vertexbuffer.h File Reference

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Macros
#define	glBegin   vertex_buffer_glBegin
	Here we overload the default OpenGL commands, in order to call the corresponding vertex buffer operations defined above.
#define	glEnd   vertex_buffer_glEnd
#define	glVertex2d   vertex_buffer_glVertex2d
#define	glVertex2f   vertex_buffer_glVertex2d
#define	glVertex3d   vertex_buffer_glVertex3d
#define	glColor3f   vertex_buffer_glColor3f
#define	glNormal3d   vertex_buffer_glNormal3d

Functions
static void	vertex_buffer_push_index (unsigned int i)
void	vertex_buffer_setup ()
void	vertex_buffer_free ()
static void	vertex_buffer_glBegin (unsigned int state)
static void	vertex_buffer_glEnd ()
static void	vertex_buffer_glColor3f (float r, float g, float b)
static void	vertex_buffer_glNormal3d (double nx, double ny, double nz)
static void	vertex_buffer_glVertex3d (double x, double y, double z)
static void	vertex_buffer_glVertex2d (double x, double y)

Variables
struct {
Array *   position
Array *   normal
Array *   color
Array *   index
float   modelview [16]
int   type
int   dim
int   vertex
int   nvertex
bool   visible
int   line_loop
int   lines
int   line_strip
int   quads
int   polygon
int   fan
int   state
}	VertexBuffer

Macro Definition Documentation

glBegin

#define glBegin   vertex_buffer_glBegin

Here we overload the default OpenGL commands, in order to call the corresponding vertex buffer operations defined above.

Definition at line 242 of file vertexbuffer.h.

glColor3f

#define glColor3f   vertex_buffer_glColor3f

Definition at line 247 of file vertexbuffer.h.

glEnd

#define glEnd   vertex_buffer_glEnd

Definition at line 243 of file vertexbuffer.h.

glNormal3d

#define glNormal3d   vertex_buffer_glNormal3d

Definition at line 248 of file vertexbuffer.h.

glVertex2d

#define glVertex2d   vertex_buffer_glVertex2d

Definition at line 244 of file vertexbuffer.h.

glVertex2f

#define glVertex2f   vertex_buffer_glVertex2d

Definition at line 245 of file vertexbuffer.h.

glVertex3d

#define glVertex3d   vertex_buffer_glVertex3d

Definition at line 246 of file vertexbuffer.h.

Function Documentation

vertex_buffer_free()

void vertex_buffer_free

(

)

Definition at line 51 of file vertexbuffer.h.

References array_free(), VertexBuffer, and x.

Referenced by display_update().

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vertex_buffer_glBegin()

static void vertex_buffer_glBegin ( unsigned int  state )

static

Definition at line 63 of file vertexbuffer.h.

References get_view(), GL_LINE_LOOP, GL_LINE_STRIP, GL_LINES, GL_MODELVIEW_MATRIX, GL_POLYGON, GL_QUADS, GL_TRIANGLE_FAN, glBegin, glGetFloatv, i, q, state, swap, VertexBuffer, view(), and x.

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vertex_buffer_glColor3f()

static void vertex_buffer_glColor3f ( float  r, float  g, float  b  )

static

Definition at line 190 of file vertexbuffer.h.

References array_append(), b, color, g, glColor3f, VertexBuffer, x, y, and z.

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vertex_buffer_glEnd()

static void vertex_buffer_glEnd ( )

static

Definition at line 114 of file vertexbuffer.h.

References assert, GL_LINE_LOOP, GL_LINE_STRIP, GL_LINES, GL_POLYGON, GL_QUADS, GL_TRIANGLE_FAN, glEnd, i, j, type, vertex_buffer_push_index(), and VertexBuffer.

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vertex_buffer_glNormal3d()

static void vertex_buffer_glNormal3d ( double  nx, double  ny, double  nz  )

static

Definition at line 200 of file vertexbuffer.h.

References array_append(), glNormal3d, normal, VertexBuffer, x, y, and z.

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vertex_buffer_glVertex2d()

static void vertex_buffer_glVertex2d ( double  x, double  y  )

static

Definition at line 224 of file vertexbuffer.h.

References array_append(), glVertex3d, v, VertexBuffer, x, and y.

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vertex_buffer_glVertex3d()

static void vertex_buffer_glVertex3d ( double  x, double  y, double  z  )

static

Definition at line 210 of file vertexbuffer.h.

References array_append(), glVertex3d, v, VertexBuffer, x, y, and z.

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vertex_buffer_push_index()

static void vertex_buffer_push_index ( unsigned int  i )

static

Definition at line 34 of file vertexbuffer.h.

References array_append(), i, and VertexBuffer.

Referenced by vertex_buffer_glEnd().

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vertex_buffer_setup()

void vertex_buffer_setup

(

)

Definition at line 40 of file vertexbuffer.h.

References array_new(), and VertexBuffer.

Referenced by display_command().

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Variable Documentation

color

Array * color

Definition at line 18 of file vertexbuffer.h.

Referenced by draw_lines(), if(), if(), if(), if(), and vertex_buffer_glColor3f().

dim

int dim

Definition at line 21 of file vertexbuffer.h.

Referenced by event_init(), and includes().

fan

int fan

Definition at line 27 of file vertexbuffer.h.

index

Array * index

Definition at line 18 of file vertexbuffer.h.

Referenced by balanced_pid(), cpu_reduction(), foreach_mem(), free_exts(), get_exts(), has_ext(), open_gl(), quad_neighbor(), restore_mpi(), split(), stencil_val(), stencil_val_a(), strdup(), tag(), update_sum(), write_stencil_index(), and z_indexing().

line_loop

int line_loop

Definition at line 26 of file vertexbuffer.h.

line_strip

int line_strip

Definition at line 26 of file vertexbuffer.h.

lines

int lines

Definition at line 26 of file vertexbuffer.h.

Referenced by if(), and input_read_profiles().

modelview

float modelview[16]

Definition at line 19 of file vertexbuffer.h.

normal

Array * normal

Definition at line 18 of file vertexbuffer.h.

Referenced by box_boundary_level(), box_boundary_level(), height_normal(), planeBoxOverlap(), triBoxOverlap(), and vertex_buffer_glNormal3d().

nvertex

int nvertex

Definition at line 22 of file vertexbuffer.h.

polygon

int polygon

Definition at line 27 of file vertexbuffer.h.

position

Array* position

Definition at line 18 of file vertexbuffer.h.

Referenced by event_acceleration().

quads

int quads

Definition at line 27 of file vertexbuffer.h.

state

int state

Definition at line 28 of file vertexbuffer.h.

Referenced by half_column(), and vertex_buffer_glBegin().

type

int type

Definition at line 20 of file vertexbuffer.h.

Referenced by vertex_buffer_glEnd().

vertex

int vertex

Definition at line 22 of file vertexbuffer.h.

[struct]

struct { ... } VertexBuffer

Initial value:

= {
  .visible = false, 
  .modelview = { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1 }
}

Vertex buffers

They are used to store the vertex coordinates, normals and colors computed by the the OpenGL commands typically used by [draw.h]().

These vertex buffers are the minimal information required to render the objects.

In combination with the tiny implementation this allows to generate geometries using OpenGL commands but without any OpenGL library.

Referenced by display_command(), display_send(), foreach_visible(), vertex_buffer_free(), vertex_buffer_glBegin(), vertex_buffer_glColor3f(), vertex_buffer_glEnd(), vertex_buffer_glNormal3d(), vertex_buffer_glVertex2d(), vertex_buffer_glVertex3d(), vertex_buffer_push_index(), and vertex_buffer_setup().

visible

bool visible

Definition at line 23 of file vertexbuffer.h.