Example #1
0
void initPlayer(player_s* p)
{
	if(!p)return;

	initPhysicalPoint(&p->object, vect3Df(0,0,0), PLAYER_RADIUS);
	initCamera(&p->camera);
	md2InstanceInit(&p->gunInstance, &gunModel, &gunTextureOrange);
	md2InstanceInit(&p->ratmanInstance, &ratmanModel, &ratmanTexture);

	p->ratmanInstance.speed=0.1f;

	p->oldInPortal = p->inPortal = false;

	passthroughDvlb = DVLB_ParseFile((u32*)passthrough_vsh_shbin, passthrough_vsh_shbin_size);
	shaderProgramInit(&passthroughProgram);

	if(!passthroughDvlb)return;

	shaderProgramSetVsh(&passthroughProgram, &passthroughDvlb->DVLE[0]);

	rectangleVertexData = linearAlloc(sizeof(rectangleData));
	memcpy(rectangleVertexData, rectangleData, sizeof(rectangleData));

	crosshairVertexData = linearAlloc(sizeof(crosshairData));
	memcpy(crosshairVertexData, crosshairData, sizeof(crosshairData));

	p->flying = false;
	p->life = 80;
	p->walkCnt1 = 0;
	p->walkCnt2 = 0;
}
Example #2
0
void initEmancipation(void)
{
	int i;
	for(i=0;i<NUMEMANCIPATORS;i++)
	{
		emancipators[i].used=false;
	}
	for(i=0;i<NUMEMANCIPATIONGRIDS;i++)
	{
		emancipationGrids[i].used=false;
	}
	
	md2ReadModel(&gridModel, "grid.md2");
	textureLoad(&gridTexture, "balllauncher.png", GPU_TEXTURE_MAG_FILTER(GPU_LINEAR)|GPU_TEXTURE_MIN_FILTER(GPU_LINEAR), 0);
	textureLoad(&gridSurfaceTexture, "grid.png", GPU_TEXTURE_MAG_FILTER(GPU_LINEAR)|GPU_TEXTURE_MIN_FILTER(GPU_LINEAR)|GPU_TEXTURE_WRAP_S(GPU_REPEAT)|GPU_TEXTURE_WRAP_T(GPU_REPEAT), 0);
	md2InstanceInit(&gridInstance, &gridModel, &gridTexture);

	emancipationRectangleVertexData = linearAlloc(sizeof(emancipationRectangleData));
	memcpy(emancipationRectangleVertexData, emancipationRectangleData, sizeof(emancipationRectangleData));

	emancipationDvlb = DVLB_ParseFile((u32*)emancipation_vsh_shbin, emancipation_vsh_shbin_size);
	if(!emancipationDvlb)return;
	shaderProgramInit(&emancipationProgram);
	shaderProgramSetVsh(&emancipationProgram, &emancipationDvlb->DVLE[0]);

	emancipationUniformTextureDimensions = shaderInstanceGetUniformLocation(emancipationProgram.vertexShader, "textureDimensions");

	emancipationSFX=createSFX("emancipation.raw", SOUND_FORMAT_16BIT);
}
Example #3
0
void glShaderBinary(GLsizei count, const GLuint *shaders, GLenum binaryFormat, const void *binary, GLsizei length) {
	if (count != 1 || shaders == 0 || binary == 0 || length <= 0) {
		return;
	}
	DVLB_s *dvlb = DVLB_ParseFile((u32*)binary, length);
	ctr_handle_set(CTR_HANDLE_SHADER, *shaders, dvlb);
}
Example #4
0
void glShaderSource(GLuint shader, GLsizei count, const GLchar **string, const GLint *length) {
	if (count != 1) {
		return;
	}
	DVLB_s *dvlb = DVLB_ParseFile((u32*)string, *length);
	ctr_handle_set(CTR_HANDLE_SHADER, shader, dvlb);
}
void TextEngine::Initialize(gfxScreen_t scn) {
	//The two screens are different sizes
	if(scn == GFX_TOP) {
		target = C3D_RenderTargetCreate(240, 400, GPU_RB_RGBA8, GPU_RB_DEPTH24_STENCIL8);
	} else {
		target = C3D_RenderTargetCreate(240, 320, GPU_RB_RGBA8, GPU_RB_DEPTH24_STENCIL8);
	}
	C3D_RenderTargetSetClear(target, C3D_CLEAR_ALL, CLEAR_COLOR, 0);
	C3D_RenderTargetSetOutput(target, scn, GFX_LEFT, DISPLAY_TRANSFER_FLAGS);

	Result res = fontEnsureMapped();

	if (R_FAILED(res))
		printf("fontEnsureMapped: %08lX\n", res);

	vshader_dvlb = DVLB_ParseFile((u32*)vshader_v_shbin, vshader_v_shbin_size);
	shaderProgramInit(&program);
	shaderProgramSetVsh(&program, &vshader_dvlb->DVLE[0]);
	C3D_BindProgram(&program);

	// Get the location of the uniforms
	uLoc_projection = shaderInstanceGetUniformLocation(program.vertexShader, "projection");

	// Configure attributes for use with the vertex shader
	C3D_AttrInfo* attrInfo = C3D_GetAttrInfo();
	AttrInfo_Init(attrInfo);
	AttrInfo_AddLoader(attrInfo, 0, GPU_FLOAT, 3); // v0=position
	AttrInfo_AddLoader(attrInfo, 1, GPU_FLOAT, 2); // v1=texcoord

	if(scn == GFX_TOP) {
		// Compute the projection matrix
		Mtx_OrthoTilt(&projection, 0.0, 400.0, 240.0, 0.0, 0.0, 1.0);
	} else {
		Mtx_OrthoTilt(&projection, 0.0, 320.0, 240.0, 0.0, 0.0, 1.0);
	}
	
	// Configure depth test to overwrite pixels with the same depth (needed to draw overlapping glyphs)
	C3D_DepthTest(true, GPU_GEQUAL, GPU_WRITE_ALL);

	// Load the glyph texture sheets
	int i;
	TGLP_s* glyphInfo = fontGetGlyphInfo();
	glyphSheets = malloc(sizeof(C3D_Tex)*glyphInfo->nSheets);
	for (i = 0; i < glyphInfo->nSheets; i ++)
	{
		C3D_Tex* tex = &glyphSheets[i];
		tex->data = fontGetGlyphSheetTex(i);
		tex->fmt = glyphInfo->sheetFmt;
		tex->size = glyphInfo->sheetSize;
		tex->width = glyphInfo->sheetWidth;
		tex->height = glyphInfo->sheetHeight;
		tex->param = GPU_TEXTURE_MAG_FILTER(GPU_LINEAR) | GPU_TEXTURE_MIN_FILTER(GPU_LINEAR)
			| GPU_TEXTURE_WRAP_S(GPU_CLAMP_TO_EDGE) | GPU_TEXTURE_WRAP_T(GPU_CLAMP_TO_EDGE);
	}

	// Create the text vertex array
	textVtxArray = (textVertex_s*)linearAlloc(sizeof(textVertex_s)*TEXT_VTX_ARRAY_COUNT);
}
Example #6
0
void roomInit()
{
	roomDvlb = DVLB_ParseFile((u32*)room_vsh_shbin, room_vsh_shbin_size);

	if(!roomDvlb)return;

	shaderProgramInit(&roomProgram);
	shaderProgramSetVsh(&roomProgram, &roomDvlb->DVLE[0]);

	roomUniformTextureDimensions = shaderInstanceGetUniformLocation(roomProgram.vertexShader, "textureDimensions");
}
Example #7
0
static void sceneInit(void)
{
	// Load the shaders and create a shader program
	// The geoshader stride is set to 6 so that it processes a triangle at a time
	vshader_dvlb = DVLB_ParseFile((u32*)vshader_shbin, vshader_shbin_size);
	gshader_dvlb = DVLB_ParseFile((u32*)gshader_shbin, gshader_shbin_size);
	shaderProgramInit(&program);
	shaderProgramSetVsh(&program, &vshader_dvlb->DVLE[0]);
	shaderProgramSetGsh(&program, &gshader_dvlb->DVLE[0], 6);

	// Get the location of the projection matrix uniform
	uLoc_projection = shaderInstanceGetUniformLocation(program.geometryShader, "projection");

	// Compute the projection matrix
	m4x4_ortho_tilt(&projection, 0.0, 400.0, 0.0, 240.0, 0.0, 1.0);

	// Create the VBO (vertex buffer object)
	vbo_data = linearAlloc(sizeof(vertex_list));
	memcpy(vbo_data, vertex_list, sizeof(vertex_list));
}
Example #8
0
File: sf2d.c Project: Voka/lpp-3ds
int sf2d_init_advanced(int gpucmd_size, int temppool_size)
{
	if (sf2d_initialized) return 0;

	gpu_fb_addr       = vramMemAlign(400*240*8, 0x100);
	gpu_depth_fb_addr = vramMemAlign(400*240*8, 0x100);
	gpu_cmd           = linearAlloc(gpucmd_size * 4);
	pool_addr         = linearAlloc(temppool_size);
	pool_size         = temppool_size;
	gpu_cmd_size      = gpucmd_size;

	//gfxInitDefault();
	GPU_Init(NULL);
	//gfxSet3D(false);
	GPU_Reset(NULL, gpu_cmd, gpucmd_size);

	//Setup the shader
	dvlb = DVLB_ParseFile((u32 *)shader_vsh_shbin, shader_vsh_shbin_size);
	shaderProgramInit(&shader);
	shaderProgramSetVsh(&shader, &dvlb->DVLE[0]);

	//Get shader uniform descriptors
	projection_desc = shaderInstanceGetUniformLocation(shader.vertexShader, "projection");

	shaderProgramUse(&shader);

	matrix_init_orthographic(ortho_matrix_top, 0.0f, 400.0f, 0.0f, 240.0f, 0.0f, 1.0f);
	matrix_init_orthographic(ortho_matrix_bot, 0.0f, 320.0f, 0.0f, 240.0f, 0.0f, 1.0f);
	matrix_gpu_set_uniform(ortho_matrix_top, projection_desc);

	//Register the apt callback hook
	//aptHook(&apt_hook_cookie, apt_hook_func, NULL);

	vblank_wait = 1;
	current_fps = 0.0f;
	frames = 0;
	last_time = osGetTime();

	cur_screen = GFX_TOP;
	cur_side = GFX_LEFT;

	GPUCMD_Finalize();
	GPUCMD_FlushAndRun();
	gspWaitForP3D();

	sf2d_pool_reset();

	sf2d_initialized = 1;

	return 1;
}
Example #9
0
void portalInit()
{
	portalDvlb = DVLB_ParseFile((u32*)portal_vsh_shbin, portal_vsh_shbin_size);

	if(!portalDvlb)return;

	shaderProgramInit(&portalProgram);
	shaderProgramSetVsh(&portalProgram, &portalDvlb->DVLE[0]);

	generatePortalGeometry(&portalVertexData, &portalNumVertices, &portalOutlineVertexData, &portalOutlineNumVertices);

	int i;
	for(i=0; i<NUM_PORTALS; i++)initPortal(&portals[i]);
}
Example #10
0
void init_gpu_stuff() {
	// Load the vertex shader, create a shader program and bind it
	vshader_dvlb = DVLB_ParseFile((u32*) vshader_shbin, vshader_shbin_size);
	shaderProgramInit(&program);
	shaderProgramSetVsh(&program, &vshader_dvlb->DVLE[0]);
	C3D_BindProgram(&program);

	// Get the location of the uniforms
	proj_uloc = shaderInstanceGetUniformLocation(program.vertexShader, "projection");

	// Configure attributes for use with the vertex shader
	// Attribute format and element count are ignored in immediate mode
	C3D_AttrInfo* attrInfo = C3D_GetAttrInfo();
	AttrInfo_Init(attrInfo);
	AttrInfo_AddLoader(attrInfo, 0, GPU_FLOAT, 3); // v0=position
	AttrInfo_AddLoader(attrInfo, 1, GPU_FLOAT, 2); // v1=texcoord
	AttrInfo_AddLoader(attrInfo, 2, GPU_FLOAT, 4); // v2=color

	// Compute the projection matrix
	// Note: we're setting top to 240 here so origin is at top left.
	Mtx_OrthoTilt(&proj_mat, 0.0, 400.0, 240.0, 0.0, 0.0, 1.0, true);

	// Configure buffers
	C3D_BufInfo* bufInfo = C3D_GetBufInfo();
	BufInfo_Init(bufInfo);

	// Load textures
	load_texture(&background_tex, background_png, background_png_size);
	load_texture(&empty_tex, empty_png, empty_png_size);
	load_texture(&frame_tex, frame_png, frame_png_size);
	load_texture(&text_tex, ui_font_png, ui_font_png_size);
	load_texture(&tileset_tex, tileset_png, tileset_png_size);
	load_texture(&outline_tex, outline_png, outline_png_size);

	// Configure the first fragment shading substage to just pass through the texture color
	// See https://www.opengl.org/sdk/docs/man2/xhtml/glTexEnv.xml for more insight
	C3D_TexEnv* env = C3D_GetTexEnv(0);
	C3D_TexEnvSrc(env, C3D_Both, GPU_TEXTURE0, GPU_PRIMARY_COLOR, GPU_PRIMARY_COLOR);
	//C3D_TexEnvSrc(env, C3D_Both, GPU_TEXTURE0, 0, 0);

	//C3D_TexEnvOp(env, C3D_Both, 0, 0, 0);
	C3D_TexEnvFunc(env, C3D_Both, GPU_MODULATE);
	//C3D_TexEnvFunc(env, C3D_Both, GPU_REPLACE);

	// Configure depth test to overwrite pixels with the same depth (needed to draw overlapping sprites)
	C3D_DepthTest(true, GPU_GEQUAL, GPU_WRITE_ALL);

	C3D_FVUnifMtx4x4(GPU_VERTEX_SHADER, proj_uloc, &proj_mat);
}
Example #11
0
static void sceneInit(void)
{
	// Load the vertex shader and create a shader program
	vshader_dvlb = DVLB_ParseFile((u32*)vshader_shbin, vshader_shbin_size);
	shaderProgramInit(&program);
	shaderProgramSetVsh(&program, &vshader_dvlb->DVLE[0]);

	// Get the location of the projection matrix uniform
	uLoc_projection = shaderInstanceGetUniformLocation(program.vertexShader, "projection");

	// Compute the projection matrix
	m4x4_ortho_tilt(&projection, 0.0, 400.0, 0.0, 240.0, 0.0, 1.0);

	// Create the VBO (vertex buffer object)
	vbo_data = linearAlloc(sizeof(vertex_list));
	memcpy(vbo_data, vertex_list, sizeof(vertex_list));
}
Example #12
0
void OSystem_3DS::initGraphics() {
	_pfGame = Graphics::PixelFormat::createFormatCLUT8();
	_pfGameTexture = Graphics::PixelFormat(4, 8, 8, 8, 8, 24, 16, 8, 0);

	C3D_Init(C3D_DEFAULT_CMDBUF_SIZE);

	// Initialize the render targets
	_renderTargetTop =
	    C3D_RenderTargetCreate(240, 400, GPU_RB_RGBA8, GPU_RB_DEPTH24_STENCIL8);
	C3D_RenderTargetSetClear(_renderTargetTop, C3D_CLEAR_ALL, 0x0000000, 0);
	C3D_RenderTargetSetOutput(_renderTargetTop, GFX_TOP, GFX_LEFT,
	                          DISPLAY_TRANSFER_FLAGS);

	_renderTargetBottom =
	    C3D_RenderTargetCreate(240, 320, GPU_RB_RGBA8, GPU_RB_DEPTH24_STENCIL8);
	C3D_RenderTargetSetClear(_renderTargetBottom, C3D_CLEAR_ALL, 0x00000000, 0);
	C3D_RenderTargetSetOutput(_renderTargetBottom, GFX_BOTTOM, GFX_LEFT,
	                          DISPLAY_TRANSFER_FLAGS);

	// Load and bind simple default shader (shader.v.pica)
	_dvlb = DVLB_ParseFile((u32*)shader_shbin, shader_shbin_size);
	shaderProgramInit(&_program);
	shaderProgramSetVsh(&_program, &_dvlb->DVLE[0]);
	C3D_BindProgram(&_program);
	
	_projectionLocation = shaderInstanceGetUniformLocation(_program.vertexShader, "projection");
	_modelviewLocation = shaderInstanceGetUniformLocation(_program.vertexShader, "modelView");
	
	C3D_AttrInfo *attrInfo = C3D_GetAttrInfo();
	AttrInfo_Init(attrInfo);
	AttrInfo_AddLoader(attrInfo, 0, GPU_FLOAT, 3); // v0=position
	AttrInfo_AddLoader(attrInfo, 1, GPU_FLOAT, 2); // v1=texcoord
	
	Mtx_OrthoTilt(&_projectionTop, 0.0, 400.0, 240.0, 0.0, 0.0, 1.0);
	Mtx_OrthoTilt(&_projectionBottom, 0.0, 320.0, 240.0, 0.0, 0.0, 1.0);
	
	C3D_TexEnv *env = C3D_GetTexEnv(0);
	C3D_TexEnvSrc(env, C3D_Both, GPU_TEXTURE0, 0, 0);
	C3D_TexEnvOp(env, C3D_Both, 0, 0, 0);
	C3D_TexEnvFunc(env, C3D_Both, GPU_REPLACE);
	
	C3D_DepthTest(false, GPU_GEQUAL, GPU_WRITE_ALL);
	C3D_CullFace(GPU_CULL_NONE);
}
Example #13
0
bool ctrInitGpu() {
	// Load vertex shader binary
	uiShader = DVLB_ParseFile((u32*) uishader, uishader_size);
	if (uiShader == NULL) {
		return false;
	}

	// Create shader
	shaderProgramInit(&uiProgram);
	Result res = shaderProgramSetVsh(&uiProgram, &uiShader->DVLE[0]);
	if (res < 0) {
		return false;
	}
	res = shaderProgramSetGsh(&uiProgram, &uiShader->DVLE[1], 4);
	if (res < 0) {
		return false;
	}
	C3D_BindProgram(&uiProgram);
	GSH_FVEC_projectionMtx = shaderInstanceGetUniformLocation(uiProgram.geometryShader, "projectionMtx");
	GSH_FVEC_textureMtx = shaderInstanceGetUniformLocation(uiProgram.geometryShader, "textureMtx");

	// Allocate buffers
	ctrVertexBuffer = linearAlloc(VERTEX_BUFFER_SIZE);
	if (ctrVertexBuffer == NULL) {
		return false;
	}

	C3D_CullFace(GPU_CULL_NONE);
	C3D_DepthTest(false, GPU_ALWAYS, GPU_WRITE_ALL);
	C3D_AlphaBlend(GPU_BLEND_ADD, GPU_BLEND_ADD, GPU_SRC_ALPHA, GPU_ONE_MINUS_SRC_ALPHA, GPU_SRC_ALPHA, GPU_ONE_MINUS_SRC_ALPHA);
	C3D_AlphaTest(false, GPU_ALWAYS, 0);
	C3D_BlendingColor(0);

	C3D_AttrInfo* attrInfo = C3D_GetAttrInfo();
	AttrInfo_Init(attrInfo);
	AttrInfo_AddLoader(attrInfo, 0, GPU_SHORT, 4); // in_pos
	AttrInfo_AddLoader(attrInfo, 1, GPU_SHORT, 4); // in_tc0
	AttrInfo_AddLoader(attrInfo, 2, GPU_UNSIGNED_BYTE, 4); // in_col
	AttrInfo_AddLoader(attrInfo, 3, GPU_FLOAT, 2); // in_rot

	return true;
}
Example #14
0
void initialize(void) {

  // Load the vertex shader, create a shader program and bind it
  vshader_dvlb = DVLB_ParseFile((u32*)vshader_shbin, vshader_shbin_size);
  shaderProgramInit(&program);
  shaderProgramSetVsh(&program, &vshader_dvlb->DVLE[0]);
  C3D_BindProgram(&program);
  
  // Get the location of the uniforms
  uLoc_projection = shaderInstanceGetUniformLocation(program.vertexShader, "projection");

  // Compute the projection matrix
  Mtx_OrthoTilt(&projection, -200.0, 200.0, -120.0, 120.0, 0.0, 1.0);

  // Update the uniforms
  C3D_FVUnifMtx4x4(GPU_VERTEX_SHADER, uLoc_projection, &projection);

  // Create the VBO (vertex buffer object)
  vbo_data = linearAlloc(sizeof(vertices));
  memcpy(vbo_data, vertices, sizeof(vertices));

  // Configure buffers
  C3D_BufInfo* bufInfo = C3D_GetBufInfo();
  BufInfo_Init(bufInfo);
  BufInfo_Add(bufInfo, vbo_data, sizeof(vertices[0]), 2, 0x10);

  // Configure attributes for use with the vertex shader
  C3D_AttrInfo* attrInfo = C3D_GetAttrInfo();
  AttrInfo_Init(attrInfo);
  AttrInfo_AddLoader(attrInfo, 0, GPU_FLOAT, 2); // v0=x,y
  AttrInfo_AddLoader(attrInfo, 1, GPU_FLOAT, 3); // v1=r,g,b

  // Configure the first fragment shading substage to just pass through the vertex color
  // See https://www.opengl.org/sdk/docs/man2/xhtml/glTexEnv.xml for more insight
  C3D_TexEnv* env = C3D_GetTexEnv(0);
  C3D_TexEnvSrc(env, C3D_Both, GPU_PRIMARY_COLOR, 0, 0);
  C3D_TexEnvOp(env, C3D_Both, 0, 0, 0);
  C3D_TexEnvFunc(env, C3D_Both, GPU_REPLACE);

}
Example #15
0
static void sceneInit(void)
{
	// Load the vertex shader, create a shader program and bind it
	vshader_dvlb = DVLB_ParseFile((u32*)vshader_shbin, vshader_shbin_size);
	shaderProgramInit(&program);
	shaderProgramSetVsh(&program, &vshader_dvlb->DVLE[0]);
	C3D_BindProgram(&program);

	// Get the location of the uniforms
	uLoc_projection = shaderInstanceGetUniformLocation(program.vertexShader, "Projection");

	// Configure attributes for use with the vertex shader
	C3D_AttrInfo* attrInfo = C3D_GetAttrInfo();
	AttrInfo_Init(attrInfo);
	AttrInfo_AddLoader(attrInfo, 0, GPU_FLOAT, 3); // v0=position
	AttrInfo_AddFixed(attrInfo, 1); // v1=color

	// Set the fixed attribute (color) to solid white
	C3D_FixedAttribSet(1, 1.0, 1.0, 1.0, 1.0);

	// Compute the projection matrix
	Mtx_OrthoTilt(&projection, 0.0, 400.0, 0.0, 240.0, 0.0, 1.0);

	// Create the VBO (vertex buffer object)
	vbo_data = linearAlloc(sizeof(vertex_list));
	memcpy(vbo_data, vertex_list, sizeof(vertex_list));

	// Configure buffers
	C3D_BufInfo* bufInfo = C3D_GetBufInfo();
	BufInfo_Init(bufInfo);
	BufInfo_Add(bufInfo, vbo_data, sizeof(vertex), 1, 0x0);

	// Configure the first fragment shading substage to just pass through the vertex color
	// See https://www.opengl.org/sdk/docs/man2/xhtml/glTexEnv.xml for more insight
	C3D_TexEnv* env = C3D_GetTexEnv(0);
	C3D_TexEnvSrc(env, C3D_Both, GPU_PRIMARY_COLOR, 0, 0);
	C3D_TexEnvOp(env, C3D_Both, 0, 0, 0);
	C3D_TexEnvFunc(env, C3D_Both, GPU_REPLACE);
}
Example #16
0
static void sceneInit(void)
{
	// Load the shaders and create a shader program
	// The geoshader stride is set to 6 so that it processes a triangle at a time
	program_dvlb = DVLB_ParseFile((u32*)program_shbin, program_shbin_size);
	shaderProgramInit(&program);
	shaderProgramSetVsh(&program, &program_dvlb->DVLE[0]);
	shaderProgramSetGsh(&program, &program_dvlb->DVLE[1], 6);
	C3D_BindProgram(&program);

	// Get the location of the projection matrix uniform
	uLoc_projection = shaderInstanceGetUniformLocation(program.geometryShader, "projection");

	// Configure attributes for use with the vertex shader
	C3D_AttrInfo* attrInfo = C3D_GetAttrInfo();
	AttrInfo_Init(attrInfo);
	AttrInfo_AddLoader(attrInfo, 0, GPU_FLOAT, 3); // v0=position
	AttrInfo_AddLoader(attrInfo, 1, GPU_FLOAT, 4); // v1=color

	// Compute the projection matrix
	Mtx_OrthoTilt(&projection, 0.0, 400.0, 0.0, 240.0, 0.0, 1.0);

	// Create the VBO (vertex buffer object)
	vbo_data = linearAlloc(sizeof(vertex_list));
	memcpy(vbo_data, vertex_list, sizeof(vertex_list));

	// Configure buffers
	C3D_BufInfo* bufInfo = C3D_GetBufInfo();
	BufInfo_Init(bufInfo);
	BufInfo_Add(bufInfo, vbo_data, sizeof(vertex), 2, 0x10);

	// Configure the first fragment shading substage to just pass through the vertex color
	// See https://www.opengl.org/sdk/docs/man2/xhtml/glTexEnv.xml for more insight
	C3D_TexEnv* env = C3D_GetTexEnv(0);
	C3D_TexEnvSrc(env, C3D_Both, GPU_PRIMARY_COLOR, 0, 0);
	C3D_TexEnvOp(env, C3D_Both, 0, 0, 0);
	C3D_TexEnvFunc(env, C3D_Both, GPU_REPLACE);
}
Example #17
0
void gpuLoadShader(u32 shader, const void* data, u32 size, u8 geometryStride) {
    if(data == NULL) {
        return;
    }

    ShaderData* shdr = (ShaderData*) shader;
    if(shdr == NULL) {
        return;
    }

    if(shdr->dvlb != NULL) {
        shaderProgramFree(&shdr->program);
        DVLB_Free(shdr->dvlb);
    }

    shdr->dvlb = DVLB_ParseFile((u32*) data, size);
    shaderProgramInit(&shdr->program);
    if(shdr->dvlb->numDVLE > 0) {
        shaderProgramSetVsh(&shdr->program, &shdr->dvlb->DVLE[0]);
        if(shdr->dvlb->numDVLE > 1) {
            shaderProgramSetGsh(&shdr->program, &shdr->dvlb->DVLE[1], geometryStride);
        }
    }
}
Example #18
0
bool gfxInit() {
    gfxInitDefault();

    if(!C3D_Init(C3D_DEFAULT_CMDBUF_SIZE)) {
        gfxCleanup();
        return false;
    }

    c3dInitialized = true;

    u32 displayFlags = GX_TRANSFER_FLIP_VERT(0) | GX_TRANSFER_OUT_TILED(0) | GX_TRANSFER_RAW_COPY(0) | GX_TRANSFER_IN_FORMAT(GX_TRANSFER_FMT_RGBA8) | GX_TRANSFER_OUT_FORMAT(GX_TRANSFER_FMT_RGB8) | GX_TRANSFER_SCALING(GX_TRANSFER_SCALE_NO);

    targetTop = C3D_RenderTargetCreate(240, 400, GPU_RB_RGBA8, GPU_RB_DEPTH24_STENCIL8);
    if(targetTop == NULL) {
        gfxCleanup();
        return false;
    }

    C3D_RenderTargetSetClear(targetTop, C3D_CLEAR_ALL, 0, 0);
    C3D_RenderTargetSetOutput(targetTop, GFX_TOP, GFX_LEFT, displayFlags);

    targetBottom = C3D_RenderTargetCreate(240, 320, GPU_RB_RGBA8, GPU_RB_DEPTH24_STENCIL8);
    if(targetBottom == NULL) {
        gfxCleanup();
        return false;
    }

    C3D_RenderTargetSetClear(targetBottom, C3D_CLEAR_ALL, 0, 0);
    C3D_RenderTargetSetOutput(targetBottom, GFX_BOTTOM, GFX_LEFT, displayFlags);

    dvlb = DVLB_ParseFile((u32*) default_shbin, default_shbin_len);
    if(dvlb == NULL) {
        gfxCleanup();
        return false;
    }

    Result progInitRes = shaderProgramInit(&program);
    if(R_FAILED(progInitRes)) {
        gfxCleanup();
        return false;
    }

    shaderInitialized = true;

    Result progSetVshRes = shaderProgramSetVsh(&program, &dvlb->DVLE[0]);
    if(R_FAILED(progSetVshRes)) {
        gfxCleanup();
        return false;
    }

    C3D_BindProgram(&program);

    C3D_AttrInfo* attrInfo = C3D_GetAttrInfo();
    if(attrInfo == NULL) {
        gfxCleanup();
        return false;
    }

    AttrInfo_Init(attrInfo);
    AttrInfo_AddLoader(attrInfo, 0, GPU_FLOAT, 3);
    AttrInfo_AddLoader(attrInfo, 1, GPU_FLOAT, 2);

    C3D_TexEnv* env = C3D_GetTexEnv(0);
    if(env == NULL) {
        gfxCleanup();
        return false;
    }

    C3D_TexEnvSrc(env, C3D_Both, GPU_TEXTURE0, 0, 0);
    C3D_TexEnvOp(env, C3D_Both, 0, 0, 0);
    C3D_TexEnvFunc(env, C3D_Both, GPU_REPLACE);

    C3D_DepthTest(true, GPU_GEQUAL, GPU_WRITE_ALL);

    Mtx_OrthoTilt(&projectionTop, 0.0, 400.0, 240.0, 0.0, 0.0, 1.0);
    Mtx_OrthoTilt(&projectionBottom, 0.0, 320.0, 240.0, 0.0, 0.0, 1.0);

    screenInit = false;
    borderInit = false;

    // Allocate and clear the screen buffer.
    screenBuffer = (u32*) linearAlloc(256 * 256 * sizeof(u32));
    memset(screenBuffer, 0, 256 * 256 * sizeof(u32));

    // Allocate and clear the scale2x buffer.
    scale2xBuffer = (u32*) linearAlloc(512 * 512 * sizeof(u32));
    memset(scale2xBuffer, 0, 512 * 512 * sizeof(u32));

    return true;
}
Example #19
0
bool ShaderProgram::load(const byte* vsh_data,
        Uint32 vsh_data_size)
{
    unload();

    if(vsh_data == nullptr || vsh_data_size == 0 ||
		!RenderDevice::getInstance()->isInitialized())
    {
        return false;
    }

#ifdef _3DS
    _vertexShader = DVLB_ParseFile((u32*)vsh_data, vsh_data_size);

    if(_vertexShader == nullptr)
    {
        return false;
    }

    if(!_initialized)
    {
        shaderProgramInit(&_shaderProgram);
        _initialized = true;
    }

    shaderProgramSetVsh(&_shaderProgram, &_vertexShader->DVLE[0]);
#else

	constexpr const char* fShaderData =
		"#version 330 core\n"
		"in vec4 color;\n"
		"in vec2 texCoords;\n"
		"out vec4 outColor;\n"
		"uniform sampler2D uTexture;\n"
		"uniform bool textureEnabled = true;\n"
		"void main() {\n"
		"if(textureEnabled) {"
		"outColor = texture(uTexture, texCoords) * color;\n"
		"} else {\n"
		"outColor = color;\n"
		"}\n"
		"}\n";

	const GLint fShaderDataLen = strlen(fShaderData);

	const char* vShaderData = (const char*)vsh_data;
	const GLint vShaderDataLen = vsh_data_size;

	GLuint vshaderId = glCreateShader(GL_VERTEX_SHADER);
	GLuint fshaderId = glCreateShader(GL_FRAGMENT_SHADER);

	if (vshaderId == 0)
	{
		return false;
	}

	if (fshaderId == 0)
	{
		return false;
	}

	_program = glCreateProgram();

	if (_program == 0)
	{
		return false;
	}

	glShaderSource(fshaderId, 1, &fShaderData, &fShaderDataLen);
	glShaderSource(vshaderId, 1, &vShaderData, &vShaderDataLen);

	glCompileShader(fshaderId);
	glCompileShader(vshaderId);

	GLint result = 0;

	glGetShaderiv(vshaderId, GL_COMPILE_STATUS, &result);

	if (result == GL_FALSE)
	{
		return false;
	}

	glGetShaderiv(fshaderId, GL_COMPILE_STATUS, &result);

	if (result == GL_FALSE)
	{
		return false;
	}

	glAttachShader(_program, vshaderId);
	glAttachShader(_program, fshaderId);
	glLinkProgram(_program);

	glGetProgramiv(_program, GL_LINK_STATUS, &result);

	if (result == GL_FALSE)
	{
		return false;
	}

	glValidateProgram(_program);

	glDeleteShader(vshaderId);
	glDeleteShader(fshaderId);

	_initialized = true;

#endif // _3DS

    return true;
}
Example #20
0
static void* ctr_init(const video_info_t* video,
      const input_driver_t** input, void** input_data)
{
   float refresh_rate;
   void* ctrinput   = NULL;
   ctr_video_t* ctr = (ctr_video_t*)linearAlloc(sizeof(ctr_video_t));

   if (!ctr)
      return NULL;

   memset(ctr, 0, sizeof(ctr_video_t));


   ctr->vp.x                = 0;
   ctr->vp.y                = 0;
   ctr->vp.width            = CTR_TOP_FRAMEBUFFER_WIDTH;
   ctr->vp.height           = CTR_TOP_FRAMEBUFFER_HEIGHT;
   ctr->vp.full_width       = CTR_TOP_FRAMEBUFFER_WIDTH;
   ctr->vp.full_height      = CTR_TOP_FRAMEBUFFER_HEIGHT;


   ctr->display_list_size = 0x400;
   ctr->display_list = linearAlloc(ctr->display_list_size * sizeof(uint32_t));
   GPU_Reset(NULL, ctr->display_list, ctr->display_list_size);

   ctr->rgb32 = video->rgb32;
   ctr->texture_width = video->input_scale * RARCH_SCALE_BASE;
   ctr->texture_height = video->input_scale * RARCH_SCALE_BASE;
   ctr->texture_linear =
         linearMemAlign(ctr->texture_width * ctr->texture_height * (ctr->rgb32? 4:2), 128);
   ctr->texture_swizzled =
         linearMemAlign(ctr->texture_width * ctr->texture_height * (ctr->rgb32? 4:2), 128);

   ctr->frame_coords = linearAlloc(3 * sizeof(ctr_vertex_t));
   ctr->frame_coords->x0 = 0;
   ctr->frame_coords->y0 = 0;
   ctr->frame_coords->x1 = CTR_TOP_FRAMEBUFFER_WIDTH;
   ctr->frame_coords->y1 = CTR_TOP_FRAMEBUFFER_HEIGHT;
   ctr->frame_coords->u0 = 0;
   ctr->frame_coords->v0 = 0;
   ctr->frame_coords->u1 = CTR_TOP_FRAMEBUFFER_WIDTH;
   ctr->frame_coords->v1 = CTR_TOP_FRAMEBUFFER_HEIGHT;
   GSPGPU_FlushDataCache(ctr->frame_coords, sizeof(ctr_vertex_t));

   ctr->menu.texture_width = 512;
   ctr->menu.texture_height = 512;
   ctr->menu.texture_linear =
         linearMemAlign(ctr->menu.texture_width * ctr->menu.texture_height * sizeof(uint16_t), 128);
   ctr->menu.texture_swizzled =
         linearMemAlign(ctr->menu.texture_width * ctr->menu.texture_height * sizeof(uint16_t), 128);

   ctr->menu.frame_coords = linearAlloc(sizeof(ctr_vertex_t));

   ctr->menu.frame_coords->x0 = 40;
   ctr->menu.frame_coords->y0 = 0;
   ctr->menu.frame_coords->x1 = CTR_TOP_FRAMEBUFFER_WIDTH - 40;
   ctr->menu.frame_coords->y1 = CTR_TOP_FRAMEBUFFER_HEIGHT;
   ctr->menu.frame_coords->u0 = 0;
   ctr->menu.frame_coords->v0 = 0;
   ctr->menu.frame_coords->u1 = CTR_TOP_FRAMEBUFFER_WIDTH - 80;
   ctr->menu.frame_coords->v1 = CTR_TOP_FRAMEBUFFER_HEIGHT;
   GSPGPU_FlushDataCache(ctr->menu.frame_coords, sizeof(ctr_vertex_t));

   ctr_set_scale_vector(&ctr->scale_vector,
                        CTR_TOP_FRAMEBUFFER_WIDTH, CTR_TOP_FRAMEBUFFER_HEIGHT,
                        ctr->texture_width, ctr->texture_height);
   ctr_set_scale_vector(&ctr->menu.scale_vector,
                        CTR_TOP_FRAMEBUFFER_WIDTH, CTR_TOP_FRAMEBUFFER_HEIGHT,
                        ctr->menu.texture_width, ctr->menu.texture_height);

   ctr->dvlb = DVLB_ParseFile((u32*)ctr_sprite_shbin, ctr_sprite_shbin_size);
   ctrGuSetVshGsh(&ctr->shader, ctr->dvlb, 2, 2);
   shaderProgramUse(&ctr->shader);

   GPU_SetViewport(VIRT_TO_PHYS(CTR_GPU_DEPTHBUFFER),
                   VIRT_TO_PHYS(CTR_TOP_FRAMEBUFFER),
                   0, 0, CTR_TOP_FRAMEBUFFER_HEIGHT, CTR_TOP_FRAMEBUFFER_WIDTH);

   GPU_DepthMap(-1.0f, 0.0f);
   GPU_SetFaceCulling(GPU_CULL_NONE);
   GPU_SetStencilTest(false, GPU_ALWAYS, 0x00, 0xFF, 0x00);
   GPU_SetStencilOp(GPU_STENCIL_KEEP, GPU_STENCIL_KEEP, GPU_STENCIL_KEEP);
   GPU_SetBlendingColor(0, 0, 0, 0);
//      GPU_SetDepthTestAndWriteMask(true, GPU_GREATER, GPU_WRITE_ALL);
   GPU_SetDepthTestAndWriteMask(false, GPU_ALWAYS, GPU_WRITE_ALL);
   //   GPU_SetDepthTestAndWriteMask(true, GPU_ALWAYS, GPU_WRITE_ALL);

   GPUCMD_AddMaskedWrite(GPUREG_EARLYDEPTH_TEST1, 0x1, 0);
   GPUCMD_AddWrite(GPUREG_EARLYDEPTH_TEST2, 0);

   GPU_SetAlphaBlending(GPU_BLEND_ADD, GPU_BLEND_ADD,
                        GPU_SRC_ALPHA, GPU_ONE_MINUS_SRC_ALPHA,
                        GPU_SRC_ALPHA, GPU_ONE_MINUS_SRC_ALPHA);
   GPU_SetAlphaTest(false, GPU_ALWAYS, 0x00);

   GPU_SetTextureEnable(GPU_TEXUNIT0);

   GPU_SetTexEnv(0, GPU_TEXTURE0, GPU_TEXTURE0, 0, 0, GPU_REPLACE, GPU_REPLACE, 0);
   GPU_SetTexEnv(1, GPU_PREVIOUS, GPU_PREVIOUS, 0, 0, 0, 0, 0);
   GPU_SetTexEnv(2, GPU_PREVIOUS, GPU_PREVIOUS, 0, 0, 0, 0, 0);
   GPU_SetTexEnv(3, GPU_PREVIOUS, GPU_PREVIOUS, 0, 0, 0, 0, 0);
   GPU_SetTexEnv(4, GPU_PREVIOUS, GPU_PREVIOUS, 0, 0, 0, 0, 0);
   GPU_SetTexEnv(5, GPU_PREVIOUS, GPU_PREVIOUS, 0, 0, 0, 0, 0);

   ctrGuSetAttributeBuffers(2,
                            VIRT_TO_PHYS(ctr->menu.frame_coords),
                            CTRGU_ATTRIBFMT(GPU_SHORT, 4) << 0 |
                            CTRGU_ATTRIBFMT(GPU_SHORT, 4) << 4,
                            sizeof(ctr_vertex_t));
   GPUCMD_Finalize();
   ctrGuFlushAndRun(true);
   gspWaitForEvent(GSPGPU_EVENT_P3D, false);

   if (input && input_data)
   {
      ctrinput = input_ctr.init();
      *input = ctrinput ? &input_ctr : NULL;
      *input_data = ctrinput;
   }

   ctr->keep_aspect   = true;
   ctr->should_resize = true;
   ctr->smooth        = video->smooth;
   ctr->vsync         = video->vsync;
   ctr->lcd_buttom_on = true;
   ctr->current_buffer_top = 0;

   ctr->empty_framebuffer = linearAlloc(320 * 240 * 2);
   memset(ctr->empty_framebuffer, 0, 320 * 240 * 2);

   refresh_rate = (32730.0 * 8192.0) / 4481134.0;

   driver_ctl(RARCH_DRIVER_CTL_SET_REFRESH_RATE, &refresh_rate);
   aptHook(&ctr->lcd_aptHook, ctr_lcd_aptHook, ctr);

   return ctr;
}
Example #21
0
static void* ctr_init(const video_info_t* video,
      const input_driver_t** input, void** input_data)
{
   void* ctrinput = NULL;
   ctr_video_t* ctr = (ctr_video_t*)linearAlloc(sizeof(ctr_video_t));

   if (!ctr)
      return NULL;

//   gfxInitDefault();
//   gfxSet3D(false);

   memset(ctr, 0, sizeof(ctr_video_t));

   ctr->display_list_size = 0x40000;
   ctr->display_list = linearAlloc(ctr->display_list_size * sizeof(uint32_t));
   GPU_Reset(NULL, ctr->display_list, ctr->display_list_size);

   ctr->texture_width = 512;
   ctr->texture_height = 512;
   ctr->texture_linear =
         linearMemAlign(ctr->texture_width * ctr->texture_height * sizeof(uint32_t), 128);
   ctr->texture_swizzled =
         linearMemAlign(ctr->texture_width * ctr->texture_height * sizeof(uint32_t), 128);

   ctr->frame_coords = linearAlloc(sizeof(ctr_vertex_t));
   ctr->frame_coords->x0 = 0;
   ctr->frame_coords->y0 = 0;
   ctr->frame_coords->x1 = CTR_TOP_FRAMEBUFFER_WIDTH;
   ctr->frame_coords->y1 = CTR_TOP_FRAMEBUFFER_HEIGHT;
   ctr->frame_coords->u = CTR_TOP_FRAMEBUFFER_WIDTH;
   ctr->frame_coords->v = CTR_TOP_FRAMEBUFFER_HEIGHT;
   GSPGPU_FlushDataCache(NULL, (u8*)ctr->frame_coords, sizeof(ctr_vertex_t));

   ctr->menu.texture_width = 512;
   ctr->menu.texture_height = 512;
   ctr->menu.texture_linear =
         linearMemAlign(ctr->texture_width * ctr->texture_height * sizeof(uint16_t), 128);
   ctr->menu.texture_swizzled =
         linearMemAlign(ctr->texture_width * ctr->texture_height * sizeof(uint16_t), 128);

   ctr->menu.frame_coords = linearAlloc(sizeof(ctr_vertex_t));

   ctr->menu.frame_coords->x0 = 40;
   ctr->menu.frame_coords->y0 = 0;
   ctr->menu.frame_coords->x1 = CTR_TOP_FRAMEBUFFER_WIDTH - 40;
   ctr->menu.frame_coords->y1 = CTR_TOP_FRAMEBUFFER_HEIGHT;
   ctr->menu.frame_coords->u = CTR_TOP_FRAMEBUFFER_WIDTH - 80;
   ctr->menu.frame_coords->v = CTR_TOP_FRAMEBUFFER_HEIGHT;
   GSPGPU_FlushDataCache(NULL, (u8*)ctr->menu.frame_coords, sizeof(ctr_vertex_t));

   ctr_set_scale_vector(&ctr->scale_vector,
                        CTR_TOP_FRAMEBUFFER_WIDTH, CTR_TOP_FRAMEBUFFER_HEIGHT,
                        ctr->texture_width, ctr->texture_height);
   ctr_set_scale_vector(&ctr->menu.scale_vector,
                        CTR_TOP_FRAMEBUFFER_WIDTH, CTR_TOP_FRAMEBUFFER_HEIGHT,
                        ctr->menu.texture_width, ctr->menu.texture_height);

   ctr->dvlb = DVLB_ParseFile((u32*)ctr_sprite_shader_shbin, ctr_sprite_shader_shbin_size);
   ctrGuSetVshGsh(&ctr->shader, ctr->dvlb, 2, 2);
   shaderProgramUse(&ctr->shader);

   GPU_SetViewport(VIRT_TO_PHYS(CTR_GPU_DEPTHBUFFER),
                   VIRT_TO_PHYS(CTR_GPU_FRAMEBUFFER),
                   0, 0, CTR_TOP_FRAMEBUFFER_HEIGHT, CTR_TOP_FRAMEBUFFER_WIDTH);

//      GPU_SetViewport(NULL,
//                      VIRT_TO_PHYS(CTR_GPU_FRAMEBUFFER),
//                      0, 0, CTR_TOP_FRAMEBUFFER_HEIGHT, CTR_TOP_FRAMEBUFFER_WIDTH);

   GPU_DepthMap(-1.0f, 0.0f);
   GPU_SetFaceCulling(GPU_CULL_NONE);
   GPU_SetStencilTest(false, GPU_ALWAYS, 0x00, 0xFF, 0x00);
   GPU_SetStencilOp(GPU_KEEP, GPU_KEEP, GPU_KEEP);
   GPU_SetBlendingColor(0, 0, 0, 0);
//      GPU_SetDepthTestAndWriteMask(true, GPU_GREATER, GPU_WRITE_ALL);
   GPU_SetDepthTestAndWriteMask(false, GPU_ALWAYS, GPU_WRITE_ALL);
   //   GPU_SetDepthTestAndWriteMask(true, GPU_ALWAYS, GPU_WRITE_ALL);

   GPUCMD_AddMaskedWrite(GPUREG_0062, 0x1, 0);
   GPUCMD_AddWrite(GPUREG_0118, 0);

   GPU_SetAlphaBlending(GPU_BLEND_ADD, GPU_BLEND_ADD,
                        GPU_SRC_ALPHA, GPU_ONE_MINUS_SRC_ALPHA,
                        GPU_SRC_ALPHA, GPU_ONE_MINUS_SRC_ALPHA);
   GPU_SetAlphaTest(false, GPU_ALWAYS, 0x00);

   GPU_SetTextureEnable(GPU_TEXUNIT0);

   GPU_SetTexEnv(0,
                 GPU_TEVSOURCES(GPU_TEXTURE0, GPU_PRIMARY_COLOR, 0),
                 GPU_TEVSOURCES(GPU_TEXTURE0, GPU_PRIMARY_COLOR, 0),
                 GPU_TEVOPERANDS(0, 0, 0),
                 GPU_TEVOPERANDS(0, 0, 0),
                 GPU_MODULATE, GPU_MODULATE,
                 0xFFFFFFFF);

   GPU_SetTexEnv(1, GPU_PREVIOUS,GPU_PREVIOUS, 0, 0, 0, 0, 0);
   GPU_SetTexEnv(2, GPU_PREVIOUS,GPU_PREVIOUS, 0, 0, 0, 0, 0);
   GPU_SetTexEnv(3, GPU_PREVIOUS,GPU_PREVIOUS, 0, 0, 0, 0, 0);
   GPU_SetTexEnv(4, GPU_PREVIOUS,GPU_PREVIOUS, 0, 0, 0, 0, 0);
   GPU_SetTexEnv(5, GPU_PREVIOUS,GPU_PREVIOUS, 0, 0, 0, 0, 0);

   ctrGuSetAttributeBuffers(2,
                            VIRT_TO_PHYS(ctr->menu.frame_coords),
                            CTRGU_ATTRIBFMT(GPU_SHORT, 4) << 0 |
                            CTRGU_ATTRIBFMT(GPU_SHORT, 2) << 4,
                            sizeof(ctr_vertex_t));
   GPUCMD_Finalize();
   ctrGuFlushAndRun(true);
   gspWaitForEvent(GSPEVENT_P3D, false);

   if (input && input_data)
   {
      ctrinput = input_ctr.init();
      *input = ctrinput ? &input_ctr : NULL;
      *input_data = ctrinput;
   }

   return ctr;
}
Example #22
0
//---------------------------------------------------------------------------------
static void sceneInit(void) {
//---------------------------------------------------------------------------------
	int i;

	// Load the vertex shader, create a shader program and bind it
	vshader_dvlb = DVLB_ParseFile((u32*)vshader_shbin, vshader_shbin_size);
	shaderProgramInit(&program);
	shaderProgramSetVsh(&program, &vshader_dvlb->DVLE[0]);
	C3D_BindProgram(&program);

	// Get the location of the uniforms
	uLoc_projection = shaderInstanceGetUniformLocation(program.vertexShader, "projection");

	// Configure attributes for use with the vertex shader
	// Attribute format and element count are ignored in immediate mode
	C3D_AttrInfo* attrInfo = C3D_GetAttrInfo();
	AttrInfo_Init(attrInfo);
	AttrInfo_AddLoader(attrInfo, 0, GPU_FLOAT, 3); // v0=position
	AttrInfo_AddLoader(attrInfo, 1, GPU_FLOAT, 2); // v2=texcoord

	// Compute the projection matrix
	// Note: we're setting top to 240 here so origin is at top left.
	Mtx_OrthoTilt(&projection, 0.0, 400.0, 240.0, 0.0, 0.0, 1.0);

	// Configure buffers
	C3D_BufInfo* bufInfo = C3D_GetBufInfo();
	BufInfo_Init(bufInfo);

	unsigned char* image;
	unsigned width, height;

	lodepng_decode32(&image, &width, &height, ballsprites_png, ballsprites_png_size);

	u8 *gpusrc = linearAlloc(width*height*4);

	// GX_DisplayTransfer needs input buffer in linear RAM
	u8* src=image; u8 *dst=gpusrc;

	// lodepng outputs big endian rgba so we need to convert
	for(int i = 0; i<width*height; i++) {
		int r = *src++;
		int g = *src++;
		int b = *src++;
		int a = *src++;

		*dst++ = a;
		*dst++ = b;
		*dst++ = g;
		*dst++ = r;
	}

	// ensure data is in physical ram
	GSPGPU_FlushDataCache(gpusrc, width*height*4);

	// Load the texture and bind it to the first texture unit
	C3D_TexInit(&spritesheet_tex, width, height, GPU_RGBA8);

	// Convert image to 3DS tiled texture format
	C3D_SafeDisplayTransfer ((u32*)gpusrc, GX_BUFFER_DIM(width,height), (u32*)spritesheet_tex.data, GX_BUFFER_DIM(width,height), TEXTURE_TRANSFER_FLAGS);
	gspWaitForPPF();

	C3D_TexSetFilter(&spritesheet_tex, GPU_LINEAR, GPU_NEAREST);
	C3D_TexBind(0, &spritesheet_tex);

	free(image);
	linearFree(gpusrc);

	// Configure the first fragment shading substage to just pass through the texture color
	// See https://www.opengl.org/sdk/docs/man2/xhtml/glTexEnv.xml for more insight
	C3D_TexEnv* env = C3D_GetTexEnv(0);
	C3D_TexEnvSrc(env, C3D_Both, GPU_TEXTURE0, 0, 0);
	C3D_TexEnvOp(env, C3D_Both, 0, 0, 0);
	C3D_TexEnvFunc(env, C3D_Both, GPU_REPLACE);

	srand(time(NULL));

	for(i = 0; i < NUM_SPRITES; i++) {
		//random place and speed
		sprites[i].x = (rand() % (400 - 32 )) << 8;
		sprites[i].y = (rand() % (240 - 32 )) << 8 ;
		sprites[i].dx = (rand() & 0xFF) + 0x100;
		sprites[i].dy = (rand() & 0xFF) + 0x100;
		sprites[i].image = rand() & 3;

		if(rand() & 1)
			sprites[i].dx = -sprites[i].dx;
		if(rand() & 1)
			sprites[i].dy = -sprites[i].dy;
	}

	// Configure depth test to overwrite pixels with the same depth (needed to draw overlapping sprites)
	C3D_DepthTest(true, GPU_GEQUAL, GPU_WRITE_ALL);
}