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Added partial texture update to VisualServer

This commit is contained in:
Marc Gilleron 2018-04-29 01:23:55 +02:00
parent 1226720c01
commit c755cced83
9 changed files with 64 additions and 0 deletions
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5
drivers/gles2/rasterizer_storage_gles2.cpp
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@ -452,6 +452,11 @@ void RasterizerStorageGLES2::texture_set_data(RID p_texture, const Ref<Image> &p
texture->mipmaps = mipmaps;
}
void RasterizerStorageGLES2::texture_set_data_partial(RID p_texture, const Ref<Image> &p_image, int src_x, int src_y, int src_w, int src_h, int dst_x, int dst_y, int p_dst_mip, VS::CubeMapSide p_cube_side) {
// TODO
ERR_PRINT("Not implemented (ask Karroffel to do it :p)");
}
Ref<Image> RasterizerStorageGLES2::texture_get_data(RID p_texture, VS::CubeMapSide p_cube_side) const {
Texture *texture = texture_owner.getornull(p_texture);

1
drivers/gles2/rasterizer_storage_gles2.h
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@ -237,6 +237,7 @@ public:
virtual RID texture_create();
virtual void texture_allocate(RID p_texture, int p_width, int p_height, Image::Format p_format, uint32_t p_flags = VS::TEXTURE_FLAGS_DEFAULT);
virtual void texture_set_data(RID p_texture, const Ref<Image> &p_image, VS::CubeMapSide p_cube_side = VS::CUBEMAP_LEFT);
virtual void texture_set_data_partial(RID p_texture, const Ref<Image> &p_image, int src_x, int src_y, int src_w, int src_h, int dst_x, int dst_y, int p_dst_mip, VS::CubeMapSide p_cube_side = VS::CUBEMAP_LEFT);
virtual Ref<Image> texture_get_data(RID p_texture, VS::CubeMapSide p_cube_side = VS::CUBEMAP_LEFT) const;
virtual void texture_set_flags(RID p_texture, uint32_t p_flags);
virtual uint32_t texture_get_flags(RID p_texture) const;

52
drivers/gles3/rasterizer_storage_gles3.cpp
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@ -828,6 +828,58 @@ void RasterizerStorageGLES3::texture_set_data(RID p_texture, const Ref<Image> &p
//texture_set_flags(p_texture,texture->flags);
}
// Uploads pixel data to a sub-region of a texture, for the specified mipmap.
// The texture pixels must have been allocated before, because most features seen in texture_set_data() make no sense in a partial update.
// TODO If we want this to be usable without pre-filling pixels with a full image, we have to call glTexImage2D() with null data.
void RasterizerStorageGLES3::texture_set_data_partial(RID p_texture, const Ref<Image> &p_image, int src_x, int src_y, int src_w, int src_h, int dst_x, int dst_y, int p_dst_mip, VS::CubeMapSide p_cube_side) {
Texture *texture = texture_owner.get(p_texture);
ERR_FAIL_COND(!texture);
ERR_FAIL_COND(!texture->active);
ERR_FAIL_COND(texture->render_target);
ERR_FAIL_COND(texture->format != p_image->get_format());
ERR_FAIL_COND(p_image.is_null());
ERR_FAIL_COND(src_w <= 0 || src_h <= 0);
ERR_FAIL_COND(src_x < 0 || src_y < 0 || src_x + src_w > p_image->get_width() || src_y + src_h > p_image->get_height());
ERR_FAIL_COND(dst_x < 0 || dst_y < 0 || dst_x + src_w > texture->alloc_width || dst_y + src_h > texture->alloc_height);
ERR_FAIL_COND(p_dst_mip < 0 || p_dst_mip >= texture->mipmaps);
GLenum type;
GLenum format;
GLenum internal_format;
bool compressed;
bool srgb;
// Because OpenGL wants data as a dense array, we have to extract the sub-image if the source rect isn't the full image
Ref<Image> p_sub_img = p_image;
if (src_x > 0 || src_y > 0 || src_w != p_image->get_width() || src_h != p_image->get_height()) {
p_sub_img = p_image->get_rect(Rect2(src_x, src_y, src_w, src_h));
}
Ref<Image> img = _get_gl_image_and_format(p_sub_img, p_sub_img->get_format(), texture->flags, format, internal_format, type, compressed, srgb);
GLenum blit_target = (texture->target == GL_TEXTURE_CUBE_MAP) ? _cube_side_enum[p_cube_side] : GL_TEXTURE_2D;
PoolVector<uint8_t>::Read read = img->get_data().read();
glActiveTexture(GL_TEXTURE0);
glBindTexture(texture->target, texture->tex_id);
int src_data_size = img->get_data().size();
int src_ofs = 0;
if (texture->compressed) {
glPixelStorei(GL_UNPACK_ALIGNMENT, 4);
glCompressedTexSubImage2D(blit_target, p_dst_mip, dst_x, dst_y, src_w, src_h, internal_format, src_data_size, &read[src_ofs]);
} else {
glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
// `format` has to match the internal_format used when the texture was created
glTexSubImage2D(blit_target, p_dst_mip, dst_x, dst_y, src_w, src_h, format, type, &read[src_ofs]);
}
}
Ref<Image> RasterizerStorageGLES3::texture_get_data(RID p_texture, VS::CubeMapSide p_cube_side) const {
Texture *texture = texture_owner.get(p_texture);

1
drivers/gles3/rasterizer_storage_gles3.h
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@ -340,6 +340,7 @@ public:
virtual RID texture_create();
virtual void texture_allocate(RID p_texture, int p_width, int p_height, Image::Format p_format, uint32_t p_flags = VS::TEXTURE_FLAGS_DEFAULT);
virtual void texture_set_data(RID p_texture, const Ref<Image> &p_image, VS::CubeMapSide p_cube_side = VS::CUBEMAP_LEFT);
virtual void texture_set_data_partial(RID p_texture, const Ref<Image> &p_image, int src_x, int src_y, int src_w, int src_h, int dst_x, int dst_y, int p_dst_mip, VS::CubeMapSide p_cube_side = VS::CUBEMAP_LEFT);
virtual Ref<Image> texture_get_data(RID p_texture, VS::CubeMapSide p_cube_side = VS::CUBEMAP_LEFT) const;
virtual void texture_set_flags(RID p_texture, uint32_t p_flags);
virtual uint32_t texture_get_flags(RID p_texture) const;

1
servers/visual/rasterizer.h
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@ -175,6 +175,7 @@ public:
virtual RID texture_create() = 0;
virtual void texture_allocate(RID p_texture, int p_width, int p_height, Image::Format p_format, uint32_t p_flags = VS::TEXTURE_FLAGS_DEFAULT) = 0;
virtual void texture_set_data(RID p_texture, const Ref<Image> &p_image, VS::CubeMapSide p_cube_side = VS::CUBEMAP_LEFT) = 0;
virtual void texture_set_data_partial(RID p_texture, const Ref<Image> &p_image, int src_x, int src_y, int src_w, int src_h, int dst_x, int dst_y, int p_dst_mip, VS::CubeMapSide p_cube_side = VS::CUBEMAP_LEFT) = 0;
virtual Ref<Image> texture_get_data(RID p_texture, VS::CubeMapSide p_cube_side = VS::CUBEMAP_LEFT) const = 0;
virtual void texture_set_flags(RID p_texture, uint32_t p_flags) = 0;
virtual uint32_t texture_get_flags(RID p_texture) const = 0;

1
servers/visual/visual_server_raster.h
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@ -148,6 +148,7 @@ public:
BIND0R(RID, texture_create)
BIND5(texture_allocate, RID, int, int, Image::Format, uint32_t)
BIND3(texture_set_data, RID, const Ref<Image> &, CubeMapSide)
BIND10(texture_set_data_partial, RID, const Ref<Image> &, int, int, int, int, int, int, int, CubeMapSide)
BIND2RC(Ref<Image>, texture_get_data, RID, CubeMapSide)
BIND2(texture_set_flags, RID, uint32_t)
BIND1RC(uint32_t, texture_get_flags, RID)

1
servers/visual/visual_server_wrap_mt.h
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@ -84,6 +84,7 @@ public:
FUNCRID(texture)
FUNC5(texture_allocate, RID, int, int, Image::Format, uint32_t)
FUNC3(texture_set_data, RID, const Ref<Image> &, CubeMapSide)
FUNC10(texture_set_data_partial, RID, const Ref<Image> &, int, int, int, int, int, int, int, CubeMapSide)
FUNC2RC(Ref<Image>, texture_get_data, RID, CubeMapSide)
FUNC2(texture_set_flags, RID, uint32_t)
FUNC1RC(uint32_t, texture_get_flags, RID)

1
servers/visual_server.cpp
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@ -1528,6 +1528,7 @@ void VisualServer::_bind_methods() {
ClassDB::bind_method(D_METHOD("texture_create_from_image", "image", "flags"), &VisualServer::texture_create_from_image, DEFVAL(TEXTURE_FLAGS_DEFAULT));
ClassDB::bind_method(D_METHOD("texture_allocate", "texture", "width", "height", "format", "flags"), &VisualServer::texture_allocate, DEFVAL(TEXTURE_FLAGS_DEFAULT));
ClassDB::bind_method(D_METHOD("texture_set_data", "texture", "image", "cube_side"), &VisualServer::texture_set_data, DEFVAL(CUBEMAP_LEFT));
ClassDB::bind_method(D_METHOD("texture_set_data_partial", "texture", "image", "src_x", "src_y", "src_w", "src_h", "dst_x", "dst_y", "dst_mip", "cube_side"), &VisualServer::texture_set_data_partial, DEFVAL(CUBEMAP_LEFT));
ClassDB::bind_method(D_METHOD("texture_get_data", "texture", "cube_side"), &VisualServer::texture_get_data, DEFVAL(CUBEMAP_LEFT));
ClassDB::bind_method(D_METHOD("texture_set_flags", "texture", "flags"), &VisualServer::texture_set_flags);
ClassDB::bind_method(D_METHOD("texture_get_flags", "texture"), &VisualServer::texture_get_flags);

1
servers/visual_server.h
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@ -109,6 +109,7 @@ public:
RID texture_create_from_image(const Ref<Image> &p_image, uint32_t p_flags = TEXTURE_FLAGS_DEFAULT); // helper
virtual void texture_allocate(RID p_texture, int p_width, int p_height, Image::Format p_format, uint32_t p_flags = TEXTURE_FLAGS_DEFAULT) = 0;
virtual void texture_set_data(RID p_texture, const Ref<Image> &p_image, CubeMapSide p_cube_side = CUBEMAP_LEFT) = 0;
virtual void texture_set_data_partial(RID p_texture, const Ref<Image> &p_image, int src_x, int src_y, int src_w, int src_h, int dst_x, int dst_y, int p_dst_mip, CubeMapSide p_cube_side = CUBEMAP_LEFT) = 0;
virtual Ref<Image> texture_get_data(RID p_texture, CubeMapSide p_cube_side = CUBEMAP_LEFT) const = 0;
virtual void texture_set_flags(RID p_texture, uint32_t p_flags) = 0;
virtual uint32_t texture_get_flags(RID p_texture) const = 0;