-#include <msp/core/raii.h>
#include <msp/gl/extensions/arb_direct_state_access.h>
#include <msp/gl/extensions/arb_instanced_arrays.h>
#include <msp/gl/extensions/arb_vertex_array_object.h>
#include <msp/gl/extensions/arb_vertex_attrib_binding.h>
#include <msp/gl/extensions/arb_vertex_buffer_object.h>
#include <msp/gl/extensions/arb_vertex_shader.h>
+#include <msp/gl/extensions/ext_gpu_shader4.h>
#include <msp/gl/extensions/khr_debug.h>
#include "buffer.h"
#include "deviceinfo.h"
#include "error.h"
-#include "gl.h"
-#include "misc.h"
#include "vertexarray.h"
#include "vertexsetup.h"
if(!vertex_format.empty())
throw invalid_operation("VertexSetup::set_format");
+ require_format(vfmt, false);
+
vertex_format = vfmt;
}
if(!vertex_format.empty())
throw invalid_operation("VertexSetup::set_format");
+ require_format(vfmt, false);
+ require_format(ifmt, true);
+
vertex_format = vfmt;
inst_format = ifmt;
}
if(!a.get_buffer())
throw invalid_argument("VertexSetup::set_instance_array");
- static Require req(ARB_instanced_arrays);
-
inst_array = &a;
dirty |= INSTANCE_ARRAY;
}
if(fmt.empty())
return false;
- unsigned max_attribs = Limits::get_global().max_vertex_attributes;
-
- for(const UInt16 *a=fmt.begin(); a!=fmt.end(); ++a)
- if(get_attribute_semantic(*a)>=max_attribs)
- return false;
+ static unsigned max_attribs = DeviceInfo::get_global().limits.max_vertex_attributes;
+ return all_of(fmt.begin(), fmt.end(), [](VertexAttribute a){ return get_attribute_semantic(a)<max_attribs; });
+}
- return true;
+void VertexSetup::require_format(const VertexFormat &fmt, bool instanced)
+{
+ if(any_of(fmt.begin(), fmt.end(), is_integer_attribute))
+ static Require _req(EXT_gpu_shader4);
+ if(instanced)
+ static Require req(ARB_instanced_arrays);
}
void VertexSetup::update() const
if(dirty&INDEX_BUFFER)
{
if(direct)
- glVertexArrayElementBuffer(id, index_buffer->get_id());
+ glVertexArrayElementBuffer(id, index_buffer->id);
else
- glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, index_buffer->get_id());
+ glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, index_buffer->id);
}
dirty = 0;
void VertexSetup::update_vertex_array(const VertexArray &array, unsigned binding, unsigned divisor, bool direct) const
{
if(!direct)
- glBindBuffer(GL_ARRAY_BUFFER, array.get_buffer()->get_id());
+ {
+ Buffer::unbind_scratch();
+ glBindBuffer(GL_ARRAY_BUFFER, array.get_buffer()->id);
+ }
const VertexFormat &fmt = array.get_format();
unsigned stride = fmt.stride();
if(direct)
{
- glVertexArrayVertexBuffer(id, binding, array.get_buffer()->get_id(), 0, stride);
+ glVertexArrayVertexBuffer(id, binding, array.get_buffer()->id, 0, stride);
glVertexArrayBindingDivisor(id, binding, divisor);
}
unsigned offset = 0;
- for(const UInt16 *a=fmt.begin(); a!=fmt.end(); ++a)
+ for(VertexAttribute a: fmt)
{
- unsigned sem = get_attribute_semantic(*a);
- GLenum type = get_gl_type(get_attribute_source_type(*a));
- unsigned cc = get_attribute_component_count(*a);
+ unsigned sem = get_attribute_semantic(a);
+ bool integer = is_integer_attribute(a);
+ GLenum type = get_gl_type(get_attribute_source_type(a));
+ unsigned cc = get_attribute_component_count(a);
if(direct)
{
- glVertexArrayAttribFormat(id, sem, cc, type, true, offset);
+ if(integer)
+ glVertexArrayAttribIFormat(id, sem, cc, type, offset);
+ else
+ glVertexArrayAttribFormat(id, sem, cc, type, true, offset);
glVertexArrayAttribBinding(id, sem, binding);
glEnableVertexArrayAttrib(id, sem);
}
else
{
- glVertexAttribPointer(sem, cc, type, true, stride, reinterpret_cast<void *>(offset));
+ if(integer)
+ glVertexAttribIPointer(sem, cc, type, stride, reinterpret_cast<void *>(offset));
+ else
+ glVertexAttribPointer(sem, cc, type, true, stride, reinterpret_cast<void *>(offset));
if(ARB_instanced_arrays)
glVertexAttribDivisor(sem, divisor);
glEnableVertexAttribArray(sem);
}
- offset += get_attribute_size(*a);
+ offset += get_attribute_size(a);
}
if(!direct)
glBindVertexArray(id);
glBindBuffer(GL_ARRAY_BUFFER, 0);
- for(const UInt16 *a=vertex_format.begin(); a!=vertex_format.end(); ++a)
+ for(VertexAttribute a: vertex_format)
{
- unsigned sem = get_attribute_semantic(*a);
+ unsigned sem = get_attribute_semantic(a);
glDisableVertexAttribArray(sem);
glVertexAttribPointer(sem, 1, GL_FLOAT, false, 0, 0);
}
- for(const UInt16 *a=inst_format.begin(); a!=inst_format.end(); ++a)
+ for(VertexAttribute a: inst_format)
{
- unsigned sem = get_attribute_semantic(*a);
+ unsigned sem = get_attribute_semantic(a);
glDisableVertexAttribArray(sem);
glVertexAttribPointer(sem, 1, GL_FLOAT, false, 0, 0);
}