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-rw-r--r--drivers/gles2/rasterizer_storage_gles2.cpp219
-rw-r--r--drivers/gles2/rasterizer_storage_gles2.h1
-rw-r--r--drivers/gles2/shaders/canvas.glsl20
-rw-r--r--drivers/gles2/shaders/cubemap_filter.glsl8
-rw-r--r--drivers/gles2/shaders/scene.glsl20
5 files changed, 262 insertions, 6 deletions
diff --git a/drivers/gles2/rasterizer_storage_gles2.cpp b/drivers/gles2/rasterizer_storage_gles2.cpp
index 0d643370e0..c9c4cd3892 100644
--- a/drivers/gles2/rasterizer_storage_gles2.cpp
+++ b/drivers/gles2/rasterizer_storage_gles2.cpp
@@ -1715,8 +1715,205 @@ RID RasterizerStorageGLES2::mesh_create() {
return mesh_owner.make_rid(mesh);
}
+static float Float16ToFloat(short fltInt16) {
+ int fltInt32 = ((fltInt16 & 0x8000) << 16);
+ fltInt32 |= ((fltInt16 & 0x7fff) << 13) + 0x38000000;
+
+ float fRet;
+ memcpy(&fRet, &fltInt32, sizeof(float));
+ return fRet;
+}
+
+static PoolVector<uint8_t> _unpack_half_floats(const PoolVector<uint8_t> &array, uint32_t &format, int p_vertices) {
+
+ uint32_t p_format = format;
+
+ static int src_size[VS::ARRAY_MAX];
+ static int dst_size[VS::ARRAY_MAX];
+ static int to_convert[VS::ARRAY_MAX];
+
+ int src_stride = 0;
+ int dst_stride = 0;
+
+ for (int i = 0; i < VS::ARRAY_MAX; i++) {
+
+ to_convert[i] = 0;
+ if (!(p_format & (1 << i))) {
+ src_size[i] = 0;
+ dst_size[i] = 0;
+ continue;
+ }
+
+ switch (i) {
+
+ case VS::ARRAY_VERTEX: {
+
+ if (p_format & VS::ARRAY_COMPRESS_VERTEX) {
+
+ if (p_format & VS::ARRAY_FLAG_USE_2D_VERTICES) {
+ src_size[i] = 4;
+ dst_size[i] = 8;
+ to_convert[i] = 2;
+ } else {
+ src_size[i] = 8;
+ dst_size[i] = 12;
+ to_convert[i] = 3;
+ }
+
+ format &= ~VS::ARRAY_COMPRESS_VERTEX;
+ } else {
+
+ if (p_format & VS::ARRAY_FLAG_USE_2D_VERTICES) {
+ src_size[i] = 8;
+ dst_size[i] = 8;
+ } else {
+ src_size[i] = 12;
+ dst_size[i] = 12;
+ }
+ }
+
+ } break;
+ case VS::ARRAY_NORMAL: {
+
+ if (p_format & VS::ARRAY_COMPRESS_NORMAL) {
+ src_size[i] = 4;
+ dst_size[i] = 4;
+ } else {
+ src_size[i] = 12;
+ dst_size[i] = 12;
+ }
+
+ } break;
+ case VS::ARRAY_TANGENT: {
+
+ if (p_format & VS::ARRAY_COMPRESS_TANGENT) {
+ src_size[i] = 4;
+ dst_size[i] = 4;
+ } else {
+ src_size[i] = 16;
+ dst_size[i] = 16;
+ }
+
+ } break;
+ case VS::ARRAY_COLOR: {
+
+ if (p_format & VS::ARRAY_COMPRESS_COLOR) {
+ src_size[i] = 4;
+ dst_size[i] = 4;
+ } else {
+ src_size[i] = 16;
+ dst_size[i] = 16;
+ }
+
+ } break;
+ case VS::ARRAY_TEX_UV: {
+
+ if (p_format & VS::ARRAY_COMPRESS_TEX_UV) {
+ src_size[i] = 4;
+ to_convert[i] = 2;
+ format &= ~VS::ARRAY_COMPRESS_TEX_UV;
+ } else {
+ src_size[i] = 8;
+ }
+
+ dst_size[i] = 8;
+
+ } break;
+ case VS::ARRAY_TEX_UV2: {
+
+ if (p_format & VS::ARRAY_COMPRESS_TEX_UV2) {
+ src_size[i] = 4;
+ to_convert[i] = 2;
+ format &= ~VS::ARRAY_COMPRESS_TEX_UV2;
+ } else {
+ src_size[i] = 8;
+ }
+
+ dst_size[i] = 8;
+
+ } break;
+ case VS::ARRAY_BONES: {
+
+ if (p_format & VS::ARRAY_FLAG_USE_16_BIT_BONES) {
+ src_size[i] = 8;
+ dst_size[i] = 8;
+ } else {
+ src_size[i] = 4;
+ dst_size[i] = 4;
+ }
+
+ } break;
+ case VS::ARRAY_WEIGHTS: {
+
+ if (p_format & VS::ARRAY_COMPRESS_WEIGHTS) {
+ src_size[i] = 8;
+ dst_size[i] = 8;
+ } else {
+ src_size[i] = 16;
+ dst_size[i] = 16;
+ }
+
+ } break;
+ case VS::ARRAY_INDEX: {
+
+ src_size[i] = 0;
+ dst_size[i] = 0;
+
+ } break;
+ }
+
+ src_stride += src_size[i];
+ dst_stride += dst_size[i];
+ }
+
+ PoolVector<uint8_t> ret;
+ ret.resize(p_vertices * dst_stride);
+
+ PoolVector<uint8_t>::Read r = array.read();
+ PoolVector<uint8_t>::Write w = ret.write();
+
+ int src_offset = 0;
+ int dst_offset = 0;
+
+ for (int i = 0; i < VS::ARRAY_MAX; i++) {
+
+ if (src_size[i] == 0) {
+ continue; //no go
+ }
+ const uint8_t *rptr = r.ptr();
+ uint8_t *wptr = w.ptr();
+ if (to_convert[i]) { //converting
+
+ for (int j = 0; j < p_vertices; j++) {
+ const uint16_t *src = (const uint16_t *)&rptr[src_stride * j + src_offset];
+ float *dst = (float *)&wptr[dst_stride * j + dst_offset];
+
+ for (int k = 0; k < to_convert[i]; k++) {
+
+ dst[k] = Math::half_to_float(src[k]);
+ }
+ }
+
+ } else {
+ //just copy
+ for (int j = 0; j < p_vertices; j++) {
+ for (int k = 0; k < src_size[i]; k++) {
+ wptr[dst_stride * j + dst_offset + k] = rptr[src_stride * j + src_offset + k];
+ }
+ }
+ }
+
+ src_offset += src_size[i];
+ dst_offset += dst_size[i];
+ }
+
+ r = PoolVector<uint8_t>::Read();
+ w = PoolVector<uint8_t>::Write();
+
+ return ret;
+}
+
void RasterizerStorageGLES2::mesh_add_surface(RID p_mesh, uint32_t p_format, VS::PrimitiveType p_primitive, const PoolVector<uint8_t> &p_array, int p_vertex_count, const PoolVector<uint8_t> &p_index_array, int p_index_count, const AABB &p_aabb, const Vector<PoolVector<uint8_t> > &p_blend_shapes, const Vector<AABB> &p_bone_aabbs) {
- PoolVector<uint8_t> array = p_array;
Mesh *mesh = mesh_owner.getornull(p_mesh);
ERR_FAIL_COND(!mesh);
@@ -1735,6 +1932,7 @@ void RasterizerStorageGLES2::mesh_add_surface(RID p_mesh, uint32_t p_format, VS:
Surface::Attrib attribs[VS::ARRAY_MAX];
int stride = 0;
+ bool uses_half_float = false;
for (int i = 0; i < VS::ARRAY_MAX; i++) {
@@ -1763,6 +1961,7 @@ void RasterizerStorageGLES2::mesh_add_surface(RID p_mesh, uint32_t p_format, VS:
if (p_format & VS::ARRAY_COMPRESS_VERTEX) {
attribs[i].type = _GL_HALF_FLOAT_OES;
stride += attribs[i].size * 2;
+ uses_half_float = true;
} else {
attribs[i].type = GL_FLOAT;
stride += attribs[i].size * 4;
@@ -1823,6 +2022,7 @@ void RasterizerStorageGLES2::mesh_add_surface(RID p_mesh, uint32_t p_format, VS:
if (p_format & VS::ARRAY_COMPRESS_TEX_UV) {
attribs[i].type = _GL_HALF_FLOAT_OES;
stride += 4;
+ uses_half_float = true;
} else {
attribs[i].type = GL_FLOAT;
stride += 8;
@@ -1838,6 +2038,7 @@ void RasterizerStorageGLES2::mesh_add_surface(RID p_mesh, uint32_t p_format, VS:
if (p_format & VS::ARRAY_COMPRESS_TEX_UV2) {
attribs[i].type = _GL_HALF_FLOAT_OES;
stride += 4;
+ uses_half_float = true;
} else {
attribs[i].type = GL_FLOAT;
stride += 8;
@@ -1900,6 +2101,7 @@ void RasterizerStorageGLES2::mesh_add_surface(RID p_mesh, uint32_t p_format, VS:
}
//validate sizes
+ PoolVector<uint8_t> array = p_array;
int array_size = stride * p_vertex_count;
int index_array_size = 0;
@@ -1931,6 +2133,15 @@ void RasterizerStorageGLES2::mesh_add_surface(RID p_mesh, uint32_t p_format, VS:
ERR_FAIL_COND(array.size() != array_size);
+ if (!config.support_half_float_vertices && uses_half_float) {
+
+ uint32_t new_format = p_format;
+ PoolVector<uint8_t> unpacked_array = _unpack_half_floats(array, new_format, p_vertex_count);
+
+ mesh_add_surface(p_mesh, new_format, p_primitive, unpacked_array, p_vertex_count, p_index_array, p_index_count, p_aabb, p_blend_shapes, p_bone_aabbs);
+ return; //do not go any further, above function used unpacked stuff will be used instead.
+ }
+
if (p_format & VS::ARRAY_FORMAT_INDEX) {
index_array_size = attribs[VS::ARRAY_INDEX].stride * p_index_count;
@@ -4679,6 +4890,12 @@ void RasterizerStorageGLES2::initialize() {
config.support_write_depth = config.extensions.has("GL_EXT_frag_depth");
#endif
+#ifdef JAVASCRIPT_ENABLED
+ config.support_half_float_vertices = false;
+#else
+ //every other platform, be it mobile or desktop, supports this (even if not in the GLES2 spec).
+ config.support_half_float_vertices = true;
+#endif
frame.count = 0;
frame.delta = 0;
diff --git a/drivers/gles2/rasterizer_storage_gles2.h b/drivers/gles2/rasterizer_storage_gles2.h
index 0e0804eef2..ed21238db6 100644
--- a/drivers/gles2/rasterizer_storage_gles2.h
+++ b/drivers/gles2/rasterizer_storage_gles2.h
@@ -81,6 +81,7 @@ public:
bool support_32_bits_indices;
bool support_write_depth;
+ bool support_half_float_vertices;
} config;
struct Resources {
diff --git a/drivers/gles2/shaders/canvas.glsl b/drivers/gles2/shaders/canvas.glsl
index d483659e4d..45d26e7254 100644
--- a/drivers/gles2/shaders/canvas.glsl
+++ b/drivers/gles2/shaders/canvas.glsl
@@ -215,6 +215,26 @@ VERTEX_SHADER_CODE
/* clang-format off */
[fragment]
+#ifndef USE_GLES_OVER_GL
+
+#ifdef GL_EXT_shader_texture_lod
+#extension GL_EXT_shader_texture_lod : enable
+#define texture2DLod(img, coord, lod) texture2DLodEXT(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCubeLodEXT(img, coord, lod)
+#endif
+
+#ifdef GL_ARB_shader_texture_lod
+#extension GL_ARB_shader_texture_lod : enable
+#endif
+
+#if !defined(GL_EXT_shader_texture_lod) && !defined(GL_ARB_shader_texture_lod)
+#define texture2DLod(img, coord, lod) texture2D(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCube(img, coord, lod)
+#endif
+
+#endif
+
+
#ifdef USE_GLES_OVER_GL
#define lowp
#define mediump
diff --git a/drivers/gles2/shaders/cubemap_filter.glsl b/drivers/gles2/shaders/cubemap_filter.glsl
index f551cdb52b..c9a0fd4ba2 100644
--- a/drivers/gles2/shaders/cubemap_filter.glsl
+++ b/drivers/gles2/shaders/cubemap_filter.glsl
@@ -25,6 +25,8 @@ void main() {
/* clang-format off */
[fragment]
+#ifndef USE_GLES_OVER_GL
+
#ifdef GL_EXT_shader_texture_lod
#extension GL_EXT_shader_texture_lod : enable
#define texture2DLod(img, coord, lod) texture2DLodEXT(img, coord, lod)
@@ -36,8 +38,10 @@ void main() {
#endif
#if !defined(GL_EXT_shader_texture_lod) && !defined(GL_ARB_shader_texture_lod)
-#define texture2DLod(img, coord, lod) texture2D(img, coord)
-#define textureCubeLod(img, coord, lod) textureCube(img, coord)
+#define texture2DLod(img, coord, lod) texture2D(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCube(img, coord, lod)
+#endif
+
#endif
#ifdef USE_GLES_OVER_GL
diff --git a/drivers/gles2/shaders/scene.glsl b/drivers/gles2/shaders/scene.glsl
index b2b9458ed2..148b5ae7ef 100644
--- a/drivers/gles2/shaders/scene.glsl
+++ b/drivers/gles2/shaders/scene.glsl
@@ -655,13 +655,27 @@ VERTEX_SHADER_CODE
/* clang-format off */
[fragment]
+
+#ifndef USE_GLES_OVER_GL
+
+#ifdef GL_EXT_shader_texture_lod
+#extension GL_EXT_shader_texture_lod : enable
+#define texture2DLod(img, coord, lod) texture2DLodEXT(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCubeLodEXT(img, coord, lod)
+#endif
+
+#ifdef GL_ARB_shader_texture_lod
#extension GL_ARB_shader_texture_lod : enable
+#endif
+
+#if !defined(GL_EXT_shader_texture_lod) && !defined(GL_ARB_shader_texture_lod)
+#define texture2DLod(img, coord, lod) texture2D(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCube(img, coord, lod)
+#endif
-#ifndef GL_ARB_shader_texture_lod
-#define texture2DLod(img, coord, lod) texture2D(img, coord)
-#define textureCubeLod(img, coord, lod) textureCube(img, coord)
#endif
+
#ifdef USE_GLES_OVER_GL
#define lowp
#define mediump