From 47358fe5ce50a7dfae2db6cd3c3d86ad93eec152 Mon Sep 17 00:00:00 2001 From: raysan5 Date: Mon, 24 Dec 2018 17:09:46 +0100 Subject: [PATCH] Tweaks to support OpenGL ES 2.0 desktop --- src/core.c | 31 +++++++++++++++++++------------ src/rlgl.h | 14 +++----------- 2 files changed, 22 insertions(+), 23 deletions(-) diff --git a/src/core.c b/src/core.c index 79404abe..1b975214 100644 --- a/src/core.c +++ b/src/core.c @@ -2247,11 +2247,11 @@ static bool InitGraphicsDevice(int width, int height) //glfwWindowHint(GLFW_AUX_BUFFERS, 0); // Number of auxiliar buffers // Check some Window creation flags - if (configFlags & FLAG_WINDOW_RESIZABLE) glfwWindowHint(GLFW_RESIZABLE, GL_TRUE); // Resizable window - else glfwWindowHint(GLFW_RESIZABLE, GL_FALSE); // Avoid window being resizable + if (configFlags & FLAG_WINDOW_RESIZABLE) glfwWindowHint(GLFW_RESIZABLE, GLFW_TRUE); // Resizable window + else glfwWindowHint(GLFW_RESIZABLE, GLFW_FALSE); // Avoid window being resizable - if (configFlags & FLAG_WINDOW_UNDECORATED) glfwWindowHint(GLFW_DECORATED, GL_FALSE); // Border and buttons on Window - else glfwWindowHint(GLFW_DECORATED, GL_TRUE); // Decorated window + if (configFlags & FLAG_WINDOW_UNDECORATED) glfwWindowHint(GLFW_DECORATED, GLFW_FALSE); // Border and buttons on Window + else glfwWindowHint(GLFW_DECORATED, GLFW_TRUE); // Decorated window // FLAG_WINDOW_TRANSPARENT not supported on HTML5 and not included in any released GLFW version yet #if defined(GLFW_TRANSPARENT_FRAMEBUFFER) if (configFlags & FLAG_WINDOW_TRANSPARENT) glfwWindowHint(GLFW_TRANSPARENT_FRAMEBUFFER, GLFW_TRUE); // Transparent framebuffer @@ -2267,21 +2267,28 @@ static bool InitGraphicsDevice(int width, int height) // Check selection OpenGL version if (rlGetVersion() == OPENGL_21) { - glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 2); // Choose OpenGL major version (just hint) - glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 1); // Choose OpenGL minor version (just hint) + glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 2); // Choose OpenGL major version (just hint) + glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 1); // Choose OpenGL minor version (just hint) } else if (rlGetVersion() == OPENGL_33) { - glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3); // Choose OpenGL major version (just hint) - glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 3); // Choose OpenGL minor version (just hint) + glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3); // Choose OpenGL major version (just hint) + glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 3); // Choose OpenGL minor version (just hint) glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE); // Profiles Hint: Only 3.3 and above! // Values: GLFW_OPENGL_CORE_PROFILE, GLFW_OPENGL_ANY_PROFILE, GLFW_OPENGL_COMPAT_PROFILE #if defined(__APPLE__) - glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GL_TRUE); // OSX Requires fordward compatibility + glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GLFW_TRUE); // OSX Requires fordward compatibility #else - glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GL_FALSE); // Fordward Compatibility Hint: Only 3.3 and above! + glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GLFW_FALSE); // Fordward Compatibility Hint: Only 3.3 and above! #endif - //glfwWindowHint(GLFW_OPENGL_DEBUG_CONTEXT, GL_TRUE); // Request OpenGL DEBUG context + //glfwWindowHint(GLFW_OPENGL_DEBUG_CONTEXT, GLFW_TRUE); // Request OpenGL DEBUG context + } + else if (rlGetVersion() == OPENGL_ES_20) // Request OpenGL ES 2.0 context + { + glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 2); + glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 0); + glfwWindowHint(GLFW_CLIENT_API, GLFW_OPENGL_ES_API); + glfwWindowHint(GLFW_CONTEXT_CREATION_API, GLFW_NATIVE_CONTEXT_API); // Alternative: GLFW_EGL_CONTEXT_API (ANGLE) } if (fullscreen) @@ -3145,7 +3152,7 @@ static void KeyCallback(GLFWwindow *window, int key, int scancode, int action, i { if (key == exitKey && action == GLFW_PRESS) { - glfwSetWindowShouldClose(window, GL_TRUE); + glfwSetWindowShouldClose(window, GLFW_TRUE); // NOTE: Before closing window, while loop must be left! } diff --git a/src/rlgl.h b/src/rlgl.h index 8b229e9c..197ecb19 100644 --- a/src/rlgl.h +++ b/src/rlgl.h @@ -165,14 +165,6 @@ typedef unsigned char byte; unsigned char a; } Color; - // Rectangle type - typedef struct Rectangle { - int x; - int y; - int width; - int height; - } Rectangle; - // Texture2D type // NOTE: Data stored in GPU memory typedef struct Texture2D { @@ -703,9 +695,9 @@ typedef struct DrawCall { typedef struct VrStereoConfig { RenderTexture2D stereoFbo; // VR stereo rendering framebuffer Shader distortionShader; // VR stereo rendering distortion shader - Rectangle eyesViewport[2]; // VR stereo rendering eyes viewports Matrix eyesProjection[2]; // VR stereo rendering eyes projection matrices Matrix eyesViewOffset[2]; // VR stereo rendering eyes view offset matrices + int eyesViewport[2][4]; // VR stereo rendering eyes viewports [x, y, w, h] } VrStereoConfig; #endif @@ -4268,8 +4260,8 @@ static void SetStereoConfig(VrDeviceInfo hmd) vrConfig.eyesViewOffset[1] = MatrixTranslate(hmd.interpupillaryDistance*0.5f, 0.075f, 0.045f); // Compute eyes Viewports - vrConfig.eyesViewport[0] = (Rectangle){ 0.0f, 0.0f, (float)hmd.hResolution/2, (float)hmd.vResolution }; - vrConfig.eyesViewport[1] = (Rectangle){ hmd.hResolution/2.0f, 0.0f, (float)hmd.hResolution/2, (float) hmd.vResolution }; + //vrConfig.eyesViewport[0] = { 0.0f, 0.0f, (float)hmd.hResolution/2, (float)hmd.vResolution }; + //vrConfig.eyesViewport[1] = { hmd.hResolution/2.0f, 0.0f, (float)hmd.hResolution/2, (float) hmd.vResolution }; } // Set internal projection and modelview matrix depending on eyes tracking data