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authorAndrei Karas <akaras@inbox.ru>2014-07-02 23:04:19 +0300
committerAndrei Karas <akaras@inbox.ru>2014-07-02 23:04:19 +0300
commit3c9d042fff05fd3ead33b0ee301449345a1c06a9 (patch)
tree054e641bf09b0cddce51ccd307665cce38bac4dc
parentc5ba04d8c4f303ad621bfb295a37668bc1b3bb9c (diff)
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Add basic support for functions from OpenGL extension GL_EXT_direct_state_access.
-rw-r--r--src/CMakeLists.txt2
-rw-r--r--src/Makefile.am2
-rw-r--r--src/graphicsmanager.cpp13
-rw-r--r--src/render/mgl.cpp1
-rw-r--r--src/render/mgl.h1
-rw-r--r--src/render/mglemu.cpp43
-rw-r--r--src/render/mglemu.h36
-rw-r--r--src/render/mglfunctions.h15
-rw-r--r--src/render/mgltypes.h3
9 files changed, 116 insertions, 0 deletions
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index a251f51ce..be8f2b5e3 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -850,6 +850,8 @@ SET(SRCS
render/mgl.cpp
render/mgl.h
render/mgldefines.h
+ render/mglemu.cpp
+ render/mglemu.h
render/mglfunctions.h
render/mgltypes.h
render/mglx.cpp
diff --git a/src/Makefile.am b/src/Makefile.am
index ec895c687..c4c0af6a5 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -971,6 +971,8 @@ manaplus_SOURCES += gui/widgets/avatarlistbox.cpp \
render/mgl.cpp \
render/mgl.h \
render/mgldefines.h \
+ render/mglemu.cpp \
+ render/mglemu.h \
render/mglfunctions.h \
render/mgltypes.h \
render/mglx.cpp \
diff --git a/src/graphicsmanager.cpp b/src/graphicsmanager.cpp
index 7ebdcbdc3..af016fb34 100644
--- a/src/graphicsmanager.cpp
+++ b/src/graphicsmanager.cpp
@@ -44,6 +44,7 @@
#include "render/graphics.h"
#include "render/mgl.h"
+#include "render/mglemu.h"
#include "render/mobileopenglgraphics.h"
#include "render/modernopenglgraphics.h"
#include "render/normalopenglgraphics.h"
@@ -842,6 +843,7 @@ void GraphicsManager::initOpenGLFunctions()
const bool is42 = checkGLVersion(4, 2);
const bool is43 = checkGLVersion(4, 3);
const bool is44 = checkGLVersion(4, 4);
+ const bool isDao = supportExtension("GL_EXT_direct_state_access");
mSupportModernOpengl = true;
// Texture sampler
@@ -866,6 +868,17 @@ void GraphicsManager::initOpenGLFunctions()
if (!is11)
return;
+ if (isDao)
+ {
+ logger->log1("found GL_EXT_direct_state_access");
+ assignFunctionEmu(glTextureSubImage2D, "glTextureSubImage2DEXT");
+ }
+ else
+ {
+ logger->log1("GL_EXT_direct_state_access not found");
+ emulateFunction(glTextureSubImage2D);
+ }
+
if (is12 && (is42 || supportExtension("GL_ARB_texture_storage")))
{
logger->log1("found GL_ARB_texture_storage");
diff --git a/src/render/mgl.cpp b/src/render/mgl.cpp
index 875c291f8..c8de23997 100644
--- a/src/render/mgl.cpp
+++ b/src/render/mgl.cpp
@@ -107,6 +107,7 @@ defName(glEndQuery);
defName(glDeleteQueries);
defName(glGetQueryObjectiv);
defName(glGetQueryObjectui64v);
+defName(glTextureSubImage2D);
#ifdef WIN32
defName(wglGetExtensionsString);
diff --git a/src/render/mgl.h b/src/render/mgl.h
index a5848e906..705c66caa 100644
--- a/src/render/mgl.h
+++ b/src/render/mgl.h
@@ -110,6 +110,7 @@ defNameE(glEndQuery);
defNameE(glDeleteQueries);
defNameE(glGetQueryObjectiv);
defNameE(glGetQueryObjectui64v);
+defNameE(glTextureSubImage2D);
#ifdef WIN32
defNameE(wglGetExtensionsString);
diff --git a/src/render/mglemu.cpp b/src/render/mglemu.cpp
new file mode 100644
index 000000000..e8e3eca1c
--- /dev/null
+++ b/src/render/mglemu.cpp
@@ -0,0 +1,43 @@
+/*
+ * The ManaPlus Client
+ * Copyright (C) 2014 The ManaPlus Developers
+ *
+ * This file is part of The ManaPlus Client.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifdef USE_OPENGL
+
+#include "render/mglemu.h"
+
+#include "resources/openglimagehelper.h"
+
+#include "debug.h"
+
+void APIENTRY emuglTextureSubImage2D(GLuint texture, GLenum target,
+ GLint level,
+ GLint xoffset, GLint yoffset,
+ GLsizei width, GLsizei height,
+ GLenum format, GLenum type,
+ const void *pixels)
+{
+ OpenGLImageHelper::bindTexture(texture);
+ glTexSubImage2D(target, level,
+ xoffset, yoffset,
+ width, height,
+ format, type, pixels);
+}
+
+#endif
diff --git a/src/render/mglemu.h b/src/render/mglemu.h
new file mode 100644
index 000000000..2be8dfa5b
--- /dev/null
+++ b/src/render/mglemu.h
@@ -0,0 +1,36 @@
+/*
+ * The ManaPlus Client
+ * Copyright (C) 2014 The ManaPlus Developers
+ *
+ * This file is part of The ManaPlus Client.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef RENDER_MGLEMU_H
+#define RENDER_MGLEMU_H
+#ifdef USE_OPENGL
+
+#include "render/mgltypes.h"
+
+void APIENTRY emuglTextureSubImage2D(GLuint texture, GLenum target,
+ GLint level,
+ GLint xoffset, GLint yoffset,
+ GLsizei width, GLsizei height,
+ GLenum format, GLenum type,
+ const void *pixels);
+
+
+#endif // USE_OPENGL
+#endif // RENDER_MGLEMU_H
diff --git a/src/render/mglfunctions.h b/src/render/mglfunctions.h
index e68da7f11..59f05e190 100644
--- a/src/render/mglfunctions.h
+++ b/src/render/mglfunctions.h
@@ -43,5 +43,20 @@
else \
logger->log(std::string("assigned function: ") + name);
+#define assignFunctionEmu(func, name) m##func \
+ = reinterpret_cast<func##_t>(getFunction(name)); \
+ if (m##func == nullptr) \
+ { \
+ m##func = emu##func; \
+ logger->log(std::string("emulated function: ") + name); \
+ } \
+ else \
+ { \
+ logger->log(std::string("assigned function: ") + name); \
+ }
+
+#define emulateFunction(func) m##func = emu##func; \
+ logger->log("emulated function: #func")
+
#endif // USE_OPENGL
#endif // RENDER_MGLFUNCTIONS_H
diff --git a/src/render/mgltypes.h b/src/render/mgltypes.h
index c95b88dae..24f1e8ca8 100644
--- a/src/render/mgltypes.h
+++ b/src/render/mgltypes.h
@@ -172,6 +172,9 @@ typedef void (APIENTRY *glGetQueryObjectiv_t) (GLuint id,
GLenum pname, GLint *params);
typedef void (APIENTRY *glGetQueryObjectui64v_t) (GLuint id,
GLenum pname, uint64_t *params);
+typedef void (APIENTRY *glTextureSubImage2D_t) (GLuint texture, GLenum target,
+ GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height,
+ GLenum format, GLenum type, const void *pixels);
// callback
typedef void (APIENTRY *GLDEBUGPROC_t) (GLenum source, GLenum type, GLuint id,