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added broken rect renderer

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This commit is contained in:
vaxerski 2022-04-04 21:45:35 +02:00
parent 374491ee63
commit 334f5a59b0
3 changed files with 63 additions and 14 deletions
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5
src/events/Monitors.cpp
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@ -113,9 +113,10 @@ void Events::listener_monitorFrame(void* owner, void* data) {
return;
g_pHyprOpenGL->begin(PMONITOR);
g_pHyprOpenGL->clear(CColor(11, 11, 11, 255));
g_pHyprOpenGL->clear(CColor(11, 55, 11, 255));
wlr_box box = {1,1,100,300};
g_pHyprOpenGL->renderRect(&box, CColor(255,0,255,255)); // THIS FUCKING SHIT DOESNT WORK!!!!!!
g_pHyprOpenGL->end();

56
src/render/OpenGL.cpp
View file

@ -21,34 +21,34 @@ CHyprOpenGLImpl::CHyprOpenGLImpl() {
// Init shaders
GLuint prog = createProgram(QUADVERTSRC, QUADFRAGSRC);
m_qShaderQuad.program = prog;
m_qShaderQuad.proj = glGetUniformLocation(prog, "proj");
m_qShaderQuad.color = glGetUniformLocation(prog, "color");
m_qShaderQuad.posAttrib = glGetUniformLocation(prog, "pos");
m_shQUAD.program = prog;
m_shQUAD.proj = glGetUniformLocation(prog, "proj");
m_shQUAD.color = glGetUniformLocation(prog, "color");
m_shQUAD.posAttrib = glGetAttribLocation(prog, "pos");
prog = createProgram(TEXVERTSRC, TEXFRAGSRCRGBA);
m_shRGBA.program = prog;
m_shRGBA.proj = glGetUniformLocation(prog, "proj");
m_shRGBA.tex = glGetUniformLocation(prog, "tex");
m_shRGBA.alpha = glGetUniformLocation(prog, "alpha");
m_shRGBA.texAttrib = glGetUniformLocation(prog, "texcoord");
m_shRGBA.posAttrib = glGetUniformLocation(prog, "pos");
m_shRGBA.texAttrib = glGetAttribLocation(prog, "texcoord");
m_shRGBA.posAttrib = glGetAttribLocation(prog, "pos");
prog = createProgram(TEXVERTSRC, TEXFRAGSRCRGBX);
m_shRGBX.program = prog;
m_shRGBX.tex = glGetUniformLocation(prog, "tex");
m_shRGBX.proj = glGetUniformLocation(prog, "proj");
m_shRGBX.alpha = glGetUniformLocation(prog, "alpha");
m_shRGBX.texAttrib = glGetUniformLocation(prog, "texcoord");
m_shRGBX.posAttrib = glGetUniformLocation(prog, "pos");
m_shRGBX.texAttrib = glGetAttribLocation(prog, "texcoord");
m_shRGBX.posAttrib = glGetAttribLocation(prog, "pos");
prog = createProgram(TEXVERTSRC, TEXFRAGSRCEXT);
m_shEXT.program = prog;
m_shEXT.tex = glGetUniformLocation(prog, "tex");
m_shEXT.proj = glGetUniformLocation(prog, "proj");
m_shEXT.alpha = glGetUniformLocation(prog, "alpha");
m_shEXT.posAttrib = glGetUniformLocation(prog, "pos");
m_shEXT.texAttrib = glGetUniformLocation(prog, "texcoord");
m_shEXT.posAttrib = glGetAttribLocation(prog, "pos");
m_shEXT.texAttrib = glGetAttribLocation(prog, "texcoord");
Debug::log(LOG, "Shaders initialized successfully.");
@ -103,7 +103,7 @@ void CHyprOpenGLImpl::begin(SMonitor* pMonitor) {
glViewport(0, 0, pMonitor->vecSize.x, pMonitor->vecSize.y);
wlr_matrix_projection(m_RenderData.projection, pMonitor->vecSize.x, pMonitor->vecSize.y, WL_OUTPUT_TRANSFORM_NORMAL);
wlr_matrix_projection(m_RenderData.projection, pMonitor->vecSize.x, pMonitor->vecSize.y, WL_OUTPUT_TRANSFORM_NORMAL); // TODO: this is deprecated
glBlendFunc(GL_ONE, GL_ONE_MINUS_SRC_ALPHA);
}
@ -120,6 +120,8 @@ void CHyprOpenGLImpl::clear(const CColor& color) {
}
void CHyprOpenGLImpl::scissor(const wlr_box* pBox) {
RASSERT(m_RenderData.pMonitor, "Tried to scissor without begin()!");
if (!pBox) {
glDisable(GL_SCISSOR_TEST);
return;
@ -127,4 +129,36 @@ void CHyprOpenGLImpl::scissor(const wlr_box* pBox) {
glScissor(pBox->x, pBox->y, pBox->width, pBox->height);
glEnable(GL_SCISSOR_TEST);
}
void CHyprOpenGLImpl::renderRect(wlr_box* box, const CColor& col) {
RASSERT((box->width > 0 && box->height > 0), "Tried to render rect with width/height < 0!");
RASSERT(m_RenderData.pMonitor, "Tried to render rect without begin()!");
float matrix[9];
wlr_matrix_project_box(matrix, box, WL_OUTPUT_TRANSFORM_NORMAL, 0, m_RenderData.projection); // TODO: write own, don't use WLR here
float glMatrix[9];
wlr_matrix_multiply(glMatrix, m_RenderData.projection, matrix);
wlr_matrix_multiply(glMatrix, matrixFlip180, glMatrix);
wlr_matrix_transpose(glMatrix, glMatrix);
if (col.a == 255.f)
glDisable(GL_BLEND);
else
glEnable(GL_BLEND);
glUseProgram(m_shQUAD.program);
glUniformMatrix3fv(m_shQUAD.proj, 1, GL_FALSE, glMatrix);
glUniform4f(m_shQUAD.color, 0.1f, 0.1f, 0.1f, 1.f);
glVertexAttribPointer(m_shQUAD.posAttrib, 2, GL_FLOAT, GL_FALSE, 0, fullVerts);
glEnableVertexAttribArray(m_shQUAD.posAttrib);
glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
glDisableVertexAttribArray(m_shQUAD.posAttrib);
}

16
src/render/OpenGL.hpp
View file

@ -9,6 +9,18 @@
#include "Shaders.hpp"
#include "Shader.hpp"
inline const float matrixFlip180[] = {
1.0f, 0.0f, 0.0f,
0.0f, -1.0f, 0.0f,
0.0f, 0.0f, 1.0f,
};
inline const float fullVerts[] = {
1, 0, // top right
0, 0, // top left
1, 1, // bottom right
0, 1, // bottom left
};
struct SCurrentRenderData {
SMonitor* pMonitor = nullptr;
float projection[9];
@ -22,6 +34,8 @@ public:
void begin(SMonitor*);
void end();
void renderRect(wlr_box*, const CColor&);
void clear(const CColor&);
void scissor(const wlr_box*);
@ -35,7 +49,7 @@ private:
std::string m_szExtensions;
// Shaders
SQuad m_qShaderQuad;
SQuad m_shQUAD;
CShader m_shRGBA;
CShader m_shRGBX;
CShader m_shEXT;