r_state.h File Reference

#include "r_program.h"
#include "r_material.h"
#include "r_framebuffer.h"
#include "r_light.h"

Include dependency graph for r_state.h:

This graph shows which files directly or indirectly include this file:

Data Structures
struct	gltexunit_s
	texunits maintain multitexture state More...
struct	rstate_t
Defines
#define	MAX_GL_ARRAY_LENGTH 0x40000
#define	MAX_GL_TEXUNITS 5
#define	texunit_0 r_state.texunits[0]
#define	texunit_1 r_state.texunits[1]
#define	texunit_2 r_state.texunits[2]
#define	texunit_3 r_state.texunits[3]
#define	texunit_4 r_state.texunits[4]
#define	texunit_diffuse texunit_0
#define	texunit_lightmap texunit_1
#define	texunit_deluxemap texunit_2
#define	texunit_normalmap texunit_3
#define	texunit_glowmap texunit_4
#define	texunit_specularmap texunit_1
#define	texunit_roughnessmap texunit_2
#define	DOWNSAMPLE_PASSES 5
#define	DOWNSAMPLE_SCALE 2
#define	fbo_screen NULL
#define	fbo_render r_state.renderBuffer
#define	fbo_bloom0 r_state.bloomBuffer0
#define	fbo_bloom1 r_state.bloomBuffer1
#define	default_program NULL
#define	R_BindTexture(tn) R_BindTextureDebug(tn, __FILE__, __LINE__, __PRETTY_FUNCTION__)
Typedefs
typedef struct gltexunit_s	gltexunit_t
	texunits maintain multitexture state
Functions
void	R_SetDefaultState (void)
void	R_Setup2D (void)
void	R_Setup3D (void)
void	R_TexEnv (GLenum value)
void	R_BlendFunc (GLenum src, GLenum dest)
qboolean	R_SelectTexture (gltexunit_t *texunit)
	Returns qfalse if the texunit is not supported.
void	R_BindTextureDebug (int texnum, const char file, int line, const char function)
void	R_BindTextureForTexUnit (GLuint texnum, gltexunit_t *texunit)
void	R_BindLightmapTexture (GLuint texnum)
void	R_BindDeluxemapTexture (GLuint texnum)
void	R_BindNormalmapTexture (GLuint texnum)
void	R_BindBuffer (GLenum target, GLenum type, GLuint id)
void	R_BindArray (GLenum target, GLenum type, const void *array)
void	R_BindDefaultArray (GLenum target)
	Binds the appropriate shared vertex array to the specified target.
void	R_EnableTexture (gltexunit_t *texunit, qboolean enable)
void	R_EnableBlend (qboolean enable)
void	R_EnableAlphaTest (qboolean enable)
void	R_EnableColorArray (qboolean enable)
qboolean	R_EnableLighting (r_program_t *program, qboolean enable)
	Enables hardware-accelerated lighting with the specified program. This should be called after any texture units which will be active for lighting have been enabled.
void	R_EnableBumpmap (const image_t *normalmap, qboolean enable)
	Enables bumpmapping and binds the given normalmap.
void	R_EnableWarp (r_program_t *program, qboolean enable)
void	R_EnableBlur (r_program_t program, qboolean enable, r_framebuffer_t source, r_framebuffer_t *dest, int dir)
void	R_EnableShell (qboolean enable)
void	R_EnableFog (qboolean enable)
void	R_EnableDrawAsGlow (qboolean enable)
void	R_EnableGlowMap (const image_t *image, qboolean enable)
void	R_EnableDynamicLights (const entity_t *ent, qboolean enable)
	Enable or disable realtime dynamic lighting.
void	R_EnableSpecularMap (const image_t *image, qboolean enable)
void	R_EnableRoughnessMap (const image_t *image, qboolean enable)
void	R_EnableAnimation (const mAliasMesh_t *mesh, float backlerp, qboolean enable)
	Enables animation using keyframe interpolation on the GPU.
Variables
const vec2_t	default_texcoords [4]
rstate_t	r_state

Detailed Description

Definition in file r_state.h.

Define Documentation

#define default_program NULL

Definition at line 73 of file r_state.h.

Referenced by R_BlurStack(), and R_DrawBloom().

#define DOWNSAMPLE_PASSES 5

Definition at line 65 of file r_state.h.

Referenced by R_DrawBloom(), and R_InitFBObjects().

#define DOWNSAMPLE_SCALE 2

Definition at line 66 of file r_state.h.

Referenced by R_InitFBObjects().

#define fbo_bloom0 r_state.bloomBuffer0

Definition at line 70 of file r_state.h.

Referenced by R_DrawBloom(), and R_InitFBObjects().

#define fbo_bloom1 r_state.bloomBuffer1

Definition at line 71 of file r_state.h.

Referenced by R_DrawBloom(), and R_InitFBObjects().

#define fbo_render r_state.renderBuffer

Definition at line 69 of file r_state.h.

Referenced by R_DrawBloom(), R_DrawQuad(), and R_EnableRenderbuffer().

#define fbo_screen NULL

Definition at line 68 of file r_state.h.

Referenced by R_DrawBloom(), R_EnableBlur(), and R_EnableRenderbuffer().

#define MAX_GL_ARRAY_LENGTH 0x40000

Definition at line 35 of file r_state.h.

Referenced by R_DrawBspNormals(), R_DrawSurfaceStage(), and R_LoadBspVertexArrays().

#define MAX_GL_TEXUNITS 5

Definition at line 47 of file r_state.h.

Referenced by R_SetDefaultState().

#define R_BindTexture ( tn ) R_BindTextureDebug(tn, __FILE__, __LINE__, __PRETTY_FUNCTION__)

#define texunit_0 r_state.texunits[0]

Definition at line 50 of file r_state.h.

Referenced by R_Blur(), R_BlurStack(), and R_DrawBloom().

#define texunit_1 r_state.texunits[1]

Definition at line 51 of file r_state.h.

Referenced by R_BlurStack(), R_DrawBloom(), and R_SphereShadeGLSL().

#define texunit_2 r_state.texunits[2]

Definition at line 52 of file r_state.h.

Referenced by R_SphereShadeGLSL().

#define texunit_3 r_state.texunits[3]

Definition at line 53 of file r_state.h.

#define texunit_4 r_state.texunits[4]

Definition at line 54 of file r_state.h.

#define texunit_deluxemap texunit_2

Definition at line 58 of file r_state.h.

Referenced by R_BindDeluxemapTexture().

#define texunit_diffuse texunit_0

#define texunit_glowmap texunit_4

Definition at line 60 of file r_state.h.

Referenced by R_EnableGlowMap().

#define texunit_lightmap texunit_1

Definition at line 57 of file r_state.h.

Referenced by R_ArraysMask(), R_BindLightmapTexture(), R_DrawBlendSurfaces(), R_DrawFlatGeoscape(), R_DrawMaterialSurfaces(), R_DrawOpaqueSurfaces(), R_DrawSurfaceStage(), R_EnableBlur(), R_EnableTexture(), R_EnableWarp(), R_ResetArrayState(), R_SetSurfaceState(), R_SetVertexArrayState(), R_SetVertexBufferState(), R_SphereShade(), and R_StageLighting().

#define texunit_normalmap texunit_3

Definition at line 59 of file r_state.h.

Referenced by R_BindNormalmapTexture().

#define texunit_roughnessmap texunit_2

Definition at line 62 of file r_state.h.

Referenced by R_EnableRoughnessMap().

#define texunit_specularmap texunit_1

Definition at line 61 of file r_state.h.

Referenced by R_EnableSpecularMap().

Typedef Documentation

typedef struct gltexunit_s gltexunit_t

texunits maintain multitexture state

Function Documentation

void R_BindArray	(	GLenum	target,
		GLenum	type,
		const void *	array
	)

Definition at line 102 of file r_state.c.

References GL_NEXT_NORMAL_ARRAY, GL_NEXT_TANGENT_ARRAY, GL_NEXT_VERTEX_ARRAY, GL_TANGENT_ARRAY, and R_AttributePointer().

Referenced by R_BindBuffer(), R_BindDefaultArray(), R_DrawAliasStatic(), R_DrawFlatGeoscape(), R_DrawImageArray(), R_EnableAnimation(), R_SetVertexArrayState(), R_SphereActivateTextureUnit(), R_SphereShade(), and R_SphereShadeGLSL().

void R_BindBuffer	(	GLenum	target,
		GLenum	type,
		GLuint	id
	)

Definition at line 165 of file r_state.c.

References cvar_s::integer, R_BindArray(), and r_vertexbuffers.

Referenced by R_ResetArrayState(), and R_SetVertexBufferState().

void R_BindDefaultArray ( GLenum target )

Binds the appropriate shared vertex array to the specified target.

Definition at line 135 of file r_state.c.

References rstate_t::active_texunit, rstate_t::color_array, GL_NEXT_NORMAL_ARRAY, GL_NEXT_TANGENT_ARRAY, GL_NEXT_VERTEX_ARRAY, GL_TANGENT_ARRAY, rstate_t::next_normal_array, rstate_t::next_tangent_array, rstate_t::next_vertex_array_3d, rstate_t::normal_array, R_BindArray(), r_state, rstate_t::tangent_array, gltexunit_s::texcoord_array, and rstate_t::vertex_array_3d.

Referenced by R_DrawAliasStatic(), R_DrawChars(), R_DrawFlatGeoscape(), R_DrawImageArray(), R_ResetArrayState(), R_SetDefaultState(), R_Setup2D(), R_Setup3D(), R_SphereDeactivateTextureUnit(), and R_SphereRender().

void R_BindDeluxemapTexture ( GLuint texnum )

Definition at line 92 of file r_state.c.

References R_BindTextureForTexUnit(), and texunit_deluxemap.

Referenced by R_SetSurfaceBumpMappingParameters().

void R_BindLightmapTexture ( GLuint texnum )

Definition at line 87 of file r_state.c.

References R_BindTextureForTexUnit(), and texunit_lightmap.

Referenced by R_DrawFlatGeoscape(), R_SetSurfaceState(), R_SphereShade(), and R_StageLighting().

void R_BindNormalmapTexture ( GLuint texnum )

Definition at line 97 of file r_state.c.

References R_BindTextureForTexUnit(), and texunit_normalmap.

Referenced by R_EnableBumpmap().

void R_BindTextureDebug	(	int	texnum,
		const char *	file,
		int	line,
		const char *	function
	)

Definition at line 66 of file r_state.c.

References Com_Printf(), and R_BindTexture_().

void R_BindTextureForTexUnit	(	GLuint	texnum,
		gltexunit_t *	texunit
	)

Definition at line 74 of file r_state.c.

References R_BindTexture, R_SelectTexture(), gltexunit_s::texnum, and texunit_diffuse.

Referenced by R_BindDeluxemapTexture(), R_BindLightmapTexture(), R_BindNormalmapTexture(), R_Blur(), R_BlurStack(), R_DrawBloom(), R_EnableGlowMap(), R_EnableRoughnessMap(), R_EnableSpecularMap(), and R_SphereShadeGLSL().

void R_BlendFunc	(	GLenum	src,
		GLenum	dest
	)

Definition at line 179 of file r_state.c.

References rstate_t::blend_dest, rstate_t::blend_src, and r_state.

Referenced by R_DrawCoronas(), R_DrawMaterialSurfaces(), R_DrawParticles(), R_EnableShell(), R_SetBlendMode(), R_SetDefaultState(), and R_SetSurfaceStageState().

void R_EnableAlphaTest ( qboolean enable )

Definition at line 206 of file r_state.c.

References rstate_t::alpha_test_enabled, and r_state.

Referenced by R_DrawAlphaTestSurfaces().

void R_EnableAnimation	(	const mAliasMesh_t *	mesh,
		float	backlerp,
		qboolean	enable
	)

Enables animation using keyframe interpolation on the GPU.

Parameters:

	mesh	The mesh to animate
	backlerp	The temporal proximity to the previous keyframe (in the range 0.0 to 1.0)
	enable	Whether to turn animation on or off

Definition at line 364 of file r_state.c.

References rstate_t::animation_enabled, GL_NEXT_NORMAL_ARRAY, GL_NEXT_TANGENT_ARRAY, GL_NEXT_VERTEX_ARRAY, GL_TANGENT_ARRAY, cvar_s::integer, rstate_t::lighting_enabled, mAliasMesh_s::next_normals, mAliasMesh_s::next_tangents, mAliasMesh_s::next_verts, mAliasMesh_s::normals, R_BindArray(), R_DisableAttribute(), R_EnableAttribute(), R_ProgramParameter1f(), R_ProgramParameter1i(), r_programs, r_state, mAliasMesh_s::tangents, mAliasMesh_s::texcoords, and mAliasMesh_s::verts.

Referenced by R_DrawAliasFrameLerp().

void R_EnableBlend ( qboolean enable )

Definition at line 190 of file r_state.c.

References rstate_t::blend_enabled, and r_state.

Referenced by R_DrawBlendMeshEntities(), R_DrawBspModelSurfaces(), R_DrawEntityEffects(), R_DrawSpecialEntities(), R_EnableShell(), and R_RenderFrame().

void R_EnableBlur	(	r_program_t *	program,
		qboolean	enable,
		r_framebuffer_t *	source,
		r_framebuffer_t *	dest,
		int	dir
	)

Definition at line 457 of file r_state.c.

References rstate_t::blur_enabled, fbo_screen, r_program_s::id, cvar_s::integer, r_postprocess, r_programs, R_SelectTexture(), r_state, R_UseFramebuffer(), R_UseProgram(), texunit_diffuse, texunit_lightmap, r_program_s::userdata, and r_framebuffer_t::width.

Referenced by R_Blur().

void R_EnableBumpmap	(	const image_t *	normalmap,
		qboolean	enable
	)

Enables bumpmapping and binds the given normalmap.

Note:: Don't forget to bind the deluxe map, too.

See also:: R_BindDeluxemapTexture

Definition at line 399 of file r_state.c.

References rstate_t::bumpmap_enabled, rstate_t::lighting_enabled, R_BindNormalmapTexture(), r_bumpmap, R_DisableAttribute(), R_EnableAttribute(), R_ProgramParameter1f(), R_ProgramParameter1i(), r_state, image_s::texnum, and cvar_s::value.

Referenced by R_DrawMaterialSurfaces(), R_DrawSurfaces(), and R_SetSurfaceBumpMappingParameters().

void R_EnableColorArray ( qboolean enable )

Definition at line 248 of file r_state.c.

References rstate_t::color_array_enabled, and r_state.

Referenced by R_DrawCoronas(), R_DrawFlareSurfaces(), R_DrawMaterialSurfaces(), R_SetDefaultState(), and R_SetSurfaceStageState().

void R_EnableDrawAsGlow ( qboolean enable )

Definition at line 577 of file r_state.c.

References rstate_t::draw_glow_enabled, GLenum, rstate_t::glowmap_enabled, cvar_s::integer, R_BindColorAttachments(), R_DrawBuffers(), r_postprocess, and r_state.

Referenced by R_EnableShell().

void R_EnableDynamicLights	(	const entity_t *	ent,
		qboolean	enable
	)

Enable or disable realtime dynamic lighting.

Parameters:

	ent	The entity to enable/disable lighting for
	enable	Whether to turn realtime lighting on or off

Definition at line 297 of file r_state.c.

References r_light_s::ambientColor, rstate_t::bumpmap_enabled, r_light_s::constantAttenuation, r_light_s::diffuseColor, rstate_t::dynamic_lighting_enabled, r_light_s::enabled, rstate_t::glowmap_enabled, i, cvar_s::integer, rstate_t::lighting_enabled, r_light_s::linearAttenuation, r_light_s::loc, rstate_t::numActiveLights, qfalse, qtrue, r_light_s::quadraticAttenuation, R_DisableAttribute(), r_dynamic_lights, R_EnableAttribute(), R_ProgramParameter1f(), R_ProgramParameter1i(), r_state, and r_light_s::specularColor.

Referenced by R_DrawMaterialSurfaces().

void R_EnableFog ( qboolean enable )

Definition at line 518 of file r_state.c.

References rstate_t::fog_enabled, rendererData_t::fogColor, cvar_s::integer, qfalse, qtrue, r_fog, r_state, refdef, rendererData_t::weather, and WEATHER_FOG.

Referenced by R_DrawBspModelSurfaces(), R_DrawMaterialSurfaces(), R_RenderFrame(), and R_SetSurfaceStageState().

void R_EnableGlowMap	(	const image_t *	image,
		qboolean	enable
	)

Definition at line 539 of file r_state.c.

References rstate_t::active_program, rstate_t::draw_glow_enabled, GLenum, rstate_t::glowmap_enabled, cvar_s::integer, R_BindColorAttachments(), R_BindTextureForTexUnit(), R_DrawBuffers(), r_postprocess, R_ProgramParameter1f(), r_state, R_UseProgram(), rstate_t::simple_glow_program, image_s::texnum, and texunit_glowmap.

Referenced by R_DrawMaterialSurfaces(), R_DrawSurfaces(), R_SetSurfaceState(), and R_StageGlow().

qboolean R_EnableLighting	(	r_program_t *	program,
		qboolean	enable
	)

Enables hardware-accelerated lighting with the specified program. This should be called after any texture units which will be active for lighting have been enabled.

Definition at line 266 of file r_state.c.

References rstate_t::active_program, r_program_s::id, cvar_s::integer, rstate_t::lighting_enabled, r_lights, r_programs, r_state, and R_UseProgram().

Referenced by R_DrawAlphaTestSurfaces(), R_DrawBlendMeshEntities(), R_DrawMaterialSurfaces(), R_DrawOpaqueMeshEntities(), R_DrawOpaqueSurfaces(), R_SphereShadeGLSL(), and R_StageLighting().