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Fix several OpenGL version checking comparisons and add glGetTexImage.

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Thanks @devsh for the patch.


git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@6071 dfc29bdd-3216-0410-991c-e03cc46cb475
This commit is contained in:
cutealien
2020-02-10 14:08:59 +00:00
parent 5451a2a8a0
commit 7beeb3d3f8
3 changed files with 69 additions and 19 deletions
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66
source/Irrlicht/COpenGLExtensionHandler.h
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@ -86,6 +86,7 @@ static const char* const OpenGLFeatureStrings[] = {
"GL_ARB_depth_buffer_float",
"GL_ARB_depth_clamp",
"GL_ARB_depth_texture",
"GL_ARB_direct_state_access",
"GL_ARB_draw_buffers",
"GL_ARB_draw_buffers_blend",
"GL_ARB_draw_elements_base_vertex",
@ -572,6 +573,7 @@ class COpenGLExtensionHandler
IRR_ARB_depth_buffer_float,
IRR_ARB_depth_clamp,
IRR_ARB_depth_texture,
IRR_ARB_direct_state_access,
IRR_ARB_draw_buffers,
IRR_ARB_draw_buffers_blend,
IRR_ARB_draw_elements_base_vertex,
@ -1188,6 +1190,7 @@ class COpenGLExtensionHandler
void extGlTextureSubImage2D(GLuint texture, GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLenum type, const void* pixels);
void extGlTextureStorage2D(GLuint texture, GLenum target, GLsizei levels, GLenum internalformat, GLsizei width, GLsizei height);
void extGlTextureStorage3D(GLuint texture, GLenum target, GLsizei levels, GLenum internalformat, GLsizei width, GLsizei height, GLsizei depth);
void extGlGetTextureImage(GLuint texture, GLenum target, GLint level, GLenum format, GLenum type, GLsizei bufSize, void* pixels);
void extGlNamedFramebufferTexture(GLuint framebuffer, GLenum attachment, GLuint texture, GLint level);
void extGlTextureParameteri(GLuint texture, GLenum pname, GLint param);
void extGlCreateTextures(GLenum target, GLsizei n, GLuint* textures);
@ -1347,6 +1350,7 @@ class COpenGLExtensionHandler
PFNGLTEXTURESTORAGE2DPROC pGlTextureStorage2D;
PFNGLTEXTURESTORAGE3DPROC pGlTextureStorage3D;
PFNGLTEXTURESUBIMAGE2DPROC pGlTextureSubImage2D;
PFNGLGETTEXTUREIMAGEPROC pGlGetTextureImage;
PFNGLNAMEDFRAMEBUFFERTEXTUREPROC pGlNamedFramebufferTexture;
PFNGLTEXTUREPARAMETERIPROC pGlTextureParameteri;
PFNGLCREATETEXTURESPROC pGlCreateTextures;
@ -1354,11 +1358,12 @@ class COpenGLExtensionHandler
PFNGLBINDTEXTURESPROC pGlBindTextures;
PFNGLGENERATETEXTUREMIPMAPPROC pGlGenerateTextureMipmap;
// DSA with EXT or functions to simulate it
PFNGLTEXTURESUBIMAGE2DEXTPROC pGlTextureSubImage2DEXT;
PFNGLTEXTURESTORAGE2DEXTPROC pGlTextureStorage2DEXT;
PFNGLTEXSTORAGE2DPROC pGlTexStorage2D;
PFNGLTEXTURESTORAGE3DEXTPROC pGlTextureStorage3DEXT;
PFNGLTEXSTORAGE3DPROC pGlTexStorage3D;
PFNGLTEXTURESUBIMAGE2DEXTPROC pGlTextureSubImage2DEXT;
PFNGLGETTEXTUREIMAGEEXTPROC pGlGetTextureImageEXT;
PFNGLNAMEDFRAMEBUFFERTEXTUREEXTPROC pGlNamedFramebufferTextureEXT;
PFNGLFRAMEBUFFERTEXTUREPROC pGlFramebufferTexture;
PFNGLGENERATETEXTUREMIPMAPEXTPROC pGlGenerateTextureMipmapEXT;
@ -2730,7 +2735,7 @@ inline void COpenGLExtensionHandler::irrGlBlendEquationSeparateIndexed(GLuint bu
inline void COpenGLExtensionHandler::extGlTextureSubImage2D(GLuint texture, GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLenum type, const void* pixels)
{
if (Version>=450)
if (Version>=405 || FeatureAvailable[IRR_ARB_direct_state_access])
{
#ifdef _IRR_OPENGL_USE_EXTPOINTER_
if (pGlTextureSubImage2D)
@ -2784,7 +2789,7 @@ inline void COpenGLExtensionHandler::extGlTextureSubImage2D(GLuint texture, GLen
inline void COpenGLExtensionHandler::extGlTextureStorage2D(GLuint texture, GLenum target, GLsizei levels, GLenum internalformat, GLsizei width, GLsizei height)
{
if (Version>=450)
if (Version>=405 || FeatureAvailable[IRR_ARB_direct_state_access])
{
#ifdef _IRR_OPENGL_USE_EXTPOINTER_
if (pGlTextureStorage2D)
@ -2838,7 +2843,7 @@ inline void COpenGLExtensionHandler::extGlTextureStorage2D(GLuint texture, GLenu
inline void COpenGLExtensionHandler::extGlTextureStorage3D(GLuint texture, GLenum target, GLsizei levels, GLenum internalformat, GLsizei width, GLsizei height, GLsizei depth)
{
if (Version>=450)
if (Version>=405 || FeatureAvailable[IRR_ARB_direct_state_access])
{
#ifdef _IRR_OPENGL_USE_EXTPOINTER_
if (pGlTextureStorage3D)
@ -2887,11 +2892,54 @@ inline void COpenGLExtensionHandler::extGlTextureStorage3D(GLuint texture, GLenu
}
}
inline void COpenGLExtensionHandler::extGlGetTextureImage(GLuint texture, GLenum target, GLint level, GLenum format, GLenum type, GLsizei bufSize, void* pixels)
{
if (Version>=405 || FeatureAvailable[IRR_ARB_direct_state_access])
{
#ifdef _IRR_OPENGL_USE_EXTPOINTER_
if (pGlGetTextureImage)
pGlGetTextureImage(texture,level,format,type,bufSize,pixels);
#else
glGetTextureImage(texture,level,format,type,bufSize,pixels);
#endif // _IRR_OPENGL_USE_EXTPOINTER_
}
else if (FeatureAvailable[IRR_EXT_direct_state_access])
{
#ifdef _IRR_OPENGL_USE_EXTPOINTER_
if (pGlGetTextureImageEXT)
pGlGetTextureImageEXT(texture,target,level,format,type,pixels);
#else
glGetTextureImageEXT(texture,target,level,format,type,pixels);
#endif // _IRR_OPENGL_USE_EXTPOINTER_
}
else
{
GLint bound;
switch (target)
{
case GL_TEXTURE_2D_ARRAY:
glGetIntegerv(GL_TEXTURE_BINDING_2D_ARRAY, &bound);
break;
case GL_TEXTURE_3D:
glGetIntegerv(GL_TEXTURE_BINDING_3D, &bound);
break;
case GL_TEXTURE_CUBE_MAP_ARRAY:
glGetIntegerv(GL_TEXTURE_BINDING_CUBE_MAP_ARRAY, &bound);
break;
default:
return;
}
glBindTexture(target, texture);
glGetTexImage(target,level,format,type,pixels);
glBindTexture(target, bound);
}
}
inline void COpenGLExtensionHandler::extGlNamedFramebufferTexture(GLuint framebuffer, GLenum attachment, GLuint texture, GLint level)
{
if (!needsDSAFramebufferHack)
{
if (Version>=450)
if (Version>=405 || FeatureAvailable[IRR_ARB_direct_state_access])
{
pGlNamedFramebufferTexture(framebuffer, attachment, texture, level);
return;
@ -2925,7 +2973,7 @@ inline void COpenGLExtensionHandler::extGlTextureParameteri(GLuint texture, GLen
inline void COpenGLExtensionHandler::extGlCreateTextures(GLenum target, GLsizei n, GLuint* textures)
{
if (Version>=450)
if (Version>=405)
{
#ifdef _IRR_OPENGL_USE_EXTPOINTER_
if (pGlCreateTextures)
@ -2946,7 +2994,7 @@ inline void COpenGLExtensionHandler::extGlCreateFramebuffers(GLsizei n, GLuint*
{
if (!needsDSAFramebufferHack)
{
if (Version>=450)
if (Version>=405)
{
pGlCreateFramebuffers(n, framebuffers);
return;
@ -2963,7 +3011,7 @@ inline void COpenGLExtensionHandler::extGlBindTextures(GLuint first, GLsizei cou
GL_TEXTURE_1D_ARRAY,GL_TEXTURE_2D_ARRAY,GL_TEXTURE_BUFFER, // GL 3.x
GL_TEXTURE_CUBE_MAP_ARRAY,GL_TEXTURE_2D_MULTISAMPLE,GL_TEXTURE_2D_MULTISAMPLE_ARRAY}; // GL 4.x
if (Version>=440||FeatureAvailable[IRR_ARB_multi_bind])
if (Version>=404||FeatureAvailable[IRR_ARB_multi_bind])
{
#ifdef _IRR_OPENGL_USE_EXTPOINTER_
if (pGlBindTextures)
@ -2999,7 +3047,7 @@ inline void COpenGLExtensionHandler::extGlBindTextures(GLuint first, GLsizei cou
inline void COpenGLExtensionHandler::extGlGenerateTextureMipmap(GLuint texture, GLenum target)
{
if (Version>=450)
if (Version>=405 || FeatureAvailable[IRR_ARB_direct_state_access])
{
#ifdef _IRR_OPENGL_USE_EXTPOINTER_
if (pGlGenerateTextureMipmap)