ic
/
magnum
mirror of https://github.com/mosra/magnum.git
6
0
Fork 0
Code Issues Projects Releases Wiki Activity
Browse Source

GL: make use of ARB_DSA in Mesh internals. 

Last holdout of EXT_DSA is gone. I'm not even preserving the EXT_DSA
docs anymore. Now let's take the trash out.
pull/331/head
Vladimír Vondruš 7 years ago
parent
7466d939e5
commit
21b2cac953
4 changed files with 79 additions and 28 deletions
Whitespace
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Split View
Diff Options
Show Stats Download Patch File Download Diff File
  1. 6
      doc/changelog.dox
  2. 37
      src/Magnum/GL/Implementation/MeshState.cpp
  3. 39
      src/Magnum/GL/Mesh.cpp
  4. 25
      src/Magnum/GL/Mesh.h

6
doc/changelog.dox
Unescape View File

@ -124,6 +124,12 @@ See also:
- @ref DebugTools::textureSubImage() for float textures was updated to work
with SwiftShader (which has broken @glsl gl_VertexID @ce)
@subsubsection changelog-latest-changes-gl GL library
- Reworked @ref GL::Mesh internals to make use of
@gl_extension{ARB,direct_state_access} instead of being the last code path
stuck on @gl_extension{EXT,direct_state_access}
@subsubsection changelog-latest-changes-math Math library
- @ref Math::BoolVector now implements component-wise @cpp && @ce,

37
src/Magnum/GL/Implementation/MeshState.cpp
Unescape View File

@ -53,24 +53,31 @@ MeshState::MeshState(Context& context, ContextState& contextState, std::vector<s
extensions.push_back(Extensions::OES::vertex_array_object::string());
#endif
createImplementation = &Mesh::createImplementationVAO;
moveConstructImplementation = &Mesh::moveConstructImplementationVAO;
moveAssignImplementation = &Mesh::moveAssignImplementationVAO;
destroyImplementation = &Mesh::destroyImplementationVAO;
#ifndef MAGNUM_TARGET_GLES
if(context.isExtensionSupported<Extensions::EXT::direct_state_access>()) {
if(context.isExtensionSupported<Extensions::ARB::direct_state_access>()) {
extensions.emplace_back(Extensions::ARB::direct_state_access::string());
createImplementation = &Mesh::createImplementationVAODSA;
attributePointerImplementation = &Mesh::attributePointerImplementationVAODSA;
bindIndexBufferImplementation = &Mesh::bindIndexBufferImplementationVAODSA;
} else if(context.isExtensionSupported<Extensions::EXT::direct_state_access>()) {
extensions.emplace_back(Extensions::EXT::direct_state_access::string());
attributePointerImplementation = &Mesh::attributePointerImplementationDSAEXT;
createImplementation = &Mesh::createImplementationVAO;
attributePointerImplementation = &Mesh::attributePointerImplementationVAODSAEXT;
bindIndexBufferImplementation = &Mesh::bindIndexBufferImplementationVAO;
} else
#endif
{
createImplementation = &Mesh::createImplementationVAO;
attributePointerImplementation = &Mesh::attributePointerImplementationVAO;
bindIndexBufferImplementation = &Mesh::bindIndexBufferImplementationVAO;
}
moveConstructImplementation = &Mesh::moveConstructImplementationVAO;
moveAssignImplementation = &Mesh::moveAssignImplementationVAO;
destroyImplementation = &Mesh::destroyImplementationVAO;
acquireVertexBufferImplementation = &Mesh::acquireVertexBufferImplementationVAO;
bindIndexBufferImplementation = &Mesh::bindIndexBufferImplementationVAO;
bindVAOImplementation = &Mesh::bindVAOImplementationVAO;
bindImplementation = &Mesh::bindImplementationVAO;
unbindImplementation = &Mesh::unbindImplementationVAO;
@ -90,14 +97,6 @@ MeshState::MeshState(Context& context, ContextState& contextState, std::vector<s
}
#endif
#ifndef MAGNUM_TARGET_GLES
/* DSA create implementation (other cases handled above) */
if(context.isExtensionSupported<Extensions::ARB::direct_state_access>() && context.isExtensionSupported<Extensions::ARB::vertex_array_object>()) {
extensions.emplace_back(Extensions::ARB::direct_state_access::string());
createImplementation = &Mesh::createImplementationVAODSA;
}
#endif
#ifdef MAGNUM_TARGET_GLES
#ifndef MAGNUM_TARGET_WEBGL
/* Multi draw implementation on ES */
@ -147,9 +146,11 @@ MeshState::MeshState(Context& context, ContextState& contextState, std::vector<s
#ifndef MAGNUM_TARGET_GLES
/* Partial EXT_DSA implementation of vertex attrib divisor */
if(context.isExtensionSupported<Extensions::EXT::direct_state_access>()) {
if(context.isExtensionSupported<Extensions::ARB::direct_state_access>()) {
vertexAttribDivisorImplementation = &Mesh::vertexAttribDivisorImplementationVAODSA;
} else if(context.isExtensionSupported<Extensions::EXT::direct_state_access>()) {
if(glVertexArrayVertexAttribDivisorEXT)
vertexAttribDivisorImplementation = &Mesh::vertexAttribDivisorImplementationDSAEXT;
vertexAttribDivisorImplementation = &Mesh::vertexAttribDivisorImplementationVAODSAEXT;
else vertexAttribDivisorImplementation = &Mesh::vertexAttribDivisorImplementationVAO;
} else vertexAttribDivisorImplementation = nullptr;
#elif defined(MAGNUM_TARGET_GLES2)

39
src/Magnum/GL/Mesh.cpp
Unescape View File

@ -688,7 +688,33 @@ void Mesh::attributePointerImplementationVAO(AttributeLayout&& attribute) {
}
#ifndef MAGNUM_TARGET_GLES
void Mesh::attributePointerImplementationDSAEXT(AttributeLayout&& attribute) {
void Mesh::attributePointerImplementationVAODSA(AttributeLayout&& attribute) {
_flags |= ObjectFlag::Created;
glEnableVertexArrayAttrib(_id, attribute.location);
#ifndef MAGNUM_TARGET_GLES2
if(attribute.kind == DynamicAttribute::Kind::Integral)
glVertexArrayAttribIFormat(_id, attribute.location, attribute.size, attribute.type, 0);
#ifndef MAGNUM_TARGET_GLES
else if(attribute.kind == DynamicAttribute::Kind::Long)
glVertexArrayAttribLFormat(_id, attribute.location, attribute.size, attribute.type, 0);
#endif
else
#endif
{
glVertexArrayAttribFormat(_id, attribute.location, attribute.size, attribute.type, attribute.kind == DynamicAttribute::Kind::GenericNormalized, 0);
}
glVertexArrayAttribBinding(_id, attribute.location, attribute.location);
CORRADE_INTERNAL_ASSERT(attribute.stride != 0);
glVertexArrayVertexBuffer(_id, attribute.location, attribute.buffer.id(), attribute.offset, attribute.stride);
if(attribute.divisor)
(this->*Context::current().state().mesh->vertexAttribDivisorImplementation)(attribute.location, attribute.divisor);
}
void Mesh::attributePointerImplementationVAODSAEXT(AttributeLayout&& attribute) {
_flags |= ObjectFlag::Created;
glEnableVertexArrayAttribEXT(_id, attribute.location);
@ -741,7 +767,10 @@ void Mesh::vertexAttribDivisorImplementationVAO(const GLuint index, const GLuint
bindVAO();
glVertexAttribDivisor(index, divisor);
}
void Mesh::vertexAttribDivisorImplementationDSAEXT(const GLuint index, const GLuint divisor) {
void Mesh::vertexAttribDivisorImplementationVAODSA(const GLuint index, const GLuint divisor) {
glVertexArrayBindingDivisor(_id, index, divisor);
}
void Mesh::vertexAttribDivisorImplementationVAODSAEXT(const GLuint index, const GLuint divisor) {
glVertexArrayVertexAttribDivisorEXT(_id, index, divisor);
}
#elif defined(MAGNUM_TARGET_GLES2)
@ -787,6 +816,12 @@ void Mesh::bindIndexBufferImplementationVAO(Buffer& buffer) {
buffer.bindInternal(Buffer::TargetHint::ElementArray);
}
#ifndef MAGNUM_TARGET_GLES
void Mesh::bindIndexBufferImplementationVAODSA(Buffer& buffer) {
glVertexArrayElementBuffer(_id, buffer.id());
}
#endif
void Mesh::bindImplementationDefault() {
/* Specify vertex attributes */
for(AttributeLayout& attribute: *reinterpret_cast<std::vector<AttributeLayout>*>(&_attributes))

25
src/Magnum/GL/Mesh.h
Unescape View File

@ -280,7 +280,7 @@ and @fn_gl_keyword{UseProgram}. Mesh limits and implementation-defined values
(such as @ref maxElementIndex()) are cached, so repeated queries don't result
in repeated @fn_gl{Get} calls.
If @gl_extension{EXT,direct_state_access} desktop extension and VAOs are
If @gl_extension{ARB,direct_state_access} desktop extension and VAOs are
available, DSA functions are used for specifying attribute locations to avoid
unnecessary calls to @fn_gl{BindBuffer} and @fn_gl{BindVertexArray}. See
documentation of @ref addVertexBuffer() for more information.
@ -699,8 +699,10 @@ class MAGNUM_GL_EXPORT Mesh: public AbstractObject {
* @ref setCount(), @fn_gl_keyword{BindVertexArray},
* @fn_gl_keyword{EnableVertexAttribArray}, @fn_gl{BindBuffer},
* @fn_gl_keyword{VertexAttribPointer} or
* @fn_gl_extension{EnableVertexArrayAttrib,EXT,direct_state_access},
* @fn_gl_extension_keyword{VertexArrayVertexAttribOffset,EXT,direct_state_access}
* @fn_gl2{EnableVertexArrayAttrib,EnableVertexAttribArray},
* @fn_gl2{VertexArrayAttribFormat,VertexAttribFormat},
* @fn_gl2{VertexArrayAttribBinding,VertexAttribBinding} and
* @fn_gl2{VertexArrayVertexBuffer,BindVertexBuffer}
* @requires_gles In WebGL the data must be properly aligned (e.g. all
* float data must start at addresses divisible by four). Also the
* maximum stride of attribute data must be at most 255 bytes.
@ -731,9 +733,11 @@ class MAGNUM_GL_EXPORT Mesh: public AbstractObject {
* @fn_gl{BindVertexArray}, @fn_gl_keyword{EnableVertexAttribArray},
* @fn_gl{BindBuffer}, @fn_gl_keyword{VertexAttribPointer},
* @fn_gl_keyword{VertexAttribDivisor} or
* @fn_gl_extension_keyword{EnableVertexArrayAttrib,EXT,direct_state_access},
* @fn_gl_extension_keyword{VertexArrayVertexAttribOffset,EXT,direct_state_access},
* @fn_gl_extension_keyword{VertexArrayVertexAttribDivisor,EXT,direct_state_access}
* @fn_gl2{EnableVertexArrayAttrib,EnableVertexAttribArray},
* @fn_gl2{VertexArrayAttribFormat,VertexAttribFormat},
* @fn_gl2{VertexArrayAttribBinding,VertexAttribBinding},
* @fn_gl2{VertexArrayVertexBuffer,BindVertexBuffer} and
* @fn_gl2{VertexArrayBindingDivisor,VertexBindingDivisor}
* @requires_gl33 Extension @gl_extension{ARB,instanced_arrays}
* @requires_gles30 Extension @gl_extension{ANGLE,instanced_arrays},
* @gl_extension{EXT,instanced_arrays} or
@ -1107,13 +1111,15 @@ class MAGNUM_GL_EXPORT Mesh: public AbstractObject {
void MAGNUM_GL_LOCAL attributePointerImplementationDefault(AttributeLayout&& attribute);
void MAGNUM_GL_LOCAL attributePointerImplementationVAO(AttributeLayout&& attribute);
#ifndef MAGNUM_TARGET_GLES
void MAGNUM_GL_LOCAL attributePointerImplementationDSAEXT(AttributeLayout&& attribute);
void MAGNUM_GL_LOCAL attributePointerImplementationVAODSA(AttributeLayout&& attribute);
void MAGNUM_GL_LOCAL attributePointerImplementationVAODSAEXT(AttributeLayout&& attribute);
#endif
void MAGNUM_GL_LOCAL vertexAttribPointer(AttributeLayout& attribute);
#ifndef MAGNUM_TARGET_GLES
void MAGNUM_GL_LOCAL vertexAttribDivisorImplementationVAO(GLuint index, GLuint divisor);
void MAGNUM_GL_LOCAL vertexAttribDivisorImplementationDSAEXT(GLuint index, GLuint divisor);
void MAGNUM_GL_LOCAL vertexAttribDivisorImplementationVAODSA(GLuint index, GLuint divisor);
void MAGNUM_GL_LOCAL vertexAttribDivisorImplementationVAODSAEXT(GLuint index, GLuint divisor);
#elif defined(MAGNUM_TARGET_GLES2)
void MAGNUM_GL_LOCAL vertexAttribDivisorImplementationANGLE(GLuint index, GLuint divisor);
#ifndef MAGNUM_TARGET_WEBGL
@ -1128,6 +1134,9 @@ class MAGNUM_GL_EXPORT Mesh: public AbstractObject {
void MAGNUM_GL_LOCAL bindIndexBufferImplementationDefault(Buffer&);
void MAGNUM_GL_LOCAL bindIndexBufferImplementationVAO(Buffer& buffer);
#ifndef MAGNUM_TARGET_GLES
void MAGNUM_GL_LOCAL bindIndexBufferImplementationVAODSA(Buffer& buffer);
#endif
void MAGNUM_GL_LOCAL bindImplementationDefault();
void MAGNUM_GL_LOCAL bindImplementationVAO();

Write Preview
Loading…
Cancel
Save