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-rw-r--r--themes/LeafParticleRender.cpp4
-rw-r--r--themes/Renderer2d.cpp27
-rw-r--r--themes/Renderer2d.h3
-rw-r--r--themes/TreeShape.cpp16
-rw-r--r--themes/WebglContext.cpp32
-rw-r--r--themes/WebglContext.h38
-rw-r--r--themes/dist/output.js162
-rwxr-xr-xthemes/dist/output.wasmbin48362 -> 49375 bytes
8 files changed, 155 insertions, 127 deletions
diff --git a/themes/LeafParticleRender.cpp b/themes/LeafParticleRender.cpp
index e119e22..1abdd49 100644
--- a/themes/LeafParticleRender.cpp
+++ b/themes/LeafParticleRender.cpp
@@ -22,8 +22,8 @@ void LeafParticleRender::load(Renderer2d *renderer, TreeShape *tree) {
glEnableVertexAttribArray(renderer->attributes.color);
glVertexAttribPointer(renderer->attributes.color, 4, GL_FLOAT, GL_FALSE, sizeof(Renderer2dVertex), (GLvoid *)offsetof(Renderer2dVertex, color));
- glEnableVertexAttribArray(renderer->attributes.scale);
- glVertexAttribPointer(renderer->attributes.scale, 2, GL_FLOAT, GL_FALSE, sizeof(Renderer2dVertex), (GLvoid *)offsetof(Renderer2dVertex, scale));
+ glEnableVertexAttribArray(renderer->attributes.transform);
+ glVertexAttribPointer(renderer->attributes.transform, 4, GL_FLOAT, GL_FALSE, sizeof(Renderer2dVertex), (GLvoid *)offsetof(Renderer2dVertex, transform));
glBindBuffer(GL_ARRAY_BUFFER, 0);
glBindVertexArray(0);
diff --git a/themes/Renderer2d.cpp b/themes/Renderer2d.cpp
index 44dc7df..3e29656 100644
--- a/themes/Renderer2d.cpp
+++ b/themes/Renderer2d.cpp
@@ -2,6 +2,7 @@
#include "Shader.h"
#include "WebglContext.h"
#include "mathlib.h"
+#include <cstdio>
// Note: In the 'transform' attribute, the transform.x is the scale,
// transform.y is the rotation, and transform.zw is the translatiob.
@@ -13,7 +14,7 @@ const char* renderer2dVertexShader =
"uniform mat4 model; \n"
"varying lowp vec4 VertexColor; \n"
"void main() { \n"
-" vec4 fragmentPosition = projection * model * vec4(position.x * transform.x, position.y * transform.x, 1, 1); \n"
+" vec4 fragmentPosition = projection * model * vec4(position.x + transform.x, position.y + transform.x, 1, 1); \n"
" gl_Position = fragmentPosition; \n"
" VertexColor = color; \n"
"}";
@@ -24,19 +25,35 @@ const char* renderer2dFragmentShader =
" gl_FragColor = VertexColor; \n"
"}";
-void Renderer2d::load(WebglContext* context) {
+EM_BOOL onScreenSizeChanged(int eventType, const EmscriptenUiEvent *uiEvent, void *userData) {
+ Renderer2d* renderer = (Renderer2d*)userData;
+
+ renderer->context->width = uiEvent->documentBodyClientWidth;
+ renderer->context->height = uiEvent->documentBodyClientHeight;
+ EMSCRIPTEN_RESULT result = emscripten_set_canvas_element_size( renderer->context->query, renderer->context->width, renderer->context->height);
+ if (result != EMSCRIPTEN_RESULT_SUCCESS) {
+ printf("Failed to resize element at query: %s\n", renderer->context->query);
+ }
+
+ return true;
+}
+
+void Renderer2d::load(WebglContext* inContext) {
+ context = inContext;
printf("Compiling Renderer2d shader...\n");
shader = loadShader(renderer2dVertexShader, renderer2dFragmentShader);
useShader(shader);
attributes.position = getShaderAttribute(shader, "position");
attributes.color = getShaderAttribute(shader, "color");
- attributes.scale = getShaderAttribute(shader, "scale");
+ attributes.transform = getShaderAttribute(shader, "transform");
uniforms.projection = getShaderUniform(shader, "projection");
uniforms.model = getShaderUniform(shader, "model");
projection = Mat4x4().getOrthographicMatrix(0, context->width, 0, context->height);
printf("Renderer2d shader compiled.\n");
+
+ emscripten_set_resize_callback(EMSCRIPTEN_EVENT_TARGET_WINDOW, this, false, onScreenSizeChanged);
}
void Renderer2d::render() {
@@ -76,8 +93,8 @@ void Renderer2dShape::load(Renderer2dVertex* inVertices, uint32 inNumVertices, R
glEnableVertexAttribArray(renderer->attributes.color);
glVertexAttribPointer(renderer->attributes.color, 4, GL_FLOAT, GL_FALSE, sizeof(Renderer2dVertex), (GLvoid *)offsetof(Renderer2dVertex, color));
- glEnableVertexAttribArray(renderer->attributes.scale);
- glVertexAttribPointer(renderer->attributes.scale, 2, GL_FLOAT, GL_FALSE, sizeof(Renderer2dVertex), (GLvoid *)offsetof(Renderer2dVertex, scale));
+ glEnableVertexAttribArray(renderer->attributes.transform);
+ glVertexAttribPointer(renderer->attributes.transform, 2, GL_FLOAT, GL_FALSE, sizeof(Renderer2dVertex), (GLvoid *)offsetof(Renderer2dVertex, transform));
glBindBuffer(GL_ARRAY_BUFFER, 0);
glBindVertexArray(0);
diff --git a/themes/Renderer2d.h b/themes/Renderer2d.h
index 0297102..33e0dac 100644
--- a/themes/Renderer2d.h
+++ b/themes/Renderer2d.h
@@ -8,6 +8,7 @@
struct WebglContext;
struct Renderer2d {
+ WebglContext* context = NULL;
Mat4x4 projection;
uint32 shader;
Vector4 clearColor;
@@ -31,7 +32,7 @@ struct Renderer2d {
struct Renderer2dVertex {
Vector2 position;
Vector4 color;
- Vector2 scale;
+ Vector4 transform;
};
struct Renderer2dShape {
diff --git a/themes/TreeShape.cpp b/themes/TreeShape.cpp
index b3d5c84..ec9e052 100644
--- a/themes/TreeShape.cpp
+++ b/themes/TreeShape.cpp
@@ -12,12 +12,12 @@ void TreeBranchLoadData::fillVertices(Renderer2dVertex* vertices, int branchTier
topMidpoint = topLeft + (topRight - topLeft) / 2.f;
- vertices[0] = { bottomLeft, color, Vector2(1, 1) };
- vertices[1] = { bottomRight, color, Vector2(1, 1) };
- vertices[2] = { topLeft, color, Vector2(1, 1) };
- vertices[3] = { topLeft, color, Vector2(1, 1) };
- vertices[4] = { topRight, color, Vector2(1, 1) };
- vertices[5] = { bottomRight, color, Vector2(1, 1) };
+ vertices[0] = { bottomLeft, color, Vector4(0, 0, 0, 0) };
+ vertices[1] = { bottomRight, color, Vector4(0, 0, 0, 0) };
+ vertices[2] = { topLeft, color, Vector4(0, 0, 0, 0) };
+ vertices[3] = { topLeft, color, Vector4(0, 0, 0, 0) };
+ vertices[4] = { topRight, color, Vector4(0, 0, 0, 0) };
+ vertices[5] = { bottomRight, color, Vector4(0, 0, 0, 0) };
};
inline float32 randomFloatBetween(float32 min, float32 max) {
@@ -53,8 +53,8 @@ void TreeShape::load(Renderer2d* renderer) {
glEnableVertexAttribArray(renderer->attributes.color);
glVertexAttribPointer(renderer->attributes.color, 4, GL_FLOAT, GL_FALSE, sizeof(Renderer2dVertex), (GLvoid *)offsetof(Renderer2dVertex, color));
- glEnableVertexAttribArray(renderer->attributes.scale);
- glVertexAttribPointer(renderer->attributes.scale, 2, GL_FLOAT, GL_FALSE, sizeof(Renderer2dVertex), (GLvoid *)offsetof(Renderer2dVertex, scale));
+ glEnableVertexAttribArray(renderer->attributes.transform);
+ glVertexAttribPointer(renderer->attributes.transform, 4, GL_FLOAT, GL_FALSE, sizeof(Renderer2dVertex), (GLvoid *)offsetof(Renderer2dVertex, transform));
glBindBuffer(GL_ARRAY_BUFFER, 0);
glBindVertexArray(0);
diff --git a/themes/WebglContext.cpp b/themes/WebglContext.cpp
index 3346280..11a201b 100644
--- a/themes/WebglContext.cpp
+++ b/themes/WebglContext.cpp
@@ -1,12 +1,32 @@
#include "WebglContext.h"
#include <cstdio>
-EM_BOOL onScreenSizeChanged(int eventType, const EmscriptenUiEvent *uiEvent, void *userData) {
- printf("Here\n");
- WebglContext* context = (WebglContext*)userData;
+void WebglContext::init(const char* inQuery) {
+ strcpy(query, inQuery);
+ float64 inWidth, inHeight;
+ emscripten_get_element_css_size(query, &inWidth, &inHeight);
+ width = static_cast<int32>(inWidth);
+ height = static_cast<int32>(inHeight);
+ emscripten_set_canvas_element_size( query, width, height);
- context->width = uiEvent->documentBodyClientWidth;
- context->height = uiEvent->documentBodyClientHeight;
- return true;
+ EmscriptenWebGLContextAttributes attrs;
+ emscripten_webgl_init_context_attributes(&attrs);
+
+ attrs.enableExtensionsByDefault = 1;
+ attrs.majorVersion = 3;
+ attrs.minorVersion = 0;
+
+ context = emscripten_webgl_create_context(query, &attrs);
+ makeCurrentContext();
+
+ glClearColor(0, 0, 0, 0.0f);
+};
+
+void WebglContext::makeCurrentContext() {
+ emscripten_webgl_make_context_current(context);
+};
+
+void WebglContext::destroy() {
+ emscripten_webgl_destroy_context(context);
}
diff --git a/themes/WebglContext.h b/themes/WebglContext.h
index 366c675..71540f0 100644
--- a/themes/WebglContext.h
+++ b/themes/WebglContext.h
@@ -1,42 +1,18 @@
#pragma once
#include "types.h"
+#include <cstring>
#include <emscripten.h>
#include <emscripten/html5.h>
#include <GLES2/gl2.h>
#include <EGL/egl.h>
-EM_BOOL onScreenSizeChanged(int eventType, const EmscriptenUiEvent *uiEvent, void *userData);
-
struct WebglContext {
EMSCRIPTEN_WEBGL_CONTEXT_HANDLE context;
- int width = 800;
- int height = 600;
-
- void init(const char* query, int inWidth = 800, int inHeight = 600) {
- width = inWidth;
- height = inHeight;
- emscripten_set_canvas_element_size( query, width, height);
-
- EmscriptenWebGLContextAttributes attrs;
- emscripten_webgl_init_context_attributes(&attrs);
-
- attrs.enableExtensionsByDefault = 1;
- attrs.majorVersion = 3;
- attrs.minorVersion = 0;
-
- context = emscripten_webgl_create_context(query, &attrs);
- makeCurrentContext();
-
- glClearColor(0, 0, 0, 0.0f);
+ int32 width = 800;
+ int32 height = 600;
+ char query[128];;
- emscripten_set_resize_callback(query, this, false, onScreenSizeChanged);
- };
-
- void makeCurrentContext() {
- emscripten_webgl_make_context_current(context);
- };
-
- void destroy() {
- emscripten_webgl_destroy_context(context);
- }
+ void init(const char* inQuery);
+ void makeCurrentContext();
+ void destroy() ;
};
diff --git a/themes/dist/output.js b/themes/dist/output.js
index 4e2bcc0..2dd2a7d 100644
--- a/themes/dist/output.js
+++ b/themes/dist/output.js
@@ -1780,77 +1780,6 @@ var ASM_CONSTS = {
abort();
}
- function _emscripten_memcpy_big(dest, src, num) {
- HEAPU8.copyWithin(dest, src, src + num);
- }
-
- function _emscripten_request_animation_frame_loop(cb, userData) {
- function tick(timeStamp) {
- if (wasmTable.get(cb)(timeStamp, userData)) {
- requestAnimationFrame(tick);
- }
- }
- return requestAnimationFrame(tick);
- }
-
- function emscripten_realloc_buffer(size) {
- try {
- // round size grow request up to wasm page size (fixed 64KB per spec)
- wasmMemory.grow((size - buffer.byteLength + 65535) >>> 16); // .grow() takes a delta compared to the previous size
- updateGlobalBufferAndViews(wasmMemory.buffer);
- return 1 /*success*/;
- } catch(e) {
- err('emscripten_realloc_buffer: Attempted to grow heap from ' + buffer.byteLength + ' bytes to ' + size + ' bytes, but got error: ' + e);
- }
- // implicit 0 return to save code size (caller will cast "undefined" into 0
- // anyhow)
- }
- function _emscripten_resize_heap(requestedSize) {
- var oldSize = HEAPU8.length;
- requestedSize = requestedSize >>> 0;
- // With pthreads, races can happen (another thread might increase the size in between), so return a failure, and let the caller retry.
- assert(requestedSize > oldSize);
-
- // Memory resize rules:
- // 1. Always increase heap size to at least the requested size, rounded up to next page multiple.
- // 2a. If MEMORY_GROWTH_LINEAR_STEP == -1, excessively resize the heap geometrically: increase the heap size according to
- // MEMORY_GROWTH_GEOMETRIC_STEP factor (default +20%),
- // At most overreserve by MEMORY_GROWTH_GEOMETRIC_CAP bytes (default 96MB).
- // 2b. If MEMORY_GROWTH_LINEAR_STEP != -1, excessively resize the heap linearly: increase the heap size by at least MEMORY_GROWTH_LINEAR_STEP bytes.
- // 3. Max size for the heap is capped at 2048MB-WASM_PAGE_SIZE, or by MAXIMUM_MEMORY, or by ASAN limit, depending on which is smallest
- // 4. If we were unable to allocate as much memory, it may be due to over-eager decision to excessively reserve due to (3) above.
- // Hence if an allocation fails, cut down on the amount of excess growth, in an attempt to succeed to perform a smaller allocation.
-
- // A limit is set for how much we can grow. We should not exceed that
- // (the wasm binary specifies it, so if we tried, we'd fail anyhow).
- // In CAN_ADDRESS_2GB mode, stay one Wasm page short of 4GB: while e.g. Chrome is able to allocate full 4GB Wasm memories, the size will wrap
- // back to 0 bytes in Wasm side for any code that deals with heap sizes, which would require special casing all heap size related code to treat
- // 0 specially.
- var maxHeapSize = 2147483648;
- if (requestedSize > maxHeapSize) {
- err('Cannot enlarge memory, asked to go up to ' + requestedSize + ' bytes, but the limit is ' + maxHeapSize + ' bytes!');
- return false;
- }
-
- // Loop through potential heap size increases. If we attempt a too eager reservation that fails, cut down on the
- // attempted size and reserve a smaller bump instead. (max 3 times, chosen somewhat arbitrarily)
- for (var cutDown = 1; cutDown <= 4; cutDown *= 2) {
- var overGrownHeapSize = oldSize * (1 + 0.2 / cutDown); // ensure geometric growth
- // but limit overreserving (default to capping at +96MB overgrowth at most)
- overGrownHeapSize = Math.min(overGrownHeapSize, requestedSize + 100663296 );
-
- var newSize = Math.min(maxHeapSize, alignUp(Math.max(requestedSize, overGrownHeapSize), 65536));
-
- var replacement = emscripten_realloc_buffer(newSize);
- if (replacement) {
-
- return true;
- }
- }
- err('Failed to grow the heap from ' + oldSize + ' bytes to ' + newSize + ' bytes, not enough memory!');
- return false;
- }
-
var JSEvents = {inEventHandler:0,removeAllEventListeners:function() {
for (var i = JSEvents.eventHandlers.length-1; i >= 0; --i) {
JSEvents._removeHandler(i);
@@ -1970,6 +1899,92 @@ var ASM_CONSTS = {
var domElement = specialHTMLTargets[target] || (typeof document !== 'undefined' ? document.querySelector(target) : undefined);
return domElement;
}
+
+ function getBoundingClientRect(e) {
+ return specialHTMLTargets.indexOf(e) < 0 ? e.getBoundingClientRect() : {'left':0,'top':0};
+ }
+ function _emscripten_get_element_css_size(target, width, height) {
+ target = findEventTarget(target);
+ if (!target) return -4;
+
+ var rect = getBoundingClientRect(target);
+ HEAPF64[((width)>>3)] = rect.width;
+ HEAPF64[((height)>>3)] = rect.height;
+
+ return 0;
+ }
+
+ function _emscripten_memcpy_big(dest, src, num) {
+ HEAPU8.copyWithin(dest, src, src + num);
+ }
+
+ function _emscripten_request_animation_frame_loop(cb, userData) {
+ function tick(timeStamp) {
+ if (wasmTable.get(cb)(timeStamp, userData)) {
+ requestAnimationFrame(tick);
+ }
+ }
+ return requestAnimationFrame(tick);
+ }
+
+ function emscripten_realloc_buffer(size) {
+ try {
+ // round size grow request up to wasm page size (fixed 64KB per spec)
+ wasmMemory.grow((size - buffer.byteLength + 65535) >>> 16); // .grow() takes a delta compared to the previous size
+ updateGlobalBufferAndViews(wasmMemory.buffer);
+ return 1 /*success*/;
+ } catch(e) {
+ err('emscripten_realloc_buffer: Attempted to grow heap from ' + buffer.byteLength + ' bytes to ' + size + ' bytes, but got error: ' + e);
+ }
+ // implicit 0 return to save code size (caller will cast "undefined" into 0
+ // anyhow)
+ }
+ function _emscripten_resize_heap(requestedSize) {
+ var oldSize = HEAPU8.length;
+ requestedSize = requestedSize >>> 0;
+ // With pthreads, races can happen (another thread might increase the size in between), so return a failure, and let the caller retry.
+ assert(requestedSize > oldSize);
+
+ // Memory resize rules:
+ // 1. Always increase heap size to at least the requested size, rounded up to next page multiple.
+ // 2a. If MEMORY_GROWTH_LINEAR_STEP == -1, excessively resize the heap geometrically: increase the heap size according to
+ // MEMORY_GROWTH_GEOMETRIC_STEP factor (default +20%),
+ // At most overreserve by MEMORY_GROWTH_GEOMETRIC_CAP bytes (default 96MB).
+ // 2b. If MEMORY_GROWTH_LINEAR_STEP != -1, excessively resize the heap linearly: increase the heap size by at least MEMORY_GROWTH_LINEAR_STEP bytes.
+ // 3. Max size for the heap is capped at 2048MB-WASM_PAGE_SIZE, or by MAXIMUM_MEMORY, or by ASAN limit, depending on which is smallest
+ // 4. If we were unable to allocate as much memory, it may be due to over-eager decision to excessively reserve due to (3) above.
+ // Hence if an allocation fails, cut down on the amount of excess growth, in an attempt to succeed to perform a smaller allocation.
+
+ // A limit is set for how much we can grow. We should not exceed that
+ // (the wasm binary specifies it, so if we tried, we'd fail anyhow).
+ // In CAN_ADDRESS_2GB mode, stay one Wasm page short of 4GB: while e.g. Chrome is able to allocate full 4GB Wasm memories, the size will wrap
+ // back to 0 bytes in Wasm side for any code that deals with heap sizes, which would require special casing all heap size related code to treat
+ // 0 specially.
+ var maxHeapSize = 2147483648;
+ if (requestedSize > maxHeapSize) {
+ err('Cannot enlarge memory, asked to go up to ' + requestedSize + ' bytes, but the limit is ' + maxHeapSize + ' bytes!');
+ return false;
+ }
+
+ // Loop through potential heap size increases. If we attempt a too eager reservation that fails, cut down on the
+ // attempted size and reserve a smaller bump instead. (max 3 times, chosen somewhat arbitrarily)
+ for (var cutDown = 1; cutDown <= 4; cutDown *= 2) {
+ var overGrownHeapSize = oldSize * (1 + 0.2 / cutDown); // ensure geometric growth
+ // but limit overreserving (default to capping at +96MB overgrowth at most)
+ overGrownHeapSize = Math.min(overGrownHeapSize, requestedSize + 100663296 );
+
+ var newSize = Math.min(maxHeapSize, alignUp(Math.max(requestedSize, overGrownHeapSize), 65536));
+
+ var replacement = emscripten_realloc_buffer(newSize);
+ if (replacement) {
+
+ return true;
+ }
+ }
+ err('Failed to grow the heap from ' + oldSize + ' bytes to ' + newSize + ' bytes, not enough memory!');
+ return false;
+ }
+
function findCanvasEventTarget(target) { return findEventTarget(target); }
function _emscripten_set_canvas_element_size(target, width, height) {
var canvas = findCanvasEventTarget(target);
@@ -1979,9 +1994,6 @@ var ASM_CONSTS = {
return 0;
}
- function getBoundingClientRect(e) {
- return specialHTMLTargets.indexOf(e) < 0 ? e.getBoundingClientRect() : {'left':0,'top':0};
- }
function fillMouseEventData(eventStruct, e, target) {
assert(eventStruct % 4 == 0);
HEAPF64[((eventStruct)>>3)] = e.timeStamp;
@@ -2441,6 +2453,7 @@ var ASM_CONSTS = {
var success = GL.makeContextCurrent(contextHandle);
return success ? 0 : -5;
}
+ Module["_emscripten_webgl_make_context_current"] = _emscripten_webgl_make_context_current;
function flush_NO_FILESYSTEM() {
// flush anything remaining in the buffers during shutdown
@@ -2993,6 +3006,7 @@ function intArrayToString(array) {
var asmLibraryArg = {
"abort": _abort,
+ "emscripten_get_element_css_size": _emscripten_get_element_css_size,
"emscripten_memcpy_big": _emscripten_memcpy_big,
"emscripten_request_animation_frame_loop": _emscripten_request_animation_frame_loop,
"emscripten_resize_heap": _emscripten_resize_heap,
diff --git a/themes/dist/output.wasm b/themes/dist/output.wasm
index 0b00b5d..17a1d97 100755
--- a/themes/dist/output.wasm
+++ b/themes/dist/output.wasm
Binary files differ
generated by cgit v1.2.1 (git 2.18.0) at 2025-10-26 14:14:51 +0000