mirror of
https://github.com/wiiu-env/libgui.git
synced 2024-12-26 16:21:49 +01:00
107 lines
3.8 KiB
C++
107 lines
3.8 KiB
C++
#include <gui/GridBackground.h>
|
|
#include <gui/video/CVideo.h>
|
|
#include <gui/video/shaders/Shader3D.h>
|
|
#include "utils/utils.h"
|
|
|
|
static const float bgRepeat = 1000.0f;
|
|
static const float bgTexRotate = 39.0f;
|
|
|
|
GridBackground::GridBackground(GuiImageData *img)
|
|
: GuiImage(img) {
|
|
colorIntensity = glm::vec4(1.0f, 1.0f, 1.0f, 0.9f);
|
|
alphaFadeOut = glm::vec4(0.0f);
|
|
distanceFadeOut = 0.15f;
|
|
|
|
vtxCount = 4;
|
|
|
|
//! texture and vertex coordinates
|
|
float *m_posVtxs = (float *) memalign(GX2_VERTEX_BUFFER_ALIGNMENT, vtxCount * Shader3D::cuVertexAttrSize);
|
|
float *m_texCoords = (float *) memalign(GX2_VERTEX_BUFFER_ALIGNMENT, vtxCount * Shader3D::cuTexCoordAttrSize);
|
|
|
|
if (m_posVtxs) {
|
|
int32_t i = 0;
|
|
m_posVtxs[i++] = -1.0f;
|
|
m_posVtxs[i++] = 0.0f;
|
|
m_posVtxs[i++] = 1.0f;
|
|
m_posVtxs[i++] = 1.0f;
|
|
m_posVtxs[i++] = 0.0f;
|
|
m_posVtxs[i++] = 1.0f;
|
|
m_posVtxs[i++] = 1.0f;
|
|
m_posVtxs[i++] = 0.0f;
|
|
m_posVtxs[i++] = -1.0f;
|
|
m_posVtxs[i++] = -1.0f;
|
|
m_posVtxs[i++] = 0.0f;
|
|
m_posVtxs[i++] = -1.0f;
|
|
GX2Invalidate(GX2_INVALIDATE_MODE_CPU_ATTRIBUTE_BUFFER, m_posVtxs, vtxCount * Shader3D::cuVertexAttrSize);
|
|
}
|
|
|
|
if (m_texCoords) {
|
|
glm::vec2 texCoordVec[4];
|
|
texCoordVec[0][0] = -0.5f * bgRepeat;
|
|
texCoordVec[0][1] = 0.5f * bgRepeat;
|
|
texCoordVec[1][0] = 0.5f * bgRepeat;
|
|
texCoordVec[1][1] = 0.5f * bgRepeat;
|
|
texCoordVec[2][0] = 0.5f * bgRepeat;
|
|
texCoordVec[2][1] = -0.5f * bgRepeat;
|
|
texCoordVec[3][0] = -0.5f * bgRepeat;
|
|
texCoordVec[3][1] = -0.5f * bgRepeat;
|
|
|
|
const float cosRot = cosf(DegToRad(bgTexRotate));
|
|
const float sinRot = sinf(DegToRad(bgTexRotate));
|
|
|
|
glm::mat2 texRotateMtx({
|
|
cosRot, -sinRot,
|
|
sinRot, cosRot
|
|
});
|
|
|
|
for (int32_t i = 0; i < 4; i++) {
|
|
texCoordVec[i] = texRotateMtx * texCoordVec[i];
|
|
m_texCoords[i * 2 + 0] = texCoordVec[i][0];
|
|
m_texCoords[i * 2 + 1] = texCoordVec[i][1];
|
|
}
|
|
|
|
GX2Invalidate(GX2_INVALIDATE_MODE_CPU_ATTRIBUTE_BUFFER, m_texCoords, vtxCount * Shader3D::cuTexCoordAttrSize);
|
|
}
|
|
|
|
//! assign to internal variables which are const but oh well
|
|
posVtxs = m_posVtxs;
|
|
texCoords = m_texCoords;
|
|
}
|
|
|
|
GridBackground::~GridBackground() {
|
|
//! remove image so it can not be drawn anymore from this point on
|
|
imageData = NULL;
|
|
|
|
//! main image vertexes
|
|
if (posVtxs) {
|
|
free((void *) posVtxs);
|
|
posVtxs = NULL;
|
|
}
|
|
if (texCoords) {
|
|
free((void *) texCoords);
|
|
texCoords = NULL;
|
|
}
|
|
}
|
|
|
|
void GridBackground::draw(CVideo *pVideo, const glm::mat4 &modelView) {
|
|
//! first setup 2D GUI positions
|
|
float currScaleX = bgRepeat * scaleX * (float) getWidth() * pVideo->getWidthScaleFactor();
|
|
float currScaleY = 1.0f;
|
|
float currScaleZ = bgRepeat * scaleZ * (float) getHeight() * pVideo->getDepthScaleFactor();
|
|
|
|
m_modelView = glm::scale(modelView, glm::vec3(currScaleX, currScaleY, currScaleZ));
|
|
|
|
colorIntensity[3] = getAlpha();
|
|
|
|
Shader3D::instance()->setShaders();
|
|
Shader3D::instance()->setTextureAndSampler(imageData->getTexture(), imageData->getSampler());
|
|
Shader3D::instance()->setProjectionMtx(pVideo->getProjectionMtx());
|
|
Shader3D::instance()->setViewMtx(pVideo->getViewMtx());
|
|
Shader3D::instance()->setModelViewMtx(m_modelView);
|
|
Shader3D::instance()->setDistanceFadeOut(distanceFadeOut);
|
|
Shader3D::instance()->setAlphaFadeOut(alphaFadeOut);
|
|
Shader3D::instance()->setColorIntensity(colorIntensity);
|
|
Shader3D::instance()->setAttributeBuffer(vtxCount, posVtxs, texCoords);
|
|
Shader3D::instance()->draw(GX2_PRIMITIVE_MODE_QUADS, vtxCount);
|
|
}
|