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This commit is contained in:
Sergio
2026-04-04 13:03:20 +02:00
parent 6a09d7219d
commit baee62b375
36 changed files with 2576 additions and 2408 deletions
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104
source/core/jshader.cpp
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@@ -3,23 +3,23 @@
#include <iostream>
#ifdef __APPLE__
#include "CoreFoundation/CoreFoundation.h"
#include <OpenGL/OpenGL.h>
#include "CoreFoundation/CoreFoundation.h"
#if ESSENTIAL_GL_PRACTICES_SUPPORT_GL3
#include <OpenGL/gl3.h>
#else
#include <OpenGL/gl.h>
#endif //!ESSENTIAL_GL_PRACTICES_SUPPORT_GL3
#endif //! ESSENTIAL_GL_PRACTICES_SUPPORT_GL3
#else
#include <SDL3/SDL_opengl.h>
#include <SDL3/SDL_opengl_glext.h>
#endif
namespace shader
{
SDL_Window *win = nullptr;
SDL_Renderer *renderer = nullptr;
namespace shader {
SDL_Window* win = nullptr;
SDL_Renderer* renderer = nullptr;
GLuint programId = 0;
SDL_Texture* backBuffer = nullptr;
SDL_Point win_size = {640, 480};
@@ -28,9 +28,9 @@ namespace shader
GLuint texture_number;
GLuint nose;
#ifndef __APPLE__
#ifndef __APPLE__
// I'm avoiding the use of GLEW or some extensions handler, but that
// I'm avoiding the use of GLEW or some extensions handler, but that
// doesn't mean you should...
PFNGLCREATESHADERPROC glCreateShader;
PFNGLSHADERSOURCEPROC glShaderSource;
@@ -61,35 +61,33 @@ namespace shader
glGetProgramInfoLog = (PFNGLGETPROGRAMINFOLOGPROC)SDL_GL_GetProcAddress("glGetProgramInfoLog");
glUseProgram = (PFNGLUSEPROGRAMPROC)SDL_GL_GetProcAddress("glUseProgram");
return glCreateShader && glShaderSource && glCompileShader && glGetShaderiv &&
return glCreateShader && glShaderSource && glCompileShader && glGetShaderiv &&
glGetShaderInfoLog && glDeleteShader && glAttachShader && glCreateProgram &&
glLinkProgram && glValidateProgram && glGetProgramiv && glGetProgramInfoLog &&
glUseProgram;
}
#endif
#endif
GLuint compileShader(const char* source, GLuint shaderType) {
// Create ID for shader
GLuint result = glCreateShader(shaderType);
// Add define depending on shader type
const char *sources[2] = { shaderType==GL_VERTEX_SHADER?"#define VERTEX\n":"#define FRAGMENT\n", source };
const char* sources[2] = {shaderType == GL_VERTEX_SHADER ? "#define VERTEX\n" : "#define FRAGMENT\n", source};
// Define shader text
glShaderSource(result, 2, sources, NULL);
// Compile shader
glCompileShader(result);
//Check vertex shader for errors
// Check vertex shader for errors
GLint shaderCompiled = GL_FALSE;
glGetShaderiv( result, GL_COMPILE_STATUS, &shaderCompiled );
if (shaderCompiled != GL_TRUE)
{
glGetShaderiv(result, GL_COMPILE_STATUS, &shaderCompiled);
if (shaderCompiled != GL_TRUE) {
std::cout << "Error en la compilación: " << result << "!" << std::endl;
GLint logLength;
glGetShaderiv(result, GL_INFO_LOG_LENGTH, &logLength);
if (logLength > 0)
{
GLchar *log = (GLchar*)malloc(logLength);
if (logLength > 0) {
GLchar* log = (GLchar*)malloc(logLength);
glGetShaderInfoLog(result, logLength, &logLength, log);
std::cout << "Shader compile log:" << log << std::endl;
free(log);
@@ -100,18 +98,16 @@ namespace shader
return result;
}
GLuint compileProgram(const char* vertexShaderSource, const char* fragmentShaderSource)
{
GLuint compileProgram(const char* vertexShaderSource, const char* fragmentShaderSource) {
GLuint programId = 0;
GLuint vtxShaderId, fragShaderId;
programId = glCreateProgram();
vtxShaderId = compileShader(vertexShaderSource, GL_VERTEX_SHADER);
fragShaderId = compileShader(fragmentShaderSource?fragmentShaderSource:vertexShaderSource, GL_FRAGMENT_SHADER);
fragShaderId = compileShader(fragmentShaderSource ? fragmentShaderSource : vertexShaderSource, GL_FRAGMENT_SHADER);
if(vtxShaderId && fragShaderId)
{
if (vtxShaderId && fragShaderId) {
// Associate shader with program
glAttachShader(programId, vtxShaderId);
glAttachShader(programId, fragShaderId);
@@ -121,12 +117,12 @@ namespace shader
// Check the status of the compile/link
GLint logLen;
glGetProgramiv(programId, GL_INFO_LOG_LENGTH, &logLen);
if (logLen > 0)
{
char* log = (char*) malloc(logLen * sizeof(char));
if (logLen > 0) {
char* log = (char*)malloc(logLen * sizeof(char));
// Show any errors as appropriate
glGetProgramInfoLog(programId, logLen, &logLen, log);
std::cout << "Prog Info Log: " << std::endl << log << std::endl;
std::cout << "Prog Info Log: " << std::endl
<< log << std::endl;
free(log);
}
}
@@ -135,8 +131,7 @@ namespace shader
return programId;
}
const bool init(SDL_Window* win, SDL_Texture* backBuffer, const char* vertexShader, const char* fragmentShader)
{
const bool init(SDL_Window* win, SDL_Texture* backBuffer, const char* vertexShader, const char* fragmentShader) {
shader::win = win;
shader::renderer = SDL_GetRenderer(win);
shader::backBuffer = backBuffer;
@@ -150,16 +145,15 @@ namespace shader
nose = SDL_GetNumberProperty(props, SDL_PROP_TEXTURE_OPENGL_TEXTURE_TARGET_NUMBER, -1);
printf("texture target number: %i\n", nose);
if (access != SDL_TEXTUREACCESS_TARGET)
{
if (access != SDL_TEXTUREACCESS_TARGET) {
std::cout << "ERROR FATAL: La textura per al render ha de tindre SDL_TEXTUREACCESS_TARGET definit." << std::endl;
exit(1);
}
const char * renderer_name = SDL_GetRendererName(renderer);
const char* renderer_name = SDL_GetRendererName(renderer);
printf("rendererInfo.name: %s\n", renderer_name);
if(!strncmp(renderer_name, "opengl", 6)) {
if (!strncmp(renderer_name, "opengl", 6)) {
#ifndef __APPLE__
if (!initGLExtensions()) {
std::cout << "WARNING: No s'han pogut inicialitzar les extensions d'OpenGL!" << std::endl;
@@ -178,21 +172,18 @@ namespace shader
return true;
}
unsigned char pixels[512*240*4];
unsigned char pixels[512 * 240 * 4];
void render()
{
void render() {
SDL_FlushRenderer(renderer);
SDL_SetRenderTarget(renderer, NULL);
SDL_SetRenderDrawColor(renderer, 0, 0, 0, 255);
SDL_RenderClear(renderer);
SDL_FlushRenderer(renderer);
if (usingOpenGL)
{
if (usingOpenGL) {
GLint oldProgramId;
if (programId != 0)
{
if (programId != 0) {
glGetIntegerv(GL_CURRENT_PROGRAM, &oldProgramId);
glUseProgram(programId);
}
@@ -200,22 +191,22 @@ namespace shader
glEnable(GL_TEXTURE_2D);
glActiveTexture(GL_TEXTURE0);
glBindTexture(GL_TEXTURE_2D, 1);
//glGetTexImage(GL_TEXTURE_2D, 0, GL_BGRA, GL_UNSIGNED_INT_8_8_8_8, pixels);
//if (glGetError()) { printf("GLGETERROR!\n"); exit(1);}
//GLint param;
//glGetTexLevelParameteriv(GL_TEXTURE_2D, 0, GL_TEXTURE_HEIGHT, &param);
//printf("tex width: %i\n", param);
// glGetTexImage(GL_TEXTURE_2D, 0, GL_BGRA, GL_UNSIGNED_INT_8_8_8_8, pixels);
// if (glGetError()) { printf("GLGETERROR!\n"); exit(1);}
// GLint param;
// glGetTexLevelParameteriv(GL_TEXTURE_2D, 0, GL_TEXTURE_HEIGHT, &param);
// printf("tex width: %i\n", param);
glViewport(0, 0, win_size.x, win_size.y);
glBegin(GL_TRIANGLE_STRIP);
glTexCoord2f(0.0f, 0.0f);
glVertex2f(0.0f, 0.0f);
glTexCoord2f(1.0f, 0.0f);
glVertex2f(tex_size.x, 0.0f);
glTexCoord2f(0.0f, 1.0f);
glVertex2f(0.0f, tex_size.y);
glTexCoord2f(1.0f, 1.0f);
glVertex2f(tex_size.x, tex_size.y);
glTexCoord2f(0.0f, 0.0f);
glVertex2f(0.0f, 0.0f);
glTexCoord2f(1.0f, 0.0f);
glVertex2f(tex_size.x, 0.0f);
glTexCoord2f(0.0f, 1.0f);
glVertex2f(0.0f, tex_size.y);
glTexCoord2f(1.0f, 1.0f);
glVertex2f(tex_size.x, tex_size.y);
glEnd();
SDL_GL_SwapWindow(win);
@@ -226,6 +217,9 @@ namespace shader
SDL_RenderTexture(renderer, backBuffer, NULL, NULL);
SDL_RenderPresent(renderer);
}
if (glGetError()) { printf("GLERROR!\n"); exit(1); }
if (glGetError()) {
printf("GLERROR!\n");
exit(1);
}
}
}
} // namespace shader