Changeset 473 for trunk/src/gl/gl_context.cc

Timestamp:

10/09/15 14:06:56 (10 years ago)

Author:

epyon

Message:

• rtti updates
• device/context initial uniform buffer support
• fixes

File:

• trunk/src/gl/gl_context.cc (modified) (4 diffs)

trunk/src/gl/gl_context.cc

@@ -205 +205 @@
         {
                 glBindFramebuffer( framebuffer_slot_to_enum(ft), 0 );
+        }
+}
+
+void nv::gl_context::bind( buffer b, uint32 index, size_t offset /*= 0*/, size_t size /*= 0 */ )
+{
+        const gl_buffer_info* info = static_cast< const gl_buffer_info* >( m_device->get_buffer_info( b ) );
+        if ( info )
+        {
+                if ( size == 0 )
+                        glBindBufferBase( buffer_type_to_enum( info->type ), index, info->glid );
+                else
+                        glBindBufferRange( buffer_type_to_enum( info->type ), index, info->glid, offset, size );
         }
 }
@@ -339 +351 @@
                 else
                         glTexImage2D( gl_type, 0, static_cast<GLint>( nv::image_format_to_internal_enum(format.format) ), size.x, size.y, 0, nv::image_format_to_enum(format.format), nv::datatype_to_gl_enum(format.type), data );
+        }
+}
+
+void nv::gl_context::update( buffer b, uint32 index, const void* data, size_t offset, size_t size )
+{
+        const gl_buffer_info* info = static_cast<const gl_buffer_info*>( m_device->get_buffer_info( b ) );
+        if ( info )
+        {
+                GLenum glenum = buffer_type_to_enum( info->type );
+                if ( size == 0 )
+                        glBindBufferBase( glenum, index, info->glid );
+                else
+                        glBindBufferRange( glenum, index, info->glid, offset, size );
+                glBufferSubData( glenum, GLintptr( offset ), GLsizeiptr( size ), data );
         }
 }
@@ -750 +776 @@
 }
 
-void gl_context::draw( primitive prim, const render_state& rs, program p, vertex_array va, nv::size_t count )
+void gl_context::draw( primitive prim, const render_state& rs, program p, vertex_array va, nv::size_t count, nv::size_t first )
 {
         apply_render_state( rs );
@@ -760 +786 @@
                 if ( info->index.is_valid() )
                 {
-                        glDrawElements( primitive_to_enum(prim), static_cast<GLsizei>( count ), datatype_to_gl_enum( info->index_type ), 0 );
+                        glDrawElements( primitive_to_enum(prim), static_cast<GLsizei>( count ), datatype_to_gl_enum( info->index_type ), reinterpret_cast< const void* >( get_datatype_info( info->index_type ).size * first ) );
                 }
                 else
                 {
-                        glDrawArrays( primitive_to_enum(prim), 0, static_cast<GLsizei>( count ) );
+                        glDrawArrays( primitive_to_enum(prim), first, static_cast<GLsizei>( count ) );
                 }
                 unbind( va );