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Code Issues 123 Wiki Activity

multi texturing support for display list mode

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This commit is contained in:
tmj-fstate
2017-07-25 17:42:43 +02:00
parent d2d93616fa
commit 2f1358422d
5 changed files with 43 additions and 22 deletions
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27
openglgeometrybank.h
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@@ -42,7 +42,12 @@ enum stream {
};
unsigned int const basic_streams { stream::position | stream::normal | stream::texture };
unsigned int const color_streams{ stream::position | stream::color | stream::texture };
unsigned int const color_streams { stream::position | stream::color | stream::texture };
struct stream_units {
GLint texture { GL_TEXTURE0 }; // unit associated with main texture data stream. TODO: allow multiple units per stream
};
typedef std::vector<basic_vertex> vertex_array;
@@ -98,11 +103,11 @@ public:
append( vertex_array &Vertices, geometry_handle const &Geometry );
// draws geometry stored in specified chunk
void
draw( geometry_handle const &Geometry, unsigned int const Streams = basic_streams );
draw( geometry_handle const &Geometry, stream_units const &Units, unsigned int const Streams = basic_streams );
// draws geometry stored in supplied list of chunks
template <typename Iterator_>
void
draw( Iterator_ First, Iterator_ Last, unsigned int const Streams = basic_streams ) { while( First != Last ) { draw( *First, Streams ); ++First; } }
draw( Iterator_ First, Iterator_ Last, stream_units const &Units, unsigned int const Streams = basic_streams ) { while( First != Last ) { draw( *First, Units, Streams ); ++First; } }
// frees subclass-specific resources associated with the bank, typically called when the bank wasn't in use for a period of time
void
release();
@@ -145,7 +150,7 @@ private:
// replace() subclass details
virtual void replace_( geometry_handle const &Geometry ) = 0;
// draw() subclass details
virtual void draw_( geometry_handle const &Geometry, unsigned int const Streams ) = 0;
virtual void draw_( geometry_handle const &Geometry, stream_units const &Units, unsigned int const Streams ) = 0;
// resource release subclass details
virtual void release_() = 0;
};
@@ -186,8 +191,8 @@ private:
replace_( geometry_handle const &Geometry );
// draw() subclass details
void
draw_( geometry_handle const &Geometry, unsigned int const Streams );
// release () subclass details
draw_( geometry_handle const &Geometry, stream_units const &Units, unsigned int const Streams );
// release() subclass details
void
release_();
void
@@ -195,7 +200,9 @@ private:
void
delete_buffer();
void
bind_streams( unsigned int const Streams );
bind_streams( stream_units const &Units, unsigned int const Streams );
void
release_streams();
// members:
static GLuint m_activebuffer; // buffer bound currently on the opengl end, if any
@@ -236,7 +243,7 @@ private:
replace_( geometry_handle const &Geometry );
// draw() subclass details
void
draw_( geometry_handle const &Geometry, unsigned int const Streams );
draw_( geometry_handle const &Geometry, stream_units const &Units, unsigned int const Streams );
// release () subclass details
void
release_();
@@ -282,6 +289,9 @@ public:
// provides direct access to vertex data of specfied chunk
vertex_array const &
vertices( geometry_handle const &Geometry ) const;
// sets target texture unit for the texture data stream
stream_units &
units() { return m_units; }
private:
// types:
@@ -294,6 +304,7 @@ private:
// members:
geometrybanktimepointpair_sequence m_geometrybanks;
garbage_collector<geometrybanktimepointpair_sequence> m_garbagecollector { m_geometrybanks, 60, 120, "geometry buffer" };
stream_units m_units;
// methods
inline