup("}\n");
}
- else if (gGLManager.mGLVersion >= 3.f)
- {
- text[count++] = strdup("\tswitch (int(vary_texture_index+0.25))\n");
+ else if (major_version > 1 || minor_version >= 30)
+ { //switches are supported in GLSL 1.30 and later
+ text[count++] = strdup("\tvec4 ret = vec4(1,0,1,1);\n");
+ text[count++] = strdup("\tswitch (vary_texture_index.r)\n");
text[count++] = strdup("\t{\n");
//switch body
for (S32 i = 0; i < texture_index_channels; ++i)
{
- std::string case_str = llformat("\t\tcase %d: return texture2D(tex%d, texcoord);\n", i, i);
+ std::string case_str = llformat("\t\tcase %d: ret = texture2D(tex%d, texcoord); break;\n", i, i);
text[count++] = strdup(case_str.c_str());
}
text[count++] = strdup("\t}\n");
- text[count++] = strdup("\treturn vec4(1,0,1,1);\n");
+ text[count++] = strdup("\treturn ret;\n");
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
@@ -1070,6 +1076,8 @@ void LLShaderMgr::initAttribsAndUniforms()
mReservedUniforms.push_back("magnification");
mReservedUniforms.push_back("max_cof");
mReservedUniforms.push_back("res_scale");
+ mReservedUniforms.push_back("dof_width");
+ mReservedUniforms.push_back("dof_height");
mReservedUniforms.push_back("depthMap");
mReservedUniforms.push_back("shadowMap0");
diff --git a/indra/llrender/llshadermgr.h b/indra/llrender/llshadermgr.h
index 950e6c9c2f..e28bda6de2 100644
--- a/indra/llrender/llshadermgr.h
+++ b/indra/llrender/llshadermgr.h
@@ -142,6 +142,8 @@ public:
DOF_MAGNIFICATION,
DOF_MAX_COF,
DOF_RES_SCALE,
+ DOF_WIDTH,
+ DOF_HEIGHT,
DEFERRED_DEPTH,
DEFERRED_SHADOW0,
diff --git a/indra/llrender/llvertexbuffer.cpp b/indra/llrender/llvertexbuffer.cpp
index e4a5cd0299..8b5503229f 100644
--- a/indra/llrender/llvertexbuffer.cpp
+++ b/indra/llrender/llvertexbuffer.cpp
@@ -284,6 +284,12 @@ 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)
@@ -1193,7 +1199,7 @@ void LLVertexBuffer::setupVertexArray()
1, //TYPE_WEIGHT,
4, //TYPE_WEIGHT4,
4, //TYPE_CLOTHWEIGHT,
- 1, //TYPE_TEXTURE_INDEX
+ 4, //TYPE_TEXTURE_INDEX
};
U32 attrib_type[] =
@@ -1210,7 +1216,24 @@ 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[] =
@@ -1238,7 +1261,21 @@ 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[i])
+ {
+#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
{
@@ -2220,11 +2257,14 @@ 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)
{
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-13 16:01:53 +0000