gpu_old.c File Reference

#include <stdlib.h>
#include <string.h>
#include <3ds/types.h>
#include <3ds/gpu/gpu.h>
#include <3ds/gpu/gx.h>
#include <3ds/gpu/shbin.h>
#include "gpu_old.h"

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Functions
void	GPU_Init (Handle *gsphandle)
	Initializes the GPU. More...
void	GPU_Reset (u32 *gxbuf, u32 *gpuBuf, u32 gpuBufSize)
	Resets the GPU. More...
void	GPU_SetFloatUniform (GPU_SHADER_TYPE type, u32 startreg, u32 *data, u32 numreg)
	Sets a shader float uniform. More...
void	GPU_SetViewport (u32 *depthBuffer, u32 *colorBuffer, u32 x, u32 y, u32 w, u32 h)
	Sets the viewport. More...
void	GPU_SetScissorTest (GPU_SCISSORMODE mode, u32 left, u32 bottom, u32 right, u32 top)
	Sets the current scissor test mode. More...
void	GPU_DepthMap (float zScale, float zOffset)
	Sets the depth map. More...
void	GPU_SetAlphaTest (bool enable, GPU_TESTFUNC function, u8 ref)
	Sets the alpha test parameters. More...
void	GPU_SetStencilTest (bool enable, GPU_TESTFUNC function, u8 ref, u8 input_mask, u8 write_mask)
	Sets the stencil test parameters. More...
void	GPU_SetStencilOp (GPU_STENCILOP sfail, GPU_STENCILOP dfail, GPU_STENCILOP pass)
	Sets the stencil test operators. More...
void	GPU_SetDepthTestAndWriteMask (bool enable, GPU_TESTFUNC function, GPU_WRITEMASK writemask)
	Sets the depth test parameters and pixel write mask. More...
void	GPU_SetAlphaBlending (GPU_BLENDEQUATION colorEquation, GPU_BLENDEQUATION alphaEquation, GPU_BLENDFACTOR colorSrc, GPU_BLENDFACTOR colorDst, GPU_BLENDFACTOR alphaSrc, GPU_BLENDFACTOR alphaDst)
	Sets the alpha blending parameters. More...
void	GPU_SetColorLogicOp (GPU_LOGICOP op)
	Sets the color logic operator. More...
void	GPU_SetBlendingColor (u8 r, u8 g, u8 b, u8 a)
	Sets the blending color. More...
void	GPU_SetTextureEnable (GPU_TEXUNIT units)
	Sets the enabled texture units. More...
void	GPU_SetTexture (GPU_TEXUNIT unit, u32 *data, u16 width, u16 height, u32 param, GPU_TEXCOLOR colorType)
	Sets the texture data of a texture unit. More...
void	GPU_SetTextureBorderColor (GPU_TEXUNIT unit, u32 borderColor)
	Sets the border color of a texture unit. More...
void	GPU_SetAttributeBuffers (u8 totalAttributes, u32 *baseAddress, u64 attributeFormats, u16 attributeMask, u64 attributePermutation, u8 numBuffers, u32 bufferOffsets[], u64 bufferPermutations[], u8 bufferNumAttributes[])
	Sets the VBO attribute buffers. More...
void	GPU_SetAttributeBuffersAddress (u32 *baseAddress)
void	GPU_SetFaceCulling (GPU_CULLMODE mode)
	Sets the face culling mode. More...
void	GPU_SetCombinerBufferWrite (u8 rgb_config, u8 alpha_config)
	Sets the combiner buffer write parameters. More...
void	GPU_SetTexEnv (u8 id, u16 rgbSources, u16 alphaSources, u16 rgbOperands, u16 alphaOperands, GPU_COMBINEFUNC rgbCombine, GPU_COMBINEFUNC alphaCombine, u32 constantColor)
	Sets the parameters of a texture combiner. More...
void	GPU_DrawArray (GPU_Primitive_t primitive, u32 first, u32 count)
	Draws an array of vertex data. More...
void	GPU_DrawElements (GPU_Primitive_t primitive, u32 *indexArray, u32 n)
	Draws vertex elements. More...
void	GPU_FinishDrawing ()
	Finishes drawing. More...
void	GPU_Finalize (void)

Variables
const u8	GPU_FORMATSIZE [4] ={1,1,2,4}
const u8	GPU_TEVID [] ={0xC0,0xC8,0xD0,0xD8,0xF0,0xF8}

Function Documentation

GPU_DepthMap()

void GPU_DepthMap	(	float	zScale,
		float	zOffset
	)

Sets the depth map.

Parameters

zScale	Z scale to use.
zOffset	Z offset to use.

Deprecated:

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GPU_DrawArray()

void GPU_DrawArray	(	GPU_Primitive_t	primitive,
		u32	first,
		u32	count
	)

Draws an array of vertex data.

Parameters

primitive	Primitive to draw.
first	First vertex to draw.
count	Number of vertices to draw.

Deprecated:

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GPU_DrawElements()

void GPU_DrawElements	(	GPU_Primitive_t	primitive,
		u32 *	indexArray,
		u32	n
	)

Draws vertex elements.

Parameters

primitive	Primitive to draw.
indexArray	Array of vertex indices to use.
n	Number of vertices to draw.

Deprecated:

GPU_Finalize()

void GPU_Finalize

(

void

)

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GPU_FinishDrawing()

void GPU_FinishDrawing

(

)

Finishes drawing.

Deprecated:

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GPU_Init()

void GPU_Init

(

Handle *

gsphandle

)

Initializes the GPU.

Parameters

gsphandle

GSP handle to use.

Deprecated:

GPU_Reset()

void GPU_Reset	(	u32 *	gxbuf,
		u32 *	gpuBuf,
		u32	gpuBufSize
	)

Resets the GPU.

Parameters

gxbuf	GX command buffer to use.
gpuBuf	GPU command buffer to use.
gpuBufSize	GPU command buffer size.

Deprecated:

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GPU_SetAlphaBlending()

void GPU_SetAlphaBlending	(	GPU_BLENDEQUATION	colorEquation,
		GPU_BLENDEQUATION	alphaEquation,
		GPU_BLENDFACTOR	colorSrc,
		GPU_BLENDFACTOR	colorDst,
		GPU_BLENDFACTOR	alphaSrc,
		GPU_BLENDFACTOR	alphaDst
	)

Sets the alpha blending parameters.

Note

Cannot be used with GPU_SetColorLogicOp.

Parameters

colorEquation	Blend equation to use for color components.
alphaEquation	Blend equation to use for the alpha component.
colorSrc	Source factor of color components.
colorDst	Destination factor of color components.
alphaSrc	Source factor of the alpha component.
alphaDst	Destination factor of the alpha component.

Deprecated:

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GPU_SetAlphaTest()

void GPU_SetAlphaTest	(	bool	enable,
		GPU_TESTFUNC	function,
		u8	ref
	)

Sets the alpha test parameters.

Parameters

enable	Whether to enable alpha testing.
function	Test function to use.
ref	Reference value to use.

Deprecated:

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GPU_SetAttributeBuffers()

void GPU_SetAttributeBuffers	(	u8	totalAttributes,
		u32 *	baseAddress,
		u64	attributeFormats,
		u16	attributeMask,
		u64	attributePermutation,
		u8	numBuffers,
		u32	bufferOffsets[],
		u64	bufferPermutations[],
		u8	bufferNumAttributes[]
	)

Sets the VBO attribute buffers.

Parameters

totalAttributes	Total number of attributes.
baseAddress	Base address of the VBO.
attributeFormats	Attribute format data.
attributeMask	Attribute mask.
attributePermutation	Attribute permutations.
numBuffers	Number of buffers.
bufferOffsets	Offsets of the buffers.
bufferPermutations	Buffer permutations.
bufferNumAttributes	Numbers of attributes of the buffers.

Deprecated:

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GPU_SetAttributeBuffersAddress()

void GPU_SetAttributeBuffersAddress

(

u32 *

baseAddress

)

GPU_SetBlendingColor()

void GPU_SetBlendingColor	(	u8	r,
		u8	g,
		u8	b,
		u8	a
	)

Sets the blending color.

Parameters

r	Red component.
g	Green component.
b	Blue component.
a	Alpha component.

Deprecated:

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GPU_SetColorLogicOp()

void GPU_SetColorLogicOp

(

GPU_LOGICOP

op

)

Sets the color logic operator.

Note

Cannot be used with GPU_SetAlphaBlending.

Parameters

op	Operator to set.

Deprecated:

GPU_SetCombinerBufferWrite()

void GPU_SetCombinerBufferWrite	(	u8	rgb_config,
		u8	alpha_config
	)

Sets the combiner buffer write parameters.

Note

Use GPU_TEV_BUFFER_WRITE_CONFIG to build the parameters.

Only the first four TEV stages can write to the combiner buffer.

Parameters

rgb_config	RGB configuration to use.
alpha_config	Alpha configuration to use.

Deprecated:

GPU_SetDepthTestAndWriteMask()

void GPU_SetDepthTestAndWriteMask	(	bool	enable,
		GPU_TESTFUNC	function,
		GPU_WRITEMASK	writemask
	)

Sets the depth test parameters and pixel write mask.

Note

GPU_WRITEMASK values can be ORed together.

Parameters

enable	Whether to enable depth testing.
function	Test function to use.
writemask	Pixel write mask to use.

Deprecated:

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GPU_SetFaceCulling()

void GPU_SetFaceCulling

(

GPU_CULLMODE

mode

)

Sets the face culling mode.

Parameters

mode	Face culling mode to use.

Deprecated:

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GPU_SetFloatUniform()

void GPU_SetFloatUniform	(	GPU_SHADER_TYPE	type,
		u32	startreg,
		u32 *	data,
		u32	numreg
	)

Sets a shader float uniform.

Parameters

type	Type of shader to set the uniform of.
startreg	Start of the uniform register to set.
data	Data to set.
numreg	Number of registers to set.

Deprecated:

GPU_SetScissorTest()

void GPU_SetScissorTest	(	GPU_SCISSORMODE	mode,
		u32	left,
		u32	bottom,
		u32	right,
		u32	top
	)

Sets the current scissor test mode.

Parameters

mode	Scissor test mode to use.
x	X of the scissor region.
y	Y of the scissor region.
w	Width of the scissor region.
h	Height of the scissor region.

Deprecated:

GPU_SetStencilOp()

void GPU_SetStencilOp	(	GPU_STENCILOP	sfail,
		GPU_STENCILOP	dfail,
		GPU_STENCILOP	pass
	)

Sets the stencil test operators.

Parameters

sfail	Operator to use on source test failure.
dfail	Operator to use on destination test failure.
pass	Operator to use on test passing.

Deprecated:

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GPU_SetStencilTest()

void GPU_SetStencilTest	(	bool	enable,
		GPU_TESTFUNC	function,
		u8	ref,
		u8	input_mask,
		u8	write_mask
	)

Sets the stencil test parameters.

Parameters

enable	Whether to enable stencil testing.
function	Test function to use.
ref	Reference value to use.
input_mask	Input mask to use.
write_mask	Write mask to use.

Deprecated:

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GPU_SetTexEnv()

void GPU_SetTexEnv	(	u8	id,
		u16	rgbSources,
		u16	alphaSources,
		u16	rgbOperands,
		u16	alphaOperands,
		GPU_COMBINEFUNC	rgbCombine,
		GPU_COMBINEFUNC	alphaCombine,
		u32	constantColor
	)

Sets the parameters of a texture combiner.

Parameters

id	ID of the combiner.
rgbSources	RGB source configuration.
alphaSources	Alpha source configuration.
rgbOperands	RGB operand configuration.
alphaOperands	Alpha operand configuration.
rgbCombine	RGB combiner function.
alphaCombine	Alpha combiner function.
constantColor	Constant color to provide.

Deprecated:

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GPU_SetTexture()

void GPU_SetTexture	(	GPU_TEXUNIT	unit,
		u32 *	data,
		u16	width,
		u16	height,
		u32	param,
		GPU_TEXCOLOR	colorType
	)

Sets the texture data of a texture unit.

Parameters

unit	Texture unit to use.
data	Data to load. Must be in linear memory or VRAM.
width	Width of the texture.
height	Height of the texture.
Parameters	of the texture, such as filters and wrap modes.
colorType	Color type of the texture.

Deprecated:

GPU_SetTextureBorderColor()

void GPU_SetTextureBorderColor	(	GPU_TEXUNIT	unit,
		u32	borderColor
	)

Sets the border color of a texture unit.

Parameters

unit	Texture unit to use.
borderColor	The color used for the border when using the GPU_CLAMP_TO_BORDER wrap mode.

Deprecated:

GPU_SetTextureEnable()

void GPU_SetTextureEnable

(

GPU_TEXUNIT

units

)

Sets the enabled texture units.

Parameters

units

Units to enable. OR texture unit values together to create this value.

Deprecated:

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GPU_SetViewport()

void GPU_SetViewport	(	u32 *	depthBuffer,
		u32 *	colorBuffer,
		u32	x,
		u32	y,
		u32	w,
		u32	h
	)

Sets the viewport.

Parameters

depthBuffer	Buffer to output depth data to.
colorBuffer	Buffer to output color data to.
x	X of the viewport.
y	Y of the viewport.
w	Width of the viewport.
h	Height of the viewport.

Deprecated:

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Variable Documentation

GPU_FORMATSIZE

const u8 GPU_FORMATSIZE[4] ={1,1,2,4}

GPU_TEVID

const u8 GPU_TEVID[] ={0xC0,0xC8,0xD0,0xD8,0xF0,0xF8}