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-rw-r--r--indra/llrender/llgl.cpp180
1 files changed, 138 insertions, 42 deletions
diff --git a/indra/llrender/llgl.cpp b/indra/llrender/llgl.cpp
index f29ee0e57e..c224ab0e9b 100644
--- a/indra/llrender/llgl.cpp
+++ b/indra/llrender/llgl.cpp
@@ -127,6 +127,11 @@ PFNGLUNMAPBUFFERARBPROC glUnmapBufferARB = NULL;
PFNGLGETBUFFERPARAMETERIVARBPROC glGetBufferParameterivARB = NULL;
PFNGLGETBUFFERPOINTERVARBPROC glGetBufferPointervARB = NULL;
+// GL_ARB_map_buffer_range
+PFNGLMAPBUFFERRANGEPROC glMapBufferRange;
+PFNGLFLUSHMAPPEDBUFFERRANGEPROC glFlushMappedBufferRange;
+
+
// vertex object prototypes
PFNGLNEWOBJECTBUFFERATIPROC glNewObjectBufferATI = NULL;
PFNGLISOBJECTBUFFERATIPROC glIsObjectBufferATI = NULL;
@@ -178,6 +183,12 @@ PFNGLBLITFRAMEBUFFERPROC glBlitFramebuffer = NULL;
PFNGLRENDERBUFFERSTORAGEMULTISAMPLEPROC glRenderbufferStorageMultisample = NULL;
PFNGLFRAMEBUFFERTEXTURELAYERPROC glFramebufferTextureLayer = NULL;
+//GL_ARB_texture_multisample
+PFNGLTEXIMAGE2DMULTISAMPLEPROC glTexImage2DMultisample;
+PFNGLTEXIMAGE3DMULTISAMPLEPROC glTexImage3DMultisample;
+PFNGLGETMULTISAMPLEFVPROC glGetMultisamplefv;
+PFNGLSAMPLEMASKIPROC glSampleMaski;
+
// GL_EXT_blend_func_separate
PFNGLBLENDFUNCSEPARATEEXTPROC glBlendFuncSeparateEXT = NULL;
@@ -321,18 +332,26 @@ LLGLManager::LLGLManager() :
mHasMipMapGeneration(FALSE),
mHasCompressedTextures(FALSE),
mHasFramebufferObject(FALSE),
+ mMaxSamples(0),
mHasBlendFuncSeparate(FALSE),
mHasVertexBufferObject(FALSE),
+ mHasMapBufferRange(FALSE),
mHasPBuffer(FALSE),
mHasShaderObjects(FALSE),
mHasVertexShader(FALSE),
mHasFragmentShader(FALSE),
+ mNumTextureImageUnits(0),
mHasOcclusionQuery(FALSE),
mHasOcclusionQuery2(FALSE),
mHasPointParameters(FALSE),
mHasDrawBuffers(FALSE),
mHasTextureRectangle(FALSE),
+ mHasTextureMultisample(FALSE),
+ mMaxSampleMaskWords(0),
+ mMaxColorTextureSamples(0),
+ mMaxDepthTextureSamples(0),
+ mMaxIntegerSamples(0),
mHasAnisotropic(FALSE),
mHasARBEnvCombine(FALSE),
@@ -534,6 +553,33 @@ bool LLGLManager::initGL()
return false;
}
+ if (mHasFragmentShader)
+ {
+ GLint num_tex_image_units;
+ glGetIntegerv(GL_MAX_TEXTURE_IMAGE_UNITS_ARB, &num_tex_image_units);
+ mNumTextureImageUnits = llmin(num_tex_image_units, 32);
+ }
+
+ if (mHasTextureMultisample)
+ {
+ glGetIntegerv(GL_MAX_COLOR_TEXTURE_SAMPLES, &mMaxColorTextureSamples);
+ glGetIntegerv(GL_MAX_DEPTH_TEXTURE_SAMPLES, &mMaxDepthTextureSamples);
+ glGetIntegerv(GL_MAX_INTEGER_SAMPLES, &mMaxIntegerSamples);
+ glGetIntegerv(GL_MAX_SAMPLE_MASK_WORDS, &mMaxSampleMaskWords);
+ }
+
+#if LL_WINDOWS
+ if (mIsATI)
+ { //using multisample textures on ATI results in black screen for some reason
+ mHasTextureMultisample = FALSE;
+ }
+#endif
+
+ if (mHasFramebufferObject)
+ {
+ glGetIntegerv(GL_MAX_SAMPLES, &mMaxSamples);
+ }
+
setToDebugGPU();
initGLStates();
@@ -640,6 +686,14 @@ std::string LLGLManager::getRawGLString()
return gl_string;
}
+U32 LLGLManager::getNumFBOFSAASamples(U32 samples)
+{
+ samples = llmin(samples, (U32) mMaxColorTextureSamples);
+ samples = llmin(samples, (U32) mMaxDepthTextureSamples);
+ samples = llmin(samples, (U32) 4);
+ return samples;
+}
+
void LLGLManager::shutdownGL()
{
if (mInited)
@@ -720,6 +774,7 @@ void LLGLManager::initExtensions()
mHasOcclusionQuery = ExtensionExists("GL_ARB_occlusion_query", gGLHExts.mSysExts);
mHasOcclusionQuery2 = ExtensionExists("GL_ARB_occlusion_query2", gGLHExts.mSysExts);
mHasVertexBufferObject = ExtensionExists("GL_ARB_vertex_buffer_object", gGLHExts.mSysExts);
+ mHasMapBufferRange = ExtensionExists("GL_ARB_map_buffer_range", gGLHExts.mSysExts);
mHasDepthClamp = ExtensionExists("GL_ARB_depth_clamp", gGLHExts.mSysExts) || ExtensionExists("GL_NV_depth_clamp", gGLHExts.mSysExts);
// mask out FBO support when packed_depth_stencil isn't there 'cause we need it for LLRenderTarget -Brad
#ifdef GL_ARB_framebuffer_object
@@ -734,6 +789,7 @@ void LLGLManager::initExtensions()
mHasDrawBuffers = ExtensionExists("GL_ARB_draw_buffers", gGLHExts.mSysExts);
mHasBlendFuncSeparate = ExtensionExists("GL_EXT_blend_func_separate", gGLHExts.mSysExts);
mHasTextureRectangle = ExtensionExists("GL_ARB_texture_rectangle", gGLHExts.mSysExts);
+ mHasTextureMultisample = ExtensionExists("GL_ARB_texture_multisample", gGLHExts.mSysExts);
#if !LL_DARWIN
mHasPointParameters = !mIsATI && ExtensionExists("GL_ARB_point_parameters", gGLHExts.mSysExts);
#endif
@@ -878,11 +934,13 @@ void LLGLManager::initExtensions()
LL_INFOS("RenderInit") << "Disabling mip-map generation for Intel GPUs" << LL_ENDL;
mHasMipMapGeneration = FALSE;
}
+#if !LL_DARWIN
if (mIsATI && mHasMipMapGeneration)
{
LL_INFOS("RenderInit") << "Disabling mip-map generation for ATI GPUs (performance opt)" << LL_ENDL;
mHasMipMapGeneration = FALSE;
}
+#endif
// Misc
glGetIntegerv(GL_MAX_ELEMENTS_VERTICES, (GLint*) &mGLMaxVertexRange);
@@ -911,6 +969,11 @@ void LLGLManager::initExtensions()
mHasVertexBufferObject = FALSE;
}
}
+ if (mHasMapBufferRange)
+ {
+ glMapBufferRange = (PFNGLMAPBUFFERRANGEPROC) GLH_EXT_GET_PROC_ADDRESS("glMapBufferRange");
+ glFlushMappedBufferRange = (PFNGLFLUSHMAPPEDBUFFERRANGEPROC) GLH_EXT_GET_PROC_ADDRESS("glFlushMappedBufferRange");
+ }
if (mHasFramebufferObject)
{
llinfos << "initExtensions() FramebufferObject-related procs..." << llendl;
@@ -943,6 +1006,13 @@ void LLGLManager::initExtensions()
{
glBlendFuncSeparateEXT = (PFNGLBLENDFUNCSEPARATEEXTPROC) GLH_EXT_GET_PROC_ADDRESS("glBlendFuncSeparateEXT");
}
+ if (mHasTextureMultisample)
+ {
+ glTexImage2DMultisample = (PFNGLTEXIMAGE2DMULTISAMPLEPROC) GLH_EXT_GET_PROC_ADDRESS("glTexImage2DMultisample");
+ glTexImage3DMultisample = (PFNGLTEXIMAGE3DMULTISAMPLEPROC) GLH_EXT_GET_PROC_ADDRESS("glTexImage3DMultisample");
+ glGetMultisamplefv = (PFNGLGETMULTISAMPLEFVPROC) GLH_EXT_GET_PROC_ADDRESS("glGetMultisamplefv");
+ glSampleMaski = (PFNGLSAMPLEMASKIPROC) GLH_EXT_GET_PROC_ADDRESS("glSampleMaski");
+ }
#if (!LL_LINUX && !LL_SOLARIS) || LL_LINUX_NV_GL_HEADERS
// This is expected to be a static symbol on Linux GL implementations, except if we use the nvidia headers - bah
glDrawRangeElements = (PFNGLDRAWRANGEELEMENTSPROC)GLH_EXT_GET_PROC_ADDRESS("glDrawRangeElements");
@@ -1360,10 +1430,6 @@ void LLGLState::checkTextureChannels(const std::string& msg)
}
}
- GLint maxTextureUnits = 0;
- glGetIntegerv(GL_MAX_TEXTURE_UNITS_ARB, &maxTextureUnits);
- stop_glerror();
-
static const char* label[] =
{
"GL_TEXTURE_2D",
@@ -1374,7 +1440,8 @@ void LLGLState::checkTextureChannels(const std::string& msg)
"GL_TEXTURE_GEN_T",
"GL_TEXTURE_GEN_Q",
"GL_TEXTURE_GEN_R",
- "GL_TEXTURE_RECTANGLE_ARB"
+ "GL_TEXTURE_RECTANGLE_ARB",
+ "GL_TEXTURE_2D_MULTISAMPLE"
};
static GLint value[] =
@@ -1387,7 +1454,8 @@ void LLGLState::checkTextureChannels(const std::string& msg)
GL_TEXTURE_GEN_T,
GL_TEXTURE_GEN_Q,
GL_TEXTURE_GEN_R,
- GL_TEXTURE_RECTANGLE_ARB
+ GL_TEXTURE_RECTANGLE_ARB,
+ GL_TEXTURE_2D_MULTISAMPLE
};
GLint stackDepth = 0;
@@ -1396,68 +1464,96 @@ void LLGLState::checkTextureChannels(const std::string& msg)
glh::matrix4f identity;
identity.identity();
- for (GLint i = 1; i < maxTextureUnits; i++)
+ for (GLint i = 1; i < gGLManager.mNumTextureUnits; i++)
{
gGL.getTexUnit(i)->activate();
- glClientActiveTextureARB(GL_TEXTURE0_ARB+i);
- stop_glerror();
- glGetIntegerv(GL_TEXTURE_STACK_DEPTH, &stackDepth);
- stop_glerror();
- if (stackDepth != 1)
+ if (i < gGLManager.mNumTextureUnits)
{
- error = TRUE;
- LL_WARNS("RenderState") << "Texture matrix stack corrupted." << LL_ENDL;
+ glClientActiveTextureARB(GL_TEXTURE0_ARB+i);
+ stop_glerror();
+ glGetIntegerv(GL_TEXTURE_STACK_DEPTH, &stackDepth);
+ stop_glerror();
- if (gDebugSession)
+ if (stackDepth != 1)
{
- gFailLog << "Texture matrix stack corrupted." << std::endl;
+ error = TRUE;
+ LL_WARNS("RenderState") << "Texture matrix stack corrupted." << LL_ENDL;
+
+ if (gDebugSession)
+ {
+ gFailLog << "Texture matrix stack corrupted." << std::endl;
+ }
}
- }
- glGetFloatv(GL_TEXTURE_MATRIX, (GLfloat*) mat.m);
- stop_glerror();
+ glGetFloatv(GL_TEXTURE_MATRIX, (GLfloat*) mat.m);
+ stop_glerror();
- if (mat != identity)
- {
- error = TRUE;
- LL_WARNS("RenderState") << "Texture matrix in channel " << i << " corrupt." << LL_ENDL;
- if (gDebugSession)
+ if (mat != identity)
{
- gFailLog << "Texture matrix in channel " << i << " corrupt." << std::endl;
+ error = TRUE;
+ LL_WARNS("RenderState") << "Texture matrix in channel " << i << " corrupt." << LL_ENDL;
+ if (gDebugSession)
+ {
+ gFailLog << "Texture matrix in channel " << i << " corrupt." << std::endl;
+ }
+ }
+
+ for (S32 j = (i == 0 ? 1 : 0);
+ j < 9; j++)
+ {
+ if (j == 8 && !gGLManager.mHasTextureRectangle ||
+ j == 9 && !gGLManager.mHasTextureMultisample)
+ {
+ continue;
+ }
+
+ if (glIsEnabled(value[j]))
+ {
+ error = TRUE;
+ LL_WARNS("RenderState") << "Texture channel " << i << " still has " << label[j] << " enabled." << LL_ENDL;
+ if (gDebugSession)
+ {
+ gFailLog << "Texture channel " << i << " still has " << label[j] << " enabled." << std::endl;
+ }
+ }
+ stop_glerror();
}
- }
-
- for (S32 j = (i == 0 ? 1 : 0);
- j < (gGLManager.mHasTextureRectangle ? 9 : 8); j++)
- {
- if (glIsEnabled(value[j]))
+ glGetFloatv(GL_TEXTURE_MATRIX, mat.m);
+ stop_glerror();
+
+ if (mat != identity)
{
error = TRUE;
- LL_WARNS("RenderState") << "Texture channel " << i << " still has " << label[j] << " enabled." << LL_ENDL;
+ LL_WARNS("RenderState") << "Texture matrix " << i << " is not identity." << LL_ENDL;
if (gDebugSession)
{
- gFailLog << "Texture channel " << i << " still has " << label[j] << " enabled." << std::endl;
+ gFailLog << "Texture matrix " << i << " is not identity." << std::endl;
}
}
- stop_glerror();
}
- glGetFloatv(GL_TEXTURE_MATRIX, mat.m);
- stop_glerror();
-
- if (mat != identity)
{
- error = TRUE;
- LL_WARNS("RenderState") << "Texture matrix " << i << " is not identity." << LL_ENDL;
- if (gDebugSession)
+ GLint tex = 0;
+ stop_glerror();
+ glGetIntegerv(GL_TEXTURE_BINDING_2D, &tex);
+ stop_glerror();
+
+ if (tex != 0)
{
- gFailLog << "Texture matrix " << i << " is not identity." << std::endl;
+ error = TRUE;
+ LL_WARNS("RenderState") << "Texture channel " << i << " still has texture " << tex << " bound." << llendl;
+
+ if (gDebugSession)
+ {
+ gFailLog << "Texture channel " << i << " still has texture " << tex << " bound." << std::endl;
+ }
}
}
}
+ stop_glerror();
gGL.getTexUnit(0)->activate();
glClientActiveTextureARB(GL_TEXTURE0_ARB);
stop_glerror();
generated by cgit v1.2.3 (git 2.25.1) at 2025-01-22 03:01:38 +0000